The present invention relates to the provision of polyurethane-based structural integral skin solid surface materials. It provides reaction mixtures comprising polyols, polyisocyanates and at least two different kind of blowing agents with different behavior. It is also directed at methods for producing solid surface materials from the aforementioned reaction mixtures.
C08G 18/72 - Polyisocyanates or polyisothiocyanates
C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
A method of manufacturing a light emitting diode (LED) headlight unit that includes an integrally molded heat sink, LED module, and optics component. The method of manufacturing includes injection molding the heat sink that incorporates the LED module in a first injection molding step and then forming the optics component on the top surface of the heatsink in a second injection molding step. In an alternative method of manufacturing the LED headlight unit with the integrally molded heat sink, LED module, and optics component, the optics component is molded first, and the heat sink is molded onto the bottom surface of the optics component, thereby integrating the LED module into the heat sink.
B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
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
B29C 45/16 - Making multilayered or multicoloured articles
B60Q 1/04 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
F21S 45/47 - Passive cooling, e.g. using fins, thermal conductive elements or openings
B29K 69/00 - Use of polycarbonates as moulding material
B29L 11/00 - Optical elements, e.g. lenses, prisms
B29L 31/30 - Vehicles, e.g. ships or aircraft, or body parts thereof
The present invention relates to a method for stably storing an isocyanate composition, the stably stored isocyanate composition, and a polyurethane resin prepared from the isocyanate composition.
The invention relates to a multilayer composite, containing a first polymeric layer which on a side is coated with a printing ink containing a polyurethane as binder, and a second layer which with a polyurethane dispersion as adhesive is joined at least partly with the side of the first polymeric layer which is coated with the printing ink containing a polyurethane as binder.
C08J 5/12 - Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 15/09 - 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 polyesters
B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
B32B 37/24 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
B65D 65/40 - Applications of laminates for particular packaging purposes
B65D 81/34 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs intended to be cooked or heated within the package
A method of manufacturing a light emitting diode (LED) headlight unit that includes an integrally molded heat sink, LED module, and optics component. The method of manufacturing includes injection molding the heat sink that incorporates the LED module in a first injection molding step and then forming the optics component on the top surface of the heatsink in a second injection molding step. In an alternative method of manufacturing the LED headlight unit with the integrally molded heat sink, LED module, and optics component, the optics component is molded first, and the heat sink is molded onto the bottom surface of the optics component, thereby integrating the LED module into the heat sink.
B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
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
B29C 45/16 - Making multilayered or multicoloured articles
B60Q 1/04 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
F21S 45/47 - Passive cooling, e.g. using fins, thermal conductive elements or openings
B29K 69/00 - Use of polycarbonates as moulding material
B29L 11/00 - Optical elements, e.g. lenses, prisms
B29L 31/30 - Vehicles, e.g. ships or aircraft, or body parts thereof
The present invention relates to a method for recovering raw materials (i.e. of polyols and optionally additionally amines) from polyurethane foams, comprising chemolysis. The chemolysis is characterised in that a polyurethane foam is reacted with an alcohol and water in the presence of a catalyst at a temperature of between 130° C. and 195° C., the mass ratio of (total) alcohol and (total) water to the polyurethane foam [i.e. m(alcohol+water)/m(polyurethane foam), where “m”=mass] being between 0.5 and 2.5, and the mass of the water being between 4.0% and 10% of the mass of the alcohol. The catalyst comprises a metal salt selected from a carbonate, a hydrogen carbonate, an orthophosphate, a monohydrogen orthophosphate, a metaphosphate or a mixture of two or more of said metal salts.
C08J 11/24 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing hydroxyl groups
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
C08J 11/14 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with steam or water
C08J 11/16 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
7.
PROCESS FOR PREPARING BISPHENOL A (BPA) IN THE PRESENCE OF ACETOPHENONE
The present invention relates to a process for preparing bisphenol A in the presence of acetophenone without poisoning the catalyst system comprising an ion exchange resin catalyst and a sulfur containing cocatalyst. Moreover, the present invention provides a process for preparing polycarbonate.
C07C 37/20 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms using aldehydes or ketones
C07C 37/84 - Separation; Purification; Stabilisation; Use of additives by physical treatment by crystallisation
C08G 64/30 - General preparatory processes using carbonates
The present invention relates to a polycarbonate composition comprising the following components, relative to the total weight of the composition: A) 40-85 wt.% of an aromatic polycarbonate, B) 1-30 wt.% of acrylonitrile-butadiene-styrene, C) 8-15 wt.% of wollastonite, D) 1-3.5 wt.% of bisphenol-A bis(diphenyl phosphate), and E) 2.5-6 wt.% of styrene-acrylonitrile-methacrylate. The present invention also relates to a shaped article made from the composition. The polycarbonate composition according to the present invention has a good combination of impact strength, heat resistance, and aesthetic appearance.
The present invention relates to an E/E component comprising electrical conductors L1 and L2, which are connected via a thermoplastic material M. The distances between the electrical conductors L1 and L2 are dependent on the operating voltage of the E/E component. The thermoplastic material comprising polycarbonate, selected rubber-modified graft polymer and phosphorus-containing flame retardant exhibits a high tracking resistance and allows small distances and hence a small design overall.
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
C08L 51/00 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
10N2mN2N2NN AUS2nNN FIK2mNMAXMAX FIK2miNii 2mii 2mm) (for example in mol • h-1NI2i22) (for example in mol • h-1i2mi22) each represent the period between two successive determinations.
C07C 209/36 - Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings
G16B 99/00 - Subject matter not provided for in other groups of this subclass
G16C 60/00 - Computational materials science, i.e. ICT specially adapted for investigating the physical or chemical properties of materials or phenomena associated with their design, synthesis, processing, characterisation or utilisation
11.
PROCESS FOR PREPARING BISPHENOL A (BPA) IN THE PRESENCE OF BENZENE
The present invention relates to a process for preparing bisphenol A in the presence of benzene without poisoning the catalyst system comprising an ion exchange resin catalyst and a sulfur containing cocatalyst. Moreover, the present invention provides a process for preparing polycarbonate.
C07C 37/20 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms using aldehydes or ketones
C07C 37/84 - Separation; Purification; Stabilisation; Use of additives by physical treatment by crystallisation
The present invention relates to a process for preparing polyether-containing thermoplastic polyurethanes and to polyether-containing thermoplastic polyurethanes obtained or obtainable by these processes. The invention further relates to the use of these polyether-containing thermoplastic polyurethanes and to articles comprising or consisting of the polyether-containing thermoplastic polyurethane. The invention moreover relates to the use of a C3 polyether homopolymer polyol in combination with a C2 polyether homopolymer polyol and/or a C2/C3 polyether block copolymer polyol and/or C4 polyether homopolymer polyol, preferably of a C3 polyether homopolymer polyol in combination with a C2/C3 polyether block copolymer polyol, for increasing the low-temperature impact strength and/or the tensile strength of polyether-containing thermoplastic polyurethanes.
The invention relates to a process for producing phosgene, especially for the reaction of phosgene with organic amino compound to give organic isocyanate. In this process, at least one carbon dioxide gas stream that has been formed from a hydrolysis of organically modified carbamate and may have been freed of secondary constituents is reductively converted to carbon monoxide. The resulting carbon monoxide is reacted with chlorine in a phosgene synthesis to give phosgene. The organically modified carbamate for the process can preferably be obtained from a chemolysis of end-of-life polyurethane material, especially with alcohols, amines or amino alcohols as chemolysis reagent.
C07C 269/06 - Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups the nitrogen atom not being part of nitro or nitroso groups by reactions not involving the formation of carbamate groups
The present invention relates to a process for recovering raw materials from a polyurethane foam, comprising step (A), the providing of a polyurethane foam based on an isocyanate component and a polyol component, wherein the polyurethane foam comprises a cell structure containing one or more volatile accompanying substances, namely a component X selected from the group consisting of oxygen, a blowing agent, a disinfectant and a mixture of two or more of the above, wherein component X comprises at least oxygen, step (B), the chemolysis of the polyurethane foam with a chemolysis reagent, wherein the polyurethane foam is degassed before being contacted with the chemolysis reagent, wherein at least oxygen, but preferably all constituents of component X or any gaseous breakdown products thereof that have formed are removed from the chemolysis apparatus in gaseous form via a gas removal device at a pressure of not more than 960 mbar(abs.) and a temperature of not more than 120° C., so as to obtain a degassed polyurethane foam, followed by the reaction of the degassed polyurethane foam with the chemolysis reagent in the presence of a catalyst in an inert gas atmosphere and the workup of the product mixture obtained by the chemolysis, step (C), the obtaining of at least one polyol, and optionally step (D), the obtaining of at least one amine corresponding to an isocyanate of the isocyanate component.
C08J 11/26 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing carboxylic acid groups, their anhydrides or esters
C08J 11/24 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing hydroxyl groups
The invention relates to a housing assembly based on polycarbonate material, of which at least the front cover and the back cover are easily recyclable due to its separability into different parts for all components which are attached to the front cover or the back cover and which cannot be recycled together with the front cover or the back cover, respectively. Snap-fits, interference-fits, predetermined breaking points and other means are used for an easily detachable, but for use safe connection of the single parts.
An aqueous adhesive formulation; containing a mixture of: at least one partially crystallised or crystalline polyurethane having a fusion temperature of 35 to 80° C. and an enthalpy of fusion of ≥35 J/g as component A; at least one plasticiser as component B; at least one salt as component C; and optionally at least one further polymer as component D. The mixture contains: 30 to 94.9 wt. % component A; 5 to 45 wt. % component B; 0.001 to 3 wt. % component C; and optionally 0 to 30 wt. % component D, each based on the total of the amounts of the components A, B, C and optionally D present in the mixture.
The invention relates to a system for impregnating fibers for a polyurethane pultrusion process, the system for impregnating fibers comprising an injection box (101), the injection box (101) having a cavity for the fiber material to pass through, and the cavity having an inlet (102) and an outlet (103), wherein the lower wall section (107) of the inner wall of the cavity includes one or more slopes, the lower edge of the inlet of the cavity is not lower than the lower edge of the outlet (103) of the cavity, and the slope closest to the inlet makes the inlet (102) of the cavity sloping down towards the outlet (103).
A method for operating an electrochemical reactor is disclosed. The reactor comprises, as electrodes, an anode and a cathode. Additionally, the reactor is configured to receive a feed of a starting material, to effect electrochemical reaction of the starting material into a product in the presence of a catalyst-coated electrode, and to output the product. The reactor is operated based on a set of operation parameters, the operation parameters at least comprising a voltage over the electrodes of the reactor and a dosage of catalyst solution and/or catalyst precursor solution into the feed of the starting material. The method comprises: receiving a reactor model, the reactor model describing a behavior of the reactor, including at least a relation between the voltage over the electrodes, and the dosage of catalyst solution and/or catalyst precursor solution into the starting material feed, determining an optimized dosage by optimizing the dosage of catalyst solution and/or the catalyst precursor into the starting material feed in order to minimize the voltage using the reactor model, and outputting the optimized dosage for being used at operating the reactor. Additionally, an according system is disclosed as well as a computer program product and a computer-readable storage medium.
The invention relates to a benzopyrylium dyestuff of formula (I), wherein R200,R201, R202, R203, R204, R205, R206, R207and R2081164771661016iisopropylamino, a six-membered, saturated ring linked via the N of the amino group, which can also include an N or O and can be substituted by non-ionic random groups or a combination of at least two thereof, and/or R200with R201or R201with R202or R202with R203and/or R205with R206and/or R206with R2072222-bridge, wherein the anion Ann- has a molecular weight of ≥ 200 g/mol and contains no halogen atom.
The invention relates to a method for treating residue from the production of organic isocyanates via the phosgenation of organic amines, comprising a step of mixing a first residue A with a second residue B, obtaining a residue mixture, wherein the residue A is obtained from the production of 1,5-pentane diisocyanate and the residue B comes from the production of an isocyanate that is different from 1,5-pentane diisocyanate. The invention also relates to the use of a first residue A from the production of 1,5-pentane diisocyanate to stabilise a second residue B from the production of at least one organic isocyanate that is different from 1,5-pentane diisocyanate, and stabilised residue mixtures.
The present invention relates to a concentrator for heliostats used in solar tower power plants, the concentrator comprising polyurethane foam, to a process for manufacturing the concentrator, and to a use of a polyurethane foam in the concentrator.
F24S 20/20 - Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
B29C 44/34 - Component parts, details or accessories; Auxiliary operations
B29C 44/56 - After-treatment of articles, e.g. for altering the shape
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
C08G 18/18 - Catalysts containing secondary or tertiary amines or salts thereof
The present invention relates to composition at least including (A) at least one epoxy-group terminated polyoxazolidinone, derived from at least one polyisocyanate compound and at least one aliphatic polyepoxide compound, (B) at least one compound having at least one group that is reactive towards terminal epoxy-groups, and (C) at least one solvent. The molar ratio of the epoxy groups of the polyepoxide compound to the isocyanate groups of the polyisocyanate compound is 50:1 to 2.4:1. The at least one epoxy-group terminated polyoxazolidinone is present in an amount of 50 to 95% by weight, in respect of the solid content of the composition. The sum of all components in respect of the solid content of the composition adds up to 100% by weight and where the solid content of the composition is at least 35% by weight.
The present invention relates to a process for preparing bisphenol A in the presence of alpha-methylstyrene without poisoning the catalyst system comprising an ion exchange resin catalyst and a sulfur containing cocatalyst. Moreover, the present invention provides a process for preparing polycarbonate.
C07C 37/20 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms using aldehydes or ketones
24.
PROCESS FOR PREPARING BISPHENOL A (BPA) IN THE PRESENCE OF 2-METHYL BENZOFURAN
The present invention relates to a process for preparing bisphenol A in the presence of 2-methyl benzofuran without poisoning the catalyst system comprising an ion exchange resin catalyst and a sulfur containing cocatalyst, wherein at least part of the sulfur containing cocatalyst is neither covalently nor ionically bound to the ion exchange resin catalyst. Moreover, the present invention provides a process for preparing polycarbonate.
C07C 37/20 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms using aldehydes or ketones
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
09 - Scientific and electric apparatus and instruments
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Chemicals used in industry; unprocessed plastics; unprocessed synthetic resins; adhesives used in industry. Dyes, lacquers, colorants, pigments, printing ink, thermographic ink, invisible ink, conductive inks, security inks, metallic ink; metameric inks, specialty coatings for the protection and enhancement of printed plastic and paper surfaces; raw natural resins; sheet metals in foil and powder form for painters; surface coating agents in the form of paints and lacquers; primers; additives for paints. Coded identification cards; biometric passports; plastic cards [encoded]; biometric identity cards; encoded key cards; cards (magnetic or encoded-); magnetic payment cards; magnetic badges; electronic chip cards; holographic films; optical testing devices for quality assurance of printed films; security devices and security features used in banknotes and other security documents; optically variable devices; diffractive security devices, including diffraction gratings, holograms and diffractive optical elements; currency authentication apparatus and equipment; detectors and sensing apparatus; apparatus and equipment for detecting security documents, security films; security devices; optical detection apparatus; magnetic encoded cards and films; smart cards; identification cards; encoded charge cards; bank cards; credit cards; debit cards; payment cards; card readers; computer hardware and software for use in currency authentication apparatus and equipment; computer hardware and software for producing diffractive security devices; computer hardware and software for implementing encryption, authentication software and other security features in relation to encoded cards and films. Adhesive tapes, strips, bands and films; adhesive bands other than stationery and not for household purposes; adhesive tapes for industrial purposes; synthetic resins (semi-finished products); recycled plastic materials for use in manufacture; reprocessed and recycled plastics and plastics materials; synthetic resins (semi-processed); printable plastic films for various applications, including banknote production; plastic materials for the production of durable printable banknotes; films of plastics material for use as currency or as security documents or devices, including laminated polymer films; films of plastics materials; laminated polymer films for use as currency or as security documents or devices; press-ready laminated polymer films for the printing of banknotes and other security documents; encrypted or encoded polymeric films and substrates; banknotes and other security documents or devices formed from films of plastics materials, combined or not with paper.
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
09 - Scientific and electric apparatus and instruments
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Chemicals used in industry; unprocessed plastics; unprocessed synthetic resins; adhesives used in industry. Dyes, lacquers, colorants, pigments, printing ink, thermographic ink, invisible ink, conductive inks, security inks, metallic ink; metameric inks, specialty coatings for the protection and enhancement of printed plastic and paper surfaces; raw natural resins; sheet metals in foil and powder form for painters; surface coating agents in the form of paints and lacquers; primers; additives for paints. Coded identification cards; biometric passports; plastic cards [encoded]; biometric identity cards; encoded key cards; cards (magnetic or encoded-); magnetic payment cards; magnetic badges; electronic chip cards; holographic films; optical testing devices for quality assurance of printed films; security devices and security features used in banknotes and other security documents; optically variable devices; diffractive security devices, including diffraction gratings, holograms and diffractive optical elements; currency authentication apparatus and equipment; detectors and sensing apparatus; apparatus and equipment for detecting security documents, security films; security devices; optical detection apparatus; magnetic encoded cards and films; smart cards; identification cards; encoded charge cards; bank cards; credit cards; debit cards; payment cards; card readers; computer hardware and software for use in currency authentication apparatus and equipment; computer hardware and software for producing diffractive security devices; computer hardware and software for implementing encryption, authentication software and other security features in relation to encoded cards and films. Adhesive tapes, strips, bands and films; adhesive bands other than stationery and not for household purposes; adhesive tapes for industrial purposes; synthetic resins (semi-finished products); recycled plastic materials for use in manufacture; reprocessed and recycled plastics and plastics materials; synthetic resins (semi-processed); printable plastic films for various applications, including banknote production; plastic materials for the production of durable printable banknotes; films of plastics material for use as currency or as security documents or devices, including laminated polymer films; films of plastics materials; laminated polymer films for use as currency or as security documents or devices; press-ready laminated polymer films for the printing of banknotes and other security documents; encrypted or encoded polymeric films and substrates; banknotes and other security documents or devices formed from films of plastics materials, combined or not with paper.
The invention relates to a two-component coating system and a preparation method and use thereof, as well as grout or caulk comprising the coating system. The two-component coating system comprises component A comprising a polyaspartic acid ester and component B comprising a polyisocyanate, wherein the polyisocyanate has isocyanate functionality of not less than 4, and the polyisocyanate comprises allophanate groups and isocyanurate groups, and the ratio of moles of the allophanate groups to the sum of moles of the isocyanurate groups and the allophanate groups is of not less than 65:100. The two-component coating system of the present invention forms a coating with small bubble area and good resistance to yellowing and to stain resistance.
The present invention relates to a process for preparing bisphenol A in the presence of at least two impurities being selected from the group consisting of 2-methylbenzofurane, hydroxyacetone, alpha-methylstyrene, acetophenone, benzene and/or cumene without poisoning the catalyst system comprising an ion exchange resin catalyst and a sulfur containing cocatalyst, wherein at least part of the sulfur containing cocatalyst is not chemically bound to the ion exchange resin catalyst. Moreover, the present invention provides a process for preparing polycarbonate.
C07C 37/20 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms using aldehydes or ketones
C08G 64/24 - General preparatory processes using carbonyl halides and phenols
29.
COMPOSITE COMPONENT COMPRISING A PIECE OF MATERIAL COMPOSED OF FOAM MATERIAL OR ELASTOMER MATERIAL
A composite component having a piece of material which is elastic in particular and is composed of a foam material or an elastomer material or a silicone, where the piece of material is bonded, inextricably in particular, to a film sensor for measurement of one or more parameters, especially parameters of a human or animal body, having a piece of film with at least one electrical wire disposed on said piece of film, and having at least one measurement sensor which is preferably disposed on said piece of film and is connected to the electrical wire in an electrically conductive manner.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
The invention relates to a method for producing isocyanate-terminated, urethane group-containing prepolymers, comprising reacting a reaction mixture that contains a stoichiometric excess of at least one aliphatic and/or cycloaliphatic diisocyanate and a polyol composition having an OH number >400, characterized in that the reaction mixture is mixed with a specific power input of 0.5 kW/m3 to 40 kW/m3, relative to the total volume of the reaction mixture.
ALMA MATER STUDIORUM - UNIVERSITÀ DI BOLOGNA (Italy)
Inventor
Thiebes, Christoph
Fait, Thomas
Sisti, Laura
Zanaroli, Giulio
Totaro, Grazia
Romano, Angela
Rosato, Antonella
Celli, Annamaria
Abstract
The present invention relates to the stabilization of lipases in layered double-hydroxide structures, polymers containing such stabilized lipases and methods for manufacturing enzymatically degradable polymers.
C12N 9/20 - Triglyceride splitting, e.g. by means of lipase
C12N 9/96 - Stabilising an enzyme by forming an adduct or a composition; Forming enzyme conjugates
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
32.
POLYCARBONATE POLYESTER COMPOSITION, MOLDING COMPOUND AND MOLDING BODY HAVING A GOOD IMPACT STRENGTH AND HIGH THERMAL LOADING CAPABILITY
The present invention relates to a composition for producing a thermoplastic molding compound, the composition comprising the following constituents or consisting therefrom: A) at least one polymer selected from the group consisting of polycarbonate and polyester carbonate, B) at least one polyester, C) phosphorous acid, D) at least one phosphonite, and E) at least one sterically hindered phenol. Furthermore, the present invention relates to a method for producing a thermoplastic molding compound from the composition, to the molding compound itself, and to the use of the composition and the molding compound for producing molding bodies.
A sensor unit for securing to a human or animal body, especially to the skin of the body, having a sensor portion that has a film sensor for measurement of one or more body parameters, having a piece of film that has at least one electrical wire disposed on said piece of film and having a measurement sensor that has electrically conductive connection to said wire and is preferably disposed on said piece of film, and having an electronics portion which is connected, preferably releasably, to said sensor portion and has an electronics unit for operation of said film sensor.
The present invention relates to an adhesive composition, the preparation and use thereof, and an article obtained by bonding with the composition. The adhesive composition comprises an aqueous anionic polyurethane dispersion and a uretdione group-containing polyisocyanate, wherein the aqueous polyurethane dispersion comprises a polyurethane polymer and water and wherein the polyurethane polymer is obtained by the reaction of a system comprising the following components: a) a polyisocyanate; b) an isocyanate reactive group-containing compound including a polyester polyol, wherein the polyester polyol is in an amount of greater than 10% by weight, relative to the total weight of the isocyanate reactive group-containing compound; and c) a chelating agent in an amount of 0.01% to 1.95% by weight, relative to the total weight of solid constituents of the composition. The adhesive composition of the present invention has good adhesion, good high temperature resistance and aging resistance.
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
The present application relates to a heat-resistant semi-conductive thermoplastic resin composition and shaped articles made therefrom. The thermoplastic resin composition comprises the following components: an aromatic polycarbonate, a polyalkylene terephthalate, a conductive carbon black and a reinforcement material. The shaped article made from the thermoplastic resin composition according to the present invention has a good combination of heat-resistance, semi-conductivity and dimensional stability.
The present invention relates to an aqueous polyurethane urea dispersion containing a polyurethane urea and a preparation process and use thereof, especially to the use in the field of coatings, adhesives or sealants, and the products obtained by coating, bonding or sealing with the polyurethane urea dispersion. The polyurethane urea of the aqueous polyurethane urea dispersion containing the polyurethane urea is obtained by the reaction of a system including the following components: a mixture of isocyanates, a polymer polyol, a monofunctional nonionic hydrophilic compound and a potentially anionic or anionic hydrophilic compound; said aqueous polyurethane urea dispersion has a viscosity of 5 s-18 s; relative to the total weight of said aqueous polyurethane urea dispersion, the amount of said polyurethane urea is 30 wt %-50 wt %. The aqueous polyurethane urea dispersion of the present invention has good compatibility with various organic solvents.
3322 and mica as well as combinations of said fillers; and D) optionally at least one non-polymeric polymer additive and/or at least one non-polymeric processing aid, in each case different from component C, wherein the weight ratio of component B to component C is at least 0.5 and wherein the weight proportion of component B1 in component B is at least 20%, and wherein the moulding composition has a mass fraction of free bisphenol-A of less than 30 ppm. The invention also relates to: a method for producing a moulding composition; the use of the moulding composition to produce a moulded body; and a moulded body containing the moulding composition or consisting of the moulding composition.
A process comprising at least the steps a) providing a reaction space containing a component including at least one polychlorine anion-containing compound, preferably at least one polychlorine anion-containing compound in the form of an ionic liquid, b) contacting carbon monoxide with said component in the reaction space and there reacting the carbon monoxide to form phosgene-containing product, c) optionally collecting the phosgene from the phosgene-containing product of step b), d) optionally reacting the phosgene from the phosgene-containing product of step b) or the collected phosgene from step c) with a phosgene-reactive component, makes it possible to prepare, in step b), a phosgene-containing product which contains less than 5.0% by weight of Cl2 base on its total weight.
The invention relates to a polycarbonate containing structural units derived from bisphenol-A and A) structural units that are derived from a hydroxybenzoic acid, are present as end groups, and have free COOH functionality and B) structural units that are optionally derived from a hydroxybenzoic acid, wherein component B) is selected from at least one representative from B1) structural units that are derived from a hydroxybenzoic acid, are present as end groups, and have esterified COOH functionality, and B2) structural units that are derived from a hydroxybenzoic acid and are incorporated into the polymer chain via an ester or acid anhydride group, wherein the content of free bisphenol A in the polycarbonate is at most 50 ppm and wherein, if component B is present, the ratio of the molar amount of component B1 to the sum of the molar amounts of components A and B is at most 0.07. The invention also relates to: a method for preparing such a polycarbonate; the use of such a polycarbonate in a method for preparing copolymers or thermoplastic compositions containing copolymers; a copolymer containing structural units derived from the polycarbonate; a thermoplastic (moulding) composition; and a moulded body containing the polycarbonate and/or the copolymer.
C08G 81/02 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
40.
METHOD FOR THE PRODUCTION OF THERMOPLASTIC POLYOXAZOLIDINONE POLYMERS
A process for producing a thermoplastic polyoxazolidinone comprising copolymerizing a diisocyanate compound with a bisepoxide compound in the presence of a catalyst, in a solvent, wherein the solvent (E) comprises at least one of a substituted or unsubstituted alkyl nitrile, a substituted or unsubstituted alkenyl nitrile, a substituted or unsubstituted cycloalkyl nitrile, a substituted or unsubstituted aryl nitrile, a substituted or unsubstituted alkylcycloalkyl nitrile, a substituted or unsubstituted alkylaryl nitrile, a substituted or unsubstituted hetercycloalkyl nitrile, a substituted or unsubstituted heteroalkyl nitrile, and a substituted or unsubstituted heteroaryl nitrile, preferably a substituted or unsubstituted aryl nitrile. The invention is also related to the resulting thermoplastic polyoxazolidinone.
The present invention relates to a method for producing composite components with improved interlaminar bonding, the components comprising a carrier, comprising polycarbonate and at least one polyurethane layer that is in direct contact with this carrier. The invention also relates to composite components with improved interlaminar bonding, and to the use of a polycarbonate with defined OH content as a carrier material in the production of composite components with improved interlaminar bonding.
The invention relates to a process according to claim 1, in which nitric acid, as direct process product from a process for nitric acid preparation comprising the following steps: a) providing hydrogen gas (5d) and oxygen gas (5b) by performing a water electrolysis (5) in an electrolysis apparatus using electrical energy (10) produced from renewable energy and water (5c); b) providing ammonia (21b) as process product of a reaction of at least nitrogen (21a) and hydrogen gas (5d) from said water electrolysis (5) in an ammonia synthesis (21); c) preparing nitric acid (22) by reacting previously provided ammonia (21b) in a nitric acid preparation (22) at least with oxygen-containing gas (5e), is used for preparation 22 of organic amino compounds 17 for the synthesis of organic isocyanate compounds. Also described are the incorporation of this process into a process for preparing organic isocyanate compounds with these organic amino compounds, and an apparatus for performing the corresponding process.
C25B 15/08 - Supplying or removing reactants or electrolytes; Regeneration of electrolytes
C01B 3/34 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
C01B 3/50 - Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
C01B 21/26 - Preparation by catalytic oxidation of ammonia
C07C 201/08 - Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
C07C 209/32 - Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
C07C 209/36 - Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings
C07C 263/10 - Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
C10K 3/02 - Modifying the chemical composition of combustible gases containing carbon monoxide to produce an improved fuel, e.g. one of different calorific value, which may be free from carbon monoxide by catalytic treatment
43.
Polycarbonate Compositions Containing Titanium Dioxide and Glass Flakes Comprising a Titanium Dioxide Coating
Described are reflective, titanium dioxide-containing polycarbonate compositions to which 0.001 wt. % to 0.25 wt. % glass flakes including a titanium dioxide coating are added to improve reflectance values, said glass flakes usually being used in larger quantities as effect pigments. Said compositions make it possible to produce brilliant white molded parts.
The invention relates to a method for producing phosgene, comprising at least the steps of: a) bringing a gas mixture containing carbon monoxide and chlorine into contact with a catalyst, the catalyst containing at least one ionic organic compound which contains monochloride anions and, on contact with chlorine, forms an ionic organic compound containing polychloride anions; b) converting the gas mixture into phosgene on the catalyst. With the invention, phosgene can be produced using less activation energy and in high yields without the use of conventional activated carbon catalysts.
An adhesive composition includes a polyurethane polymer, a solvent and a co-solvent. The polyurethane polymer is an internally and/or externally hydrophilized thermoplastic polyurethane having a mass average molecular weight Mw, as determined by gel permeation chromatography against polystyrene standards using N,N-dimethyl acetamide as the eluent, of ≥50000 g/mol, the solvent is a polar-aprotic solvent such as MEK and the co-solvent is water. The polyurethane polymer, the solvent and the co-solvent are present in such amounts that they form a dispersion. The polyurethane polymer content is ≥10 weight-%, based on the total weight of the composition and the weight ratio of solvent to co-solvent is in a range of ≥1:1 to ≤4:1.
The present invention relates to an aqueous dispersion at least containing (A) at least one polyurethane, (B) at least one fresh sol and (C) optionally further additives, wherein the at least one polyurethane is anionically hydrophilized, to a process for producing the dispersion, to the use of the dispersion for producing an adhesive composition, to a corresponding adhesive composition, to an adhesive laminate containing at least one substrate bonded with this adhesive composition, to a process for producing an adhesive laminate and to the use of a fresh sol for achieving a thickening effect in an aqueous polyurethane dispersion.
The present invention relates to a process for preparing a polyisocyanate, namely an isocyanate group-terminated polyol polyanthranilic acid ester. The process comprises the step of reacting an anthranilic acid derivative selected from anthranilic acid halide (in particular anthranilic acid chloride), isatoic anhydride or a mixture thereof with a first polyol of a number-average molar mass of at least 200 g/mol and a functionality in the range of 2 to 8, and obtaining, as a result, a polyamine (namely a polyol polyanthranilic acid ester with amine terminal groups) and reacting the polyamine with phosgene and obtaining, as a result, a polyisocyanate (namely an isocyanate group-terminated polyol polyanthranilic acid ester). The invention further relates to the polyisocyanates obtained in this way, their use in polyaddition reactions, and polyaddition products obtainable by these reactions.
C07C 263/10 - Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
C07C 227/18 - Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions involving amino or carboxyl groups, e.g. hydrolysis of esters or amides, by formation of halides, salts or esters
C07C 265/12 - Derivatives of isocyanic acid having isocyanate groups bound to carbon atoms of six-membered aromatic rings
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
C08G 18/77 - Polyisocyanates or polyisothiocyanates having hetero atoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
48.
METHOD FOR THE PRODUCTION OF THERMOPLASTIC POLYOXAZOLIDINONES
A process for producing thermoplastic polyoxazolidinones is provided. The process comprises copolymerization of a diisocyanate compound with a bisepoxide compound in the presence of a catalyst and a compound, wherein the compound is one or more compounds selected from the group consisting of monofunctional isocyanate, monofunctional epoxide, cyclic carbonate, monofunctional alcohol, monofunctional amine preferred monofunctional epoxide, wherein the process is performed at reaction temperatures of ≥178° C. to ≤230° C., wherein the bisepoxide compound (B) comprises 2,4′-isopropylidenediphenol diglycidyl ether (2,4′ BADGE) and 4,4′-isopropylidenediphenol diglycidyl ether (4,4′ BADGE); and wherein the molar ratio of 2,4′-isopropylidenediphenol diglycidyl ether (2,4′ BADGE) is from ≥3 mol-% to ≤11 mol-% related to the sum of 2,4′-isopropylidenediphenol diglycidyl ether (2,4′ BADGE) and 4,4′-isopropylidenediphenol diglycidyl ether (4,4′ BADGE). A resulting thermoplastic polyoxazolidinone is also provided.
The invention relates to an improved process for the preparation of double metal cyanide (DMC) catalysts for the preparation of polyoxyalkylene polyols, preferably polyether polyols and/or polyether carbonate polyols. The invention also relates to DMC catalysts which can be obtained by means of said process and to the use of the catalysts according to the invention for the production of polyoxyalkylene polyols.
C08G 65/26 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
The invention relates to a water-dispersible modified polyisocyanate and use thereof, especially as a crosslinking component in water-soluble or water-dispersible coating compositions. The water-dispersible modified polyisocyanate can be obtained by the reaction of a system comprising a water-dispersible polyisocyanate and an isocyanate-reactive component; wherein the viscosity of the water-dispersible modified polyisocyanate is 3000 mPa·s-11000 mPa·s, which is measured with a MV-DIN rotor according to DIN EN ISO 3219:1994-10 at 23° C. and a shear rate of 10 s−1. The modified polyisocyanate according to the present invention has good manual stirring behavior and good dispersibility, and the coating formed by the coating composition containing the modified polyisocyanate has high gloss and good transparency.
C08G 18/70 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
The invention relates to a distillation unit (100 000) which is designed for a continuous distillation process and to a method for a continuous operation for separating a liquid substance mixture (10) into two to six liquid product flows (201, 202, . . . ) with different compositions and into a gaseous product flow (300). For this purpose, an evaporation unit (10 000) is provided consisting of multiple evaporation devices (10 000-1, 10 000-2, . . . ), wherein each evaporation device has a circuit device (1 200-1, 1 200-2, . . . ) for recirculating a sub-quantity of each of the liquid sump flows (22, 21, . . . ) of an evaporation device into the respective evaporation device, and each of the circuit devices additionally has a discharge device (1 300-1, 1 300-2, . . . ) for providing one of the liquid product flows (201, 202, . . . ).
The invention relates to a process for producing hydrophilically modified polyisocyanates having a very low content of monomeric diisocyanates, to the polyisocyanates obtainable or obtained by said process and to the use thereof for producing polyurethane plastics. The invention further relates to coating compositions containing the nonionically hydrophilized polyisocyanates and to the substrates coated with these coating compositions.
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
The present invention relates to a polyisocyanate mixture containing at least one polyisocyanurate polyisocyanate and at least one polyallophanate polyisocyanate, wherein the polyisocyanate mixture has an amount of monomer diisocyanate of < 0.10 wt.%, determined in accordance with DIN EN ISO 10283:2007-11 by gas chromatography using an internal standard, a isocyanurate group portion of ≥ 40 mol% to ≤ 85 mol%, determined by NMR spectroscopic analysis and based on the total amount of isocyanurate groups and allophanate groups of the polyisocyanate mixture, and an allophanate group portion of ≥ 15 mol% to ≤ 60 mol%, determined by NMR spectroscopic analysis and based on the total amount of isocyanurate groups and allophanate groups of the polyisocyanate mixture.
What are described are titanium dioxide-containing thermoplastic compositions based on polycarbonate having high reflectance, to which, for further improving the reflectance, are added at least one graft polymer of (C1 to C8)-alkyl (meth)acrylate on a graft base from the group of acrylate rubbers, in particular one with core/shell structure based on butyl acrylate.
G02B 1/04 - Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
55.
Multi-Layer Structure Suitable for Use as a Reflector
The invention relates to a filler-containing multi-layer structure on the basis of a polycarbonate composition, having a metal layer as a reflective layer and having a balanced property profile of CLTE, CLTE ratio, heat conductivity and lustre. This multi-layer structure can be used, inter alia, for reflectors or as a mirror element in head-up displays. Expanded graphite and burned silicon dioxide are contained as fillers. In the composition provided according to the invention, there is no need for an additional heat sink when implementing the component.
4-66-dicarboxylic acid from an aqueous solution, comprising: A) producing the organic acid, wherein a) the organic acid is crystallised from an aqueous medium, followed by a separation of the precipitated portions of the organic acid via a solid-liquid phase separation, leaving a first aqueous solution of the organic acid; B) treating the aqueous solution of the organic acid with am Mn2+, Fe2+and/or Cu2+ metal salt, precipitating a metal compound of the organic acid, followed by a separation of the precipitated metal compound via a solid-liquid phase separation; C) carrying out a base treatment of the separated metal compound, precipitating metal hydroxide and separating precipitated metal hydroxide via a solid-liquid phase separation, leaving a basi`c aqueous solution containing anions of the organic acid; and D) crystallising organic acid from the basic aqueous solution obtained in C) by adding an inorganic acid.
C07C 229/56 - Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton with amino and carboxyl groups bound to carbon atoms of the same non-condensed six-membered aromatic ring with amino and carboxyl groups bound in ortho- position
C07C 227/18 - Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions involving amino or carboxyl groups, e.g. hydrolysis of esters or amides, by formation of halides, salts or esters
C07C 229/00 - Compounds containing amino and carboxyl groups bound to the same carbon skeleton
57.
METHOD FOR DETERMINING THE COMPOSITION OF A REACTION SYSTEM
The present invention pertains to a computer-implemented method which comprises the automated and rational (computer aided) modification of chemical recipes, in particular the design of the concrete starting composition of a reaction system, for example an oligomeric or polymeric polyol system, using an optimization procedure aiming at maximizing the similarity to an original target/reference system. Furthermore, the invention pertains to a data processing apparatus comprising means for carrying out the method, a computer program product comprising instructions which, when the program is executed by a computer, cause the computer to carry out the method and a computer-readable storage medium comprising instructions which, when executed by a computer, cause the computer to carry out the method.
The invention provides a process for producing polyurethane foams or hydrogels, in which compositions including A) isocyanate-functional prepolymers obtainable by the reaction of A1) low molecular weight diisocyanates of molar mass from 140 to 278 g/mol, with A2) polyalkylene oxides having an OH functionality of two or more, A3) more than 1% by weight of C2 to C12 diols based on total amount of isocyanate-reactive components wherein component A3) differs from component A2), B) water or a nonaqueous isocyanate-reactive component in an amount of at least 2% by weight, based on the total weight of the composition are provided, optionally foamed and cured wherein the isocyanate containing components do not exceed a residual diisocyanate content of 8% by weight, based on the total amount of the polyurethane foam or hydrogel. These foams or hydrogels are used in wound dressings, cosmetic articles or incontinence products.
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
The invention relates to a method for producing isocyantes via a gas-phase phosgenation of the corresponding amines, wherein an amine mixture formed of at least one first amine and at least one second amine, that is different from the first amine, is reacted with phosgene to produce a reaction mixture, wherein the method is characterised in that the first amine is selected from the group comprising or consisting of aliphatic and/or araliphatic amines and the second amine is selected from the group comprising or consisting of cycloaliphatic amines. The invention also relates to a product that is/can be obtained using this method and to the use of a product of this type. The invention also relates to the use of an amine mixture formed of at least one first amine and at least one second amine, that is different from the first amine, in a method for producing the corresponding isocyanates via gas-phase phosgenation in order to lower the content of acid clorine compounds and/or the content of hydrolysable chlorine in the corresponding isocyanates obtained in the production process.
The present disclosure is direct to titanium dioxide-containing, polycarbonate-based thermoplastic compositions that contain epoxidized triacylglycerol. These compositions are suitable for reflectors. The compositions described in the present disclosure have an improved reflectance and a lower yellowness index as compared to reference compositions that do not contain epoxidized triacylglycerol. The epoxidized triacylglycerol may be in the form of epoxidized soybean oil.
A method of manufacturing a particulate composition comprises: III) Providing an aqueous dispersion, the dispersion comprising polymer particles, wherein the polymer of the particles has a glass transition temperature as determined by differential scanning calorimetry according to ISO 11357, second heating, at a heating and cooling rate of 20 K/ min; and II) Storing the dispersion of step I) at a temperature of ≤ 0 °C until a polymer-comprising precipitate is formed. The method further comprises: III) Grinding the precipitate of step II) at a temperature above the glass transition temperature of the polymer to obtain a particulate composition, wherein the precipitate subject to grinding has a water content of at least 5 wt.-%.
C08J 3/14 - Powdering or granulating by precipitation from solutions
C08J 3/215 - Compounding polymers with additives, e.g. colouring in the presence of a liquid phase the polymer being premixed with a liquid phase at least one additive being also premixed with a liquid phase
C09D 7/80 - Processes for incorporating ingredients
The invention relates to a method for producing isocyanates via gas-phase phosgenation of the corresponding amines in a phosgenation system, in which, in particular, problems due to the formation of deposits in apparatus of the phosgenation system, e.g. in particular the reaction section, during the initial operation (start-up) of the method are preferably avoided. The invention also relates to a device for carrying out the method according to the invention, and to a method for starting up a phosgenation system.
The invention relates to a method for producing isocyanates via phosgenation, in particular gas-phase phosgenation (GPP) or liquid-phase phosgenation (FPP), of the corresponding amines, wherein an amine mixture formed of at least one first amine and at least one second amine, that is different from the first amine, is reacted with phosgene to form a reaction mixture, in which, in particular, a higher yield and/or good purity (in the forms of a lowering of the content of acid chlorine compounds (AC value) and/or of hydrolysable chlorine (HC value)) is achieved for the corresponding isocyanates obtained in the production process. The invention also relates to a product that is/can be obtained using the method according to the invention, preferably a product that is/can be obtained directly using the method according to the invention, as well as the use of said product and/or the isocyanate or isocyanate mixture which is/can be obtained using the method according to the invention. The invention further relates to a phosgenation system for carrying out the method according to the invention.
An adhesive composition includes a polyurethane polymer, a solvent and a co-solvent. The polyurethane polymer is an internally and/or externally hydrophilized thermoplastic polyurethane having an Mw of ≥50000 g/mol. The solvent is a polar-aprotic solvent. The co-solvent is selected from water, a primary alcohol having ≤10 carbon atoms, a vicinal diol or a mixture of at least two of the aforementioned compounds. The solvent and the co-solvent are present in such amounts that they form a homogenous mixture without the formation of a second phase when combined together at 20° C. The hydroxyl group content is ≥1 weight-%, based on the total weight of the composition. The polyurethane polymer content is ≥10 weight-%, based on the total weight of the composition and the composition forms a single continuous liquid phase. Examples for solvent/co-solvent combinations are methylethyl ketone (MEK) and water or MEK and ethanol.
Provided is a layer structure, preferably a security form in a book cover, particularly preferably a security form in a book cover for identification or security documents, comprising at least a) a first radiation-engravable layer a) containing at least one polymeric material; and b) at least one further layer b) containing at least one polymeric material, preferably a thermoplastic elastomer, preferably a thermoplastic polyurethane with a hardness of ≥40 Shore A according to DIN ISO 7619-1-2012-2 to ≤95 Shore D according to DIN ISO 7619-1-2012-2; wherein the further layer b) overlies the first layer a) at least partly to form an overlapping region, and wherein a coherent engraving partly extends in the overlap region, preferably in the further layer b), and partly in the portion of layer a) that extends outside the overlap region, most preferably exclusively in the further layer b). The invention also relates to a method for producing this layer structure and to a laminate comprising such a layer structure and to the use of the layer structure in a security document.
The present disclosure is directed to titanium dioxide-containing, polycarbonate-based thermoplastic compositions that contain metal oxide-containing mica. The metal oxide-containing mica may be provided in very low amounts. The titanium dioxide-containing polycarbonate-based thermoplastic compositions are suitable for reflectors. The addition of mica results in improved reflectance values as compared to the same mixtures without mica component.
The present invention relates to a two-component coating composition, a method of applying the composition and the use thereof, and a product obtained by coating with the coating composition. The coating composition comprises an A-component and a B-component, wherein the A-component comprises polyaspartic acid ester, polymer polyol and surface additive, and the B-component comprises polyisocyanate, and the composition has a molar ratio of isocyanate groups to amino groups of 0.2 to 5. The two-component coating composition provided by the present invention has the advantages of long pot life, long working able time, short walk-on time and high hardness.
The present invention relates to a multishaft extruder having screw shafts that rotate in the same sense and at the same speed, wherein these screw shafts each have at least one region having a special arrangement of screw elements, wherein the screw elements have an asymmetrical cross-sectional screw profile. In this case, these in each case at least one regions are situated directly opposite on directly adjacent screw shafts. The present invention also provides for the use of the extruder of the invention for processing or production of plastic or viscoelastic masses.
B29C 48/605 - Screws - characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw the thread being discontinuous
B29C 48/65 - Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
B29C 48/40 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws, e.g. twin screw extruders
The present invention relates to a housing for a multifunctional electronic device and a method for preparing the same. The housing for a multifunctional electronic device comprises an upper cover and a lower cover fixed together to form an internal space, wherein the upper cover comprises a first layer (21, 31, 41, 51, 61) formed of a first thermoplastic material, said first layer (21, 31, 41, 51, 61) having a thickness in the range of 0.8 mm to 1.5 mm and comprising at least two functional components integrated thereon; the lower cover comprises a second layer (11, 23, 34, 44, 57, 68) formed of a second thermoplastic material, said second layer (11, 23, 34, 44, 57, 68) having a thickness in the range of 2 mm to 4 mm; and the housing for the multifunctional electronic device comprises at least 90 wt % of the thermoplastic materials, relative to the total weight of the housing. Through the thin-layer design of the upper cover and the material selection of the upper and lower covers, the housing of the present invention achieves desirable heat dissipation performance and signal transmission performance. Meanwhile, the electronic device housing of the present invention has at least two functional components integrated to the upper cover, thus making the electronic device both small and slim.
Provided is a starting material composition suitable for producing rigid isocyanurate foam excellent in both energy absorption performance and sound absorption performance, while exhibiting excellent foam moldability, appearance, and air permeability. The starting material composition for rigid isocyanurate foam according to the present invention contains a polyol composition and a polyisocyanate. The polyol composition contains a trifunctional or higher-functional polyether polyol (C) having a hydroxy value of 300 mg KOH/g or more, a polyether polyol (A) different from polyether polyol (C) having an ethylene oxide content, based on the total amount of alkylene oxide of polyether polyol (A), of 50 mass% or more, and a polyether polyol (B) different from polyether polyol (C) having an ethylene oxide content, based on the total amount of alkylene oxide of polyether polyol (B), of 10 mass% or less. The starting material composition has an isocyanate index of 105 or more and 400 or less. The content of component (A) is 30 parts by mass or more and 50 parts by mass or less, and the content of component (C) is 5 parts by mass or more and 35 parts by mass or less, each per 100 parts by mass of the total amount of the starting material composition excluding the polyisocyanate.
In a golf ball having a rubber core of at least one layer and a cover of at least one layer that encases the core, at least one layer of the cover is formed of a resin composition which includes (A) a polyurethane or a polyurea, (B) an alkyl methacrylate/alkyl acrylate copolymer, and (C) a fatty acid amide. The golf ball has an excellent mold releasability during molding of the cover while retaining a good spin rate on approach shots, scuff resistance and paint film durability.
The present invention relates to a method for producing compressed, open-pore, fine-cell polyurethane rigid foams, to the polyurethane rigid foams so obtained and to their use.
The invention relates to a one-component burn-in system comprising A) a blocked polyisocyanate component containing at least one reaction product of a) at least one polyisocyanate component, which has at least isocyanurate and/or iminooxadiazindione structures, b) at least one branched aliphatic diole, and c) at least one secondary amine with aliphatic, cycloaliphatic, and/or araliphatic substituents, wherein the component b) is used in a quantity of more than 2 wt.% based on the total quantity of the components a) and b), and the component c) is used in a quantity which corresponds to at least 95 mol.% of the isocyanate groups mathematically still present after the reaction of the components a) and b), B) at least one binder which is reactive to isocyanate groups and comprises at least two isocyanate-reactive groups per molecule on statistical average, C) optionally catalysts, and D) optionally solvents and/or optionally auxiliary agents and additives.
The invention relates to a method for producing a blocked polyisocyanate, having the steps of reacting A) at least one polyisocyanate component, which has at least isocyanurate and/or iminooxadiazindione structures, with B) at least one branched aliphatic diole and C) at least one secondary amine with aliphatic, cycloaliphatic, and/or araliphatic substituents. The invention is characterized in that the component B) is used in a quantity of more than 2 wt.% based on the total quantity of the components A) and B), the component C) is used in a quantity which corresponds to at least 95 mol.% of the isocyanate groups mathematically still present after the reaction of the components A) and B), and as the polyisocyanate component A), polyisocyanates are used which are produced by modifying simple linear aliphatic, cycloaliphatic, araliphatic, and/or aromatic diisocyanates and which have at least isocyanurate and/or iminooxadiazindione structures, wherein > 70 equiv.%, based on the NCO content, is used for the modification process. The invention also relates to said blocked polyisocyanates.
The present invention relates to a method for producing polysiloxane-polycarbonate block co-condensates using specifically terminated polysiloxanes, polysiloxane-polycarbonate block co-condensates having at least one Si-O-C bond and fine siloxane domains, a moulding compound containing the polysiloxane-polycarbonate block co-condensate, a moulded part containing the polysiloxane-polycarbonate block co-condensate according to the invention, the use of a specific bisphenol as termination group of a polysiloxane in order to increase the reactivity of the polysiloxane, and the use of a specifically terminated polysiloxane in the production of a polysiloxane-polycarbonate block co-condensate in order to increase the proportion of covalent bonds between the siloxane blocks and the polycarbonate blocks.
The present invention relates to a LiDAR window, a method for preparing the same, and a sensor system. The LiDAR window comprises the following layers stacked together in the order of: a protective layer, a substrate, an adhesive layer and an electrically conductive heating layer having a surface square resistance of ≤ 200 ohm. The LiDAR window of the present invention can meet the functional requirement of laser signal transmission, while also having defrosting and defogging functions and meeting the requirements for automotive exterior decoration, and can be used in a sensor system.
G02B 1/04 - Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
The invention relates to a method for recovering raw materials from polyurethane products, having the steps of: (A) providing a polyurethane product based on an isocyanate component and a polyol component; (B) reacting the polyurethane product with an alcohol in the presence of a catalyst, wherein a first product mixture containing alcohol, polyols, carbamates, and optionally water is obtained; (C) preparing the first product mixture, having the steps of: (C.I.) mixing the first product mixture obtained in step (B) with an organic solvent, which can be mixed with the alcohol used in step (B), optionally followed by a separation of solid components, thereby obtaining a second product mixture; (C.II) washing the second product mixture obtained in step (C.I) using an aqueous washing fluid, wherein carbamates contained in the second product mixture are hydrogenated partly while releasing amines and alcohol, and carrying out a phase separation into a first solvent phase, containing the organic solvent used in step (C.I) and polyols, and a first aqueous phase, containing water, alcohol, carbamates, and amines; and (C.III) processing the first solvent phase, thereby obtaining the polyols; and optionally (D) processing the first aqueous phase, thereby obtaining an amine which corresponds to an isocyanate of the isocyanate component.
C08J 11/24 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing hydroxyl groups
78.
A METHOD FOR PREPARING A PULTRUDED POLYURETHANE COMPOSITE
A method and an equipment for preparing a pultruded polyurethane composite by a polyurethane pultrusion process, and the pultruded polyurethane composite obtained by the method and use thereof are provided.
A method for preparing states on a quantum computer with given particle number and total spin squared quantum numbers by means of parametrized gates. Explicit decompositions of these gates are given for an embodiment of the method where fermions are mapped to the computational units of the quantum computer by means of a Jordan-Wigner mapping. As an example, the method is advantageous for the variational optimization of energies of chemical systems and the quantum computation of activation energies of chemical reactions.
The present invention relates to a process for preparing a polycarbonate using metal-catalyzed cross- coupling, including the reaction of an iodinated diaryl carbonate with a structure of formula (I) and a terminal alkyne with a structure of formula (IIa) or a terminal alkene with a structure of formula (IIb). Furthermore, the invention relates to a polycarbonate comprising a repeating unit with a structure of formula (IIIa) or (IIIb).
166 alkyl group have a saponifiable chlorine content of 0.2 ppm to 19 ppm and a number average molecular weight of 8 000 g/mol to 20 000 g/mol, a molding compound comprising said polycarbonate, a molded article comprising said polycarbonate and a process for preparing a specific polycarbonate.
The present invention relates to an amorphous copolycarbonate comprising specific phenolic building blocks and at least one other aliphatic or aromatic building block different from the first one, a molding compound comprising said copolycarbonate, a molded article comprising said copolycarbonate and a process for preparing an amorphous copolycarbonate comprising specific phenolic building blocks and at least one other aliphatic or aromatic building block different from the first one.
The present invention relates to a method for producing a polyester carbonate prepolymer, a polyester carbonate prepolymer, a method for producing a polyester carbonate blend using the polyester carbonate prepolymer, a polyester carbonate blend and a use of the polyester carbonate prepolymer.
The present invention relates to a method for recovering raw materials from isocyanurate-containing polyurethane products, especially from the known polyurethane-polyisocyanurate rigid foams (PUR-PIR foams or PIR foams for short). The method is characterized by reacting the isocyanurate-containing polyurethane product with liquid water at a temperature in the range of 130°C to 260°C and a pressure in the range of 1.0 bar to 100 bar in the presence of a catalyst, thereby obtaining a chemolysis product, and subsequently reprocessing the chemolysis product and as a result obtaining (I) an amine that corresponds to an isocyanate of the isocyanate component, and optionally (II) a polyol of the polyol component or a reaction product of a polyol of the polyol component.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
C08J 11/14 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with steam or water
The invention relates to an apparatus and a method for performing electrolysis with an originally oxygen-containing alkali hydroxide solution as an electrolyte precursor, wherein the pressure and temperature of the alkali hydroxide solution and the O2 content thereof are set.
The present invention relates to a polycarbonate cocondensate comprising specific phenolic building blocks and another phenolic building block different from the first one, a molding compound comprising said polycarbonate cocondensate, a molded article comprising said polycarbonate condensate, a process for preparing a polycarbonate cocondensate comprising specific phenolic building blocks and another phenolic building block different from the first one and the use of a specific homopolycarbonate for preparing polycarbonate cocondensates comprising a specific phenolic building blocks.
C08G 18/72 - Polyisocyanates or polyisothiocyanates
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
C08J 9/12 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
-- The present invention relates to a process for preparing a polyestercarbonate proceeding from cycloaliphatic diacids and at least one 1,4:3,6-dianhydrohexitol and at least one further aliphatic dihydroxy compound, to the polyestercarbonate prepared by the process and also to a molding compound and a molded article including the polyestercarbonate. The process according to the invention is a direct synthesis in which all the structural elements that form the subsequent polyestercarbonate are already present as monomers in the first process step.
The present invention relates to two-component coating compositions containing polyaspartic ester and polyether polyol-based polyurethane prepolymers, wherein the proportion of polyols, polyether polyols and polyether polyamines and the proportion of components having a functionality > 2 in the coating composition (excluding auxiliaries, additives and solvents) are in a defined range, to a process for producing these compositions, to the use thereof for producing coatings and to the use of these coatings as a protective coating, in particular for objects that are subjected to (repeated) mechanical stresses.
The present invention relates to a method for producing a plastic compound having improved properties from a formulation containing at least two thermoplastic components in a multi-shaft screw machine having screw shafts rotating in the same direction, in parallel and at the same speed, wherein the plastic compound (i) does not comprise an additive which is flowable at 23°C or (ii) comprises precisely one additive which is flowable at 23°C, or (iii) comprises at least two additives which are flowable at 23°C. The present invention relates in particular to the production of a plastic compound from a formulation containing at least two thermoplastic components, at least one of which is a polycarbonate. More particularly, the screw machine is a twin-screw extruder having screw shafts rotating in the same direction, in parallel and at the same speed.
B29C 48/29 - Feeding the extrusion material to the extruder in liquid form
B29B 7/48 - Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
Described are thermally conductive flame-proof compositions which have a high comparative tracking index and contain bisphenol A homopolycarbonate, talc, phosphorus-containing flame retardant, fluorine-containing anti-drip agent, and anhydride-modified alpha-olefin polymer. Said compositions have a high comparative tracking index, thus allowing distances between electrical conductors in electronic and electrical components to be kept shorter than in the past.
The invention is related to an electronic patch (EP) comprising at least: (A) a first polymeric layer (A) with a first surface a) and a second surface b) which is parallel to surface a), whereby layer (A) provides a water vapour permeability of ≥ 500 g/m²d; (B) an electronic device (B) providing at least one flat surface which is positioned on the first surface a) of the first polymeric layer (A); (C) optionally a second polymeric layer (C) providing a vapour permeability of ≥ 500 g/m²d, preferably in a range of 500 to 2000 g/m²d; (D) optionally a further layer (D) as water barrier positioned between the electronic device (B) and the first polymeric layer (A); (E) optionally an adhesive on the second surface b) of the first polymeric layer (A); (F) optionally a polymeric foam (F) with a moisture vapour transmission rate (MVTR) of ≥ 500 g/m²d, more preferably in a range of 550 to 2000 g/m²d, most preferably in a range of 600 to 1500 g/m²d covering the electronic device (B), determined according to DIN 53122-1:2001- 08; whereby the electronic patch (EP) is surrounded by the first polymeric layer (A) and optionally the second polymeric layer (C) in a way that the overall water vapour permeability of the electronic patch (EP) is ≥ 400 g/m²d as well as a process for the production of the electronic patch (EP).
m1m1mAmD1mA1m1m1m1mss; both screw elements have an asymmetrical screw profile; both screw elements have precisely two flight lands; for each of the two screw elements, the two flight lands thereof have different spacings from the respective rotational midpoint P of the screw profile.
B29C 48/65 - Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
B29C 48/54 - Screws with additional forward-feeding elements
B29C 48/40 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws, e.g. twin screw extruders
95.
METHOD OF DETERMINING A COMPOSITION OF MOLECULE FRAGMENTS VIA A COMBINED EXPERIMENTAL – MACHINE LEARNING APPROACH, CORRESPONDING DATA PROCESSING CIRCUIT AND COMPUTER PROGRAM
The present invention generally relates to a method of determining a composition of molecule fragments via a combined experimental –machine learning approach and a corresponding data processing circuit and computer program. The method comprises the step of recording sample spectroscopic data of a sample mixture of molecule fragments. The method also comprises the step of determining data sets of expected spectroscopic data. The method further comprises the step of determining matching levels between the sample spectroscopic data and expected spectroscopic data of data sets stored in a data storage device. The data sets each comprise at least one data tuple of expected spectroscopic data and a molecule fragment composition associated thereto. In at least one of the steps of determining data sets of expected spectroscopic data and determining matching levels between the sample spectroscopic data and expected spectroscopic data, the determining is carried out using a deep neural network, the deep neural network being trained based on machine learning. Furthermore, the method comprises the step of outputting data identifying a molecule fragment composition of a particular data set for which associated respective expected spectroscopic data a matching level is determined to reach or exceed a predetermined matching threshold.
Described are thermally conductive flame-proof compositions which have a high comparative tracking index and contain at least 44.5 wt.% aromatic polycarbonate in which bisphenol TMC is used as a monomer unit, 30 to 40 wt.% talc, 6 to 14 wt.% phosphorus-containing flame retardant, 0.3 to 2.0 wt.% fluorine-containing anti-drip agent, and 1 to 3 wt.% anhydride-modified α-olefin polymer. Said compositions have a high comparative tracking index, thus allowing distances between electrical conductors in electronic and electrical components to be kept shorter than in the past.
The invention relates to a method for producing aniline or an aniline-derived product, comprising the following steps: (A) providing aminobenzoic acid; (B) decarboxylating the aminobenzoic acid in a reactor at a reaction temperature in the region of 170 °C to 350 °C to form aniline and carbon dioxide, wherein the decarboxylation is carried out at a reaction pressure, at which the boiling point of aniline is reached or, preferably, exceeded, such that a first liquid, optionally solid, particle-containing phase and a second gaseous phase are formed in the reactor, wherein a gaseous flow containing aniline and carbon dioxide is discharged from the reactor; and (C) condensing and optionally cleaning the aniline contained in the gaseous flow; and (D) optionally, converting the aniline obtained in (C) into a aniline-derived product.
C07C 209/68 - Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
The invention relates to novel urethanases for the enzymatic degradation of polyurethanes and to an enzymatic process for the complete degradation of polyurethanes in defined monomers.
nsnsnsnn (A) equals at least 13 kg/mol. The invention also relates to the use of the aforementioned graft copolymers in order to reduce the phase surface tension in mixtures containing the polymers A and B, to compositions containing the graft copolymers and the polymers A and B, and to molded bodies containing said compositions.
C08F 283/02 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polycarbonates or saturated polyesters
C08L 51/08 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
The present invention relates to a two-component coating composition, a coating method and use of the composition, and a product coated with the coating composition. The two- component coating composition comprises a component A and a component B, wherein the component A comprises an aqueous hydroxyl-containing polyacrylic dispersion, the component B comprises a polyether-modified polyisocyanate, wherein the composition has a molar ratio of isocyanate groups and hydroxyl groups of 1.2: 1 to 2: 1; wherein the aqueous hydroxyl-containing polyacrylic dispersion has a hydroxyl content of greater than 2% by weight, relative to the total weight of solids of the aqueous hydroxyl-containing polyacrylic dispersion, and wherein the aqueous hydroxyl-containing polyacrylic dispersion has a weight- average molecular weight of not higher than 450000. The two-component coating composition provided by the present invention has a matte effect and is easy to clean.
C08G 18/02 - Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
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 18/73 - Polyisocyanates or polyisothiocyanates acyclic
C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
