Chemetall GmbH

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C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides 38
C09D 5/08 - Anti-corrosive paints 26
C23C 22/83 - Chemical after-treatment 21
C23C 22/36 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides containing also phosphates 19
C23C 22/18 - Orthophosphates containing manganese cations 16
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1.

PROCESS FOR PRODUCING A COMPOSITE COMPONENT COMPRISING AT LEAST ONE METAL LAYER AND ONE POLYMER LAYER

      
Application Number EP2023076257
Publication Number 2024/062103
Status In Force
Filing Date 2023-09-22
Publication Date 2024-03-28
Owner
  • BASF SE (Germany)
  • CHEMETALL GMBH (Germany)
Inventor
  • Radtke, Andreas
  • Spies, Patrick
  • Khelfallah, Nawel Souad
  • Schuellermann, Gerrit

Abstract

The invention relates to a process for producing a composite component comprising at least one metal layer and one polymer layer, the process comprising: (a) heating a metal sheet which optionally comprises a surface treatment; (b) placing a polymer film on the metal sheet and optionally heating the polymer film; (c) applying a vacuum to contact the polymer film with the entire surface of the metal sheet and to remove air enclosed between the metal sheet and the polymer film; (d) optionally holding the temperature of the metal sheet and the polymer film above a temperature at which the connection of the polymer film and the metal sheet is promoted to achieve the composite component.

IPC Classes  ?

  • B29C 63/00 - Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
  • B29C 63/02 - Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
  • B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
  • B32B 15/18 - Layered products essentially comprising metal comprising iron or steel
  • B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
  • B29D 7/00 - Producing flat articles, e.g. films or sheets
  • B29C 65/44 - Joining a heated non-plastics element to a plastics element
  • B29C 63/48 - Preparation of the surfaces
  • B29K 101/12 - Thermoplastic materials
  • B29K 705/02 - Aluminium
  • B29K 705/08 - Transition metals
  • B29K 705/10 - Copper
  • B29K 705/12 - Iron
  • B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
  • B32B 37/04 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer

2.

METAL-PLASTIC HYBRID MATERIALS WITH STEEL AND/OR ZINC AND/OR ALLOYS THEREOF AS METAL COMPONENT

      
Application Number EP2023076067
Publication Number 2024/062033
Status In Force
Filing Date 2023-09-21
Publication Date 2024-03-28
Owner CHEMETALL GMBH (Germany)
Inventor
  • Khelfallah, Nawel Souad
  • Schuellermann, Gerrit
  • Desbois, Philippe
  • De Oliveira, Rui

Abstract

The present invention relates to a method for preparing a metal-plastic hybrid material, said material comprising at least one substrate having at least one metallic surface made at least partially of steel and/or zinc and/or of an alloy thereof and at least one thermoplastic material applied onto said metallic surface of the substrate, inter alia by making use of an acidic aqueous composition, a metal-plastic hybrid material obtainable by this method, a use of the acidic aqueous composition for adhering the substrate to the plastic, a metal-plastic hybrid material as such, and a use of the metal-plastic hybrid material as component in the automotive or construction industry.

IPC Classes  ?

  • B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
  • B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
  • B32B 15/18 - Layered products essentially comprising metal comprising iron or steel
  • B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
  • B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
  • B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters
  • B32B 27/40 - Layered products essentially comprising synthetic resin comprising polyurethanes
  • B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
  • C23C 22/18 - Orthophosphates containing manganese cations

3.

METAL-PLASTIC HYBRID MATERIALS WITH ALUMINUM AND/OR ALLOYS THEREOF AS METAL COMPONENT

      
Application Number EP2023076066
Publication Number 2024/062032
Status In Force
Filing Date 2023-09-21
Publication Date 2024-03-28
Owner CHEMETALL GMBH (Germany)
Inventor
  • Khelfallah, Nawel Souad
  • Burkhardt, Thomas
  • Hellmers, Heiko
  • Wendel, Thomas

Abstract

The present invention relates to a method for preparing a metal-plastic hybrid material, said material comprising at least one substrate having at least one metallic surface made at least partially of aluminum and/or of an alloy thereof and at least one thermoplastic material applied onto said metallic surface of the substrate, inter alia by making use of an acidic aqueous composition, a metal-plastic hybrid material obtainable by this method, a use of the acidic aqueous composition for adhering the substrate to the plastic, a metal-plastic hybrid material as such, and a use of the metal- plastic hybrid material as component in the automotive, construction or electronic industry.

IPC Classes  ?

  • B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
  • B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
  • B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
  • B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
  • B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
  • B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters
  • B32B 27/40 - Layered products essentially comprising synthetic resin comprising polyurethanes
  • B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
  • C23C 22/44 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing molybdates, tungstates or vanadates containing also fluorides or complex fluorides

4.

METHOD OF PRE-TREATING METALLIC SUBSTRATES

      
Application Number EP2023073735
Publication Number 2024/047074
Status In Force
Filing Date 2023-08-29
Publication Date 2024-03-07
Owner CHEMETALL GMBH (Germany)
Inventor
  • Schatz, Daniel
  • Ermisch, Denis

Abstract

The present invention relates to a method of pre-treating a metallic substrate, the method comprising one or more cleaning steps, wherein at least part of the surface of the metallic substrate is contacted with one or more aqueous cleaning compositions, to obtain a cleaned metallic substrate; and/or one or more chemical pre-treatment steps selected from conversion treating steps, passivation treating steps and thin-layer forming steps, wherein at least part of the surface of a metallic substrate is contacted with one or more chemical pre-treatment compositions selected from conversion treatment compositions, passivation treatment compositions and thin-layer forming compositions to obtain a chemically pre-treated substrate; wherein i. and/or ii. are followed by one or more rinsing steps, wherein at least one composition selected from cleaning compositions, rinsing compositions and chemical pre-treatment compositions comprises an amount of 0.8 to 200 mmol/L of the composition of one or more compounds of formula (I), the COOH group of which can be fully or partially neutralized and wherein one or more of residues R1, R2, R3, R4and R5 are selected from the group consisting of H, hydroxy groups and alkyl groups. The present invention further relates to a method of coating a metallic substrate, wherein the first step consists of the method of pre-treating a substrate according to the invention, wherein after the last rinsing step one or more coating compositions are applied and cured. Moreover, the invention relates to the use of an aqueous composition comprising the compounds of formula (I) and/or their salts in pre-treating a metallic substrate, the pre-treating comprising at least one of a cleaning step and a chemical pre-treatment step; and in addition, at least one rinsing step.

IPC Classes  ?

  • C23C 22/12 - Orthophosphates containing zinc cations
  • C23C 22/18 - Orthophosphates containing manganese cations
  • C23F 11/00 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
  • C23G 1/00 - Cleaning or pickling metallic material with solutions or molten salts
  • C23G 1/19 - Iron or steel
  • C23G 1/26 - Cleaning or pickling metallic material with solutions or molten salts with neutral solutions using inhibitors
  • C25D 13/20 - Pretreatment
  • C11D 11/00 - Special methods for preparing compositions containing mixtures of detergents
  • C11D 7/26 - Organic compounds containing oxygen
  • C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material

5.

AQUEOUS COMPOSITIONS CONTAINING ENCAPSULATED CORROSION INHIBITORS AND METHOD MAKING USE THEREOF

      
Application Number EP2023060771
Publication Number 2023/208908
Status In Force
Filing Date 2023-04-25
Publication Date 2023-11-02
Owner CHEMETALL GMBH (Germany)
Inventor
  • Chowdhry, Mubarik
  • Khelfallah, Nawel Souad
  • Pohling, Michael
  • Millard, Pierre-Eric

Abstract

The present invention relates to an aqueous coating composition comprising capsules, which contain corrosion inhibiting compounds, a use of said composition for corrosion protection of metallic substrates, a method for treatment of metallic substrates by making use of said coating composition, and to coated substrates obtainable therefrom.

IPC Classes  ?

  • C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
  • C09D 5/02 - Emulsion paints

6.

ENCAPSULATED CORROSION INHIBITORS

      
Application Number EP2023060774
Publication Number 2023/208911
Status In Force
Filing Date 2023-04-25
Publication Date 2023-11-02
Owner CHEMETALL GMBH (Germany)
Inventor
  • Chowdhry, Mubarik
  • Khelfallah, Nawel Souad
  • Millard, Pierre-Eric

Abstract

The present invention relates to capsules comprising corrosion inhibiting compounds, a method for preparing them, and a use of the capsules for releasing the corrosion inhibiting constituents.

IPC Classes  ?

  • C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
  • C09D 5/08 - Anti-corrosive paints
  • C09D 5/02 - Emulsion paints

7.

SH-TERMINATED POLYDITHIOACETALES FOR USE IN SEALANTS

      
Application Number EP2023053729
Publication Number 2023/156440
Status In Force
Filing Date 2023-02-15
Publication Date 2023-08-24
Owner
  • CHEMETALL GMBH (Germany)
  • ALBERT-LUDWIGS-UNIVERSITÄT FREIBURG (Germany)
Inventor
  • Kovalenko, Alexander
  • John, Alexandra
  • Sievers, Bjoern
  • Esen, Eren
  • Ruehe, Juergen

Abstract

The present invention relates to a polycondensation method for preparing SH- terminated polymers having at least two terminal SH-groups and comprising sulfur-carbon-sulfur linkages in its polymer backbone, wherein the method comprises a step of reacting at least at least one organic constituent a1 comprising at least one carbonyl group with at least one organic constituent a2 comprising at least two thiol groups, wherein constituent(s) a1 is/are selected from aldehydes having at least one aldehyde group, O-acetals of these aldehydes, ketones having at least one keto group, and mixtures thereof, wherein the two sulfur atoms of the at least two thiol groups of constituent(s) a2 are separated from each other by a linker moiety L having a chain of at least four atoms, and wherein the molar ratio r of constituent(s) a1 and a2 to each other is <1, polymers obtainable by this method, a 2K sealing system comprising such polymers in one of its components, a sealant composition obtainable therefrom, a method of sealing a substrate by making use of said sealant composition, and to a sealed substrate obtainable by this method.

IPC Classes  ?

  • C08G 75/10 - Polythioethers from sulfur or sulfur-containing compounds and aldehydes or ketones
  • C08G 16/02 - Condensation polymers of aldehydes or ketones with monomers not provided for in the groups of aldehydes
  • C08L 61/00 - Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers

8.

BORATE-FREE, AQUEOUS COMPOSITION FOR CLEANING AND TREATING METALLIC SUBSTRATES

      
Application Number EP2022076659
Publication Number 2023/046952
Status In Force
Filing Date 2022-09-26
Publication Date 2023-03-30
Owner CHEMETALL GMBH (Germany)
Inventor
  • Roesner, Berit
  • Komp, Carola

Abstract

The present invention relates to a borate-free, aqueous cleaning and treating composition comprising at least one metasilicate (A); at least one orthophosphate (B); at least one phosphate (C) selected from the group consisting of diphosphates and triphosphates; at least one surfactant (D) selected from the group consisting of anionic surfactants and non-ionic surfactants; and wherein the aqueous cleaning and treating composition has a pH value at 20 °C in the range from 11.0 to 12.8; and possesses a molar ratio of Si atoms to P atoms being from 0.75:1 to 1:0.75, based on the sum of the Si-containing metasilicates (A) and the sum of the P-containing orthophosphates (B), diphosphates (C) and triphosphates (C). The invention further relates to solid mixtures. The invention also relates to a method for cleaning and treating metallic substrates making use of the compositions and the use of the compositions to clean metallic substrates and treat metallic substrates by forming a Si-containing layer on the surface of the metallic substrates.

IPC Classes  ?

  • C11D 1/83 - Mixtures of non-ionic with anionic compounds
  • C11D 3/065 - Phosphates, including polyphosphates in admixture with sulfonated products
  • C11D 3/08 - Silicates
  • C11D 3/10 - Carbonates
  • C11D 11/00 - Special methods for preparing compositions containing mixtures of detergents
  • C23C 22/66 - Treatment of aluminium or alloys based thereon
  • C23G 1/14 - Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions

9.

NON-CR PASSIVATING COMPOSITION AND ARTICLE TREATED BY THE SAME

      
Application Number EP2022064079
Publication Number 2022/248488
Status In Force
Filing Date 2022-05-24
Publication Date 2022-12-01
Owner
  • CHEMETALL GMBH (Germany)
  • BASF (CHINA) COMPANY LIMITED (China)
Inventor
  • Yang, Jia Yun
  • Zhu, Ling Ling
  • Zou, Hai Xia
  • Wan, Sheng Xing

Abstract

The present invention relates to an aqueous non-Cr passivating composition comprising, on the basis of the weight of the non-Cr passivating composition: (a) 5 to 20% by weight of a silicon-containing compound; and (b) 5 to 15% by weight of a water-borne polymer, which is selected from the group consisting of a polyurethane resin, an epoxy resin, a polyacrylate resin and the combination thereof. The present invention also relates to a metal with a surface passivated by the aqueous non-Cr passivating composition and an article having a metallic surface passivated by the aqueous non-Cr passivating composition, and to a process for passivating a metallic surface with the aqueous non-Cr passivating composition.

IPC Classes  ?

  • C09D 5/08 - Anti-corrosive paints
  • C23C 22/05 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
  • C09D 7/61 - Additives non-macromolecular inorganic
  • C09D 133/00 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, a; Coating compositions based on derivatives of such polymers
  • C09D 175/04 - Polyurethanes

10.

AQUEOUS COMPOSITION FOR METALLIC SURFACE TREATMENT AND THE APPLICATION THEREOF

      
Application Number EP2022061910
Publication Number 2022/238190
Status In Force
Filing Date 2022-05-04
Publication Date 2022-11-17
Owner
  • CHEMETALL GMBH (Germany)
  • BASF (CHINA) COMPANY LIMITED (China)
Inventor
  • Song, Ming Juan
  • Zou, Hai Xia
  • Huang, Jin Kai
  • Xia, Peng

Abstract

The present invention relates to an aqueous composition comprising components (A) from 10% to 35% by weight of acrylic resin without hydroxyl group, wherein said acrylic resin has an average particle diameter in a range of from 50μm to 200μm measured by dynamic light scattering according to ISO13321:2004, (B) from 0.1% to 4% by weight of a film-forming aid having a boiling point of no more than 300°C under 1 atm, (C) from 1% to 8% by weight of a lubricant having an average particle diameter in a range of from 100nm to 600nm measured by dynamic light scattering according to ISO13321:2004, and (D) from 0.1% to 1% by weight of a water-soluble chromium compound, wherein its weight is calculated from the chromium element, and the weight percentages of all components are based on the total weight of the aqueous composition.

IPC Classes  ?

11.

ISOCYANATE-FUNCTIONALIZED ORGANOSILANES AS ADHESION PROMOTERS IN SEALANT AND PRIMER COMPOSITIONS

      
Application Number EP2022061238
Publication Number 2022/229275
Status In Force
Filing Date 2022-04-27
Publication Date 2022-11-03
Owner CHEMETALL GMBH (Germany)
Inventor
  • Dempfle, Jonas
  • Kovalenko, Alexander

Abstract

The present invention relates to a method of sealing a substrate optionally comprising a step (1) of applying a primer composition, and necessarily comprising a step (2) of applying a sealant composition, which is obtainable by mixing components (A) and (B) of a 2K-sealing system with each other, comprising in (A) a thiol groups containing polymeric constituent (a1) and in (B) a constituent (b), which is suitable for hardening the sealant composition by at least partially inducing a chemical transformation of the thiol groups of constituent (a1), wherein an organosilane constituent comprising at least one hydrolyzable group X, at least one NCO-group and a spacer unit comprising a moiety MS comprising in turn at least one sulfur atom and being positioned between X and the NCO-group, is at least present - when step (1) is not performed - as constituent (a2) in the sealant composition applied in step (2) or is - when step (1) is performed - at least present as a constituent in the primer composition applied in step (1 ), a sealed substrate obtainable by this method, a use of said organosilane constituent for adhesion enhancement, the sealant composition used in step (2), the 2K sealing system as such, and to the organosilane constituent per se.

IPC Classes  ?

  • C08G 18/50 - Polyethers having hetero atoms other than oxygen
  • C08G 18/52 - Polythioethers
  • C08G 18/64 - Macromolecular compounds not provided for by groups
  • C08G 18/75 - Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
  • C08G 18/80 - Masked polyisocyanates

12.

ONE-STEP PRETREATMENT METHOD OF METALLIC SUBSTRATES AT NON-NEUTRAL PH VALUES FOR METAL COLD FORMING

      
Application Number EP2022058744
Publication Number 2022/207901
Status In Force
Filing Date 2022-04-01
Publication Date 2022-10-06
Owner CHEMETALL GMBH (Germany)
Inventor
  • Shi, Yinfeng
  • Orben, Martin

Abstract

The present invention relates to a method of pretreatment of a metallic substrate for a subsequent metal cold forming process, said method comprising at least steps (1) and (2), namely providing at least one substrate having at least one surface at least partially made of at least one metal (step (1)), contacting the at least one surface of the substrate provided in step (1) with an aqueous lubricant composition (B) (step (2)), wherein the aqueous lubricant composition (B) comprises besides water at least constituents (b1) to (b4) and optionally (b5), namely as (b1) at least one homopolymer and/or copolymer being prepared by polymerization of at least vinyl pyrrolidone as at least one monomer, wherein (b1) has a polydispersity index (PDI) in a range of from 1.5 to 8.0, as (b2) at least one wax, as (b3) at least one defoamer,and as (b4) (i) oxalate anions and/or phosphate anions or (ii) calcium cations, chloride anions and hydroxide anions, as well as optionally Fe(III) ions as (b5), wherein (b5) is present in case at least oxalate anions are present as (b4), a pretreated metallic substrate obtainable by the inventive method, a method of cold forming of a metallic substrate and an aqueous lubricant composition (B) as defined above.

IPC Classes  ?

  • C23C 22/12 - Orthophosphates containing zinc cations
  • C23C 22/66 - Treatment of aluminium or alloys based thereon
  • C23C 22/46 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing oxalates
  • C10M 173/02 - Lubricating compositions containing more than 10% water not containing mineral or fatty oils
  • C23C 22/10 - Orthophosphates containing oxidants

13.

INTERLEAVING POWDER

      
Application Number EP2022054814
Publication Number 2022/180222
Status In Force
Filing Date 2022-02-25
Publication Date 2022-09-01
Owner CHEMETALL GMBH (Germany)
Inventor
  • Esser, Joachim
  • Skrischowski, Kevin
  • Friedrich, Hendrik

Abstract

Described is a method for spacing glass sheets from one another during stacking of the glass sheets, wherein the method comprises: - applying an interleaving powder material between adjacent glass sheets whereby, - a composition comprising a powdered support material is employed, which is selected from a natural composite material based on cellulose, hemicellulose and/or lignin as the interleaving powder material between the adjacent glass sheets.

IPC Classes  ?

  • C03B 40/033 - Means for preventing adhesion between glass and glass
  • B65G 49/06 - Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass

14.

TREATMENT OF METALLIC SURFACES BY COPOLYMER CONTAINING ACIDIC AQUEOUS COMPOSITIONS

      
Application Number EP2021081096
Publication Number 2022/101191
Status In Force
Filing Date 2021-11-09
Publication Date 2022-05-19
Owner CHEMETALL GMBH (Germany)
Inventor
  • Khelfallah, Nawel Souad
  • Burkhardt, Thomas
  • Ostrovsky, Ilya
  • Walter, Manfred
  • Gasparic, Sven Daniel
  • Rother-Noeding, Helen

Abstract

The present invention relates to a method for treatment of at least one metallic surface of a substrate comprising at least a step of contacting said surface with an acidic aqueous composition (A), said acidic aqueous composition (A) comprising (a) one or more metal ions selected from the group of titanium, zirconium and hafnium ions (b) and one or more polymers (P) containing OH- and/or COOH-groups as well as at least one sulfur-containing moiety, to a corresponding acidic aqueous composition (A) as such, to a master batch to produce such acidic aqueous composition (A), to the use of the acidic aqueous composition (A) for treating metallic surfaces and to substrates comprising the thus treated surfaces.

IPC Classes  ?

  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C23C 22/44 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing molybdates, tungstates or vanadates containing also fluorides or complex fluorides

15.

TREATMENT OF METALLIC SURFACES BY OH-FUNCTIONAL COPOLYMER CONTAINING ACIDIC AQUEOUS COMPOSITIONS

      
Application Number EP2021081097
Publication Number 2022/101192
Status In Force
Filing Date 2021-11-09
Publication Date 2022-05-19
Owner CHEMETALL GMBH (Germany)
Inventor
  • Khelfallah, Nawel Souad
  • Burkhardt, Thomas
  • Ostrovsky, Ilya
  • Walter, Manfred
  • Gasparic, Sven Daniel
  • Rother-Noeding, Helen

Abstract

The present invention relates to a method for treatment of at least one metallic surface of a substrate comprising at least a step of contacting said surface with an acidic aqueous composition (A), said acidic aqueous composition (A) comprising (a) one or more metal ions selected from the group of titanium, zirconium and hafnium ions (b) and one or more polymers (P) having side chains (S1) and (S2) being different from one another, wherein side chain (S1) comprises at least one functional group selected from the group consisting of hydroxyl groups and carboxylic acid groups and mixtures thereof, and side chain (S2) comprises at least two hydroxyl groups, to a corresponding acidic aqueous composition (A) as such, to a master batch to produce such acidic aqueous composition (A), to the use of the acidic aqueous composition (A) for treating metallic surfaces and to substrates comprising the thus treated surfaces.

IPC Classes  ?

  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides

16.

ZR, MO AND ACID-FUNCTIONAL POLYMER CONTAINING AQUEOUS COMPOSITIONS FOR TREATMENT OF METALLIC SURFACES

      
Application Number EP2021079972
Publication Number 2022/090388
Status In Force
Filing Date 2021-10-28
Publication Date 2022-05-05
Owner CHEMETALL GMBH (Germany)
Inventor
  • Khelfallah, Nawel Souad
  • Burkhardt, Thomas
  • Ostrovsky, Ilya
  • Walter, Manfred
  • Gasparic, Sven Daniel
  • Rother-Noeding, Helen

Abstract

The present invention relates to a method for treatment of at least one metallic surface of a substrate comprising at least a step of contacting said surface with an acidic aqueous composition (A), said acidic aqueous composition (A) having a pH value in a range of from 2.5 to <5.0 and comprising Zr ions (a) in an amount in a range of from 10 to 200 ppm, calculated as metal, at least one polymer (P) selected from poly(meth)acrylic acids and (meth)acrylic copolymers, which bear carboxylic acid groups, and mixtures thereof, as constituent (b), and Mo ions (c) in an amount in a range of from 0.5 to 10 ppm, calculated as metal, wherein the relative weight ratio of Zr ions (a) to Mo ions (c), in each case calculated as metal, is in a range of from 40:1 to 7.5:1, to a corresponding acidic aqueous composition (A) as such, to the use of the acidic aqueous composition (A) for treating metallic surfaces and to substrates comprising the thus treated surfaces.

IPC Classes  ?

  • C23C 22/44 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing molybdates, tungstates or vanadates containing also fluorides or complex fluorides

17.

IMPROVED ACTIVATION AGENT FOR MANGANESE PHOSPHATING PROCESSES

      
Application Number EP2021067526
Publication Number 2022/002792
Status In Force
Filing Date 2021-06-25
Publication Date 2022-01-06
Owner CHEMETALL GMBH (Germany)
Inventor Schneider, Ralf

Abstract

The present invention refers to an alkaline aqueous activation agent for manganese phosphating processes, which comprises a) nanoscale manganese phosphate particles in dispersed form, and b) at least one dispersion agent selected from the group consisting of homo- and copolymers containing at least one monomeric unit having at least one carboxylic acid salt group. Moreover, the present invention refers to a method for producing said activation agent, an improved manganese phosphating process making use of the activation agent and an accordingly phosphatized metallic substrate, especially a steel substrate.

IPC Classes  ?

  • C23C 22/18 - Orthophosphates containing manganese cations
  • C23C 22/78 - Pretreatment of the material to be coated

18.

PHOSPHONATE-FREE, AQUEOUS PICKLING COMPOSITIONS AND THEIR USE

      
Application Number EP2021064967
Publication Number 2021/249879
Status In Force
Filing Date 2021-06-04
Publication Date 2021-12-16
Owner CHEMETALL GMBH (Germany)
Inventor
  • Mohr, Anna, Verena
  • Six, Marcell
  • Khelfallah, Nawel, Souad

Abstract

The invention relates to a phosphonate-free, aqueous pickling composition having a pH value at 55 °C in the range from 5 to 9, and containing at least one copolymer, which is water-soluble or water-dispersible and selected from the group consisting of polyvinylpyrrolidones; the content of water being in the range from 95.0 wt.-% to 99.9 wt.-% based on the total weight of the composition. The invention further relates to a concentrate to produce such compositions, a pickling method for pickling metallic substrates making use of the compositions, a coating method for coating metallic substrates comprising the pickling method and a use of the compositions for pickling metallic substrates.

IPC Classes  ?

  • C23C 22/73 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
  • C23G 1/24 - Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
  • C23G 1/26 - Cleaning or pickling metallic material with solutions or molten salts with neutral solutions using inhibitors
  • C23C 22/18 - Orthophosphates containing manganese cations
  • C23C 22/83 - Chemical after-treatment

19.

AQUEOUS PICKLING COMPOSITIONS AND THEIR USE

      
Application Number EP2021064968
Publication Number 2021/249880
Status In Force
Filing Date 2021-06-04
Publication Date 2021-12-16
Owner CHEMETALL GMBH (Germany)
Inventor
  • Mohr, Anna, Verena
  • Six, Marcell
  • Khelfallah, Nawel, Souad

Abstract

2244; and n is an integer from 0 to 4; and wherein the at least two different amino organophosphonic acid derivatives differ in the value of n. The invention further relates to a concentrate to produce such compositions, a pickling method for pickling metallic substrates making use of the compositions, a coating method for coating metallic substrates comprising the pickling method and a use of the compositions for pickling metallic substrates.

IPC Classes  ?

  • C23C 22/73 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
  • C23G 1/24 - Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
  • C23G 1/26 - Cleaning or pickling metallic material with solutions or molten salts with neutral solutions using inhibitors
  • C23F 11/167 - Phosphorus-containing compounds
  • C23C 22/18 - Orthophosphates containing manganese cations
  • C23C 22/83 - Chemical after-treatment

20.

AQUEOUS PICKLING COMPOSITIONS AND THEIR USE

      
Application Number EP2021064965
Publication Number 2021/249878
Status In Force
Filing Date 2021-06-04
Publication Date 2021-12-16
Owner CHEMETALL GMBH (Germany)
Inventor
  • Mohr, Anna, Verena
  • Six, Marcell
  • Khelfallah, Nawel, Souad

Abstract

2244; and n is an integer from 0 to 4; and at least one copolymer, which is water-soluble or water-dispersible and selected from the group consisting of at least partially neutralized poly(meth)acrylic acids and polyvinylpyrrolidones; the content of water being in the range from 80 wt.-% to 99.5 wt.-%, based on the total weight of the composition. The invention further relates to a concentrate to produce such compositions, a pickling method for pickling metallic substrates making use of the compositions, a coating method for coating metallic substrates comprising the pickling method and a use of the compositions for pickling metallic substrates.

IPC Classes  ?

  • C23C 22/73 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
  • C23G 1/24 - Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
  • C23G 1/26 - Cleaning or pickling metallic material with solutions or molten salts with neutral solutions using inhibitors
  • C23F 11/167 - Phosphorus-containing compounds
  • C23F 11/173 - Macromolecular compounds
  • C23C 22/18 - Orthophosphates containing manganese cations
  • C23C 22/83 - Chemical after-treatment

21.

ONE-STEP PRETREATMENT METHOD OF METALLIC SUBSTRATES FOR METAL COLD FORMING

      
Application Number EP2021054655
Publication Number 2021/170706
Status In Force
Filing Date 2021-02-25
Publication Date 2021-09-02
Owner CHEMETALL GMBH (Germany)
Inventor Shi, Yinfeng

Abstract

The present invention relates to a method for pretreatment of a metallic substrate for a subsequent metal cold forming process, said method comprising at least steps (1) and (2), namely providing at least one substrate having at least one surface at least partially made of at least one metal (step (1)), contacting the at least one surface of the substrate provided in step (1) with an aqueous lubricant composition (B) (step (2)), wherein the aqueous lubricant composition (B) has a pH value in the range of from 0.1 to 6.0, comprises water in an amount of at least 40 wt.-%, based on the total weight of composition (B), at least one film-forming polymer (b1), which is a homopolymer and/or copolymer being prepared by polymerization of at least vinyl pyrrolidone, wherein said homopolymer and/or copolymer has a weight average molecular weight in the range of from 1 000 to 100 000 g/mol, at least one wax (b2), at least one corrosion inhibitor (b3) and oxalate and/or phosphate anions (b4), a pretreated metallic substrate obtainable by the aforementioned inventive method, a method of cold forming of a metallic substrate including a step of subjecting the inventive pretreated metallic substrate to a cold forming process, an aqueous lubricant composition (B) as defined above and a master batch for preparing the aqueous composition (B).

IPC Classes  ?

  • C10M 113/00 - Lubricating compositions characterised by the thickener being an inorganic material

22.

ONE-STEP PRETREATMENT METHOD OF METALLIC SUBSTRATES FOR METAL COLD FORMING

      
Application Number EP2021054657
Publication Number 2021/170707
Status In Force
Filing Date 2021-02-25
Publication Date 2021-09-02
Owner CHEMETALL GMBH (Germany)
Inventor
  • Shi, Yinfeng
  • Orben, Martin

Abstract

The present invention relates to method for pretreatment of a metallic substrate for a subsequent metal cold forming process, said method comprising at least steps (1) and (2) and optionally step (3), namely providing at least one substrate having at least one surface at least partially made of at least one metal (1), contacting the at least one surface of the substrate provided in step (1) with an aqueous lubricant composition (A) having a pH value below 2.0 and comprising besides water oxalate anions (a1), thiosulfate anions (a2), chloride anions (a3), at least one film-forming polymer (a4), which is a homopolymer and/or copolymer being prepared by polymerization of at least one ethylenically unsaturated monomer, at least one wax (a5), and fluoride anions and/or bifluoride anions (a6), and optionally drying the coating film obtained after having performed step (2), a pretreated metallic substrate obtainable by the aforementioned inventive method, a method of cold forming of a metallic substrate including a step of subjecting the inventive pretreated metallic substrate to a cold forming process, an aqueous lubricant composition (A) as defined above and a master batch for preparing the aqueous composition (A).

IPC Classes  ?

  • C10M 173/02 - Lubricating compositions containing more than 10% water not containing mineral or fatty oils
  • C10M 177/00 - Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
  • C23C 22/46 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing oxalates
  • C23C 22/83 - Chemical after-treatment
  • C23G 1/00 - Cleaning or pickling metallic material with solutions or molten salts
  • C23G 1/08 - Iron or steel
  • C10N 40/20 - Metal working
  • C10N 70/00 - Special methods of preparation
  • C10N 80/00 - Special pretreatment of the material to be lubricated, e.g. phosphatising or chromatising of a metal
  • C10N 30/12 - Inhibition of corrosion, e.g. anti-rust agents, anti-corrosives
  • C10N 50/02 - Form in which the lubricant is applied to the material being lubricated dissolved or suspended in a carrier which subsequently evaporates to leave a lubricant coating

23.

POLYUREA COATING SYSTEMS AS SEALANTS FOR THE EXTERIOR OF FUEL TANKS

      
Application Number EP2020086945
Publication Number 2021/123109
Status In Force
Filing Date 2020-12-18
Publication Date 2021-06-24
Owner CHEMETALL GMBH (Germany)
Inventor
  • Kraemer, Michael
  • Bruchertseifer, Christian
  • Bons, Peter

Abstract

The present invention relates to a 2K coating system consisting of two components (A) and (B) being separate from each other, wherein (A) comprises at least one constituent (a1) containing at least one aromatic moiety and bearing on average at least two primary and/or secondary amino groups, wherein (B) comprises at least one constituent (b1) containing at least one aromatic moiety and bearing on average at least two isocyanate groups, wherein each of (A) and (B) has a solid content of at least 95 wt.-%, based on the total weight of the respective component, and constituent (b1) present in component (B) bears carbodiimide and/or uretonimine units as well as at least one structural unit (I), a coating composition obtainable by mixing components (A) and (B) of the inventive coating system, a use of said coating composition as sealant, in particular for sealing the exterior of fuel tanks, a method of applying the coating composition to a substrate and in particular a method of sealing the exterior of fuel tanks, and a sealed substrate such as a sealed fuel tank obtainable by this method.

IPC Classes  ?

  • B05D 1/02 - Processes for applying liquids or other fluent materials performed by spraying
  • C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
  • C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
  • C08G 18/48 - Polyethers
  • C08G 18/50 - Polyethers having hetero atoms other than oxygen
  • C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
  • C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
  • C08K 5/00 - Use of organic ingredients
  • C09D 175/02 - Polyureas
  • C09D 175/08 - Polyurethanes from polyethers
  • B05D 1/34 - Applying different liquids or other fluent materials simultaneously

24.

COMPOSITIONS AND METHODS FOR METAL PRE-TREATMENT

      
Application Number EP2020069922
Publication Number 2021/009186
Status In Force
Filing Date 2020-07-15
Publication Date 2021-01-21
Owner CHEMETALL GMBH (Germany)
Inventor
  • Qiu, Xueting
  • Schock, Stuart

Abstract

The presently claimed invention relates to a composition comprising at least one polyurethane polymer. The presently claimed invention particularly relates to use of the composition comprising at least one polyurethane polymer for metal pre-treatment and a process for metal pre-treatment.

IPC Classes  ?

  • C23C 22/06 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6
  • C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
  • C08G 18/72 - Polyisocyanates or polyisothiocyanates
  • C08L 75/04 - Polyurethanes
  • C09D 175/04 - Polyurethanes
  • C23C 22/08 - Orthophosphates
  • C23C 22/36 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides containing also phosphates
  • C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
  • C09D 5/08 - Anti-corrosive paints
  • C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
  • C08L 75/12 - Polyurethanes from compounds containing nitrogen and active hydrogen, the nitrogen atom not being part of an isocyanate group
  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C08G 18/08 - Processes
  • C08G 18/32 - Polyhydroxy compounds; Polyamines; Hydroxy amines
  • C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
  • C08G 18/70 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
  • C08G 18/80 - Masked polyisocyanates

25.

IMPROVED METHOD FOR PURGING PAINT CIRCUITS AND WATERBORNE PURGE CLEANER

      
Application Number EP2020057566
Publication Number 2020/200803
Status In Force
Filing Date 2020-03-19
Publication Date 2020-10-08
Owner CHEMETALL GMBH (Germany)
Inventor
  • Casamor, Jose M
  • Jaen Franco, Miguel Angel
  • Girbau, Jordi

Abstract

CODVOCCompound) content as well as to a concentrate for producing the purge cleaner solution.

IPC Classes  ?

26.

PHOSPHATE-FREE CLEANER FOR METALLIC SURFACES WITH REDUCED PICKLING EROSION

      
Application Number EP2020057775
Publication Number 2020/200838
Status In Force
Filing Date 2020-03-20
Publication Date 2020-10-08
Owner CHEMETALL GMBH (Germany)
Inventor
  • Schaus, Andre
  • Weil, Dominic

Abstract

The present invention relates to a water-based, alkaline cleaner concentrate for producing a cleaner for metallic surfaces containing a) at least one (meth)acrylic acid homopolymer having a weight-average molar mass in the range from 3000 to 19 000 g/mol and b) at least one (meth)acrylic acid copolymer having a weight-average molar mass in the range from 50 000 to 100 000 g/mol, wherein the at least one (meth)acrylic acid copolymer is at least one linear copolymer of (meth)acrylic acid and at least one monomer having a vinyl group and at least two acid groups selected from the group consisting of carboxylic acid groups and sulfonic acid groups, and to a corresponding cleaner for metallic surfaces with reduced pickling erosion, which eschew the use of phosphates. The invention further relates to a process for anticorrosive treatment of metallic surfaces, comprising a corresponding cleaning step, to a metallic surface obtainable by said process and to the use thereof in the field of metalworking industries.

IPC Classes  ?

  • C23C 22/18 - Orthophosphates containing manganese cations
  • C23C 22/73 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
  • C23G 1/18 - Organic inhibitors
  • C23G 1/22 - Light metals
  • C09D 5/08 - Anti-corrosive paints
  • C09D 5/44 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C11D 11/00 - Special methods for preparing compositions containing mixtures of detergents
  • C11D 3/37 - Polymers
  • C23G 1/14 - Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions

27.

METHOD FOR OPERATING A TREATMENT SYSTEM, TREATMENT SYSTEM, AND USE OF A TREATMENT SYSTEM

      
Application Number DE2020100226
Publication Number 2020/192843
Status In Force
Filing Date 2020-03-20
Publication Date 2020-10-01
Owner
  • DÜRR SYSTEMS AG (Germany)
  • CHEMETALL GMBH (Germany)
Inventor
  • Weschke, Jürgen
  • Sauer, Oliver
  • Hofmann, Tobias

Abstract

The invention relates to a method for operating a treatment system, by means of which an optimized workpiece treatment is facilitated. The method for operating a treatment system has the following steps: guiding workpieces through a treatment basin filled with a treatment medium in order to treat the workpieces; rinsing the workpieces with a rinsing medium while and/or after the workpieces are guided out of the treatment basin; and producing the rinsing medium from the treatment medium, wherein the rinsing medium is produced by means of a preparation device by filtering, in particular nano-filtering, the treatment medium.

IPC Classes  ?

28.

AN ANTI-RUST COMPOSITION FOR METAL SURFACE AND A METHOD OF ANTI-RUST TREATMENT ON METAL SURFACE

      
Application Number EP2020054031
Publication Number 2020/169507
Status In Force
Filing Date 2020-02-17
Publication Date 2020-08-27
Owner CHEMETALL GMBH (Germany)
Inventor
  • Wan, Sheng Xing
  • Zou, Hai Xia

Abstract

This invention provides an anti-rust composition for metal surfaces comprising: a). 30% to 80% by weight of water-soluble or water-dispersible acrylic resin and/or urethane resin; b). 0.1% to 10% by weight of epoxysilane and/or vinylsilane; c). 0.1% to 3% by weight of silicone surfactant and/or fluorosurfactant; d). 0.1% to 10% by weight of alcohol and/or ether; and e). water, and the weight percentage of each component is based on the total weight of the aqueous composition. And this invention also provides an anti-rust treatment method on metal surfaces comprising steps of i). coating the invented anti-rust composition onto the metal surfaces and ii). dry the coating layer at temperature from 60°C to 150°C. Moreover, this invention also provides an anti-rust treated coil steel obtained by the invented anti-rust treatment method.

IPC Classes  ?

  • C09D 5/08 - Anti-corrosive paints
  • C09D 7/63 - Additives non-macromolecular organic
  • C09D 7/65 - Additives macromolecular
  • C09D 133/08 - Homopolymers or copolymers of acrylic acid esters
  • C09D 133/10 - Homopolymers or copolymers of methacrylic acid esters
  • C09D 133/20 - Homopolymers or copolymers of acrylonitrile
  • C09D 175/06 - Polyurethanes from polyesters
  • C09D 7/45 - Anti-settling agents
  • C08K 3/26 - Carbonates; Bicarbonates
  • C08K 5/05 - Alcohols; Metal alcoholates
  • C08K 5/06 - Ethers; Acetals; Ketals; Ortho-esters
  • C08K 5/095 - Carboxylic acids containing halogens
  • C08K 5/098 - Metal salts of carboxylic acids
  • C08K 5/5419 - Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
  • C08K 5/5425 - Silicon-containing compounds containing oxygen containing at least one C=C bond
  • C08K 5/5435 - Silicon-containing compounds containing oxygen containing oxygen in a ring

29.

IMPROVED METHOD FOR APPLYING SILANE-BASED COATINGS ON SOLID SURFACES, IN PARTICULAR ON METAL SURFACES

      
Application Number EP2020053084
Publication Number 2020/165032
Status In Force
Filing Date 2020-02-07
Publication Date 2020-08-20
Owner CHEMETALL GMBH (Germany)
Inventor
  • Ostrovsky, Ilya
  • Braehler, Veronika

Abstract

The present invention refers to an improved method for applying silane-based coatings to solid surfaces, in particular metal surfaces, wherein a solid surface, in particular an optionally anodized or conversion-coated metal surface, is i) optionally cleaned, etched and/or desmutted, ii) brought into contact with at least one unhydrolyzed silane such that an unhydrolyzed silane layer is formed on the solid surface, iii) brought into contact with water such that the silane layer is at least partially hydrolyzed, iv) at least partially dried such that residues of water and alkanol are at least partially removed from the solid surface, v) optionally heated such that the at least partially hydrolyzed and least partially dried silane layer is cured, and vi) in case that step v) is conducted, optionally painted. The present invention also relates to an according silane-containing composition as well as to a solidsurface, in particular a metal surface, with an according silane-based coating and its use in the field of transportation industry or electrically conductive assembling.

IPC Classes  ?

  • B05D 1/36 - Successively applying liquids or other fluent materials, e.g. without intermediate treatment
  • B05D 7/14 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
  • B05D 1/18 - Processes for applying liquids or other fluent materials performed by dipping
  • C08K 5/3477 - Six-membered rings
  • C09D 5/08 - Anti-corrosive paints
  • C09D 183/04 - Polysiloxanes
  • C23C 22/73 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
  • C23C 22/74 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process for obtaining burned-in conversion coatings
  • C23C 22/83 - Chemical after-treatment
  • B05D 3/04 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
  • B05D 3/02 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking

30.

SIMPLIFIED METHOD FOR PRETREATING METAL SUBSTRATES FOR COLD FORMING AND REACTIVE LUBRICANT THEREFOR

      
Application Number EP2020053089
Publication Number 2020/165035
Status In Force
Filing Date 2020-02-07
Publication Date 2020-08-20
Owner CHEMETALL GMBH (Germany)
Inventor
  • Hollmann, Frank
  • Guettler, Benjamin
  • Shi, Yinfeng

Abstract

The present invention relates to a simplified method for pretreating metal substrates for cold forming, in which method a metal substrate is successively 1) preferably cleaned and then rinsed, 2) preferably pickled and then rinsed, 3) brought into contact with a water-based, acidic, reactive lubricant, which contains a) oxalic acid, b) at least one accelerator, which comprises nitroguanidine and/or at least one iron(III) source, and c) at least one film former, at least one wax and/or at least one emulsified lubrication oil, and 4) optionally dried, wherein the at least one film former is selected from the group consisting of homopolymers and copolymers of ethylene, propylene, styrene, (meth)acrylic acid, (meth)acrylate, vinyl amine, vinyl formamide, vinyl pyrrolidone, vinyl caprolactam, vinyl acetate, vinyl imidazole and/or epoxy and salts thereof and polyurethanes, polyamides, polyethylene imines, polyamines and salts thereof, wherein the at least one wax is selected from the group consisting of non-ionic waxes and cationic stabilized waxes, and wherein the at least one emulsified lubrication oil is selected from the group consisting of synthetic oils, mineral oils, vegetable oils and animal oils, to a corresponding reactive lubricant and to a metal substrate pretreated by the method and use thereof.

IPC Classes  ?

  • C10M 173/00 - Lubricating compositions containing more than 10% water
  • C23C 22/46 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing oxalates
  • C10M 173/02 - Lubricating compositions containing more than 10% water not containing mineral or fatty oils

31.

ALTERNATIVE COMPOSITION AND ALTERNATIVE METHOD FOR EFFECTIVELY PHOSPHATING METAL SURFACES

      
Application Number EP2020051585
Publication Number 2020/156913
Status In Force
Filing Date 2020-01-23
Publication Date 2020-08-06
Owner CHEMETALL GMBH (Germany)
Inventor
  • Ceglarek, Timo Christoph
  • Wietzoreck, Hardy

Abstract

12321233 on the C atom is selected, independently of the others, from the group consisting of hydroxymethyl, 1-hydroxyethyl, 2-hydroxyethyl, 1-hydroxypropyl, 2-hydroxypropyl, 3-hydroxypropyl, 1-hydroxy-1-methylethyl, and 2-hydroxy-1-methylethyl. The invention also relates to a method for preparing such a composition, to an alternative method for phosphating metal surfaces, and to the use of phosphate coatings produced therewith.

IPC Classes  ?

  • C23C 22/22 - Orthophosphates containing alkaline earth metal cations
  • C23C 22/18 - Orthophosphates containing manganese cations
  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C23C 22/82 - After-treatment
  • C23C 22/78 - Pretreatment of the material to be coated

32.

METHOD FOR NI-FREE PHOSPHATIZING OF METAL SURFACES AND COMPOSITION FOR USE IN SUCH A METHOD

      
Application Number EP2019077242
Publication Number 2020/074527
Status In Force
Filing Date 2019-10-08
Publication Date 2020-04-16
Owner
  • CHEMETALL GMBH (Germany)
  • RHODIA OPERATIONS (France)
Inventor
  • Khelfallah, Nawel, Souad
  • Dahlenburg, Olaf
  • Seider, Lisa
  • Labeau, Marie-Pierre
  • Gody, Guillaume

Abstract

The present invention relates to a method for treatment of at least one surface of a metal containing substrate comprising at least steps (1) and (3), namely contacting said surface with an aqueous acidic Ni-free composition (A) comprising at least zinc cations, manganese cations and phosphate anions to form a conversion coating on the surface (1) and contacting said formed coating with an aqueous Ni-free composition (B) comprising one or more linear polymers (P) containing vinyl phosphonic acid and (meth)acrylic acid in form of their polymerized monomeric units, to said composition (B) as such, to a master batch to produce said composition (B), to a kit-of-parts comprising both compositions (A) and (B) as well as to a kit-of-parts comprising respective master batches to produce both compositions (A) and (B) as well as to a coated substrate obtainable by the inventive method.

IPC Classes  ?

  • C23C 22/18 - Orthophosphates containing manganese cations
  • C23C 22/73 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
  • C23C 22/78 - Pretreatment of the material to be coated
  • C23C 22/80 - Pretreatment of the material to be coated with solutions containing titanium or zirconium compounds
  • C23C 22/83 - Chemical after-treatment

33.

METHOD FOR NI-FREE PHOSPHATIZING OF METAL SURFACES AND COMPOSITION FOR USE IN SUCH A METHOD

      
Application Number EP2019077244
Publication Number 2020/074529
Status In Force
Filing Date 2019-10-08
Publication Date 2020-04-16
Owner
  • CHEMETALL GMBH (Germany)
  • RHODIA OPERATIONS (France)
Inventor
  • Khelfallah, Nawel, Souad
  • Dahlenburg, Olaf
  • Seider, Lisa
  • Labeau, Marie-Pierre
  • Gody, Guillaume

Abstract

The present invention relates to a method for treatment of at least one surface of a metal containing substrate comprising at least steps (1) and (3), namely contacting said surface with an aqueous acidic Ni-free composition (A) comprising at least zinc cations, manganese cations and phosphate anions to form a conversion coating on the surface (1) and contacting said formed coating with an aqueous Ni-free composition (B) comprising one or more linear polymers (P) containing at least vinyl phosphonic acid, (meth)acrylic acid and hydroxyethyl- and/or hydroxypropyl (meth)acrylate in form of their polymerized monomeric units, to said composition (B) as such, to a master batch to produce said composition (B), to a kit-of-parts comprising both compositions (A) and (B) as well as to a kit-of-parts comprising respective master batches to produce both compositions (A) and (B) as well as to a coated substrate obtainable by the inventive method.

IPC Classes  ?

  • C23C 22/18 - Orthophosphates containing manganese cations
  • C23C 22/73 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
  • C23C 22/78 - Pretreatment of the material to be coated
  • C23C 22/80 - Pretreatment of the material to be coated with solutions containing titanium or zirconium compounds
  • C23C 22/83 - Chemical after-treatment

34.

METHOD FOR TREATING SURFACES OF ALUMINUM CONTAINING SUBSTRATES

      
Application Number EP2019073774
Publication Number 2020/049134
Status In Force
Filing Date 2019-09-05
Publication Date 2020-03-12
Owner
  • CHEMETALL GMBH (Germany)
  • RHODIA OPERATIONS (France)
Inventor
  • Sebralla, Lars
  • Khelfallah, Nawel, Souad
  • Schoene, Axel
  • Labeau, Marie-Pierre
  • Gody, Guillaume

Abstract

The present invention relates to a method for treatment of at least one surface of a substrate, wherein said surface is at least partially made of aluminum and/or an aluminum alloy, comprising at least a step of contacting said surface with an acidic aqueous composition (A), said acidic aqueous composition (A) comprising one or more metal compounds (M) selected from the group of titanium compounds, zirconium compounds and hafnium compounds and one or more linear polymers (P) containing (ml ) hydroxyethyl- and/or hydroxypropyl- (meth)acrylate, (m2) vinylphosphonic acid, and (m3) (meth)acrylic acid in form of their polymerized monomeric units, the one or more linear polymers (P) being comprised in the acidic aqueous composition (A) in an amount of 50 to 5000 ppm, based on the total weight of the acidic aqueous composition, to a corresponding acidic aqueous composition (A) as such, to a master batch to produce such acidic aqueous composition (A), to the use of the acidic aqueous composition (A) for treating surfaces and to substrates comprising the thus treated surfaces.

IPC Classes  ?

  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C09D 5/08 - Anti-corrosive paints
  • C23C 22/36 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides containing also phosphates

35.

METHOD FOR TREATING SURFACES OF ALUMINUM CONTAINING SUBSTRATES

      
Application Number EP2019073771
Publication Number 2020/049132
Status In Force
Filing Date 2019-09-05
Publication Date 2020-03-12
Owner
  • CHEMETALL GMBH (Germany)
  • RHODIA OPERATIONS (France)
Inventor
  • Sebralla, Lars
  • Khelfallah, Nawel, Souad
  • Schoene, Axel
  • Labeau, Marie-Pierre
  • Gody, Guillaume

Abstract

The present invention relates to a method for treatment of at least one surface of a substrate, wherein said surface is at least partially made of aluminum and/or an aluminum alloy, comprising at least a step of contacting said surface with an acidic aqueous composition (A), said acidic aqueous composition (A) comprising one or more metal compounds (M) selected from the group of titanium compounds, zirconium compounds and hafnium compounds and one or more linear polymers (P) containing (m1) Ν,Ν-dimethyl (meth)acryl amide, (m2) vinylphosphonic acid, and (m3) (meth)acrylic acid in form of their polymerized monomeric units, the one or more linear polymers (P) being comprised in the acidic aqueous composition (A) in an amount of 50 to 5000 ppm, based on the total weight of the acidic aqueous composition, to a corresponding acidic aqueous composition (A) as such, to a master batch to produce such acidic aqueous composition (A), to the use of the acidic aqueous composition (A) for treating surfaces and to substrates comprising the thus treated surfaces.

IPC Classes  ?

  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C23C 22/36 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides containing also phosphates
  • C23C 22/42 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing molybdates, tungstates or vanadates containing also phosphates
  • C23C 22/44 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing molybdates, tungstates or vanadates containing also fluorides or complex fluorides
  • C23C 22/56 - Treatment of aluminium or alloys based thereon
  • C09D 5/08 - Anti-corrosive paints
  • C23C 22/73 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
  • C23C 22/80 - Pretreatment of the material to be coated with solutions containing titanium or zirconium compounds
  • C23C 22/83 - Chemical after-treatment

36.

METHOD FOR TREATING METALLIC SURFACES WITH AN ACIDIC AQUEOUS COMPOSITION TO IMPROVE CORROSION RESISTANCE

      
Application Number EP2019067873
Publication Number 2020/007925
Status In Force
Filing Date 2019-07-03
Publication Date 2020-01-09
Owner
  • CHEMETALL GMBH (Germany)
  • RHODIA OPERATIONS (France)
Inventor
  • Birkenheuer, Stefan
  • Hecker, Carina
  • Sauer, Oliver
  • Schatz, Daniel
  • Khelfallah, Nawel, Souad
  • Labeau, Marie-Pierre
  • Gody, Guillaume

Abstract

The present invention relates to a method for treatment of a metallic surface, comprising the step of contacting the metallic surface with an acidic aqueous composition, the acidic aqueous composition comprising (a) one or more metal compounds (M) selected from the group of titanium compounds, zirconium compounds and hafnium compounds; (b) one or more linear polymers (P) prepared by controlled radical polymerization and made of (ml) N, N-dimethyl (meth)acryl amide and (m2) vinylphosphonic acid, in form of their polymerized monomeric units, with the proviso that 85 to 95 mol-% of the polymerized monomeric units are polymerized monomeric units of N, N-dimethyl (meth)acryl amide, and the one or more linear polymers (P) being comprised in the acidic aqueous composition in an amount of 10 to 500 ppm based on the total weight of the acidic aqueous composition; and (c) one or more hydrolysable organosilane compounds (S) or their hydrolysis products (HS) and/or condensation products (CS). The invention further relates to acidic aqueous composition used in the method for treatment, a master batch to produce such acidic aqueous composition, the use of the acidic aqueous composition to treat metallic surfaces and substrates comprising the thus treated metallic surfaces.

IPC Classes  ?

  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C25D 11/00 - Electrolytic coating by surface reaction, i.e. forming conversion layers

37.

METHOD FOR TREATING METALLIC SURFACES WITH AN ACIDIC AQUEOUS COMPOSITION AND A POST RINSING COMPOSITION TO IMPROVE CORROSION RESISTANCE

      
Application Number EP2019067874
Publication Number 2020/007926
Status In Force
Filing Date 2019-07-03
Publication Date 2020-01-09
Owner
  • CHEMETALL GMBH (Germany)
  • RHODIA OPERATIONS (France)
Inventor
  • Birkenheuer, Stefan
  • Hecker, Carina
  • Sauer, Oliver
  • Schatz, Daniel
  • Khelfallah, Nawel, Souad
  • Labeau, Marie-Pierre
  • Gody, Guillaume

Abstract

A method of treatment of a metallic surface, by contacting the surface with a first aqueous composition being an acidic aqueous composition comprising at least one of titanium, zirconium and hafnium compound(s); and hydrolysable organosilane compound(s) or their hydrolysis and/or condensation products; subsequently contacting the metallic surface with a second aqueous composition, the second aqueous composition comprising linear polymer(s), prepared by CRP and made of (m1) N,N-dimethyl (meth)acryl amide, and (m2) vinylphosphonic acid, wherein 85 to 95 mol-% of the polymerized monomeric units are units of N,N-Dimethyl (meth)acryl amide; and 10 to 500 ppm of the linear polymer(s) being comprised in the second aqueous composition. The invention further relates to a kit-of-part comprising the two aqueous compositions and a kit-of-parts, comprising master-batches of the two aqueous compositions. A further subject is the use of the kit-of-parts of treating a metallic surface and substrates comprising the thus treated metallic surfaces.

IPC Classes  ?

  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C23C 22/83 - Chemical after-treatment
  • C25D 11/00 - Electrolytic coating by surface reaction, i.e. forming conversion layers

38.

PROCESS FOR SELECTIVE PHOSPHATING OF A COMPOSITE METAL CONSTRUCTION

      
Application Number EP2019053391
Publication Number 2019/158508
Status In Force
Filing Date 2019-02-12
Publication Date 2019-08-22
Owner CHEMETALL GMBH (Germany)
Inventor
  • Dahlenburg, Olaf
  • Wietzoreck, Hardy
  • Specht, Juergen

Abstract

The present invention relates to a process for chemical pretreatment and selective phosphating of a composite metal construction containing at least one part made of aluminium and at least one part made of zinc and optionally a further part made of iron which comprises (I) in a first step the treatment of the composite metal construction with an aqueous zinc phosphating composition which effects on the parts made of zinc and iron the formation of a surface-covering crystalline zinc phosphate layer having a coating weight in the range from 0.5 to 5g/m2but does not produce a zinc phosphate layer having a coating weight of at least 0.5g/m2 on the aluminium parts and subsequently - with an intermediate water washing cycle - comprises (II) in a second step the application of an aqueous acidic passivating composition having a pH in the range from 2.0 to 5.5 on the composite metal construction, wherein the acidic passivating composition removes from the parts made of zinc and iron not more than 50% of the crystalline zinc phosphate but forms a passive layer, which is not a surface-covering crystalline phosphate layer, on the aluminium parts, wherein the zinc phosphating composition in step (I) contains a content of sodium and/or potassium ions and of aluminium ions, wherein the zinc phosphating composition in step (I) has a temperature in the range from 20°C to 65°C and contains a content of free fluoride which is at least 5 mg/l but is not more than 200 mg/l, wherein the zinc phosphating composition contains at least 0.04 g/l but not more than 3.2 g/l of boron in the form of water-soluble inorganic compounds calculated as BF4 and wherein the pointage of the free acid with added KCl in the zinc phosphating composition is at least 0.6 points. The present invention further relates to a corresponding zinc phosphating composition, to a concentrate for the production thereof, to a corresponding composite metal construction and to the use thereof.

IPC Classes  ?

  • C23C 22/73 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
  • C23C 22/36 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides containing also phosphates
  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C23C 22/40 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing molybdates, tungstates or vanadates
  • C23C 22/44 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing molybdates, tungstates or vanadates containing also fluorides or complex fluorides
  • C23C 22/80 - Pretreatment of the material to be coated with solutions containing titanium or zirconium compounds
  • C23C 22/83 - Chemical after-treatment

39.

BORIC ACID-FREE COMPOSITION FOR REMOVING DEPOSITS CONTAINING CRYOLITE

      
Application Number EP2018084005
Publication Number 2019/115395
Status In Force
Filing Date 2018-12-07
Publication Date 2019-06-20
Owner CHEMETALL GMBH (Germany)
Inventor Mohr, Anna Verena

Abstract

2xx-COOH, wherein x = 0 to 3 and no compounds containing borate were added to the composition, and a corresponding method for removing deposits containing cryolite.

IPC Classes  ?

  • C23G 1/02 - Cleaning or pickling metallic material with solutions or molten salts with acid solutions
  • C11D 1/00 - Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C23C 22/73 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process

40.

METHOD FOR PRETREATING ALUMINUM MATERIALS, PARTICULARLY ALUMINUM WHEELS

      
Application Number EP2018074512
Publication Number 2019/053023
Status In Force
Filing Date 2018-09-11
Publication Date 2019-03-21
Owner
  • CHEMETALL GMBH (Germany)
  • RHODIA OPERATIONS (France)
Inventor
  • Sebralla, Lars
  • Khelfallah, Nawel, Souad
  • Walter, Manfred
  • Labeau, Marie-Pierre
  • Gody, Guillaume

Abstract

The present invention relates to a method for pretreating aluminum materials, particularly aluminum wheels, wherein an aluminum material is successively i) cleaned and subsequently rinsed, ii) optionally subjected to alkaline pickling and subsequently rinsed, iii) optionally contacted with an aqueous composition comprising at least one mineral acid, iv) optionally rinsed and v) contacted with an acidic aqueous composition comprising a) at least one compound selected from the group consisting of titanium, zirconium and hafnium compounds and b) at least one linear terpolymer prepared by controlled radical polymerisation and comprising vinylphosphonic acid monomeric units, hydroxylethyl- and/or hydroxylpropyl-(meth)acrylate monomeric units and (meth)acrylic acid monomeric units, vi) optionally rinsed, vii) optionally contacted with another aqueous composition, viii) optionally rinsed and ix) optionally dried. Further, the invention relates to a corresponding composition as well as the use of the materials treated according to the method.

IPC Classes  ?

  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C09D 5/08 - Anti-corrosive paints
  • C09D 133/02 - Homopolymers or copolymers of acids; Metal or ammonium salts thereof

41.

IMPROVED METHOD FOR NICKEL-FREE PHOSPHATING METAL SURFACES

      
Application Number EP2018073056
Publication Number 2019/042951
Status In Force
Filing Date 2018-08-28
Publication Date 2019-03-07
Owner CHEMETALL GMBH (Germany)
Inventor
  • Dahlenburg, Olaf
  • Kolberg, Thomas
  • Schmeier, Lisa

Abstract

The present invention relates to a method for the substantially nickel-free phosphating of a metal surface, in which a metal surface is treated with the following compositions one after the other: i) with an alkaline, aqueous cleaning agent composition, which contains at least a water-soluble silicate, and ii) with an acidic, aqueous, substantially nickel-free phosphating composition, which comprises zinc ions, manganese ions and phosphate ions. The invention also relates to the above cleaning agent composition itself and to a metal surface phosphate-coated by means of the above method and use thereof.

IPC Classes  ?

  • C23C 22/13 - Orthophosphates containing zinc cations containing also nitrate or nitrite anions
  • C23C 22/18 - Orthophosphates containing manganese cations
  • C23C 22/36 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides containing also phosphates
  • C23C 22/78 - Pretreatment of the material to be coated
  • C23C 22/83 - Chemical after-treatment
  • C11D 1/00 - Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C23G 1/20 - Other heavy metals

42.

COATING AGENT COMPOSITIONS THAT ARE SUITABLE FOR DIP COATING AND THAT CURE AT LOW TEMPERATURE

      
Application Number EP2018069840
Publication Number 2019/020534
Status In Force
Filing Date 2018-07-20
Publication Date 2019-01-31
Owner CHEMETALL GMBH (Germany)
Inventor
  • Frenkel, Aliaksandr
  • Eilinghoff, Ron
  • Droll, Martin

Abstract

The invention relates to aqueous coating agent compositions containing at least one type of organic polymer particles having an average particle size of 10 to 1000 nm, comprising isocyanate-reactive polymers (A), one or more ketoxime- and/or pyrazole-blocked polyisocyanates (B), which contain at least one aromatic hydrocarbon moiety or at least one cycloaliphatic hydrocarbon moiety, at least one polyanionic polymer (C), at least one complex fluoride (D) selected from the group consisting of hexa- or tetrafluorides of the metal elements of groups IVb, Vb and VIb of the periodic table of the elements, and at least one aminosilane (E), the aqueous coating agent compositions having a pH value of 3 and comprising a total solid content of 5 to 35 wt%. The invention further relates to a method for producing said coating agent compositions, to a method for coating surfaces that release metal ions with the coating agent compositions according to the invention, and to the coatings obtained therefrom.

IPC Classes  ?

  • C09D 175/04 - Polyurethanes
  • C08G 18/08 - Processes
  • C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
  • C08G 18/40 - High-molecular-weight compounds
  • C08G 18/64 - Macromolecular compounds not provided for by groups
  • C08G 18/80 - Masked polyisocyanates
  • C09D 5/08 - Anti-corrosive paints
  • B05D 1/18 - Processes for applying liquids or other fluent materials performed by dipping
  • C08G 18/58 - Epoxy resins

43.

PLASTIC CAPS FILLED WITH SEALING COMPOUND AS COMBINED PROTECTION AGAINST FUEL AND HYDRAULIC FLUID AND AGAINST LIGHTNING STRIKES

      
Application Number EP2018057572
Publication Number 2018/184878
Status In Force
Filing Date 2018-03-26
Publication Date 2018-10-11
Owner CHEMETALL GMBH (Germany)
Inventor
  • Burock, Heinz
  • Becker, Hendrik

Abstract

The present invention lies in the field of plastic caps filled with sealing compound for sealing connecting elements in aircraft construction against liquids, which plastic caps act as combined protection against fuel and hydraulic fluid, in particular hydraulic fluid based on tributyl phosphate, and against lightning strikes and can be economically produced and applied. The present invention relates to a plastic cap for sealing connecting elements in aircraft construction, which plastic cap consists largely of at least one high-performance polymer, has a dielectric strength of at least 10 kV/mm according to DIN IEC 60243, and is filled with a sealing compound, which has a high energy absorption capacity and has at least one filler selected from the group consisting of hollow filling bodies filled with gas and/or air, the plastic cap and the sealing compound being cohesively connected to each other. In addition, the invention relates to a method for filling and applying such plastic caps and to a corresponding aircraft.

IPC Classes  ?

  • H01R 13/52 - Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
  • F16B 33/00 - Features common to bolt and nut
  • B65D 41/00 - Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
  • C09K 3/10 - Materials not provided for elsewhere for sealing or packing joints or covers

44.

COMPOSITION AND METHOD FOR THE CHROMIUM-FREE PRETREATMENT OF ALUMINIUM SURFACES

      
Application Number EP2017077308
Publication Number 2018/095684
Status In Force
Filing Date 2017-10-25
Publication Date 2018-05-31
Owner CHEMETALL GMBH (Germany)
Inventor
  • Hellmers, Heiko
  • Wendel, Thomas
  • Maurus, Norbert

Abstract

The present invention relates to an aqueous chromium-free composition for pre-treating aluminium surfaces, which contains at least one water-soluble phosphorus compound, at least one water-soluble zirconium compound, at least one water-soluble titanium compound and at least one water-soluble molybdenum compound, wherein the content of phosphorus compound is in the range of 15 to 50 mg/l (calculated as phosphorus), the content of zirconium compound is in the range of 400 to 600 mg/l (calculated as metal), the content of titanium compound is in the range of 85 to 400 mg/l (calculated as metal), and the content of molybdenum compound is in the range of 40 to 150 mg/l (calculated as metal). The invention also relates to a corresponding method and to a correspondingly pretreated component or strip.

IPC Classes  ?

  • C23C 22/44 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing molybdates, tungstates or vanadates containing also fluorides or complex fluorides

45.

IMPROVED PROCESS FOR CORROSION-PROTECTING PRETREATMENT OF A METALLIC SURFACE CONTAINING STEEL, GALVANIZED STEEL, ALUMINUM, AN ALUMINUM ALLOY, MAGNESIUM AND/OR A ZINC-MAGNESIUM ALLOY

      
Application Number EP2017072316
Publication Number 2018/050506
Status In Force
Filing Date 2017-09-06
Publication Date 2018-03-22
Owner CHEMETALL GMBH (Germany)
Inventor
  • Birkenheuer, Stefan
  • Chmielewski, Dietmar
  • Hecker, Carina
  • Sauer, Oliver
  • Schatz, Daniel

Abstract

The present invention relates to an improved process for corrosion-protecting pretreatment of a metallic surface containing steel, galvanized steel, aluminum, an aluminum alloy, magnesium and/or a zinc-magnesium alloy in which the metallic surface is contacted i) with an acidic aqueous composition A comprising a1) at least one compound selected from the group consisting of titanium, zirconium and hafnium compounds and ii) with an aqueous composition B comprising b1) at least one (meth)acrylate resin and b2) at least one phenol resin, wherein the metallic surface is contacted first with the composition A and then with the composition B and/or first with the composition B and then with the composition A and/or simultaneously with the composition A and the composition B. The invention further relates to a corresponding aqueous composition B, to a nonaqueous concentrate for producing this composition, to a correspondingly coated metallic surface and to the use of a correspondingly coated metallic substrate.

IPC Classes  ?

  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C23C 22/44 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing molybdates, tungstates or vanadates containing also fluorides or complex fluorides
  • C23C 22/78 - Pretreatment of the material to be coated
  • C23C 22/83 - Chemical after-treatment
  • B05D 7/16 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies using synthetic lacquers or varnishes
  • C09D 5/08 - Anti-corrosive paints

46.

DEVICE AND METHOD FOR DYNAMIC METERING OF SEALING COMPOUNDS

      
Application Number EP2017072215
Publication Number 2018/050482
Status In Force
Filing Date 2017-09-05
Publication Date 2018-03-22
Owner CHEMETALL GMBH (Germany)
Inventor Burock, Heinz

Abstract

The present invention relates to a device for dynamic metering of sealing compound volumes and to a corresponding method. The device according to the invention has two containers for sealing compound components, a first drive which is connected to two mechanisms, of which in each case one can convey one of the sealing compound components out of its container, a drive controller, a mixing unit for mixing the sealing compound components conveyed out of the containers, with an opening for the application of the sealing compound onto a component, and additionally a compensating container with a compensating volume, and a second drive which is connected to a plunger which reaches into the compensating volume of the compensating container. The compensating container is connected here to the mixing unit. The first and the second drive can be jointly dynamically controlled by the drive controller.

IPC Classes  ?

  • B05C 17/005 - Hand tools or apparatus using hand-held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material through an outlet orifice by pressure
  • B05C 9/06 - Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by groups , or in which the means of applying the liquid or other fluent material is not important for applying two different liquids or other fluent materials, or the same liquid or other fluent material twice, to the same side of the work

47.

METHOD AND DEVICE FOR FILLING SEAL CAPS

      
Application Number EP2017068793
Publication Number 2018/019848
Status In Force
Filing Date 2017-07-25
Publication Date 2018-02-01
Owner CHEMETALL GMBH (Germany)
Inventor Burock, Heinz

Abstract

The invention relates to a method for filling seal caps and to a corresponding automated device for filling seal caps. The method for filling seal caps is characterised in that the seal caps are filled automatically, wherein the positioning of the filling unit and/or the positioning of the cured seal caps by movement in the XYZ direction as well as the filling of the seal caps take place automatically, and wherein the cured seal caps are positioned on a support plate.

IPC Classes  ?

  • B29C 39/10 - Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
  • B05C 5/02 - Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work from an outlet device in contact, or almost in contact, with the work
  • B05C 13/02 - Means for manipulating or holding work, e.g. for separate articles for particular articles
  • B29C 31/04 - Feeding, e.g. into a mould cavity
  • B29C 31/06 - Feeding, e.g. into a mould cavity in measured doses

48.

IMPROVED METHOD FOR ANTI-CORROSION PRE-TREATMENT OF A METAL SURFACE CONTAINING STEEL, GALVANISED STEEL, ALUMINIUM, MAGNESIUM AND/OR A ZINC-MAGNESIUM ALLOY

      
Application Number EP2017065186
Publication Number 2017/220632
Status In Force
Filing Date 2017-06-21
Publication Date 2017-12-28
Owner CHEMETALL GMBH (Germany)
Inventor
  • Birkenheuer, Stefan
  • Hecker, Carina
  • Sauer, Oliver
  • Schatz, Daniel

Abstract

The present invention relates to an improved method for an anti-corrosion pre-treatment of a metal surface containing steel, galvanised steel, aluminum, magnesium and/or a zinc-magnesium alloy, in which method the metal surface is brought into contact with an aqueous composition A that comprises a) 0.01 to 0.5 g/l, (calculated as an addition of a solid), of at least one copolymer which has, in an alternating configuration, i) monomer units containing at least one carboxylic acid group, phosphonic acid group and/or sulfonic acid group, and ii) monomer units with no acid group, and in which method the metal surface is brought into contact with an acidic aqueous composition B that comprises b1 ) at least one compound selected from the group consisting of titanium compounds, zirconium compounds and hafnium compounds. The metal surface is brought into contact i) first with composition A and then with composition B, ii) first with composition B and then with composition A and/or iii) simultaneously with composition A and composition B. The invention also relates to a corresponding aqueous composition A, to an aqueous concentrate for producing this composition, to a correspondingly coated metal surface and to the use of a correspondingly coated metal substrate.

IPC Classes  ?

  • C23C 22/36 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides containing also phosphates
  • C23C 22/78 - Pretreatment of the material to be coated
  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C23C 22/73 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process

49.

BINDERS STABILIZED IN AN AQUEOUS PHASE

      
Application Number EP2017063913
Publication Number 2017/211925
Status In Force
Filing Date 2017-06-08
Publication Date 2017-12-14
Owner CHEMETALL GMBH (Germany)
Inventor
  • Bremser, Wolfgang
  • Droll, Martin
  • Seewald, Oliver
  • Niesen-Warkentin, Evgenija
  • Schachtsiek, Lars
  • Traut, Manuel
  • Schwamb, Michael
  • Wasserfallen, Daniel
  • Sotke, Vera
  • Frenkel, Aliaksandr
  • Eilinghoff, Ron
  • Gerold, Stephanie
  • Khelfallah, Nawel Souad
  • Kleimenhagen, Felix

Abstract

The invention relates to binders which are stabilized in an aqueous phase and are able to co-precipitate along with ionogenic gelatinizing agents, said binders being modified with a hydrophilic functional molecule by means of reactive groups on the binder.

IPC Classes  ?

  • C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
  • C09D 5/08 - Anti-corrosive paints
  • C09D 175/00 - Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers

50.

PROCESS FOR CORROSION-PROTECTING PHOSPHATIZATION OF A METALLIC SURFACE WITH REDUCED PICKLING EROSION

      
Application Number EP2017062505
Publication Number 2017/202891
Status In Force
Filing Date 2017-05-24
Publication Date 2017-11-30
Owner CHEMETALL GMBH (Germany)
Inventor
  • Mohr, Anna Verena
  • Komp, Carola
  • Kolberg, Thomas
  • Dahlenburg, Olaf
  • Schmeier, Lisa

Abstract

The present invention relates to a process for corrosion-protecting phosphatization of a metallic surface in which the surface is successively contacted with the following aqueous compositions: i) an alkaline or acidic cleaner composition, ii) a first washing composition, iii) optionally a second washing composition, iv) an acidic phosphatization composition, v) optionally a third washing composition and vi) a composition containing a (meth)acrylate- and/or epoxide-based KTL, wherein an activating agent is added to the cleaner composition i) and/or wherein between the contacting with the first washing composition ii) or optionally the second washing composition iii) and the phosphatization composition (iv) the metallic surface is contacted with an aqueous activating composition vii), wherein at least one of the compositions i) to v) contains at least one compound of formula (I) R1O-(CH2)x-Z-(CH2)y-OR2 and wherein R1 and R2 are each independently of one another H or an HO-(CH2)w group where w ≥ 2, x and y are each independently of one another 1 to 4, and Z is an S atom or a C-C triple bond, and to an aqueous composition for reducing pickling erosion in corrosion-protecting phosphatization of metallic surfaces.

IPC Classes  ?

  • C25D 13/20 - Pretreatment
  • C23C 22/08 - Orthophosphates
  • C23C 22/73 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
  • C23C 22/78 - Pretreatment of the material to be coated
  • C23C 22/80 - Pretreatment of the material to be coated with solutions containing titanium or zirconium compounds

51.

METHOD FOR ANTI-CORROSION TREATMENT OF A METAL SURFACE WITH REDUCED PICKLING MATERIAL

      
Application Number EP2017060229
Publication Number 2017/186931
Status In Force
Filing Date 2017-04-28
Publication Date 2017-11-02
Owner CHEMETALL GMBH (Germany)
Inventor
  • Mohr, Anna Verena
  • Dröge, Michael
  • Schatz, Daniel
  • Rittmeyer, Marc

Abstract

The present invention relates to a method for anti-corrosion treatment of a metal surface, wherein the surface is successively brought into contact with the following aqueous compositions: i) an alkaline or acidic cleaning composition, ii) a first rinsing composition, iii) if required, a second rinsing composition, iv) an acidic conversion composition, v) if required, a third rinsing composition, and vi) a composition containing a (meth)acrylate-based and/or epoxy-based KTL, wherein at least one of the compositions i) to v) contains at least one compound of the formula (I), and wherein R1 and R2 are in each case independently of one another H or an HO- (CH2)w group with w ≥ 2, x and y in each case independently of one another are 1 to 4, and Z is an S atom or a C-C triple bond. The invention further relates to an aqueous composition for reducing the removal of pickling material in the anti-corrosion treatment of metal surfaces.

IPC Classes  ?

  • C09D 5/08 - Anti-corrosive paints
  • C09D 5/44 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
  • C23C 22/06 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6
  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides

52.

COMPOSITION FOR REDUCING THE REMOVAL OF MATERIAL BY PICKLING IN THE PICKLING OF METAL SURFACES THAT CONTAIN GALVANIZED AND/OR UNGALVANIZED STEEL

      
Application Number EP2017060227
Publication Number 2017/186929
Status In Force
Filing Date 2017-04-28
Publication Date 2017-11-02
Owner CHEMETALL GMBH (Germany)
Inventor Mohr, Anna Verena

Abstract

The present invention relates to an aqueous composition for reducing the removal of material by pickling in the pickling of metal surfaces that contain galvanized and/or ungalvanized steel. Said composition contains a mixture of a compound of the formula I R1O-(CH2)x-CEC-(CH2)y-OR2 (I), wherein both R1 and R2 are H, with a compound of the formula I, wherein R1 and R2 independently of one another represent a HO-(CH2) W group with w > 2, and wherein in each of the two compounds of the formula I x and y are each independently 1 to 4. The invention also relates to a method for pickling a corresponding metal surface with a reduced removal of material by pickling.

IPC Classes  ?

  • C23G 1/06 - Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
  • C23G 1/08 - Iron or steel
  • C23G 1/19 - Iron or steel
  • C23G 1/26 - Cleaning or pickling metallic material with solutions or molten salts with neutral solutions using inhibitors
  • C23G 1/00 - Cleaning or pickling metallic material with solutions or molten salts
  • C23F 11/12 - Oxygen-containing compounds

53.

IMPROVED METHOD FOR NICKEL-FREE PHOSPHATING METAL SURFACES

      
Application Number EP2017050993
Publication Number 2017/174222
Status In Force
Filing Date 2017-01-18
Publication Date 2017-10-12
Owner CHEMETALL GMBH (Germany)
Inventor
  • Dahlenburg, Olaf
  • Schmeier, Lisa

Abstract

The invention relates to a method for phosphating a metal surface, in which a metal surface, optionally after cleaning and/or activating, is initially treated with an acidic, aqueous, essentially nickel-free phosphating composition which contains zinc ions, manganese ions, iron(111) ions and phosphate ions, and then it is optionally rinsed and/or dried. The invention also relates to a corresponding phosphating composition and a correspondingly and to a correspondingly phosphate coated metal surface.

IPC Classes  ?

  • C23C 22/18 - Orthophosphates containing manganese cations
  • C25D 13/20 - Pretreatment
  • C23C 22/36 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides containing also phosphates

54.

PRE-TREATING ALUMINUM SURFACES WITH ZIRCONIUM- AND MOLYBDENUM-CONTAINING COMPOSITIONS

      
Application Number EP2016071657
Publication Number 2017/046139
Status In Force
Filing Date 2016-09-14
Publication Date 2017-03-23
Owner CHEMETALL GMBH (Germany)
Inventor
  • Maurus, Norbert
  • Wendel, Thomas
  • Khelfallah, Nawel Souad

Abstract

The invention relates to a method for pre-treating workpieces with a surface made of aluminum or aluminum alloys for a forming process without machining and/or for a connection process by welding or adhering with identically pre-treated or optionally otherwise pre-coated workpieces or with optionally pre-coated parts made of steel and/or galvanized steel and/or alloy galvanized steel and for a subsequent permanently corrosion-protective treatment by means of a phosphating process, a non-chromate conversion treatment, a primer application process, or by painting. The workpiece is a) pickled with an aqueous acid solution containing mineral acid in an immersion or spraying process, b) rinsed with water, and c) brought into contact with an aqueous acid solution, which is free of chromate and contains Zr as complex fluoride and Mo as molybdate in a weight ratio (calculated as Zr/Mo metal) of Zr : Mo from 15 : 1 to 3.5 : 1, using an immersion or spraying application such that after the subsequent drying process, a layer weight of 2 to 5 mg/m2 of Zr and Mo results in each case, wherein the solution contains 100 to 800 mg/l of Zr and 30 to 100 mg/l of Mo (calculated as Zr/Mo metal) and has a pH value of 2.5 to 4.

IPC Classes  ?

  • C23C 22/44 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing molybdates, tungstates or vanadates containing also fluorides or complex fluorides
  • C23C 22/80 - Pretreatment of the material to be coated with solutions containing titanium or zirconium compounds
  • C23C 22/73 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process

55.

METHOD FOR NICKEL-FREE PHOSPHATING METAL SURFACES

      
Application Number EP2016057622
Publication Number 2016/162423
Status In Force
Filing Date 2016-04-07
Publication Date 2016-10-13
Owner CHEMETALL GMBH (Germany)
Inventor
  • Dahlenburg, Olaf
  • Hollmann, Frank
  • Schmeier, Lisa

Abstract

The invention relates to a method for, essentially, nickel-free phosphating a metal surface, in which a metal surface, optionally after cleaning and/or activating, is initially treated with an acidic aqueous phosphating composition which contains zinc ions, manganese ions and phosphate ions, is optionally rinsed and/or dried, and then is treated with an aqueous post-rinsing composition which comprises at least one type of metal ions selected from the group consisting of ions from molybdenum, copper, silver, gold, palladium, tin, antimony, titanium, zirconium and hafnium and/or at least one polymer selected from the group consisting of polymer classes of polyamines, polyethylenamines, polyanilines, polyimines, polyethylenimines, polythiophenes and polypryroles and to the mixtures and copolymerisates thereof. The invention also relates to the phosphating composition as well as to the post-rinsing composition which is essentially nickel-free.

IPC Classes  ?

  • C23C 22/83 - Chemical after-treatment
  • C23C 22/18 - Orthophosphates containing manganese cations
  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C23C 22/36 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides containing also phosphates
  • C25D 13/20 - Pretreatment

56.

METHOD FOR SPECIFICALLY ADJUSTING THE ELECTRICAL CONDUCTIVITY OF CONVERSION COATINGS

      
Application Number EP2016057620
Publication Number 2016/162422
Status In Force
Filing Date 2016-04-07
Publication Date 2016-10-13
Owner CHEMETALL GMBH (Germany)
Inventor
  • Dahlenburg, Olaf
  • Hollmann, Frank
  • Dröge, Michael
  • Kolberg, Thomas
  • Schmeier, Lisa

Abstract

The invention relates to a method for specifically adjusting the electrical conductivity of a conversion coating, in which a metallic surface or a conversion-coated metallic surface is treated with an aqueous composition which comprises at least one type of metal ion selected from the group consisting of molybdenum, copper, silver, gold, palladium, tin and antimony ions and/or at least one electrically conductive polymer selected from the group consisting of the polymer classes of polyamines, polyanilines, polyimines, polythiophenes and polypryroles.

IPC Classes  ?

  • C23C 22/83 - Chemical after-treatment
  • C23C 22/18 - Orthophosphates containing manganese cations
  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C23C 22/36 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides containing also phosphates
  • C25D 13/20 - Pretreatment

57.

METHOD OF APPLYING A SULPHUR-CONTAINING SEALING COMPOUND, APPARATUS THEREFOR, CORRESPONDINGLY TREATED AEROSPACE VEHICLE AND USE THEREOF

      
Application Number EP2016053005
Publication Number 2016/128547
Status In Force
Filing Date 2016-02-12
Publication Date 2016-08-18
Owner CHEMETALL GMBH (Germany)
Inventor
  • Bons, Peter
  • Reichert, Swetlana
  • Sievers, Björn
  • Kralev, Miroslav

Abstract

The invention relates to a method of sealing, coating or/and aerodynamic smoothing of at least one connecting element that protrudes from a surface or/and for sealing, coating or/and aerodynamic smoothing of a surface at a gap or at an uneven connection site with a sulphur-containing SCOD sealing compound at at least one application site, especially on an aerospace component, with at least one nozzle element and with at least one irradiation unit, which is characterized in that i) a nozzle element contains a mixed sealing compound and is guided or/and mounted over the connecting element protruding from a surface, over the gap or/and over the uneven connection site, ii) the connecting element protruding from the surface, the gap or the uneven connection site is covered fully with sealing compound, the sealing compound forming a sealing compound cover essentially in the form of a sealing compound cap, a coating or/and a mound-shaped or bead-shaped elevation, iii) the nozzle element or at least a portion is raised if required from the surface having the sealing compound cover, and iv) the curing of the sealing compound is initiated with the aid of at least one irradiation unit by energy input and by release of a latent catalyst or is brought about by direct activation of at least one reaction component, such that the mixed sealing compound subsequently hardens or/and hardens further. The invention also relates to a corresponding apparatus, to the aerospace vehicle treated in this way and to the use of the method and the apparatus.

IPC Classes  ?

  • C09K 3/10 - Materials not provided for elsewhere for sealing or packing joints or covers

58.

SEALING MASS BASED ON MERCAPTO-TERMINATED BASE POLYMER/EPOXY COMPOUND AND METHOD FOR HARDENING BY MEANS OF A PHOTOLATENT CATALYST

      
Application Number EP2016053006
Publication Number 2016/128548
Status In Force
Filing Date 2016-02-12
Publication Date 2016-08-18
Owner CHEMETALL GMBH (Germany)
Inventor
  • Bons, Peter
  • Reichert, Swetlana
  • Sievers, Björn
  • Kralev, Miroslav

Abstract

The present invention relates to a sealing mass for coating a substrate, which is a mixture of a predominantly unhardened matrix and a hardener containing at least one epoxy compound, wherein the matrix contains a mercapto-terminated base polymer based on polyether, polythioether, polythioethersulfide, polysulfide, copolymers thereof and/or mixtures thereof, wherein the matrix, the hardener or both contain at least one photoinitiator based on a sterically hindered nitrogen-containing organic base, and, through the effects of energy-rich actinic radiation, the at least one photoinitiator dissociates at least one radical per molecule based on a nitrogen-containing organic base, from which a nitrogen-containing organic base having a pKs value of the conjugated acid in the region of 6 to 30 is formed, which acts as an active catalyst for the hardening of the matrix. The present invention also relates to a corresponding method for coating a substrate with a sealing compound.

IPC Classes  ?

  • C09K 3/10 - Materials not provided for elsewhere for sealing or packing joints or covers

59.

METHOD FOR FIRMLY ADHERING COATING OF METALLIC SURFACES, PARTICULARLY OF ALUMINIUM MATERIALS

      
Application Number EP2015079678
Publication Number 2016/096777
Status In Force
Filing Date 2015-12-15
Publication Date 2016-06-23
Owner CHEMETALL GMBH (Germany)
Inventor
  • Sebralla, Lars
  • Birkenheuer, Stefan
  • Walter, Manfred
  • Khelfallah, Nawel Souad

Abstract

The present invention relates to an acidic aqueous composition for coating metallic surfaces, particularly of aluminium materials, that comprises, besides water and optionally further components, a) at least one compound selected from the group consisting of organoalkoxysilanes, organosilanols, polyorganosilanols, organosiloxanes and polyorganosiloxanes, b) at least one compound selected from the group consisting of titanium, zirconium, hafnium and aluminium compounds and silicon complex fluoride, and c) at least one copolymer which is stable at least in a segment of the pH range below 6 and which comprises, in alternating configuration, monomer units containing at least one carboxylic and/or phosphonic acid group and monomer units containing no acid group. The invention further relates to a corresponding coating method and to the use of the substrates coated by this method.

IPC Classes  ?

  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides

60.

DETERGENT FOR GENTLE REMOVAL OF INKS AND MARKERS

      
Application Number EP2015063418
Publication Number 2015/193280
Status In Force
Filing Date 2015-06-16
Publication Date 2015-12-23
Owner CHEMETALL GMBH (Germany)
Inventor
  • Bons, Peter
  • Rein, Rüdiger
  • Wörner, Jörg
  • Corneli, Miriam

Abstract

The invention relates to a detergent for gentle removal of inks as used for marking in a roll mill, and to markers as used in production for temporary marking. According to the invention, the problem is solved by a detergent which permits the gentle removal of inks or markers from metallic surfaces in the form of a concentrate or a cleaning bath solution containing at least one water-immiscible solvent in an amount of 4 to 200 g/l, at least one anionic and/or nonionic surfactant in an amount of 8-300 g/l, at least one complexing agent in an amount of 1-100 g/l, at least one buffer substance in an amount of 1-100 g/l and at least one water-miscible solvent in an amount of 4-200 g/l in water.

IPC Classes  ?

  • C11D 11/00 - Special methods for preparing compositions containing mixtures of detergents
  • C11D 1/83 - Mixtures of non-ionic with anionic compounds
  • C11D 1/66 - Non-ionic compounds
  • C11D 1/02 - Anionic compounds
  • C11D 3/43 - Solvents

61.

METHOD FOR PRODUCING A SANDWICH STRUCTURE, SANDWICH STRUCTURE PRODUCED THEREBY AND USE THEREOF

      
Application Number EP2015061039
Publication Number 2015/181004
Status In Force
Filing Date 2015-05-20
Publication Date 2015-12-03
Owner
  • CHEMETALL GMBH (Germany)
  • THYSSENKRUPP STEEL EUROPE AG (Germany)
Inventor
  • Klüppel, Ingo
  • Leimkühler, Mark
  • Maurus, Norbert
  • Reisewitz, Sophie
  • Schüllermann, Gerrit

Abstract

The invention relates to a method for producing a sandwich structure on the basis of at least one layer on the basis of metallic material and on the basis of at least one layer of organic polymer, wherein for coating of at least one metallic surface with at least one metallic layer to be combined with the layer on the basis of organic polymer, an aqueous conversion composition on the basis of zinc, additional cations, poly(acrylic acid), and optionally silane, is brought into contact, wherein the liquid film thereby produced is dried on and wherein the metallic layer coated in such manner is brought into contact with at least one layer on the basis of organic polymer and is combined into a sandwich structure by means of compaction under pressure and/or temperature. The invention also relates to such sandwich structures.

IPC Classes  ?

  • C23C 22/18 - Orthophosphates containing manganese cations
  • C23C 22/20 - Orthophosphates containing aluminium cations
  • C23C 22/42 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing molybdates, tungstates or vanadates containing also phosphates
  • C23C 22/80 - Pretreatment of the material to be coated with solutions containing titanium or zirconium compounds
  • B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin

62.

METHOD FOR COATING METAL SURFACES OF SUBSTRATES AND OBJECTS COATED IN ACCORDANCE WITH SAID METHOD

      
Application Number EP2015060461
Publication Number 2015/173232
Status In Force
Filing Date 2015-05-12
Publication Date 2015-11-19
Owner CHEMETALL GMBH (Germany)
Inventor
  • Bremser, Wolfgang
  • Droll, Martin
  • Seewald, Oliver
  • Niesen-Warkentin, Evgenija
  • Schachtsiek, Lars
  • Traut, Manuel
  • Schwamb, Michael
  • Wasserfallen, Daniel
  • Sotke, Vera
  • Frenkel, Aliaksandr
  • Eilinghoff, Ron
  • Gerold, Stephanie

Abstract

The invention relates to a method for coating surfaces, to a corresponding coating, and to the use of the objects coated in accordance with said method. In accordance with the invention the object is achieved by a method for coating metallic surfaces of substrates that comprises or consists of the following steps: I) providing a substrate having a cleaned metallic surface, II) contacting and coating metallic surfaces with an aqueous composition in dispersion and/or suspension form, III) optionally rinsing the organic coating, and IV) drying and/or baking the organic coating or V) optionally drying the organic coating and coating it with a similar or further coating composition prior to drying and/or baking, characterized in that the coating in step II is carried out with an aqueous composition in dispersion and/or suspension form that comprises a complex fluoride, and at least one anionic polyelectrolyte is added to a nonionically or anionically/nonionically stabilized dispersion of film-forming polymers and/or to a suspension of film-forming inorganic particles and a coating forms that is based on an ionogenic gel comprising cations dissolved out of the metallic surface.

IPC Classes  ?

  • B05D 7/14 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
  • B05D 7/16 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies using synthetic lacquers or varnishes
  • C09D 5/08 - Anti-corrosive paints
  • C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C08F 2/18 - Suspension polymerisation
  • C09D 101/02 - Cellulose; Modified cellulose
  • C09D 103/02 - Starch; Degradation products thereof, e.g. dextrin
  • C09D 103/12 - Amylose; Amylopectin; Degradation products thereof
  • C09D 105/00 - Coating compositions based on polysaccharides or on their derivatives, not provided for in groups or
  • C09D 105/12 - Agar-agar; Derivatives thereof
  • C09D 189/00 - Coating compositions based on proteins; Coating compositions based on derivatives thereof
  • C09D 189/06 - Products derived from waste materials, e.g. horn, hoof or hair derived from leather or skin
  • C09D 197/00 - Coating compositions based on lignin-containing materials
  • C23C 22/74 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process for obtaining burned-in conversion coatings
  • C09D 105/06 - Pectin; Derivatives thereof
  • C09D 105/08 - Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
  • B05D 1/18 - Processes for applying liquids or other fluent materials performed by dipping

63.

PROCESS FOR COATING METALLIC SURFACES OF SUBSTRATES AND ARTICLES COATED BY THIS PROCESS

      
Application Number EP2015054105
Publication Number 2015/128449
Status In Force
Filing Date 2015-02-27
Publication Date 2015-09-03
Owner CHEMETALL GMBH (Germany)
Inventor
  • Bremser, Wolfgang
  • Droll, Martin
  • Seewald, Oliver
  • Niesen-Warkentin, Evgenija
  • Schachtsiek, Lars
  • Traut, Manuel
  • Schwamb, Michael
  • Wasserfallen, Daniel
  • Sotke, Vera
  • Frenkel, Aliaksandr
  • Eilinghoff, Ron
  • Gerold, Stephanie
  • Khelfallah, Nawel

Abstract

The invention relates to a process for coating metallic surfaces of substrates with aqueous compositions, also called coating compositions hereinafter, in the form of a dispersion and/or suspension which contains at least one stabilized binder and a gel former and forms a coating based on an ionic gel with the cations leached out of the metallic surface in a pretreatment stage and/or during the contacting, in which the coating is effected by: I. providing a substrate with a cleaned metallic surface, II. contacting and coating metallic surfaces with a first aqueous composition in the form of dispersion and/or suspension, III. optionally rinsing the organic coating, IV. optionally drying the organic coating and V. coating with at least one further coating composition prior to drying and crosslinking all the layers applied, where the stabilized binders must fulfill the condition that a) an aqueous mixture of demineralized water, 0.2% to 2% by weight of the gel former and 5% to 20% by weight of the stabilized binder; b) is adjusted to a pH of 1 to 7; c) a cleaned substrate is dipped into the mixture according to b) at room temperature for at least 1 minute and d) a check is made as to whether an organic coating of at least 1 µm has been deposited, wherein e) a test is additionally conducted without gel former, in which a mixture of demineralized water and 5% to 20% by weight of the dispersion to be examined is produced; f) the mixture produced in e) is likewise adjusted to a pH of 1 to 7 and g) the test described in c) and d) is repeated.

IPC Classes  ?

  • B05D 7/14 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
  • B05D 1/18 - Processes for applying liquids or other fluent materials performed by dipping
  • C09D 5/08 - Anti-corrosive paints
  • B05D 3/02 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking

64.

METHOD FOR REMOVING SUBSTRATES PROVIDED WITH ORGANIC COATINGS

      
Application Number EP2015052203
Publication Number 2015/117959
Status In Force
Filing Date 2015-02-03
Publication Date 2015-08-13
Owner CHEMETALL GMBH (Germany)
Inventor
  • Eilinghoff, Ron
  • Schwamb, Michael
  • Wasserfallen, Daniel
  • Sotke, Vera
  • Frenkel, Aliaksandr
  • Gerold, Stephanie
  • Bremser, Wolfgang
  • Droll, Martin
  • Seewald, Oliver
  • Niesen-Warkentin, Evgenija
  • Schachtsiek, Lars
  • Traut, Manuel

Abstract

The invention relates to a method for removing a substrate that is coated with an organic coated coating by means of ionogenic gel formation. In said method, a wet or dry organic coating that has not yet formed a film on the substrate is treated with an aqueous solution of a metal salt from main group I in the periodic table of the elements, a complexing agent and/or a basic compound having a pH value ᡶ10.

IPC Classes  ?

  • C23G 1/18 - Organic inhibitors
  • C09D 9/00 - Chemical paint or ink removers
  • C23C 18/18 - Pretreatment of the material to be coated
  • C23G 1/14 - Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
  • C23G 1/24 - Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
  • C23G 1/26 - Cleaning or pickling metallic material with solutions or molten salts with neutral solutions using inhibitors

65.

METHOD FOR COATING METAL SURFACES, SUBSTRATES COATED IN THIS WAY, AND USE THEREOF

      
Application Number EP2015051272
Publication Number 2015/110541
Status In Force
Filing Date 2015-01-22
Publication Date 2015-07-30
Owner CHEMETALL GMBH (Germany)
Inventor
  • Demeyere, Korneel
  • Willumeit, Thomas
  • Walter, Manfred

Abstract

The invention relates to a method for coating metal surfaces with an acidic aqueous conversion composition which contains: in total 0.01 to 1 g/l of TiF62+, ZrF62+ and/or HfF62 calculated as ZrF62+, 0 or 0.01 to 1 g/l in each case of Fe2+, Mn and/or Zn ions, of which at least one type of these ions is present in a content range from 0.01 to 1 g/l, 0 or 0.01 to 2 g/l of organic polymer and/or copolymer, 0 or 0.01 to 2 g/l of ultrafine particulate SiO2, approximately 0 or 0.01 to 10 g/l of at least one surfactant, approximately 0 or 0.05 to 10 g/l of anions of carbonate, nitrate and/or sulphate, and 0 or 0.001 to 2 g/l of carboxylate and/or sulphonate anions, wherein the content of molybdate and/or of P-containing oxy anions is in each case < 0.1 g/l or is approximately 0 g/l, and wherein the composition has a pH value in the range from 2.5 to 6.5. The invention also relates to a corresponding coating and to the use of the substrates coated in this way.

IPC Classes  ?

  • C23C 22/36 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides containing also phosphates
  • C23C 22/44 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing molybdates, tungstates or vanadates containing also fluorides or complex fluorides
  • C23C 22/83 - Chemical after-treatment
  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides

66.

METHOD FOR PREPARING SHAPED METAL BODIES FOR COLD WORKING

      
Application Number EP2014072191
Publication Number 2015/055756
Status In Force
Filing Date 2014-10-16
Publication Date 2015-04-23
Owner CHEMETALL GMBH (Germany)
Inventor
  • Güttler, Benjamin
  • Schneider, Ralf
  • Hollmann, Frank
  • De Luis Garcia, Gorka
  • Nieves Quintana, Iñaki
  • Orben, Martin
  • Schwinke-Kruse, Norbert

Abstract

The invention relates to a method for treating shaped bodies having a steel surface having a carbon content in the range of 0 to 2.06 wt% and a chromium content in the range of 0 to ឬ10 wt% before cold working, wherein at least one shaped body is brought in contact with an aqueous acidic composition in order to form a conversion layer as a separating layer, wherein the aqueous acidic composition is prepared only with a formulation that consists substantially of water, 2 to 500 g/L of oxalic acid, and a) 0.01 to 20 g/L of at least one accelerator based on guanidine and/or b) 0.01 to 20 g/L of at least one nitrate and optionally of pigment, surfactant, and/or thickening agent, wherein the pickling removal of the aqueous acidic composition is in the range of 1 to 6 g/m2, wherein the layer weight of a dried conversion layer is in the range of 1.5 to 15 g/m2, wherein the ratio of pickling removal to layer weight PR : LW of the dried conversion layer is in the range of (0.30 to 0.75) : 1 and wherein the dried conversion layer forms a firmly adhering coating.

IPC Classes  ?

  • C23C 22/46 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing oxalates
  • C23C 22/83 - Chemical after-treatment
  • C10M 173/02 - Lubricating compositions containing more than 10% water not containing mineral or fatty oils

67.

FISSURE-DETECTION AGENT, METHOD FOR THE PRODUCTION THEREOF AND USE OF THE FISSURE-DETECTION AGENT

      
Application Number EP2014071407
Publication Number 2015/052164
Status In Force
Filing Date 2014-10-07
Publication Date 2015-04-16
Owner CHEMETALL GMBH (Germany)
Inventor
  • Bons, Peter
  • Rein, Rüdiger
  • Wörner, Jörg
  • Aiston, Finlay

Abstract

The invention relates to fissure-detection agents for fault detection according to the penetration method of metallic and/or non-metallic components, which are a micro-emulsion comprising at least 10 wt.% of water A), at least 0.1 wt.% of at least one dye B), at least 5 wt.% of at least one substantially water-insoluble liquid phase C) and at least 2 wt.% of at least one surfactant D) selected from non-ionic, anionic and/or amphoteric surfactants, the sum of all constituents being 100 wt.%, wherein the fissure-detection agent has a mean particle size in the range of 1 to 250 nm and a transparency of at least 70 % at 600 nm. The invention also relates to the production of said fissure-detection agents, to a process for their preparation or/and disposal, and their use.

IPC Classes  ?

  • G01N 21/91 - Investigating the presence of flaws, defects or contamination using penetration of dyes, e.g. fluorescent ink
  • C09B 67/42 - Preparations of dyes not provided for in a single one of groups
  • G01M 3/22 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for valves
  • C09B 67/22 - Mixtures of different pigments or dyes or solid solutions of pigments or dyes

68.

NOZZLE ADJUSTMENT AID, AND METHOD

      
Application Number EP2014066715
Publication Number 2015/018788
Status In Force
Filing Date 2014-08-04
Publication Date 2015-02-12
Owner CHEMETALL GMBH (Germany)
Inventor
  • Aporta, Werner
  • Schöne, Axel

Abstract

The invention relates to a nozzle adjustment aid (A) for a liquid spray nozzle (B) for the testing, positioning and/or adjusting of at least one nozzle (B) for spraying operations in surface engineering plants, in which the nozzle adjustment aid (A) has a nozzle adapter (F) and at least two positioned and aligned light sources (H, M) with sharp concentration and/or with focusing, by means of which at least two light beams (J, P) can be generated approximately along the nozzle central line and/or approximately along at least one boundary line at the boundary of the theoretical spray area (C) or approximately along at least two preferably oppositely situated boundary lines, which light beams are substantially intended to indicate the position and size of the theoretical spray area (C). The invention also relates to a method for improving the spraying operation in a surface engineering plant, in which method a nozzle adjustment aid (A) according to the invention is used for the testing, positioning and/or adjustment of at least one nozzle in a surface engineering plant.

IPC Classes  ?

  • B05B 12/00 - Arrangements for controlling delivery; Arrangements for controlling the spray area
  • B05B 12/12 - Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material discharged, of ambient medium or of target responsive to conditions of ambient medium or target, e.g. humidity, temperature

69.

METHOD FOR COATING METAL SURFACES OF SUBSTRATES, AND OBJECTS COATED ACCORDING TO SAID METHOD

      
Application Number EP2014065281
Publication Number 2015/007789
Status In Force
Filing Date 2014-07-16
Publication Date 2015-01-22
Owner CHEMETALL GMBH (Germany)
Inventor
  • Wasserfallen, Daniel
  • Schwamb, Michael
  • Frenkel, Aliaksandr
  • Sotke, Vera
  • Bremser, Wolfgang
  • Droll, Martin
  • Seewald, Oliver
  • Eilinghoff, Ron
  • Gerold, Stephanie
  • Niesen, Evgenija
  • Schachtsiek, Lars
  • Traut, Manuel
  • Klöpzig, Philipp

Abstract

The invention relates to a method for coating surfaces, to a corresponding coating, and to the use of the objects coated according to said method. According to the invention, the method has or consists of the following steps: I. providing a substrate with a cleaned surface, II. contacting and coating the surfaces with an aqueous composition in the form of a dispersion and/or suspension, VI. if necessary rinsing the organic coating, and VII. drying and/or baking the organic coating or VIII. if necessary drying the organic coating and carrying out a coating process using a similar or additional coating composition prior to a drying and/or baking process, wherein between step I and step II, the coating process is carried out using an aqueous composition in the form of a dispersion and/or suspension on the basis of a colloidal silicate sol, which incorporates multivalent metal cations, or a silane- or silicate-modified polymer and if necessary a rinsing process is carried out.

IPC Classes  ?

  • C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material

70.

METHOD FOR COATING METAL SURFACES OF SUBSTRATES AND OBJECTS COATED IN ACCORDANCE WITH SAID METHOD

      
Application Number EP2014064857
Publication Number 2015/004256
Status In Force
Filing Date 2014-07-10
Publication Date 2015-01-15
Owner CHEMETALL GMBH (Germany)
Inventor
  • Wasserfallen, Daniel
  • Schwamb, Michael
  • Frenkel, Aliaksandr
  • Sotke, Vera
  • Bremser, Wolfgang
  • Droll, Martin
  • Seewald, Oliver
  • Eilinghoff, Ron
  • Gerold, Stephanie
  • Niesen, Evgenija
  • Schachtsiek, Lars
  • Traut, Manuel

Abstract

The invention relates to a method for coating surfaces, to a corresponding coating, and to the use of the objects coated in accordance with said method. The invention relates to a method for coating metal surfaces of substrates, comprising or consisting of the following steps: I. providing a substrate having a cleaned metal surface, II. contacting and coating metal surfaces with an aqueous composition in the form of a dispersion and/or suspension, IX. optionally rinsing the organic coating, and X. drying and/or baking the organic coating or XI. optionally drying the organic coating and coating with a coating composition of the same type or a further coating composition before a drying process and/or baking process, wherein in step II the coating is performed with an aqueous composition in the form of a dispersion and/or suspension containing 2.5 to 45 wt% of at least one non-ionic stabilized binder and 0.1 to 2.0 wt% of a gelling agent, wherein the aqueous composition has a pH value in the range of 0.5 to 7 and forms, with the cations eluted from the metal surface in the pretreatment step and/or during the contacting in step II, a coating based on an ionogenic gel.

IPC Classes  ?

  • C09D 5/08 - Anti-corrosive paints
  • B05D 7/14 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
  • B05D 7/16 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies using synthetic lacquers or varnishes
  • B05D 1/18 - Processes for applying liquids or other fluent materials performed by dipping

71.

METHOD FOR COATING METALLIC SURFACES FOR PREVENTING PINHOLES ON ZINC-CONTAINING METAL SURFACES

      
Application Number EP2014052383
Publication Number 2014/124866
Status In Force
Filing Date 2014-02-07
Publication Date 2014-08-21
Owner CHEMETALL GMBH (Germany)
Inventor
  • Mrochem, Martin
  • Specht, Jürgen
  • Wietzoreck, Hardy
  • Dahlenburg, Olaf

Abstract

The invention relates to the use of a silane additive in an aqueous cleaning composition, in an aqueous rinsing liquid or/and in an aqueous activation composition for preventing pinholes on zinc-containing metal surfaces. According to the invention, the silane content in at least one of said aqueous compositions is in the range of 0.001 to 5g/l.

IPC Classes  ?

  • C23C 22/78 - Pretreatment of the material to be coated
  • C23C 22/80 - Pretreatment of the material to be coated with solutions containing titanium or zirconium compounds
  • C23C 22/36 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides containing also phosphates
  • C23G 1/20 - Other heavy metals

72.

METHOD FOR COATING METAL SURFACES OF SUBSTRATES, AND OBJECTS COATED ACCORDING TO SAID METHOD

      
Application Number EP2013074575
Publication Number 2014/080007
Status In Force
Filing Date 2013-11-25
Publication Date 2014-05-30
Owner CHEMETALL GMBH (Germany)
Inventor
  • Wasserfallen, Daniel
  • Schwamb, Michael
  • Frenkel, Aliaksandr
  • Sotke, Vera
  • Bremser, Wolfgang
  • Droll, Martin
  • Seewald, Oliver
  • Eilinghoff, Ron
  • Gerold, Stephanie
  • Niesen, Evgenija
  • Schachtsiek, Lars
  • Traut, Manuel

Abstract

The invention relates to a method for coating surfaces, to a corresponding coating, and to the use of the objects coated according to said method. According to the invention, this is achieved by a method for coating metal surfaces of substrates, having the following steps or consisting of the following steps: I. providing a substrate with a cleaned metal surface, II. contacting and coating metal surfaces with an aqueous composition in the form of a dispersion and/or a suspension, III. optionally rinsing the organic coating, and IV. drying and/or baking the organic coating or V. optionally drying the organic coating and coating same with a similar or another coating composition prior to drying and/or baking. The invention is characterized in that the coating process in step II is carried out using an aqueous composition in the form of a dispersion and/or a suspension, said composition containing a complex fluoride selected from the group consisting of hexa- or tetrafluorides of the elements titanium, zirconium, hafnium, silicon, aluminum, and/or boron in a quantity of 1.110 - 6 mol/l to 0.30 mol/l based on the cations, wherein at least one anionic polyelectrolyte, in a quantity of 0.01 to 5.0 wt.% based on the total mass of the resulting mixture, is added to an anionically stabilized dispersion made of film-forming polymers and/or a suspension made of film-forming inorganic particles with a solids content of 2 to 40 wt.% and an average particle size of 10 to 1000 nm, said dispersion and/or suspension being stable in the pH value range of 0.5 to 7.0. The aqueous composition has a pH value ranging from 0.5 to 7.0 and forms a coating based on an ionogenic gel which binds cations released from the metal surface, said cations originating from a pretreatment stage and/or from the contacting process in step II.

IPC Classes  ?

  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C23C 22/74 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process for obtaining burned-in conversion coatings
  • C09D 5/08 - Anti-corrosive paints
  • C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
  • C09D 7/12 - Other additives
  • C09D 103/14 - Amylose derivatives; Amylopectin derivatives
  • C09D 105/00 - Coating compositions based on polysaccharides or on their derivatives, not provided for in groups or
  • C09D 105/06 - Pectin; Derivatives thereof
  • B05D 7/14 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
  • B05D 7/16 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies using synthetic lacquers or varnishes

73.

METHOD FOR COATING METALLIC SURFACES WITH NANOCRYSTALLINE ZINC OXIDE LAYERS, AQUEOUS COMPOSITIONS THEREFOR AND USE OF THE SURFACES COATED IN THIS WAY

      
Application Number EP2013073668
Publication Number 2014/076105
Status In Force
Filing Date 2013-11-13
Publication Date 2014-05-22
Owner CHEMETALL GMBH (Germany)
Inventor
  • Özcan, Özlem
  • Grundmeier, Guido
  • Schubach, Peter

Abstract

The invention relates to a method for coating metallic surfaces with an aqueous composition, which contains an aqueous solution of a zinc salt, by flooding, spraying and/or immersion, characterized in that, for spraying or immersion, the initial temperature of the substrate lies in the range from 5 to 400°C, in that, for flooding, the initial temperature of the substrate lies in the range from 100 to 400°C and in that an anticorrosive nanocrystalline zinc oxide layer is formed on the metallic surface. The invention also relates to the corresponding aqueous composition, the nanocrystalline zinc oxide layer and the use of the coated substrates.

IPC Classes  ?

  • C01B 13/34 - Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of sprayed or atomised solutions
  • C01B 13/18 - Methods for preparing oxides or hydroxides in general by thermal decomposition of compounds, e.g. of salts or hydroxides
  • C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
  • C09D 1/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
  • C09D 5/08 - Anti-corrosive paints
  • C23C 22/68 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous solutions with pH between 6 and 8
  • C23C 22/73 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process

74.

SURFACE TREATMENT AGENT AND SURFACE TREATMENT METHOD

      
Application Number JP2013077203
Publication Number 2014/057899
Status In Force
Filing Date 2013-10-07
Publication Date 2014-04-17
Owner CHEMETALL GMBH (Germany)
Inventor
  • Yasuda, Kazufumi
  • Hirasawa, Hidekimi
  • Tsuge, Kenji
  • Mizuno, Akihiro
  • Shizuka, Ryohei

Abstract

The purpose of the present invention is to provide a surface treatment agent and a surface treatment method by which it is possible to increase adhesive properties between a resin-containing layer and the surface of a metal material, and to impart excellent corrosion resistance. This surface treatment agent is used to treat the surface of a metal material and is characterized by containing an acrylic resin that contains carboxyl groups and hydroxyl groups, an oxazoline group-containing compound, and metal particles, and in that the metal particles contain at least one type of metal selected from among the group consisting of Nb, Ca and Nd. In addition, it is preferable for the metal particles to be a niobium oxide sol.

IPC Classes  ?

  • C23C 26/00 - Coating not provided for in groups
  • C09D 5/10 - Anti-corrosive paints containing metal dust
  • C09D 133/00 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, a; Coating compositions based on derivatives of such polymers
  • H01M 2/02 - Cases, jackets or wrappings
  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
  • H01M 4/66 - Selection of materials

75.

PROCESS FOR COATING METALLIC SURFACES WITH COATING COMPOSITIONS CONTAINING PARTICLES OF A LAYERED DOUBLE HYDROXIDE

      
Application Number EP2013058032
Publication Number 2013/156541
Status In Force
Filing Date 2013-04-17
Publication Date 2013-10-24
Owner
  • CHEMETALL GMBH (Germany)
  • AIRBUS DEFENCE AND SPACE GMBH (Germany)
  • MANKIEWICZ GEBR. & CO. GMBH & CO. KG (Germany)
  • UNIVERSIDADE DE AVEIRO (Portugal)
Inventor
  • Ferreira, Mario
  • Zheludkevich, Mikhail
  • Tedim, Joáo
  • Gandubert, Valérie
  • Schmidt-Hansberg, Thomas
  • Hack, Theo
  • Nixon, Sonja
  • Raps, Dominik
  • Becker, Diana
  • Schröder, Sven

Abstract

The invention relates to a process of coating a metallic surface with a composition for coating with a pretreatment composition prior to organic coating, with a passivation composition without intent for subsequent organic coating, with a pretreatmentprimer composition, with a primer composition, with a paint composition or with an electrocoating composition, wherein each one coating composition or the thereof generated coating contains particles on the base of at least one layered double hydroxide (LDH) phase showing the general formula [1]: [M2+(1 ± 0.5) - x (M3+,M4+)x(OH)2± 0.75] An- x / n ⋅ mH2O, wherein M2+, M3+ and M4+ are certain divalent, trivalent resp. tetravalent cations, wherein there is no need that cations M3+ are present or there is no need that cations M4+ are present, wherein the anions A and/or neutral or charged molecules A including assemblies with molecules A are selected from the group consisting of anions of hydroxide, fluorides, carbonates, nitrates, sulfates, chromate, chromite, molybdates, phosphomolybdates, phosphates, phosphonates, tungstates, vanadates, azoles, carboxylates, dodecylbenzenes, phenolic compounds, anionic surfactants and biomolecules, and/or wherein each one coating composition or the thereof generated coating contains their at least partially calcined and/or their partially or totally calcined and then rehydrated LDH particles primarily based on a mixture of substances selected from the group consisting of oxides, double oxides, multiple oxides, hydroxides, at least one LDH phase, further anions A and molecules A.

IPC Classes  ?

  • B05D 3/10 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
  • B05D 7/00 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
  • C09D 5/08 - Anti-corrosive paints

76.

MATRICES AND SEALANTS WHICH ARE BASED ON SULFUR-CONTAINING POLYMERS AND WHICH COMPRISE A PHOTOINITIATOR, CURING AND COATING METHODS, AND USE OF SAID MATRICES AND SEALANTS

      
Application Number EP2013057353
Publication Number 2013/153047
Status In Force
Filing Date 2013-04-09
Publication Date 2013-10-17
Owner CHEMETALL GMBH (Germany)
Inventor
  • Kralev, Miroslav
  • Sievers, Björn
  • Bons, Peter
  • Diez, Francisco

Abstract

The invention relates to a method for curing a mixture of a matrix and a curing agent based on sulfur-containing polymers, said curing process being carried out on command and so rapidly that a tack-free surface of the sealant is achieved in a tack-free time of 0.05 to 5 minutes starting from the beginning of the curing process. The invention also relates to a method for coating a substrate with a mixture of a matrix and a curing agent in order to produce and cure a sealant, said matrix and curing agent containing sulfur-containing polymers. The mixture is an uncured mixture with an isocyanate content, and the matrix is uncured and contains a mercaptan-terminated base polymer based on polyether, polythioether, polysulfide, copolymers thereof, and/or mixtures thereof, wherein the uncured matrix, the curing agent, or both contain at least one photoinitiator based on sterically-inhibited tertiary amines. At least one photoinitiator releases at least one radical per tertiary amine-based molecule under the effect of high-energy actinic radiation, and an active catalyst is formed from said radical in particular by means of hydrogen absorption, said catalyst acting as a catalyst for the curing process of the sealant. The mixture cures in the temperature range of -10 to +70 °C after the high-energy actinic radiation is applied, and the mixture is referred to as a sealant starting from the beginning of the curing process. The invention further relates to corresponding matrices A, mixtures B, curing agents, sealant systems, and aircraft containing same.

IPC Classes  ?

  • C09D 181/00 - Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon only; Coating compositions based on polysulfones; Coating compositions based on derivatives of such polymers

77.

METHOD FOR COATING METALLIC SURFACES OF SUBSTRATES, AND OBJECTS COATED ACCORDING TO SAID METHOD

      
Application Number EP2013052363
Publication Number 2013/117611
Status In Force
Filing Date 2013-02-07
Publication Date 2013-08-15
Owner CHEMETALL GMBH (Germany)
Inventor
  • Wasserfallen, Daniel
  • Schwamb, Michael
  • Frenkel, Aliaksandr
  • Sotke, Vera
  • Bremser, Wolfgang
  • Droll, Martin
  • Seewald, Oliver
  • Eilinghoff, Ron
  • Gerold, Stephanie
  • Niesen, Evgenija
  • Schachtsiek, Lars
  • Traut, Manuel

Abstract

The invention relates to a method for coating surfaces, a corresponding coating and the use of objects coated according to said method. According to the invention, the problem is addressed by a method for coating metallic surfaces of substrates comprising or consisting of the steps: I. Providing a substrate with a cleaned, metallic surface, II. Contacting and coating metallic surfaces with an aqueous composition in the form of a dispersion and/or suspension, IX. If applicable, rinsing the organic coating and X. Drying and/or baking the organic coating or XI. If applicable, drying the organic coating and coating with an equivalent or additional coating composition prior to a drying and/or baking, characterised in that, in step II, the coating takes place with an aqueous composition in the form of a dispersion and/or suspension, wherein at least one anionic polyelectrolyte, in a quantity of 0.01 to 5.0 wt.% relative to the total mass of the resulting mixture, is added to a dispersion of film-forming polymers and/or a suspension of film-forming inorganic particles having a solids content of 2 to 40 wt.% and an average particle size from 10 to 1000 nm, wherein the aqueous composition has a pH value in the range of 4 to 11 and forms a coating on the basis of an ionogenic gel which binds cations released from the metallic surface and said cations originate from a pretreatment stage and/or from the contacting in step II.

IPC Classes  ?

  • B05D 7/14 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
  • B05D 7/16 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies using synthetic lacquers or varnishes
  • B05D 1/18 - Processes for applying liquids or other fluent materials performed by dipping

78.

METHOD FOR COATING METALLIC SURFACES WITH A MULTI-COMPONENT AQUEOUS COMPOSITION

      
Application Number EP2012070929
Publication Number 2013/060662
Status In Force
Filing Date 2012-10-23
Publication Date 2013-05-02
Owner CHEMETALL GMBH (Germany)
Inventor
  • Kolberg, Thomas
  • Schubach, Peter
  • Walter, Manfred
  • Komp, Carola
  • Dröge, Michael

Abstract

The invention relates to a method for improving the throwing power of an electrodeposition coating, by coating metallic surfaces with a pretreatment composition comprising silane/silanol/siloxane/polysiloxane, said composition comprising, as well as water, a) at least one compound a) selected from silanes, silanols, siloxanes and polysiloxanes, of which at least one of these compounds is still able to condense, and comprising b) at least one titanium-, hafnium- and/or zirconium-containing compound b), and also comprising c) at least one kind of cations c) selected from cations of metals from transition groups 1 to 3 and 5 to 8, including lanthanides, and also from main group 2 of the Periodic Table of the Elements, and/or at least one corresponding compound c), and/or comprising d) at least one organic compound d) selected from monomers, oligomers, polymers and copolymers, including block copolymers; the coating freshly applied with this composition is rinsed at least once with water, wherein a) at least one water rinse comprises surfactant and/or wherein b) the substrates prior to the silane-based pretreatment are treated at least once with an iron-containing aqueous composition, and, after the water rinse, an electrodeposition coating is applied, the coating freshly applied with this composition not being through-dried before said rinsing, so that the at least one condensable compound a) does not condense to a great extent before the rinsing of the pretreatment coating with water and/or before being coated with an electrocoat material.

IPC Classes  ?

  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C25D 13/20 - Pretreatment
  • C23C 22/78 - Pretreatment of the material to be coated
  • C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
  • C23C 22/80 - Pretreatment of the material to be coated with solutions containing titanium or zirconium compounds
  • C23C 22/83 - Chemical after-treatment

79.

PAINT PRETREATMENT AGENT FOR COATING-TYPE PAINT, AND COATING-TYPE PAINTING METHOD

      
Application Number JP2012076492
Publication Number 2013/054905
Status In Force
Filing Date 2012-10-12
Publication Date 2013-04-18
Owner
  • NIPPON PAINT CO., LTD. (Japan)
  • CHEMETALL GMBH (Germany)
Inventor
  • Toi, Teruzo
  • Inoue, Minoru

Abstract

This paint pretreatment agent for coating-type paint contains (A) one or more metal elements selected from a group consisting of zirconium, titanium and hafnium, (B) fluorine, and (C) one or more coupling agents from an amino group-containing silane coupling agent, a hydrolyzate thereof, and a polymer thereof, and (D) a component comprising at least one of allylamine and polyallylamine, wherein the mass ratio (C/D) of the coupling agent (C) to the component (D) is 1 or greater. This coating-type painting method involves a chemical treatment step in which the paint pretreatment agent is used to chemically treat the metal substrate, and a coating-type painting step in which the chemically treated metal substrate is coated with a coating-type paint. When forming a coating film by means of the coating-type paint on the metal substrate surface which has undergone coating pretreatment, the present invention makes it possible to achieve a coating with excellent adhesion, salt water resistance, and impact resistance.

IPC Classes  ?

  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • B05D 3/10 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means

80.

AMINE-FREE VOC-FREE METAL WORKING FLUID

      
Application Number EP2012058086
Publication Number 2012/152639
Status In Force
Filing Date 2012-05-03
Publication Date 2012-11-15
Owner CHEMETALL GMBH (Germany)
Inventor Zhao, Yixing

Abstract

The present application concerns an aqueous metalworking composition comprising in a concentrate or after dilution of a concentrate with water in a diluent: 0.002 to 40 % by weight of component (a) which is a lubricity agent comprising at least one water-insoluble compound (a) having at least one hydrophobic aliphatic chain and at least one polar group and having a water solubility at 20 °C of less than 0.1 g/liter; 0.002 to 40 % by weight of component (b)comprising at least one water-soluble corrosion inhibiting compound(b) having a water-solubility at 20 °C of more than 0.1g/liter; 0.002 to 45 % by weight of at least one emulsifying and dispersing agent(c)which contains at least one emulsifying and/or dispersing compound (c) which is water-soluble, water-miscible or water-dispersable and which is selected from the group consisting of non-ionic, anionic and zwitterionic surfactants; 0.002to 30 % by weight of an alkalinity agent (d) containing at least one alkaline water-soluble compound (d) selected from the group consisting of hydroxides and carbonates;and 0.004 to 99 % by weight of a transport component(e)containing predominantly water. Further on, the present application concerns a method of use of such aqueous metalworking composition as a coolant, as a lubricant, etc., and concerns further on a method to prepare an aqueous metalworking composition and a metalworking process.

IPC Classes  ?

  • C10M 173/02 - Lubricating compositions containing more than 10% water not containing mineral or fatty oils

81.

CHEMICAL CONVERSION TREATMENT AGENT FOR SURFACE TREATMENT OF METAL SUBSTRATE, AND SURFACE TREATMENT METHOD OF METAL SUBSTRATE USING SAME

      
Application Number JP2012061887
Publication Number 2012/153766
Status In Force
Filing Date 2012-05-09
Publication Date 2012-11-15
Owner
  • NIPPON PAINT CO., LTD. (Japan)
  • Chemetall GmbH (Germany)
Inventor
  • Uchikawa Keita
  • Fuse Kiyoto

Abstract

This chemical conversion treatment agent for surface treatment of a metal substrate contains a co-condensate of a silane coupling agent (A), a silane coupling agent (B), the element fluorine, and at least one metal element selected from a group consisting of zirconium, titanium and hafnium. The silane coupling agent (A) has a tri- or di-alkoxysilane group and an amino group, and the silane coupling agent (B) is represented by general formula (1) [in the formula, R represents an alkylene group of 1-5 carbon atoms; Z represents a cyclohexyl group optionally having an epoxy group; a, b, and c are integers 0-3 fulfilling the conditions that the sum of a, b and c is 3 and the sum of a and b is 2-3; and x is an integer 1-3.].

IPC Classes  ?

  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides

82.

COATING COMPOSITION COMPRISING A SHEET SILICATE PIGMENT AND PROCESS FOR THE GENERATION OF A CLEAR OR TRANSLUCENT EMISSIVE COATING

      
Application Number EP2011068741
Publication Number 2012/059375
Status In Force
Filing Date 2011-10-26
Publication Date 2012-05-10
Owner CHEMETALL GMBH (Germany)
Inventor
  • Gruszka, Charles J.
  • Thompson, Aaron
  • Deemer, Michael
  • Smith, Noel

Abstract

The invention relates to a composition for applying a clear or translucent and colorless or nearly colorless emissive coating especially for cool roofing on a metallic surface comprising in a dispersion a) 50 to 300 g/L of at least one of clear or translucent organic polymeric substances of a binder, and b) 30 to 300 g/L of sheet silicate pigments having a TE value for the thermal emissivity of at least 0.40, having a particle size distribution of which d50 is in the range of 0.3 to 80 µm and having been comminuted, disintegrated, exfoliated or any combination of these to thin particles. There is further on provided a process for applying a clear or translucent and colorless or nearly colorless emissive coating especially for cool roofing on a metallic surface wherein a composition of the invention is applied on a metallic surface, wherein the coating is dried and wherein the dried coating has a coating weight in the range of from 0.2 to 2000 g/m2. There is further on provided a clear or translucent and colorless or nearly colorless emissive coating as prepared with a composition of the invention as well as a cool element like a cool roofing element.

IPC Classes  ?

  • C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
  • C09D 7/12 - Other additives
  • C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating

83.

AQUEOUS COMPOSITION FOR PRETREATING A METAL SURFACE BEFORE APPLYING ANOTHER COATING OR FOR TREATING SAID SURFACE

      
Application Number EP2011068742
Publication Number 2012/055908
Status In Force
Filing Date 2011-10-26
Publication Date 2012-05-03
Owner CHEMETALL GMBH (Germany)
Inventor
  • Bukeikhanova, Saule
  • Komander, Mathias

Abstract

The invention relates to an aqueous composition for pretreating a metal surface before applying another coating or for treating said surfaces. The aqueous composition is obtained by adding a) at least natrium, kalium, and/or ammonium water glass and b) at least one silane to water, the quantity ratio of a) to b) preferably ranging from 0.1 : 1 to 2 : 1 including the reaction products produced therefrom in each case.

IPC Classes  ?

  • C23C 22/48 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
  • C23C 22/53 - Treatment of zinc or alloys based thereon
  • C23C 22/56 - Treatment of aluminium or alloys based thereon
  • C23C 22/68 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous solutions with pH between 6 and 8
  • C23C 22/74 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process for obtaining burned-in conversion coatings
  • C23C 22/83 - Chemical after-treatment
  • C23C 22/60 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH > 8
  • C23C 22/66 - Treatment of aluminium or alloys based thereon
  • C09D 1/04 - Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
  • C09D 5/08 - Anti-corrosive paints

84.

STABILIZED, PURE LITHIUM METAL POWDER AND METHOD FOR PRODUCING THE SAME

      
Application Number EP2011066858
Publication Number 2012/052265
Status In Force
Filing Date 2011-09-28
Publication Date 2012-04-26
Owner CHEMETALL GMBH (Germany)
Inventor Wietelmann, Ulrich

Abstract

The invention relates to a stabilized lithium metal powder and to a method for producing the same, the stabilized, pure lithium metal powder having been passivated in an organic inert solvent under dispersal conditions with fatty acids or fatty acid esters according to the general formula (I) R-COOR', in which R stands for C10-C29 groups and R' for H or C1-C8 groups.

IPC Classes  ?

  • B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
  • C22C 1/04 - Making non-ferrous alloys by powder metallurgy
  • C22C 24/00 - Alloys based on an alkali or an alkaline earth metal
  • H01M 10/052 - Li-accumulators
  • H01M 4/04 - Processes of manufacture in general

85.

LOW-VISCOSITY, CONCENTRATED SOLUTIONS OF MAGNESIUM COMPLEXES FOR PRODUCING POLYMERIZATION CATALYSTS AND METHOD FOR PRODUCING THE SAME

      
Application Number EP2011066981
Publication Number 2012/041960
Status In Force
Filing Date 2011-09-29
Publication Date 2012-04-05
Owner CHEMETALL GMBH (Germany)
Inventor
  • Wietelmann, Ulrich
  • Röder, Jens
  • Emmel, Ute

Abstract

The invention relates to low-viscosity, concentrated complex solutions containing magnesium, which are produced by reacting a magnesium alkoxide with a carboxylic acid halogenide in a hydrocarbon-based solvent, and to a method for producing the same.

IPC Classes  ?

  • C07F 3/02 - Magnesium compounds
  • C08F 4/651 - Pretreating with non-metals or metal-free compounds
  • C08F 4/654 - Pretreating with metals or metal-containing compounds with magnesium or compounds thereof
  • C07C 31/30 - Alkali-metal or alkaline-earth-metal alcoholates

86.

METHOD FOR COATING SURFACES AND USE OF THE OBJECTS COATED USING SAID METHOD

      
Application Number EP2011065759
Publication Number 2012/034974
Status In Force
Filing Date 2011-09-12
Publication Date 2012-03-22
Owner CHEMETALL GMBH (Germany)
Inventor
  • Wasserfallen, Daniel
  • Schwamb, Michael
  • Ettrich, Cindy
  • Sotke, Vera
  • Droll, Martin
  • Seewald, Oliver
  • Bremser, Wolfgang

Abstract

The invention relates to a method for the currentless coating of substrates, comprising the steps of: I. providing a substrate, II. Optionally cleaning the substrate, III. applying an activation layer consisting of polyelectrolyte and/or salt with a first aqueous composition (= activation agent), IV. optionally intermediately drying the activation layer, V. rinsing the activation layer, wherein the activation layer is not removed completely, VI. contacting and coating the activated surfaces remaining after the rinsing with an aqueous composition in the form of a solution, emulsion and/or suspension to form an organic subsequent layer (= precipitation layer), VII. optionally rinsing the subsequent layer, and VIII. drying, wherein the activation layer is formed with an aqueous activation agent in the form of a solution, emulsion and/or suspension, which contains at least one cationic polyelectrolyte and/or at least one cationically active salt dissolved in water, wherein the aqueous composition for forming the subsequent layer has components which can be precipitated, condensed and/or salted out, are stabilised anionically, zwitterionically, sterically and/or cationically, and do not affect anionically and cationically stabilised components, and wherein the dry film formed thereby and consisting of the activation layer and the subsequent layer has a thickness of at least 1 µm.

IPC Classes  ?

  • B05D 7/14 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
  • B05D 7/00 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
  • B05D 1/18 - Processes for applying liquids or other fluent materials performed by dipping

87.

METHOD FOR COATING SURFACES AND USE OF THE ARTICLES COATED USING SAID METHOD

      
Application Number EP2011065764
Publication Number 2012/034976
Status In Force
Filing Date 2011-09-12
Publication Date 2012-03-22
Owner CHEMETALL GMBH (Germany)
Inventor
  • Wasserfallen, Daniel
  • Schwamb, Michael
  • Ettrich, Cindy
  • Sotke, Vera
  • Droll, Martin
  • Seewald, Oliver
  • Bremser, Wolfgang
  • Frenkel, Aliaksandr

Abstract

The invention relates to a method for the currentless coating of substrates comprising the steps of: I. providing a substrate, II. optionally cleaning the substrate, III. applying an activation layer of polyelectrolyte and/or salt with a first aqueous composition ( = activating agent), IV. optionally intermediately drying the activation layer, V. rinsing the activation layer, wherein the activation layer is not completely removed, VI. contacting and coating the activated surfaces remaining after the rinsing with an aqueous composition in the form of a solution, emulsion and/or suspension for forming an organic subsequent layer (= precipitation layer), VII. optionally rinsing the subsequent layer, and VIII. drying, wherein the activation layer is formed with an aqueous activating agent in the form of a solution, emulsion and/or suspension containing at least one anionic polyelectrolyte and/or at least one anionically acting salt dissolved in water, wherein for forming the subsequent layer the aqueous composition has components which can be precipitated, deposited and/or salted out and are stabilised anionically, zwitterionically, sterically and/or cationically, wherein anionically and cationically stabilised components are not affected, and wherein the dry film formed from the activation layer and the subsequent layer has a thickness of at least 1 μm.

IPC Classes  ?

  • B05D 7/14 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
  • B05D 7/00 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
  • B05D 1/18 - Processes for applying liquids or other fluent materials performed by dipping

88.

METHOD FOR COATING METALLIC SURFACES WITH A POLYMER-CONTAINING COATING AGENT, THE COATING AGENT AND USE THEREOF

      
Application Number EP2011065506
Publication Number 2012/032102
Status In Force
Filing Date 2011-09-08
Publication Date 2012-03-15
Owner CHEMETALL GMBH (Germany)
Inventor
  • Krüger, Mike
  • Grünberg, Petra
  • Schneider, Mark Andre
  • Domes, Heribert

Abstract

The invention relates to a method for coating metallic surfaces with an aqueous composition as a solution or dispersion, in which the composition contains a) at least one phosphate, b) at least 0.1 g/l of at least one titanium or/and zirconium compound, c) at least one complexing agent, d) cations of aluminium, chromium(III) or/and zinc or/and at least one compound having a content of aluminium, chromium(III) or/and zinc and e) 1 to 500 g/l of at least one acid-tolerant, cationic or nonionic organic polymer/copolymer, based on the content of the solids and active ingredients of these additives.

IPC Classes  ?

  • C23C 22/36 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides containing also phosphates
  • C23C 22/44 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing molybdates, tungstates or vanadates containing also fluorides or complex fluorides
  • C09D 5/08 - Anti-corrosive paints

89.

PROCESS FOR THE ELECTROLESS COPPER PLATING OF METALLIC SUBSTRATES

      
Application Number EP2011063752
Publication Number 2012/022660
Status In Force
Filing Date 2011-08-10
Publication Date 2012-02-23
Owner CHEMETALL GMBH (Germany)
Inventor Kleinle, Michael

Abstract

The invention relates to a process for treating a metallic surface of an object with an aqueous copper-plating solution, with which a first copper-plating solution, which is free of cyanide and free of strong reducing agent, is electrolessly applied to clean metallic surfaces of the object, or after pretreatment to cleaned metallic surfaces, to form a first copper layer or copper alloy layer as a barrier layer and/or as a conductive layer, and also to the use of the objects produced by the process according to the invention.

IPC Classes  ?

90.

INORGANIC CHROMIUM-FREE METAL SURFACE TREATMENT AGENT

      
Application Number JP2011063163
Publication Number 2011/155538
Status In Force
Filing Date 2011-06-08
Publication Date 2011-12-15
Owner
  • NIPPON PAINT CO., LTD. (Japan)
  • Chemetall GmbH (Germany)
Inventor
  • Miura, Yusuke
  • Shimakura, Toshiaki

Abstract

Disclosed is an inorganic chromium-free metal surface treatment agent that contains a metal X1-containing compound X, the ionic species of which containing the metal X1 become cations in an aqueous solution, and a metal Y1-containing compound Y, the ionic species of which containing the metal Y1 become anions in an aqueous solution. The total amount of the compound X is 0.01-10% by mass, the total amount of the compound Y is 0.01-10% by mass, and the molar ratio of the metal X1 in the cations to the metal Y1 in the anions is 0.1-5. The metal X1 is composed of at least one element that is selected from the group consisting of Ti, Zr and Al, and the metal Y1 is composed of at least one element that is selected from the group consisting of Ti, Zr, Si, B and Al. The inorganic chromium-free metal surface treatment agent does not substantially contain an organic resin.

IPC Classes  ?

  • C23C 22/36 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides containing also phosphates
  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C23C 22/42 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing molybdates, tungstates or vanadates containing also phosphates
  • C23C 22/44 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing molybdates, tungstates or vanadates containing also fluorides or complex fluorides

91.

METAL IMIDE COMPOUNDS AS ANODE MATERIALS FOR LITHIUM BATTERIES AND GALVANIC ELEMENTS WITH A HIGH STORAGE CAPACITY

      
Application Number EP2011055035
Publication Number 2011/121084
Status In Force
Filing Date 2011-03-31
Publication Date 2011-10-06
Owner CHEMETALL GMBH (Germany)
Inventor Wietelmann, Ulrich

Abstract

Metal imide compounds as anode materials for lithium batteries and galvanic elements with a high storage capacity. Metal imide compounds as highly capacitive anode materials for lithium batteries. The invention relates to a galvanic element, an anode material for use in a galvanic element and method for producing an active electrode material. The galvanic element contains the metal imide compounds of the general formula (I): Μ14-2xΜ2x(ΝΗ)2 ⋅ y M1NH2 (I), where M1 = alkali metal (Li, Na, K, Rb, Cs or any desired mixture thereof), M2 = alkaline earth metal element (Mg, Ca, Sr, Ba or any desired mixture thereof), and x and y independently of one another represent a number between 0 and 1 in the discharged state, or the metal imide compounds of the general formula (II): Li4M14-2xM2x(NH)2 ⋅ y LiH (II), where M1 = alkali metal (Li, Na, K, Rb, Cs or any desired mixture thereof), M2 = alkaline earth metal element (Mg, Ca, Sr, Ba or any desired mixture thereof), and x and y independently of one another represent a number between 0 and 1 in the charged state.

IPC Classes  ?

  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • C01B 6/04 - Hydrides of alkali metals, alkaline earth metals, beryllium or magnesium; Addition complexes thereof
  • C01B 21/06 - Binary compounds of nitrogen with metals, with silicon, or with boron
  • H01M 10/052 - Li-accumulators
  • H01M 4/04 - Processes of manufacture in general

92.

LEWIS ACID SOLUTIONS IN AN OXYGEN DONOR-CONTAINING SOLVENT OR SOLVENT MIXTURE

      
Application Number EP2011053788
Publication Number 2011/110691
Status In Force
Filing Date 2011-03-14
Publication Date 2011-09-15
Owner CHEMETALL GMBH (Germany)
Inventor
  • Wietelmann, Ulrich
  • Murso, Alexander
  • Lang, Sebastian

Abstract

The invention relates to solutions of Lewis acids selected from the halogen-containing Lewis acids of the elements of groups 8, 12 and 13 from the periodic table of elements, or mixtures of said Lewis acids, in aprotic, asymmetrically substituted ethers of formula (I) or in solvent mixtures that contain asymmetrically substituted ethers and hydrocarbons, and to the production of the solutions according to the invention. Said solutions can be used in the inorganic, organic and organometallic synthesis, where R1 ≠ R2 and R1, R2 independently of one another are selected from H, or from a functionalized or a non-functionalized branched or unbranched alkyl-, alkyloxy, cycloalkyl, cycloalkyloxy group having 1 to 20 C atoms or an aryl- or an aryloxy group having 1-12 C atoms, wherein in the event that R1 = H, R2 ≠ H.

IPC Classes  ?

  • B01J 31/22 - Organic complexes
  • B01J 31/02 - Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
  • B01J 31/26 - Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups
  • B01J 31/30 - Halides
  • C01B 35/06 - Boron halogen compounds
  • C01G 9/04 - Halides
  • C01G 49/10 - Halides
  • C07F 19/00 - Metal compounds according to more than one of main groups

93.

SURFACE-PASSIVATED LITHIUM METAL AND METHOD FOR THE PRODUCTION THEREOF

      
Application Number EP2010069901
Publication Number 2011/073324
Status In Force
Filing Date 2010-12-16
Publication Date 2011-06-23
Owner CHEMETALL GMBH (Germany)
Inventor Wietelmann, Ulrich

Abstract

The invention relates to a surface-passivated lithium metal, which has a composite top layer containing or consisting of at least two poorly soluble components containing lithium. The invention further relates to the production of the surface-passivated lithium metal such that lithium metal below 180 °C, thus in the solid state, is transformed into an inert, aprotic solvent with a passivating agent of the general formula Li[P(C2O4)3 - x/2 Fx] where x = 0, 2, or 4.

IPC Classes  ?

  • B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
  • B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder

94.

GALVANIC ELEMENTS CONTAINING OXYGEN-CONTAINING CONVERSION ELECTRODES

      
Application Number EP2010067756
Publication Number 2011/061256
Status In Force
Filing Date 2010-11-18
Publication Date 2011-05-26
Owner CHEMETALL GMBH (Germany)
Inventor Wietelmann, Ulrich

Abstract

The invention relates to a galvanic element, containing a substantially transition metal-free oxygen-containing conversion electrode, a transition metal-containing cathode, and an aprotic lithium electrolyte. The substantially transition metal-free oxygen-containing conversion electrode materials contain lithium hydroxide and/or lithium peroxide and/or lithium oxide, and in the charged state additionally contain lithium hydride, and are contained in a galvanic element, for example a lithium battery, as the anode. The invention further relates to methods for producing substantially transition metal-free oxygen-containing conversion electrode materials and to galvanic elements comprising substantially transition metal-free oxygen-containing conversion electrode materials.

IPC Classes  ?

  • H01M 10/052 - Li-accumulators
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 4/48 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides

95.

NITROGEN-CONTAINING HYDRIDE ANODES AND ELECTROCHEMICAL ELEMENTS CONTAINING NITROGEN-CONTAINING HYDRIDE ANODES

      
Application Number EP2010066176
Publication Number 2011/051290
Status In Force
Filing Date 2010-10-26
Publication Date 2011-05-05
Owner CHEMETALL GMBH (Germany)
Inventor Wietelmann, Ulrich

Abstract

The subject matter of the invention are transition-metal-free nitrogen-containing hydride anodes of the general formula LioNH3-o, where o = 1, 2 or 3, and wherein said transition-metal-free nitrogen-containing hydride anodes, in the charged state, are mixed with lithium hydride, and electrochemical elements, for example lithium batteries, which contain said transition-metal-free nitrogen-containing hydride anodes as the anode. The invention also describes methods for producing transition-metal-free nitrogen-containing hydride anode materials and electrochemical elements comprising transition-metal-free nitrogen-containing hydride anodes.

IPC Classes  ?

  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates

96.

ALUMINUM-BASED HYDRIDE ANODES AND GALVANIC ELEMENTS CONTAINING ALUMINUM-BASED HYDRIDE ANODES

      
Application Number EP2010006132
Publication Number 2011/042185
Status In Force
Filing Date 2010-10-07
Publication Date 2011-04-14
Owner CHEMETALL GMBH (Germany)
Inventor Wietelmann, Ulrich

Abstract

The invention relates to hydride anodes containing aluminum of the general formula (M1)m(M2)3-mAIH6, where M1 and M2 are an alkali element selected independently from one another from Li, Na and K,; m is a number between 1 and 3; n is a number ≥ 3, and galvanic elements, such as lithium batteries, containing as anodes said hydride anodes containing aluminum. The invention furthermore relates to a method for the production of galvanic elements having hydride anodes containing aluminum.

IPC Classes  ?

  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates

97.

CONCENTRATED SOLUTIONS OF ALKALINE-EARTH METAL OXIDES IN APROTIC SOLVENTS AND METHOD FOR THE PRODUCTION THEREOF

      
Application Number EP2010058550
Publication Number 2010/146122
Status In Force
Filing Date 2010-06-17
Publication Date 2010-12-23
Owner CHEMETALL GMBH (Germany)
Inventor
  • Wietelmann, Ulrich
  • Emmel, Ute
  • Röder, Jens
  • Steinbild, Martin
  • Papstein, Kay

Abstract

The invention relates to concentrated solutions of mixed alkaline-earth alkoxide compounds M(OCH2R6)2-x(OR7)x and an aluminum compound AI(OCH2R6)3-y(OR7)y in aprotic solvents, wherein: M is an alkaline-earth metal selected from among Mg, Ca, Ba, Sr; OCH2R6 is an alkoxide group comprising at least 3 and at most 40 C atoms and having a branch at the 2-position relative to the O- function, in other words R6 = -CHR8R9, wherein R8, R9 = alkyl groups C1 - C18 independently of each other; R7 is an alkyl group having 2-15 C atoms that is either linear or has a branch ≥ the 3-position; and the sum of x and y is a number between 0.01 and 0.8, preferably 0.02 and 0.3, and especially preferably 0.03 and 0.2.

IPC Classes  ?

  • C07C 29/70 - Preparation of metal-alcoholates by converting hydroxy groups to O-metal groups
  • C07C 31/30 - Alkali-metal or alkaline-earth-metal alcoholates
  • C07C 31/32 - Aluminium alcoholates
  • C07F 3/02 - Magnesium compounds
  • C07F 5/06 - Aluminium compounds
  • C08F 10/00 - Homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond

98.

METHOD FOR COATING METAL SURFACES IN A MULTI-STEP METHOD

      
Application Number EP2010052687
Publication Number 2010/100187
Status In Force
Filing Date 2010-03-03
Publication Date 2010-09-10
Owner CHEMETALL GMBH (Germany)
Inventor
  • Sebralla, Lars
  • Walter, Manfred

Abstract

The invention relates to a method for coating metal surfaces, in particular surfaces of wheels made of an aluminum alloy, in a multi-step method, wherein the metallic surfaces are first contacted with an aqueous composition predominantly containing silane/silanol/siloxane/polysiloxane and thereafter contacted with an aqueous composition predominantly containing at least one phosphonic compound, wherein the phosphonic compounds are selected from among compounds of the type XYZ, wherein Y is an alkyl group having 8 to 16 C atoms, wherein a silane coating and a phosphonate coating are formed successively.

IPC Classes  ?

  • C23C 22/83 - Chemical after-treatment
  • C23C 22/34 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6 containing fluorides or complex fluorides
  • C23C 22/66 - Treatment of aluminium or alloys based thereon
  • C23C 22/56 - Treatment of aluminium or alloys based thereon
  • C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
  • C09D 5/08 - Anti-corrosive paints
  • B05D 7/14 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies

99.

GALVANIC CELL HAVING A LITHIUM METAL OR AN ALLOY COMPRISING A LITHIUM METAL AS ANODE MATERIAL AND AN ELECTROLYTE HAVING LITHIUM BIS(OXALATO)BORATE AND AT LEAST ONE OTHER LITHIUM COMPLEX SALT

      
Application Number EP2010000992
Publication Number 2010/094467
Status In Force
Filing Date 2010-02-17
Publication Date 2010-08-26
Owner CHEMETALL GMBH (Germany)
Inventor
  • Wietelmann, Ulrich
  • Buhrmester, Thorsten
  • Emmel, Ute
  • Metzger, Rebecca

Abstract

The invention relates to a galvanic cell having a lithium metal or an alloy comprising a lithium metal as anode material, having an electrolyte comprising lithium bis(oxalato)borate and at least one other lithium complex salt of the formulae (I) and/or (II) in an aprotic solvent or solvent mixture, wherein the ratio of the compound (I) and/or (II) in the conducting salt equals 0.01 to 20 mol % and X, Y and Z in the formulae (I, II) is a bridge having two oxygen atoms bonded to the boron or phosphor atom, selected from (Formula (III)) wherein (i) Y1 and Y2 together = O, n = 0 and Y3 and Y4 are independently of one another H or an alkyl remnant having 1 to 5 C atoms, or (ii) Y1, Y2, Y3, Y4 independently of one another are each OR (R= alkyl remnant having 1 to 5 C atoms), H or an alkyl remnant R1, R2 having 1 to 5 C atoms, and wherein n = 0 or 1.

IPC Classes  ?

  • H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
  • H01M 10/052 - Li-accumulators
  • H01M 10/0567 - Liquid materials characterised by the additives
  • H01M 10/0568 - Liquid materials characterised by the solutes
  • H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
  • H01M 4/134 - Electrodes based on metals, Si or alloys
  • C07F 5/04 - Esters of boric acids
  • C07F 9/54 - Quaternary phosphonium compounds

100.

METHOD FOR COATING METAL SURFACES WITH AN ACTIVATING AGENT PRIOR TO PHOSPHATING

      
Application Number EP2009066680
Publication Number 2010/066765
Status In Force
Filing Date 2009-12-09
Publication Date 2010-06-17
Owner CHEMETALL GMBH (Germany)
Inventor
  • Kolberg, Thomas
  • Schönfelder, Eckart
  • Dahlenburg, Olaf
  • Walter, Manfred

Abstract

The invention relates to a method for phosphating metal surfaces in which the metal surfaces are treated with an aqueous phosphate and titanium-based colloidal activating agent prior to phosphating, wherein the activating agent comprises at least one water-soluble silicon compound having at least one organic group. The invention also relates to a corresponding activating agent.

IPC Classes  ?

  • C23C 22/80 - Pretreatment of the material to be coated with solutions containing titanium or zirconium compounds
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