Goods & Services

Chemicals; industrial chemicals; chemical agents for the surface treatment of metals.

Abstract

MMMMMMMMMMMMM) is within the range of 0.01 to 0.43 inclusive.

IPC Classes  ?

• C09D 183/04 - Polysiloxanes
• 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 7/24 - 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 for applying particular liquids or other fluent materials
• 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
• C09D 7/20 - Diluents or solvents
• C09D 7/61 - Additives non-macromolecular inorganic
• C09D 7/63 - Additives non-macromolecular organic
• C23C 26/00 - Coating not provided for in groups

Abstract

The present invention addresses the problem of providing a metal surface treatment agent capable of forming, on or over a surface of a metal material, a coating film that suppresses cracking and has favorable corrosion resistance.　The problem is solved by a metal surface treatment agent obtained by mixing at least one type of acid component (A) selected from the group consisting of phosphoric acid, phosphonic acid, organic sulfonic acid, polycarboxylic acid, monocarboxylic acid having a hydroxy group, and monocarboxylic acid having an amino group, a tungsten compound (B), and at least one type of resin compound (C) selected from the group consisting of urethane resins, phenol resins, epoxy resins, and acrylic resins. The W-converted solid mass of the tungsten compound (B) is 13.5% or more with respect to the entire solid mass of the metal surface treatment agent.

IPC Classes  ?

• 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 22/40 - 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 22/68 - 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

Abstract

The present invention addresses the problem of providing a metal-surface treatment agent capable of forming, on or over a surface of a metallic material, a coating film inhibited from cracking and having satisfactory corrosion resistance.　This metal-surface treatment agent comprises a mixture of: at least one acid ingredient (A) selected from the group consisting of phosphoric acid compounds, phosphonic acid compounds, organic sulfonic acids, polycarboxylic acids, hydroxylated monocarboxylic acids, and aminated monocarboxylic acids; a tungsten compound (B); and at least one metal compound (C) containing a metal selected from the group consisting of vanadium, cerium, molybdenum, magnesium, niobium, yttrium, chromium, tin, manganese, copper, and lanthanum. The content of the tungsten compound (B) in terms of solid mass of tungsten with respect to the mass of all the solid components of the metal-surface treatment agent is 18.0% or higher.

IPC Classes  ?

• 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 22/40 - 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 22/68 - 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

Abstract

A surface treatment agent for aluminum-containing metal materials that is capable of forming a coating excellent in corrosion resistance and drainage property with suppressed odor is provided. A surface treatment agent for aluminum-containing metal materials, formulated with a resin (A) having an ethylene structural unit and a hydroxyethylene structural unit, an ether compound (B) having either one or both of an epoxy group and a hydroxyl group, and a metal compound (C), wherein a content of the ethylene structural unit in the resin (A) is 1 to 20 mol %.

IPC Classes  ?

• C09D 129/04 - Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
• C09D 7/61 - Additives non-macromolecular inorganic

Goods & Services

Chemicals; industrial chemicals; degreasing agents, not for household use; chemical agents for the surface treatment of metals; ungluing preparations; chemical agents for etching; etching solutions [acids]; chemical agents for cleaning metal surfaces for use in manufacturing processes.

Abstract

The present invention is a processing method for a metal component by using a processing furnace. The method includes the steps of: introducing an activation atmospheric gas into the processing furnace; heating the activation atmospheric gas in the processing furnace to a first temperature; introducing a nitriding atmospheric gas or a nitrocarburizing atmospheric gas into the processing furnace; and heating the nitriding atmospheric gas or the nitrocarburizing atmospheric gas in the processing furnace to a second temperature. The activation atmospheric gas is introduced into the processing furnace through a pipe for introducing the activation atmospheric gas. A liquid organic solvent is introduced intermittently a plurality of times into the pipe for introducing the activation atmospheric gas which is under a state wherein the activation atmosphere gas continues to be introduced.

IPC Classes  ?

• C23C 8/56 - Carbo-nitriding of ferrous surfaces
• F27D 7/02 - Supplying steam, vapour, gases, or liquids
• C21D 1/76 - Adjusting the composition of the atmosphere
• C21D 1/767 - Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof
• C21D 9/00 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
• C21D 1/06 - Surface hardening
• C23C 8/32 - Carbo-nitriding of ferrous surfaces

Abstract

Provided is an adhesive agent for resin, said adhesive agent having superior adhesion between a copper-based material substrate and a resin substrate. An adhesive agent for resin, said adhesive agent including one or both of a product (C) of a Maillard reaction in which a carbohydrate (A) and/or a reductone (B), and an amine compound (G) and/or an amine equivalent (H) served as source materials, and a product (D) of a caramelization reaction in which a carbohydrate (A) and/or a reductone (B) served as a source material or materials.

IPC Classes  ?

• C09J 187/00 - Adhesives based on unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon-bonds
• 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 15/20 - Layered products essentially comprising metal comprising aluminium or copper
• B32B 27/00 - Layered products essentially comprising synthetic resin

Goods & Services

Chemicals; industrial chemicals; chemical preparations; chemical preparations for use in industry; chemical agents for the surface treatment of metals; chemical agents for forming protective films on metal surfaces.

Abstract

The present invention addresses the problem of providing a lubrication treatment method for a metal wire material that is not a combination of acid cleaning/alkaline degreasing and a phosphate/soap treatment, which has a heavy burden on the environment, but instead uses a shotblast and coating-type treatment agent to greatly decrease environmental burden, and adopts a batch scheme to have practical production efficiency, with a lubricating coating being uniformly formed on the metal wire material.　The problem is solved by this lubrication treatment method for a metal wire material, which is a method for performing a batch-type lubrication treatment on a coil-shaped metal wire material, the method including: a descale step for performing a shotblast treatment on the coil-shaped metal wire material; and a lubricating coating forming step for coating a lubricating agent on the metal wire material after the descale step, wherein, in the descale step, the coil-shaped metal wire material satisfies L/(d×N)≥1.1, where L is the coil width, d is the wire diameter of the metal wire material, and N is the number of coil windings, and the lubricating agent contains one or more coating base components (A) selected from the group consisting of an inorganic salt and an organic acid salt, and a lubricating component (B).

IPC Classes  ?

• C23C 26/00 - Coating not provided for in groups
• B21C 9/00 - Cooling, heating or lubricating drawing material

Abstract

The present invention addresses the problem of providing an electronic component having excellent high-temperature durability. The problem is resolved by an electronic component having a metal portion and having a coating on all or a portion of the metal portion, wherein the coating comprises a specific anionic epoxy resin or a salt thereof.

IPC Classes  ?

• C23C 26/00 - Coating not provided for in groups
• 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 27/38 - Layered products essentially comprising synthetic resin comprising epoxy resins
• C08G 59/02 - Polycondensates containing more than one epoxy group per molecule
• H01F 37/00 - Fixed inductances not covered by group
• H02K 3/30 - Windings characterised by the insulating material

Abstract

The purpose of the present invention is to provide a surface treating agent for fibers, which has excellent antibacterial properties and durability, rarely affects the water absorbability of a fiber, enables the formation of a coating film that is less likely to deteriorate fibers, and has high liquid stability. Provided is a surface treating agent for fibers, which comprises (A) a silane compound that is a hydrolysate and/or a condensation reaction product of a tetraalkoxysilane (A1) and a silane coupling agent (A2), (B) a silver salt and/or a silver complex, (C) an organic acid having at least two carboxyl groups, and (E) water, and which is prepared so as to satisfy the following blend requirements (1) and (2).　(1) The molar ratio {(A1+A2)/B} of the total (A1+A2) of the tetraalkoxysilane (A1) and the silane coupling agent (A2) to the silver salt and/or the silver complex (B) is 100 to 500.　(2) The molar ratio (C/B) of the carboxyl groups in the organic acid (C) to the silver salt and/or the silver complex (B) is 5 to 25.

IPC Classes  ?

• D06M 13/507 - Organic silicon compounds without carbon-silicon bond
• D06M 11/65 - Salts of oxyacids of nitrogen
• D06M 13/192 - Polycarboxylic acids; Anhydrides, halides or salts thereof
• D06M 13/513 - Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
• D06M 15/643 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain

Abstract

The present invention addresses the problem of providing an electronic component having excellent high-temperature durability. The problem is resolved by an electronic component having a metal portion and having a coating on all or a portion of the metal portion, wherein the coating is obtained by reacting a specific epoxy resin (A1) with a specific amine compound (A2).

IPC Classes  ?

• C25D 13/06 - Electrophoretic coating characterised by the process with organic material polymers
• 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 27/26 - Layered products essentially comprising synthetic resin characterised by the use of special additives using curing agents
• B32B 27/38 - Layered products essentially comprising synthetic resin comprising epoxy resins
• C08G 59/02 - Polycondensates containing more than one epoxy group per molecule
• H01F 37/00 - Fixed inductances not covered by group

Abstract

ABABCDABCDD respectively represent the total mass of the one or more selected from water-soluble inorganic oxides and salts thereof (A), the total mass of the one or more selected from hydrolysates and condensation products of an organoalkoxysilane (B), the mass of the water-soluble resin (C), and the mass of the ether compound (D).

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 7/24 - 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 for applying particular liquids or other fluent materials
• C08G 77/42 - Block- or graft-polymers containing polysiloxane sequences
• C09D 183/04 - Polysiloxanes
• C09D 201/00 - Coating compositions based on unspecified macromolecular compounds
• C08G 79/00 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon
• C09D 7/61 - Additives non-macromolecular inorganic
• C09D 7/63 - Additives non-macromolecular organic
• C09D 7/65 - Additives macromolecular
• C23C 26/00 - Coating not provided for in groups
• C09K 3/00 - Materials not provided for elsewhere

Abstract

Provided is a lubricant capable of forming a lubricant film which has a low coefficient of friction and exhibits excellent performance in terms of maintaining said coefficient of friction. This lubricant contains tungsten sulfide (component A), and one or more types (component B) selected from bismuth sulfide, tin sulfide, chromium sulfide and iron sulfide, but does not contain silver sulfide.

IPC Classes  ?

• C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
• C10N 10/08 - Groups 4 or 14
• C10N 10/10 - Groups 5 or 15
• C10N 10/12 - Groups 6 or 16
• C10N 10/16 - Groups 8, 9 or 10
• C10N 30/06 - Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
• C10N 40/00 - Specified use or application for which the lubricating composition is intended
• C10N 40/02 - Bearings
• C10N 40/04 - Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
• C10N 40/25 - Internal-combustion engines
• 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
• C10M 103/06 - Metal compounds
• C23C 26/00 - Coating not provided for in groups
• C09D 1/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances

Goods & Services

Chemicals; industrial chemicals; chemical agents for the surface treatment of metals; chemical agents for cleaning metal surfaces.

Abstract

Provided is a water-based surface treatment composition for an aluminum material capable of forming a coating film having excellent corrosion resistance, especially pitting corrosion resistance. The water-based surface treatment composition for an aluminum material contains a resin (A) having a glass transition temperature of 35°C or more and a tensile storage modulus at 25°C of from 200 MPa to 2000 MPa.

IPC Classes  ?

• C09D 201/00 - Coating compositions based on unspecified macromolecular compounds
• F28F 19/04 - Preventing the formation of deposits or corrosion, e.g. by using filters by using coatings, e.g. vitreous or enamel coatings of varnish
• C09D 7/61 - Additives non-macromolecular inorganic
• C09D 7/63 - Additives non-macromolecular organic
• C23C 26/00 - Coating not provided for in groups

Abstract

322, and R represents a hydrogen atom or an alkyl group optionally having alkoxy group or a hydroxyl group], and in which the ratio (urea group/group X) of the number of urea groups and groups X is 0.01-0.45; a metal compound (B) containing a metal selected from the group consisting of Zr, Ti, Hf, and Bi; and/or a water-soluble or water-dispersible resin (C) selected from the group consisting of polyvinyl resins, acrylic resins, polyvinylidene chloride resins, epoxy resins, urethane resins, polyester resins, polyamide resins, polyimide resins, phenol resins, silicone resins, and fluorine resins.

IPC Classes  ?

• C09K 3/18 - Materials not provided for elsewhere for application to surface to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
• B05D 7/24 - 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 for applying particular liquids or other fluent materials
• C08K 3/24 - Acids; Salts thereof
• C08K 5/098 - Metal salts of carboxylic acids
• C08L 83/08 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
• C08L 101/14 - Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity the macromolecular compounds being water soluble or water swellable, e.g. aqueous gels
• 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 161/06 - Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
• C09D 175/04 - Polyurethanes
• C09D 183/00 - Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
• C23C 26/00 - Coating not provided for in groups

Abstract

Provided is a surface adjuster with which it is possible to form a chemical conversion film in a surface state in which zinc phosphate crystals are densely packed even if a zinc phosphate chemical conversion treatment step takes place in a short period of time.　The above-described issue is solved by a surface adjuster for zinc phosphate chemical conversion treatment, the surface adjuster containing: a phosphate (A) that includes zinc; an alkali salt (B) of a copolymer (b2) that includes 2-acrylamide-2-methylpropanesulfonic acid units (b1), the proportion of (b1) in the copolymer (b2) being 7.5-40.0 mass% inclusive; and an aqueous medium (C).

IPC Classes  ?

• C23C 22/78 - Pretreatment of the material to be coated
• C23C 22/17 - Orthophosphates containing zinc cations containing also organic acids

Abstract

Provided is a rust-preventive composition showing excellent rust-preventive performance for plate joining parts such as doors of automotive bodies, the composition having sufficient corrosion resistance and being capable of preventing dripping from automotive bodies. A rust-preventive composition including: a rust-preventive additive; a wax having a melting point within the range of 60° C. to 130° C. selected from microcrystalline waxes and polyethylene-based or polypropylene-based synthetic waxes; bentonite; a hydrogenated oil; and two or more kinds of diluents having different viscosities; the rust-preventive additive being contained in an amount within the range of 12% by mass to 39% by mass with respect to the total composition, the bentonite being contained in an amount within the range of 2% by mass to 6% by mass with respect to the total composition, the wax being contained in an amount within the range of 3% by mass to 13% by mass with respect to the total composition.

IPC Classes  ?

• C09D 191/06 - Waxes
• C09D 7/60 - Additives non-macromolecular
• C09D 7/20 - Diluents or solvents
• C09D 5/08 - Anti-corrosive paints

Goods & Services

Industrial oil; industrial grease; mineral oils and greases for industrial purposes [not for fuel]; non-mineral oils for industrial purposes; lubricating grease; lubricating oil.

Abstract

The present invention addresses the problem of providing composite particles capable of sufficiently exerting the sterilizing activity possessed by silver.　Said problem is solved by a method that is for producing silver-resin composite particles and that comprises: a mixing step for mixing, in water, silver ions and a water-soluble resin (a) having an ethylene structural unit and having a secondary amine and/or a tertiary amine; and a polymerization step for mixing a silver-resin composite (A) obtained in the mixing step and a polymerizable monomer (B) to polymerize same.

IPC Classes  ?

• C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
• A01N 25/12 - Powders or granules
• A01N 59/16 - Heavy metals; Compounds thereof
• A01N 61/00 - Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
• A01P 1/00 - Disinfectants; Antimicrobial compounds or mixtures thereof
• A01P 3/00 - Fungicides
• C08F 283/00 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass
• C08L 33/10 - Homopolymers or copolymers of methacrylic acid esters
• C08L 79/02 - Polyamines

Goods & Services

Measuring apparatus; measuring instruments; measuring devices, electric; analysis apparatus; liquid analysis apparatus; measuring apparatus for concentration of chemicals.

Goods & Services

Chemicals; industrial chemicals; chemical agents for the surface treatment of metals. Coatings [paints]; anti-rust preparations; protective preparations for metals; anti-corrosive preparations; undercoating for surfaces to be painted.

Goods & Services

Chemicals; industrial chemicals; chemical agents for the surface treatment of metals. Coatings [paints]; anti-rust preparations; protective preparations for metals; anti-corrosive preparations; undercoating for surfaces to be painted.

Abstract

The present invention addresses the problem of providing: a metal surface treatment agent which can form a film having excellent corrosion resistance and excellent hydrophilicity on or over a surface of a metal material; a method of producing a metal material having a film by using the metal surface treatment agent; and a metal material having a film, which is obtained by the method. A chemical agent, which contains prescribed amounts of a water-soluble or water-dispersible resin (A) and a compound (B) having a nitrile group and an amino group, is capable of forming a film having excellent corrosion resistance and excellent hydrophilicity on or over a surface of a metal material and, therefore, can solve the above-described problem.

IPC Classes  ?

• C09D 5/08 - Anti-corrosive paints
• C09D 7/61 - Additives non-macromolecular inorganic
• C09D 7/63 - Additives non-macromolecular organic

Goods & Services

Chemicals; industrial chemicals; chemical agents; chemical agents for the surface treatment of metals. Coatings [paints]; anti-rust preparations; protective preparations for metals.

Goods & Services

Automatic adjusting/regulating machines and instruments; measuring apparatus; measuring instruments; measuring devices, electric; telecommunication machines and apparatus; analysis apparatus; liquid analysis apparatus; measuring apparatus for concentration of chemicals.

Goods & Services

Chemicals; chemical agents; industrial chemicals; chemical agents for the surface treatment of metals; chemical agents for forming protective coatings on the surfaces of metals; chemical agents for forming lubricating protective coatings on the surfaces of metals.

Abstract

The present, invention includes: an in-furnace atmospheric gas concentration detector configured to detect a hydrogen concentration or an ammonia concentration in a processing furnace; an in-furnace nitriding potential calculator configured to calculate a nitriding potential in the processing furnace based on the hydrogen concentration or the ammonia concentration detected by the in-furnace atmospheric gas concentration detector; and a gas-introduction-amount controller configured to change an introduction amount of each of the plurality of furnace introduction gases except for the ammonia decomposition gas while keeping an introduction amount of the ammonia decomposition gas constant. based on the calculated nitriding potential in the processing furnace and a target nitriding potential, such that the nitriding potential in the processing furnace is brought close to the target nitriding potential.

IPC Classes  ?

• C23C 8/30 - Carbo-nitriding

Abstract

The present invention is provided with: a furnace atmosphere gas concentration detection device for detecting a hydrogen concentration or an ammonia concentration in a treatment furnace; a furnace nitriding potential calculation device for calculating a nitriding potential in the treatment furnace on the basis of the hydrogen concentration or the ammonia concentration detected by the furnace atmosphere gas concentration detection device; and a gas introduction amount control device for varying the introduction amount of each of a plurality of furnace introduction gases excluding an ammonia decomposition gas in accordance with the calculated nitriding potential in the treatment furnace and a target nitriding potential while keeping the introduction amount of the ammonia decomposition gas at a constant value, thereby bringing the nitriding potential in the treatment furnace close to the target nitriding potential.

IPC Classes  ?

• C21D 1/06 - Surface hardening
• C23C 8/26 - Nitriding of ferrous surfaces

Abstract

A nitriding treatment method for a steel member, said method provided with at least three stages of nitriding treatment steps, the first nitriding treatment step through third nitriding treatment step being applied at a temperature of 500°C-590°C. A first nitriding potential of the first nitriding treatment step is a value in a range of 0.10-1.00, a second nitriding potential of the second nitriding treatment step is higher than that of the first nitriding potential, and is a value in a range of 0.30-10.00, and a third nitriding potential of the third nitriding treatment step is lower than that of the second nitriding potential, and is a value in a range of 0.26-0.60.

IPC Classes  ?

• C21D 9/32 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
• C21D 1/06 - Surface hardening
• C21D 1/76 - Adjusting the composition of the atmosphere
• C23C 8/26 - Nitriding of ferrous surfaces

Abstract

The present invention provides a surface treatment agent for aluminum-containing metal materials that makes it possible to form a coating in which off-odors are suppressed and which has excellent corrosion resistance and drainage properties. The surface treatment agent for aluminum-containing metal materials comprises: a resin (A) having an ethylene structural unit and a hydroxyethylene structural unit; an ether compound (B) having an epoxy group and/or a hydroxyl group; and a metal compound (C), wherein the content of the ethylene structural unit in the resin (A) is 1-20 mol%.

IPC Classes  ?

• C09K 3/18 - Materials not provided for elsewhere for application to surface to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
• C23C 26/00 - Coating not provided for in groups

Abstract

A nitriding method for a steel member that has at least two nitriding steps. The nitriding method for a steel member has: a first nitriding step in which a steel member is nitrided in a nitriding gas atmosphere that has a first nitriding potential; and a second nitriding step in which, after the first nitriding step, the steel member is further nitrided in a nitriding gas atmosphere that has a second nitriding potential that is lower than the first nitriding potential. The first nitriding step and the second nitriding step are performed at a temperature of 500°C–590°C, the first nitriding potential is a value within the range of 0.300–10.000, and the second nitriding potential is a value within the range of 0.253–0.600.

IPC Classes  ?

• C21D 9/32 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
• C21D 1/06 - Surface hardening
• C23C 8/26 - Nitriding of ferrous surfaces

Abstract

A medical instrument in which an inorganic salt solid such as apatite into which a peptide hormone or the like is embedded is placed so that a metal or the like is coated therewith, in which the inorganic salt solid is provided by controlled delay co-precipitation or the like in an unstable supersaturated calcium phosphate solution, and the medical instrument is exposed to ionizing radiation at a dose sufficient for sterilization.

IPC Classes  ?

• A61L 27/42 - Composite materials, i.e. layered or containing one material dispersed in a matrix of the same or different material having an inorganic matrix
• A61L 27/54 - Biologically active materials, e.g. therapeutic substances

Abstract

The present invention is a method for treating a metallic member using a treatment furnace, the method comprising a step for introducing an activation atmosphere gas into the treatment furnace, a step for heating the activation atmosphere gas in the treatment furnace to a first temperature, a step for introducing a nitriding atmosphere gas or a soft nitriding atmosphere gas into the treatment furnace, and a step for heating the nitriding atmosphere gas or the soft nitriding atmosphere gas in the treatment furnace to a second temperature. The activation atmosphere gas can be introduced into the treatment furnace through an activation atmosphere gas introduction pipe. An organic solvent in a liquid form is introduced into the activation atmosphere gas introduction pipe, which is in a state where the introduction of the activation atmosphere gas has been continued, several times intermittently.

IPC Classes  ?

• C23C 8/02 - Pretreatment of the material to be coated
• C21D 1/06 - Surface hardening
• C21D 1/76 - Adjusting the composition of the atmosphere
• C23C 8/26 - Nitriding of ferrous surfaces
• F27D 7/02 - Supplying steam, vapour, gases, or liquids
• F27D 7/06 - Forming or maintaining special atmospheres or vacuum within heating chambers

Goods & Services

Chemicals; chemical agents; industrial chemicals; chemical agents for the surface treatment of metals; chemical coatings for metals.

Goods & Services

Chemicals; chemical agents for carburizing and nitriding treatment; chemical agents for metal heat treatment; chemical preparations for use in industry; other chemical agents.

Goods & Services

Chemicals; chemical agents for carburizing and nitriding treatment; chemical agents for metal heat treatment; chemical preparations for use in industry; other chemical agents.

Abstract

The present invention addresses the problem of providing, for example, a novel metal surface treatment agent which can form a film capable of maintaining antimicrobial performance on or over a surface of a metal material. The problem can be solved by a metal surface treatment agent containing: a prescribed copolymer (A) obtained by polymerizing a compound (a) represented by the following Formula (1) [in Formula (1), R1 and R2 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R3 and R4 each independently represent an alkyl group having 1 to 5 carbon atoms, and X— represents an ion of a halogen atom, or an acid anion] with a compound (b) represented by the following Formula (2) or (3) [in Formula (2), R5 represents a hydrogen atom or a methyl group, R6 and R7 each independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, a benzyl group, or a hydroxyalkyl group having 2 or 3 carbon atoms; and, in Formula (3), R8 represents a hydrogen atom or a methyl group]; and a water-soluble or water-dispersible resin (B). The present invention addresses the problem of providing, for example, a novel metal surface treatment agent which can form a film capable of maintaining antimicrobial performance on or over a surface of a metal material. The problem can be solved by a metal surface treatment agent containing: a prescribed copolymer (A) obtained by polymerizing a compound (a) represented by the following Formula (1) [in Formula (1), R1 and R2 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R3 and R4 each independently represent an alkyl group having 1 to 5 carbon atoms, and X— represents an ion of a halogen atom, or an acid anion] with a compound (b) represented by the following Formula (2) or (3) [in Formula (2), R5 represents a hydrogen atom or a methyl group, R6 and R7 each independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, a benzyl group, or a hydroxyalkyl group having 2 or 3 carbon atoms; and, in Formula (3), R8 represents a hydrogen atom or a methyl group]; and a water-soluble or water-dispersible resin (B).

IPC Classes  ?

• C09D 5/14 - Paints containing biocides, e.g. fungicides, insecticides or pesticides
• C09D 175/04 - Polyurethanes
• C09D 129/04 - Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
• C09D 177/00 - Coating compositions based on polyamides obtained by reactions forming a carboxylic amide link in the main chain; Coating compositions based on derivatives of such polymers
• C09D 139/02 - Homopolymers or copolymers of vinylamine
• A01N 33/12 - Quaternary ammonium compounds
• A01P 1/00 - Disinfectants; Antimicrobial compounds or mixtures thereof

Goods & Services

Heat treating of metals.

Goods & Services

Chemicals; chemical agents; industrial chemicals; chemical agents for the surface treatment of metals.

Goods & Services

(1) Chemicals; chemical agents for carburizing and nitriding treatment; chemical agents for metal heat treatment; chemical preparations for use in industry; other chemical agents.

Goods & Services

Industrial chemicals; chemical agents for carburizing and nitriding treatment; chemical agents for metal heat treatment; chemical preparations for use in industry; chemical agents for industrial purposes

Goods & Services

Anti-rust preparations; anti-corrosive preparations; anti-rust oils; anti-rust greases; coatings [paints].

Goods & Services

(1) Heat treating of metals.

Goods & Services

Heat treating of metals

Abstract

The present disclosure provides a coated plated steel sheet which includes a plating layer containing prescribed quantities of aluminum, silicon, zinc and magnesium, which exhibits excellent performance in terms of corrosion resistance, blackening resistance, weather resistance, and the like, and which has an excellent appearance. In the present disclosure, the plating layer of the coated plated steel sheet contains prescribed proportions of aluminum, silicon, zinc and magnesium. A protective layer is formed on the plating layer by coating an aqueous surface treatment agent on the surface of the plating layer and then drying the same The aqueous surface treatment agent contains an aqueous anionic urethane resin (A) having a polyester polyol residue, zirconia (B), a molybdenum oxoate (C), a hindered amine (D) and water. These components are blended at prescribed proportions in the aqueous surface treatment agent.

IPC Classes  ?

• C23C 28/00 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and
• 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 15/095 - 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 comprising polyurethanes
• B32B 15/18 - Layered products essentially comprising metal comprising iron or steel

Goods & Services

Anti-rust preparations, namely, rust preventatives in the nature of coatings; anti-corrosive preparations, namely, anti-corrosion coatings and anti-corrosion paints; anti-rust oils; anti-rust greases; coating compositions in the nature of paints

Abstract

Provided is a surgical electrode in which an end portion capable of emitting a high frequency has a surface treatment film that includes a first coating and a second film in the order mentioned. The first coating is formed by contacting a surface treatment agent (X) with or over the entirety or a part of the surface of the end portion at least, which surface treatment agent (X) contains at least an amino group-containing compound, and the second film is formed by contacting a surface treatment agent (Y) with a part or the entirety of the surface of the first coating, which surface treatment agent (Y) contains: a silicone resin (A); a compound (B) containing a metal element selected from titanium, platinum, rhodium and palladium; and an aromatic hydrocarbon-based solvent (C), and satisfies: (I) the content of the silicone resin is in a range of 90% by mass to 99.9% by mass with respect to a total solid mass of the silicone resin and the compound; and (II) a ratio (BM/AM) of a mass (BM) of the compound to a mass (AM) of the silicone resin is in a range of 0.001 to 0.111.

IPC Classes  ?

• A61B 18/14 - Probes or electrodes therefor
• C23C 28/00 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and
• C09D 183/06 - Polysiloxanes containing silicon bound to oxygen-containing groups
• C09D 179/02 - Polyamines
• C09D 7/20 - Diluents or solvents
• C09D 7/61 - Additives non-macromolecular inorganic
• C09D 7/63 - Additives non-macromolecular organic

Abstract

The present invention addresses the problem of providing an electrosurgical electrode that can keep a portion that could be an operation part from overheating.　An electrosurgical electrode for performing surgery on biological tissue, the electrosurgical electrode comprising a principal body that can emit high-frequency energy. The surface of the principal body has: a coated part (A) that is coated with a resin coating that is at least 10 μm thick; and a region (B) that is coated with an oxide film and/or a resin coating that is no more than 1.0 μm thick or is uncoated. Region (B) is an active surface that can distribute high-frequency energy to biological tissue from the principal body. The ratio (β1/α1) of the area (β1) of region (B) to the area (α1) of the coated part (A) is 0.01–0.5.

IPC Classes  ?

• A61B 18/14 - Probes or electrodes therefor

Abstract

Provided is a rust-preventive composition that provides adequate corrosion resistance and excellent rust prevention on a vehicle body door or other panel fitting part, and that can prevent liquid dripping from a vehicle body. A rust preventive composition containing a rust preventive additive, a wax having a melting point in the range of 60-130°C selected from a microcrystalline wax or a polyethylene- or polypropylene-based synthetic wax, bentonite, a hydrogenated oil, and two or more types of diluents having different viscosities, wherein the rust preventive additive is included in a range of 12-39% by mass with respect to the total amount of the composition, the bentonite is included in a range of 2-6% by mass with respect to the total amount of the composition, and the wax is included in the range of 3-13% by mass with respect to the total amount of the composition.

IPC Classes  ?

• C09D 5/08 - Anti-corrosive paints
• C09D 7/40 - Additives
• C09D 123/06 - Polyethene
• C09D 123/12 - Polypropene
• C09D 191/06 - Waxes

Abstract

Provided is a rust-preventive composition that provides adequate corrosion resistance and excellent rust prevention on a vehicle body door or other panel fitting part, and that can prevent liquid dripping from a vehicle body.　A rust preventive composition containing a rust preventive additive, a wax having a melting point in the range of 60-130°C selected from a microcrystalline wax or a polyethylene- or polypropylene-based synthetic wax, bentonite, a hydrogenated oil, and two or more types of diluents having different viscosities, wherein the rust preventive additive is included in a range of 12-39% by mass with respect to the total amount of the composition, the bentonite is included in a range of 2-6% by mass with respect to the total amount of the composition, and the wax is included in the range of 3-13% by mass with respect to the total amount of the composition.

IPC Classes  ?

• 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

Abstract

A method for producing a surface-hardened material, comprising: an immersion step of immersing an iron steel material having nitrogen attached in the form of a solid solution on the surface thereof in a melt containing a chloride at a temperature ranging from 650° C. to 900° C.; and a cooling step of cooling the immersed iron steel material to a temperature equal to or lower than a martensitic transformation start temperature at a cooling rate equal to or higher than a lower critical cooling rare at which martensitic transformation starts.

IPC Classes  ?

• C23C 8/50 - Nitriding of ferrous surfaces
• C21D 1/06 - Surface hardening
• C23C 8/46 - Carburising of ferrous surfaces

Abstract

Based on the nitriding potential in the processing furnace calculated by the in-furnace nitriding potential calculator and the target nitriding potential, the introduction amount of the ammonia gas is changed while the introduction amount of the ammonia decomposition gas is kept constant, such that the nitriding potential in the processing furnace is brought close to the target nitriding potential.

IPC Classes  ?

• C23C 8/26 - Nitriding of ferrous surfaces
• C23C 8/32 - Carbo-nitriding of ferrous surfaces
• F27B 5/04 - Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
• F27B 5/16 - Arrangements of air or gas supply devices

Abstract

A sliding spline shaft device of the present invention includes a male spline and a female spline that is fitted to the male spline in an axially slidable manner, and at least one of the splines has a surface processed layer. The surface processed layer includes an undercoat layer, an intermediate layer containing phosphate, and a topcoat layer containing solid lubricant, in this order. The undercoat layer contains iron nitride and/or iron carbide. Thus, the surface of a base material has high hardness. As a result, microscopic deformation of the sliding surface is reduced, and increase in a real contact area is suppressed, whereby stick-slip is prevented.

IPC Classes  ?

• F16D 3/06 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
• C09D 7/61 - Additives non-macromolecular inorganic
• C09D 179/08 - Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
• C10M 103/06 - Metal compounds
• C10M 107/44 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
• C10M 111/04 - Lubricating compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being a macromolecular organic compound
• C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
• C22C 38/04 - Ferrous alloys, e.g. steel alloys containing manganese
• C23C 28/04 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and only coatings of inorganic non-metallic material
• C10N 50/00 - Form in which the lubricant is applied to the material being lubricated

Abstract

The present invention addresses the problem of providing: a metal surface-treating agent which can form a coating film having excellent corrosion resistance and hydrophilicity in or on a surface of a metal material; a method for manufacturing a metal material with a coating film; and a metal material with a coating film, which is manufactured by the manufacturing method. A chemical substance comprising a water-soluble or water-dispersible resin (A) and a compound (B) having a nitrile group and an amino group in specified amounts can form a coating film having excellent corrosion resistance and hydrophilicity in or on a surface of a metal material, and therefore can solve the problem.

IPC Classes  ?

• C23C 26/00 - Coating not provided for in groups

Abstract

Provided is a magnesium-containing metal material that includes coatings having excellent corrosion resistance on a surface. Specifically, provided is a magnesium-containing metal material with coating, which is characterized by including: a magnesium hydroxide-containing first coating on a surface of a magnesium-containing metal material composed of magnesium or a magnesium alloy; a hydroxyapatite and/or hydroxyapatite carbonate-containing third coating over the first coating; and a dibasic calcium phosphate-containing second coating between the first coating and the third coating.

IPC Classes  ?

• C23C 22/57 - Treatment of magnesium or alloys based thereon
• C22C 23/00 - Alloys based on magnesium
• C23C 22/22 - Orthophosphates containing alkaline earth metal cations
• C23C 22/78 - Pretreatment of the material to be coated
• C23C 28/04 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and only coatings of inorganic non-metallic material

Abstract

The present invention addresses the problem of providing, a metal surface treatment agent capable of exhibiting excellent corrosion resistance and excellent coating adhesion in painted metal materials; and a metal surface treatment method using the metal surface treatment agent. The problem is solved by a pretreatment agent that is used in a pretreatment of a chemical conversion treatment performed for forming a chemical conversion coating on/over a surface of a metal material, the pretreatment agent containing: a metal alkoxide (A) containing at least one metal element selected from zirconium, titanium, vanadium, and aluminum; and at least one sulfonic acid (B) selected from methanesulfonic acid, ethanesulfonic acid, hydroxymethanesulfonic acid, and hydroxyethanesulfonic acid. The problem is also solved by a chemical conversion treatment agent that contains a zirconium alkoxide (a) and a zirconium-containing ion supply source (b), and has a pH of 1.5 to 6.5.

IPC Classes  ?

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

Abstract

M], is 0.7 or higher.

IPC Classes  ?

• 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
• C09D 175/06 - Polyurethanes from polyesters
• C09D 175/08 - Polyurethanes from polyethers

Goods & Services

Medical apparatus and instruments; surgical apparatus and instruments; knives for surgical purposes; scalpels; electric scalpels for surgical purposes; handles, grips, and handpieces for electric scalpels for surgical purposes; electrodes for electric scalpels for surgical purposes; electrodes for medical use.

Goods & Services

Medical apparatus and instruments; surgical apparatus and instruments; knives for surgical purposes; scalpels; electric scalpels for surgical purposes; handles, grips, and handpieces for electric scalpels for surgical purposes; electrodes for electric scalpels for surgical purposes; electrodes for medical use.

Goods & Services

Medical apparatus and instruments; surgical apparatus and instruments; knives for surgical purposes; scalpels; electric scalpels for surgical purposes; handles, grips, and handpieces for electric scalpels for surgical purposes; electrodes for electric scalpels for surgical purposes; electrodes for medical use.

Goods & Services

Medical apparatus and instruments; surgical apparatus and instruments; knives for surgical purposes; scalpels; electric scalpels for surgical purposes; handles, grips, and handpieces for electric scalpels for surgical purposes; electrodes for electric scalpels for surgical purposes; electrodes for medical use.

Abstract

The purpose of the present invention is to provide a thermoelectric conversion element having a film which not only maintains sufficient adhesion even when exposed to a high temperature but also exhibits excellent oxidation resistance and crack resistance. The problem is solved by a thermoelectric conversion element including a thermoelectric conversion component, in which the thermoelectric conversion component contains magnesium silicide and/or manganese silicide and is covered with a film containing Si and Zr.

IPC Classes  ?

• H10N 10/855 - Thermoelectric active materials comprising inorganic compositions comprising compounds containing boron, carbon, oxygen or nitrogen
• C01B 33/06 - Metal silicides
• H10N 10/01 - Manufacture or treatment
• H01L 35/22 - Selection of the material for the legs of the junction using inorganic compositions comprising compounds containing boron, carbon, oxygen, or nitrogen
• H01L 35/34 - Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof

Abstract

The present invention addresses the issue of providing a novel means that improves the corrosion resistance of a painted metal material. The issue is addressed by a metal material treatment agent that is used in a pre-treatment during a chemical conversion treatment that forms the surface of a metal material or a chemical conversion film on the surface. The treatment agent has: a specific amine compound (A); and metallic acid ions (B) selected from molybdenum acid ions and tungsten acid ions.

IPC Classes  ?

• C23C 28/00 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and
• C23C 22/78 - Pretreatment of the material to be coated
• C23C 22/83 - Chemical after-treatment
• C23C 26/00 - Coating not provided for in groups

Abstract

222 and –NH-, and compounds or polymers having –NH-, said compounds and polymers exhibiting water solubility or water dispersibility.

IPC Classes  ?

• C23C 28/00 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and
• C23C 22/83 - Chemical after-treatment
• C23C 26/00 - Coating not provided for in groups

Abstract

The purpose of the present invention is to provide a surface treatment agent which is capable of forming, on a metal material, a film that not only comprehensively satisfies various performance such as corrosion resistance and adhesion but also exhibits excellent corrosion resistance and adhesion even when exposed to a high-temperature environment. The Problem is solved by a surface treatment agent for metal materials, which contains: a compound and/or mixture (A) represented by M2O.SiO2, wherein a molar ratio of SiO2/M2O is in a range of 1.8 to 7.0 and M represents an alkali metal; a stabilized zirconium oxide (B); and a component (C) that contains at least one selected from metal oxide particles and clay minerals except for the compound and/or mixture (A) and the stabilized zirconium oxide (B).

IPC Classes  ?

• C09D 5/08 - Anti-corrosive paints
• C09D 1/02 - Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
• C23C 24/00 - Coating starting from inorganic powder

Abstract

The present invention is provided with: an in-furnace atmosphere gas concentration sensing device which senses the hydrogen concentration or the ammonia concentration in a treatment furnace; an in-furnace nitriding potential calculation device which calculates the nitriding potential within the treatment furnace on the basis of the hydrogen concentration or the ammonia concentration sensed by the in-furnace atmosphere gas concentration sensing device; and a gas introduction amount control device which changes the introduction amounts of a plurality of gases, excluding an ammonia decomposition gas, to be introduced into the furnace in accordance with the calculated nitriding potential within the treatment furnace and a desired nitriding potential, while maintaining the introduction amount of the ammonia decomposition gas constant, thereby bringing the nitriding potential within the treatment furnace closer to the desired nitriding potential.

IPC Classes  ?

• C23C 8/30 - Carbo-nitriding

Abstract

The present invention provides a novel cooling agent which is useful for molds for plastic working. A cooling agent for molds for plastic working, said cooling agent containing the component A and the component B described below. Component A: one or more silicate-containing minerals Component B: one or more compounds selected from the group consisting of aliphatic carboxylic acids and salts thereof, aliphatic hydroxy acids and salts thereof, aromatic carboxylic acids and salts thereof, and aromatic hydroxy acids and salts thereof

IPC Classes  ?

• C10M 173/02 - Lubricating compositions containing more than 10% water not containing mineral or fatty oils
• C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
• C10N 40/24 - Metal working without essential removal of material; Punching metal
• C10M 103/06 - Metal compounds
• C10M 129/28 - Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
• C10M 129/44 - Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms containing hydroxy groups
• C10M 129/48 - Carboxylic acids; Salts thereof having carboxyl groups bound to a carbon atom of a six-membered aromatic ring
• C10M 129/54 - Carboxylic acids; Salts thereof having carboxyl groups bound to a carbon atom of a six-membered aromatic ring containing hydroxy groups
• C09K 5/10 - Liquid materials

Abstract

NSOO of the iron-based oxide layer is 1 μm or more and less than 10 μm.

IPC Classes  ?

• C23C 8/26 - Nitriding of ferrous surfaces
• B21J 13/02 - Dies or mountings therefor
• B22C 9/06 - Permanent moulds for shaped castings
• B22D 17/22 - Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
• C23C 8/18 - Oxidising of ferrous surfaces
• C23C 8/50 - Nitriding of ferrous surfaces

Goods & Services

Soap; detergents, other than for use in manufacturing operations and for medical purposes; incense; antistatic preparations for household purposes; degreasers, other than for use in manufacturing processes; rust removing preparations; laundry bleach; stain removers; fabric softeners for laundry use; cleaning preparations; air fragrancing preparations. Pharmaceutical preparations; deodorants, other than for human beings or for animals; antibacterial pharmaceutical preparations; antibacterial agents; antibacterial sprays; antiviral agents.

Abstract

The present invention is aimed at providing an unprecedented novel electrostatic powder coating material. Provided is an unprecedented electrostatic powder coating material capable of forming a heat-resistant coating film, wherein the electrostatic powder coating material contains at least glass particles (A) that soften at a baking temperature and glass particles (B) that do not soften at the baking temperature.

IPC Classes  ?

• C09D 5/03 - Powdery paints
• B05D 1/06 - Applying particulate materials
• 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
• B05D 7/24 - 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 for applying particular liquids or other fluent materials
• C09D 1/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances

Abstract

The present invention addresses the problem of providing a surface treatment agent for aluminum or aluminum alloy materials, which is capable of forming, on an aluminum or an aluminum alloy material, a surface treatment coating that has excellent corrosion resistance and has excellent corrosion resistance even when the coating is exposed to a high temperature. The problem is solved by a surface treatment agent which is used for surface treatment of an aluminum or an aluminum alloy material and which contains a trivalent chromium-containing ion (A), at least one ion (B) selected from a titanium-containing ion and a zirconium-containing ion, a zinc-containing ion (C), a free fluorine ion (D), and a nitrate ion (E).

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

Abstract

A surface treatment agent capable of forming a hexavalent chromium-free chemical conversion coating that can provide an excellent corrosion-resistant coating on various metallic materials; a metallic material having a surface treatment coating obtained therefrom; and a method of producing the same. A free fluorine ion-containing surface treatment agent for surface-treating a metallic material, which is obtained by mixing at least one supply source (A) of trivalent chromium-containing ions A; a supply source (B) of ions B that are at least one selected from titanium-containing ions and zirconium-containing ions; a water-soluble or water-dispersible compound (C) containing an alkoxysilyl group, an aromatic ring, a hydroxy group directly bonded to the aromatic ring, and at least one of primary, secondary, tertiary and quaternary amino groups, wherein the alkoxysilyl group is bonded to the nitrogen atom of the amino group directly or via an alkylene group; and a fluorine-containing compound (D) providing fluorine-containing ions.

IPC Classes  ?

• C23F 1/10 - Etching compositions
• C23C 22/30 - 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 hexavalent chromium compounds containing also trivalent chromium
• C23C 22/28 - Macromolecular compounds
• 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
• C23G 1/08 - Iron or steel
• C23G 1/10 - Other heavy metals
• C23G 1/12 - Light metals

Abstract

This invention provides a technique that enables a chemical conversion coating excellent in adhesiveness and corrosion resistance to be formed on or over a magnesium material or magnesium alloy material and use of the technique. The above object is achieved by performing a surface conditioning treatment by using a surface conditioning agent that includes specific dibasic calcium phosphate particles before performing a chemical conversion for forming the chemical conversion coating.

IPC Classes  ?

• C23C 22/57 - Treatment of magnesium or alloys based thereon
• C23C 22/07 - 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 phosphates
• C23C 22/78 - Pretreatment of the material to be coated
• C23C 22/22 - Orthophosphates containing alkaline earth metal cations
• 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

Abstract

The present invention is aimed at providing: a surface treatment agent that is capable of forming a surface-treated coating film having excellent antifouling properties; a metal material that includes a surface-treated coating film using the surface treatment agent; and a method of producing the metal material. The present invention provides a surface treatment agent containing: a silicone resin (A); a compound (B) containing a metal element selected from titanium, platinum, rhodium and palladium; and an aromatic hydrocarbon-based solvent (C). In the surface treatment agent, (I) a content of the silicone resin (A) is in a range of 90% by mass to 99.9% by mass with respect to a total solid mass of the silicone resin (A) and the compound (B), and (II) a ratio (BM/AM) of a mass (BM) of the compound (B) to a mass (AM) of the silicone resin (A) is in a range of 0.001 to 0.111.

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 183/04 - Polysiloxanes
• C09D 183/10 - Block or graft copolymers containing polysiloxane sequences
• C09D 7/61 - Additives non-macromolecular inorganic
• C09D 7/63 - Additives non-macromolecular organic
• C23C 26/00 - Coating not provided for in groups

Abstract

The present invention addresses the problem of providing: a chemical conversion agent which is capable of forming a colored chemical conversion coating that has excellent corrosion resistance in or on the surface of a metal material; and the like.　The problem is solved by a chemical conversion agent which contains ions (A) that contain a metal element that is selected from among zirconium, titanium and hafnium, ions (B) that contain a metal element that is selected from among chromium, iron, cobalt, vanadium and copper, ions (C) that contain fluorine, and an acidic dye (D), and which is configured such that the molar concentration of the ions (C) is not less than 6 times the molar concentration of the ions (A).

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 26/00 - Coating not provided for in groups

Abstract

The present invention is a nitriding steel member in which a matrix phase is composed of a carbon steel or a low-alloy steel, the nitriding steel member being characterized in that a nitride compound layer is provided on the surface, a hardened layer having an austenite structure is provided below the nitride compound layer, and a diffused layer in which nitrogen is diffused in the matrix phase is provided below the hardened layer, wherein the nitride compound layer has a phase distribution in which an ε phase, a γ' phase and an ε phase are arranged in this order, the volume ratio of the γ' phase in the nitride compound layer is 20% or more, and the nitride compound layer has a thickness of 5 to 50 μm from the surface of the nitriding steel member.

IPC Classes  ?

• C23C 8/26 - Nitriding of ferrous surfaces
• C21D 1/06 - Surface hardening
• C21D 1/76 - Adjusting the composition of the atmosphere
• C21D 9/30 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for camshafts
• C21D 9/32 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
• F16C 3/06 - Crankshafts
• F16H 55/06 - Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties

Abstract

The present invention addresses the problem of providing a novel metal surface treatment agent that can form a film, which is capable of maintaining antimicrobial performance, in or on the surface of a metal material.　The abovementioned problem is solved by a metal surface treatment agent containing a prescribed copolymer (A) and a water-soluble or water-dispersible resin (B), the copolymer (A) being obtained by polymerizing the compound (a) represented by formula (1) (in formula (1), R1and R2independently represent hydrogen atoms or C1-4 alkyl groups, R3and R4independently represent C1-5 alkyl groups, and X-represents an ion of a halogen atom or an acid anion) and the compound (b) represented by formula (2) or formula (3) (in formula (2), R5represents a hydrogen atom or a methyl group and R6and R7independently represent hydrogen atoms, C1-4 alkyl groups, benzyl groups, or C2 or 3 hydroxyalkyl groups; in formula (3), R8 represents a hydrogen atom or a methyl group).

IPC Classes  ?

• C23C 26/00 - Coating not provided for in groups
• C09D 5/14 - Paints containing biocides, e.g. fungicides, insecticides or pesticides
• C09D 133/02 - Homopolymers or copolymers of acids; Metal or ammonium salts thereof
• C09D 133/26 - Homopolymers or copolymers of acrylamide or methacrylamide
• C09D 139/02 - Homopolymers or copolymers of vinylamine
• C09D 201/00 - Coating compositions based on unspecified macromolecular compounds

Abstract

Based on the nitriding potential in the processing furnace calculated by the in-furnace nitriding potential calculator and a target nitriding potential, an introduction amount of each of the plurality of furnace introduction gases is controlled by changing a flow rate ratio between the plurality of furnace introduction gases while keeping a total introduction amount of the plurality of furnace introduction gases constant, such that the nitriding potential in the processing furnace is brought close to the target nitriding potential.

IPC Classes  ?

• C21D 1/06 - Surface hardening
• C23C 8/26 - Nitriding of ferrous surfaces

Abstract

A nitrided steel member which has a matrix that is formed of a carbon steel or a low alloy steel, and which is characterized by having a hardened layer in the surface, said hardened layer having an austenite structure that contains 1.0% by mass or more of nitrogen, and by having a diffusion layer below the hardened layer, said diffusion layer being obtained by diffusing nitrogen into the matrix. This nitrided steel member is also characterized in that: the hardened layer has a thickness of 2-50 µm from the surface of the nitrided steel member; the diffusion layer extends to a depth of more than 100 µm from the surface of the nitrided steel member; and the hardness of the diffusion layer at a depth of 100 µm from the surface of the nitrided steel member is higher than the hardness at a depth of 2 mm from the surface of the nitrided steel member by 100 HV or more.

IPC Classes  ?

• C23C 8/26 - Nitriding of ferrous surfaces
• C21D 1/06 - Surface hardening
• C21D 1/76 - Adjusting the composition of the atmosphere
• C21D 9/30 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for camshafts
• C21D 9/32 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like

Goods & Services

Heat treatment of metals; heat treatment of metal surfaces; metal treating and processing; providing information relating to material treatment.

Abstract

A method for producing a surface-hardened material, comprising: an immersion step of immersing an iron steel material having nitrogen attached in the form of a solid solution on the surface thereof in a melt containing a chloride at a temperature ranging from 650 to 900°C; and a cooling step of cooling the immersed iron steel material to a temperature equal to or lower than a martensitic transformation start temperature at a cooling rate equal to or higher than a lower critical cooling rare at which martensitic transformation starts.

IPC Classes  ?

• C23C 8/80 - After-treatment
• C21D 1/06 - Surface hardening
• C23C 8/26 - Nitriding of ferrous surfaces
• C23C 8/50 - Nitriding of ferrous surfaces
• C22C 38/00 - Ferrous alloys, e.g. steel alloys
• C22C 38/60 - Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium or antimony, or more than 0.04% by weight of sulfur

Goods & Services

Heat treatment of metals; heat treatment of metal surfaces; metal treating and processing; providing information relating to material treatment

Abstract

The volume of an ammonia gas to be introduced is varied depending on a nitriding potential in a processing furnace which is calculated with a furnace nitriding potential calculation device and a desired nitriding potential while keeping the volume of an ammonia decomposition gas to be introduced at a certain level. In this manner, the nitriding potential in the processing furnace can be brought close to the desired nitriding potential.

IPC Classes  ?

• C23C 8/24 - Nitriding

Abstract

A surgical electrode, wherein: a distal end portion, which is capable of emitting a high frequency, has a surface treatment coating that includes a first film and a second film in the stated order; the first film is formed by bringing a surface treatment agent (X) into contact with at least all or part of the surface of the distal end portion, the surface treatment agent containing at least a compound having an amino group; the second film is forming by bringing a surface treatment agent (Y) into contact with all or part of the surface of the first film, the surface treatment agent containing a silicone resin (A), a compound (B) that includes a metal element selected from titanium, platinum, rhodium, and palladium, and an aromatic hydrocarbon solvent (C); (I) the silicone resin content is within a range of 90-99.9% by mass relative to the total solids fraction mass of the silicone resin and the compound; and (II) the ratio (BM/AM) of the mass of the silicone resin (AM) and the mass of the compound (BM) is within a range of 0.001-0.111.

IPC Classes  ?

• A61B 18/14 - Probes or electrodes therefor
• C09D 7/20 - Diluents or solvents
• C09D 7/61 - Additives non-macromolecular inorganic
• C09D 7/63 - Additives non-macromolecular organic
• C09D 183/04 - Polysiloxanes
• C23C 26/00 - Coating not provided for in groups

Abstract

The purpose of the present invention is to provide a thermoelectric conversion element having a film that maintains sufficient adhesion even when exposed to a high temperature, and has excellent oxidation resistance and crack resistance. The problem is solved by a thermoelectric conversion element provided with a thermoelectric conversion part, wherein the thermoelectric conversion part is coated with a film which contains magnesium silicide and/or manganese silicide, and also contains Si and Zr.

IPC Classes  ?

• H01L 35/14 - Selection of the material for the legs of the junction using inorganic compositions
• C01B 33/06 - Metal silicides
• H01L 35/34 - Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof

Abstract

22222O is in the range of 1.8-7.0, and M is an alkali metal), (B) a stabilized zirconium oxide, and (C) a component including at least one selected from the group consisting of metal oxide particles and clay minerals (other than compound and/or mixture (A) and stabilized zirconium oxide (B)).

IPC Classes  ?

• 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

Abstract

The present invention addresses the problem of providing a metal surface treatment agent with which it is possible to form a coating film that exhibits good corrosion resistance at an edge part of a coated metal material, such as a cut location. This problem can be solved by a metal surface treatment agent which contains ions (A) including at least one type of metal selected from among zirconium, titanium and hafnium at a metal-equivalent molar concentration of 0.1 mmol/L or more and a water-based urethane resin (B) having a weight average molecular weight of 50,000 or more at a solid content mass concentration of 0.5-10 g/L, and in which the ratio [BM/AM] of the metal-equivalent mass (AM) of the ions (A) and the solid content mass (BM) of the resin (B) is 0.7 or more.

IPC Classes  ?

• C23C 26/00 - Coating not provided for in groups

Abstract

This sliding spline shaft device is provided with male splines, and female splines which fit together with the male splines so as to be capable of moving in the axial direction, with at least one of the sets of splines having a surface-treated layer. The surface-treated layer has, in order, an undercoat layer, an intermediate layer containing phosphate, and a topcoat layer containing a solid lubricant. The undercoat layer contains iron nitride and/or iron carbide, and a base material surface has high hardness; therefore, there is little microscopic deformation of the sliding surface and an increase in the real contact area can be suppressed, thereby preventing stick-slip.

IPC Classes  ?

• F16D 1/02 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
• C10M 103/02 - Carbon; Graphite
• C10M 103/06 - Metal compounds
• C23C 8/22 - Carburising of ferrous surfaces
• C23C 8/30 - Carbo-nitriding
• C23C 8/50 - Nitriding of ferrous surfaces
• F16D 3/06 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement

Abstract

The present invention is a nitrided steel member in which a carbon steel having a carbon content of 0.10% by mass or more or a low alloy steel makes up a parent phase and an iron nitride compound layer is formed on the surface of the parent phase, the nitrided steel member being characterized in that the thickness of the iron nitride compound layer is 13 μm or more, the Vaγ'/(Vaε+Vaγ') value is 0.5 or more wherein Vaγ' and Vaε respectively represent the volume ratio of a γ' phase and the volume ratio of an ε phase in the entire region of the iron nitride compound layer, and the Vbγ'/(Vbε+Vbγ') value is 0.2 or more wherein Vbγ' and Vbε respectively represent the volume ratio of the γ' phase and the volume ratio of the ε phase in a lowermost region of the iron nitride compound layer when the iron nitride compound layer is divided into four regions in the depth direction.

IPC Classes  ?

• C23C 8/26 - Nitriding of ferrous surfaces
• C21D 1/06 - Surface hardening
• C21D 1/76 - Adjusting the composition of the atmosphere
• C22C 38/00 - Ferrous alloys, e.g. steel alloys
• F27B 5/04 - Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
• F27B 5/16 - Arrangements of air or gas supply devices
• F27B 5/18 - Arrangement of controlling, monitoring, alarm or like devices
• C21D 9/30 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for camshafts
• C21D 9/32 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like

Abstract

Provided are a novel chemical conversion treatment agent which is capable of forming, on/over the surface of a metal material, a chemical conversion coating which is superior in corrosion resistance, a method for producing a chemical conversion coating on/over the surface of a metal material with the use of the chemical conversion treatment agent, a metal material having a coating, and a painted metal material. The problem mentioned above can be solved by the chemical conversion treatment agent for forming a coating on/over the surface of a metal material, which characterized by containing: an ion containging at least one metal selected from the group consisting of titanium, zirconium and hafnium; a fluorine ion; at least one selected from the group consisting of an alkanesulfonic acid, an alkanolsulfonic acid, and ions thereof; and an ion containing trivalent iron.

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 22/00 - 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

Abstract

322, where R is a hydrogen atom or an alkyl group optionally having an alkoxy or hydroxyl group), the ratio of the number of urea groups to the number of X groups in the molecule, (urea groups)/(X groups), being in the range of 0.01-0.45; and a composition containing the polysiloxane compound.

IPC Classes  ?

• C08G 77/54 - Nitrogen-containing linkages
• C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
• C08G 18/77 - Polyisocyanates or polyisothiocyanates having hetero atoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur

Abstract

The present invention addresses the problem of providing a surface-treating agent for aluminum or aluminum alloy materials, whereby it becomes possible to form, on an aluminum or aluminum alloy material, a surface-treated coating film that has excellent corrosion resistance and can have excellent corrosion resistance even when the coating film is exposed to a high temperature. The problem can be solved by a surface-treating agent which can be used for the treatment of a surface of an aluminum or aluminum alloy material and contains (A) an ion containing trivalent chromium, (B) at least one ion selected from an ion containing titanium and an ion containing zirconium, (C) an ion containing zinc, (D) a free fluorine ion (D), and (E) a nitrate ion.

IPC Classes  ?

• C23C 22/30 - 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 hexavalent chromium compounds containing also trivalent chromium
• 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

Abstract

Provided is a substrate having a surface made entirely or at least partially of a metal material, wherein the surface of the metal material has holes, and requirements (1) and (2) below are satisfied. (1) The load length ratio (Pmr) of a cross section curve is at least 40% at a cutting level of 30% and an evaluation length of 10 μm. (2) The aspect ratio (b/a) of the average hole entrance diameter (a) to the average hole depth (b) is 2-50.

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
• C23F 1/00 - Etching metallic material by chemical means

Abstract

The present invention addresses the problem of providing a metal material for plastic working, which has excellent welding resistance. The above-described problem is able to be solved by a metal material for plastic working, which has a first coating film on the surface of the metal material, while having a second coating film in or on the surface of the first coating film, and wherein the second coating film serves as a surface layer and contains a compound that has a benzene ring to which at least one carboxy group is directly bonded, or a salt or peroxide of the compound.

IPC Classes  ?

• C23C 26/00 - Coating not provided for in groups
• B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
• C10M 105/28 - Carboxylic acids or their salts having only one carboxyl group bound to a carbon atom of a six-membered aromatic ring
• C10M 105/30 - Carboxylic acids or their salts having more than one carboxyl group bound to a carbon atom of a six-membered aromatic ring
• C23C 22/08 - Orthophosphates
• 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 28/00 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and
• C10N 30/06 - Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
• C10N 40/24 - Metal working without essential removal of material; Punching metal
• 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

Abstract

The present invention provides: a surface treatment agent capable of forming a hexavalent chromium-free chemical coating with which it is possible to form, on a variety of metallic materials, a coating having excellent corrosion resistance; a metallic material having a surface treatment coating produced by said surface treatment agent; and a manufacturing method for such a metallic material. This metallic material surface treatment agent for treating the surface of a metallic material comprises: a supply source (A) of at least one type of trivalent chromium-containing ion A; a supply source (B) of ion B that is at least one type selected from the group consisting of titanium-containing ions and zirconium-containing ions; a water-soluble or water-dispersible compound (C) that has an alkoxy silyl group, an aromatic ring, a hydroxy group directly bound to the aromatic ring, and at least one amino group selected from the group consisting of primary amino groups, secondary amino groups, tertiary amino groups, and quaternary ammonium groups, the alkoxy silyl group being bound either directly or via an alkylene group to the nitrogen atom in the amino group; and a fluorine-containing compound (D) capable of providing fluorine-containing ions, wherein the surface treatment agent includes free fluorine ions.

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 22/30 - 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 hexavalent chromium compounds containing also trivalent chromium
• C23C 22/78 - Pretreatment of the material to be coated

Abstract

The present invention provides: a novel metal surface treatment agent that is capable of forming a highly corrosion-resistant surface treatment film at or on the surface of a metal material; a metal material having a surface treatment film formed using said metal surface treatment agent; and a method for manufacturing such a metal material. The present invention pertains to: a metal surface treatment agent that comprises iron, an amino-group-containing compound (excluding ones containing a carboxy group), and a linear carbon chain compound having three or more hydroxyl groups bonded thereto; a metal material having a surface treatment film formed using said metal surface treatment agent; and a method for manufacturing same.

IPC Classes  ?

• C23C 22/78 - Pretreatment of the material to be coated
• B05D 1/36 - Successively applying liquids or other fluent materials, e.g. without intermediate treatment
• B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
• C09D 1/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
• C09D 5/08 - Anti-corrosive paints
• C09D 7/63 - Additives non-macromolecular organic

Abstract

This nitrided steel member contains a carbon steel or a low alloy steel as a matrix phase, and is characterized by having a hardened layer having a martensite structure containing 0.8% or more of nitrogen at the surface of the member, having a diffusion layer, in which nitrogen diffuses into the matrix phase, below the hardened layer, and in that the hardened layer has a thickness of 2-50 µm from the surface of the nitrided steel member, the diffusion layer extends to a depth of more than 100 µm from the surface of the nitrided steel member, and the hardness of the diffusion layer at a depth of 100 µm from the surface of the nitrided steel member is at least 100 HV more than the hardness at a depth of 2 mm from the surface of the nitrided steel member.

IPC Classes  ?

• C23C 8/26 - Nitriding of ferrous surfaces
• C21D 1/06 - Surface hardening
• C21D 1/76 - Adjusting the composition of the atmosphere
• F27B 5/04 - Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
• F27B 5/16 - Arrangements of air or gas supply devices
• F27B 5/18 - Arrangement of controlling, monitoring, alarm or like devices