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
The present invention relates to a polycarbonate composition comprising the following components, relative to the total weight of the composition: A) 0-76 wt. % of copolycarbonate resin containing bis(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane units and substituted or unsubstituted bisphenol units, B) 0-58 wt. % of an aromatic linear polycarbonate resin, C) 15-52 wt. % of poly(1,4-cyclohexylenedimethylene 1,4-cyclohexanedicarboxylate), and D) 1-60 wt. % of methyl methacrylate-n-butyl acrylate-butadiene-styrene copolymer, The composition according to the present invention has a high light transmittance, a low haze, and a low birefringence.
The present application describes the use of functionalized siloxane polymer for improving the intralipid resistance of aromatic polycarbonate, as is relevant especially for medical devices comprising elements which are intended to come into contact with intralipid solution during the intended use of the medical devices.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Software application for calculation of environmental
impact; web application software; application software;
science software; downloadable computer software
applications; production support software; software for
analysing product components and its impact; chemical
engineering software; process controlling software for
analysing; downloadable image, video, animations and
portable document files, spreadsheets, generated
calculations. Providing temporary use of web-based software for the
collection, editing, organizing, modifying, transmission,
storage and sharing of data and information for the
manufacturing industry; software as a service [SaaS]
services featuring software for the collection, editing,
organizing, modifying, transmission, storage and sharing of
data and information for the manufacturing industry;
software as a service [SaaS] featuring software platforms
for graphic design; software as a service [SaaS] services
for downloading data in relation to material design; hosting
multimedia application for others; platform as a service
[PaaS]; providing temporary use of web-based applications
for the collection, editing, organizing, modifying,
transmission, storage and sharing of data and information
for the manufacturing industry; platform as a service [PaaS]
services allowing users to utilize data and information for
the manufacturing industry; research and development of new
products; software as a service [SaaS] services for use in
downloading data in relation to product design; design and
testing for new product development; product research and
development; scientific and technological services, namely,
research and design and consultation related thereto in the
field of product development; scientific research and
development for the manufacturing industry; computer-aided
design services; providing temporary use of online
non-downloadable software for virtual design of products;
computer graphics design services; virtual testing of new
product designs using computer simulations; new product
design services, namely, providing data and specifications
for new product design; platform as a service (PAAS)
featuring computer software platforms for digitally
visualizing products and providing data requirements for
product manufacture based on different designs.
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, an 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 polyisocyanurate mixture.
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 is provided. Furthermore, 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 is provided.
The present teachings relate to a computer-implemented method for predicting temporally and/or spatially resolved behavior of a complex fluid, the method comprising the steps of a) training of a machine-learning algorithm with result data, the result data obtained with a first set of input parameters; b) predicting the temporally and/or spatially resolved behavior of the complex fluid using the trained machine-learning algorithm with at least a second set of input parameters, the second set of input parameters deviating at least partially from the first set of input parameters, wherein the trained machine-learning algorithm is iteratively executed starting from the second set of input parameters advancing from time (t) to time t+Δt; c) evaluation of the predicted behavior of the complex fluid obtained with the at least one second set of input parameters. The present teachings further relate to a computer software product.
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
A method of manufacturing a particulate composition includes providing an aqueous dispersion, the dispersion including polymer particles, where 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 storing the dispersion of step I) at a temperature of ≤0° C. until a polymer including precipitate is formed. The method further includes grinding the precipitate at a temperature above the glass transition temperature of the polymer to obtain a particulate composition, where the precipitate subject to grinding has a water content of at least 5 wt.-%.
The invention relates to a process for producing a modified isocyanate, comprising the reaction of a monomeric isocyanate in the presence of a catalyst to form a reaction mixture, wherein the catalyst comprises at least one spirocyclic ammonium salt containing at least one spirocyclic ammonium cation and at least one anion. The invention further relates to a modified isocyanate obtainable by the process according to the invention and the use thereof for producing polyurethane bodies or coatings, as well as to the polyurethane bodies or coatings. The invention further relates to one-component or two-component systems comprising the polyisocyanates having improved properties.
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Chemicals used in industry, science and photography; unprocessed plastics in the form of powders, liquids or pastes; macromolecular plastics based on polyurethanes, polyamides, polyesters, polyketones, polyaldehydes, and combinations of polyvinyl polydivinyle, copolymers and blends of the foregoing materials, silicones; high molecular weight esters as raw materials. Plastics in extruded form in the form of foil, blocks and rods; plates, blocks, tubes, sheets, hoses, cords, profiles, coatings made of plastic [semi-finished products].
11.
METHOD FOR PRODUCING ISOCYANATES VIA PHOSGENATION OF A MIXTURE OF (AR)ALIPHATIC DIAMINES AND CYCLOALIPHATIC DIAMINES
The invention relates to a method for producing isocyanates 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 characterized 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 chlorine compounds and/or the content of hydrolyzable chlorine in the corresponding isocyanates obtained in the production process.
Processes for continuously producing a polymer polyol (“PMPO”). The process includes free-radically polymerizing an ethylenically unsaturated monomer composition in the presence of a base polyol, in which the polymerizing occurs in a continuous stirred tank reactor (“CSTR”) that has an external recirculation loop comprising a pump and a heat exchanger arranged in series with respect to each other. A stream of the reactor contents is (i) continuously removed from the reactor, (ii) then continuously flows through the pump and the heat exchanger, and (iv) then continuously returns to the CSTR. A ratio of reactor system residence time to recirculation loop residence time is 10 to 93.
The present invention relates to an improved process for preparing double metal cyanide (DMC) catalysts for the preparation of polyoxyalkylene polyols, preferably polyether polyols and/or polyether carbonate polyols. The invention further provides DMC catalysts which are obtainable by this process and for the use of the catalysts according to the invention for preparing 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
14.
METHOD FOR THE EFFICIENT ENZYMATIC DEGRADATION OF AROMATIC POLYCARBONATES
The present invention relates to an efficient enzymatic method for cleaving aromatic carbonates, shown using the example of the hydrolysis of bisphenol A polycarbonate by means of multiple lipases/cutinases. The order of the method steps plays a significant role, since the addition of a polar, organic solvent to the polycarbonate, shown using the example of DMSO, followed by the addition of the enzyme leads to increased hydrolysis.
The invention relates to enzymes and enzyme-based methods for cleaving aromatic carbonates. The enzymes are particularly suitable for cleaving carbonates based on bisphenol A and can therefore be used to recover bisphenol A from polymers.
The invention relates to a composition for the production of a thermoplastic molding compound, wherein the composition contains at least one polycarbonate and/or polyestercarbonate containing structural units derived from bisphenol A, a mixture of rubber-modified vinyl (co)polymers, talc and at least one carboxylic acid. The invention also relates to the molding compound obtained from the composition, to molded articles obtained from the composition or the molding compound and to the use of the carboxylic acid for the reduction of the content of free bisphenol A in molding compounds and molded articles comprising at least one polycarbonate and/or polyestercarbonate containing structural units derived from bisphenol A, a mixture of rubber-modified vinyl (co)polymers and talc. By the use of the carboxylic acid the reduction of the content of free bisphenol A preferably is realized in combination with an improved surface appearance of the molded articles.
By using a device for producing organic, aromatic isocyanate, said device at least containing a special production unit for providing nitric acid and superheated steam, a nitration unit, a hydrogenation unit, and a phosgenation unit, an improved use of sustainable energy sources can be achieved by utilizing waste heat as superheated steam for feeding heat energy to other utilization devices, in particular other units of the device. Parts of the aforementioned device are driven by an electric motor, as described in claim 1, in order to thus use the resources for process heat in the form of steam more effectively across the entire process chain of the device, whereby the use of energy is made more sustainable.
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 iminooxadiazinedione 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 present invention relates to a process for recovering valuable substances from polyurethane products, comprising the steps of: (A) providing an isocyanurate-containing polyurethane product, the polyol component of which comprises polyester polyols and/or polyether ester polyols, comprising extraction of the isocyanurate-containing polyurethane product using an organic solvent that does not react with urethane groups and isocyanurate groups during the extraction; (B) mixing the polyurethane product with water, a basic catalyst and optionally an organic chemolysis reagent to obtain a reaction mixture, reacting the reaction mixture at a reaction temperature of 90°C to 220°C to obtain a chemolysis product; and (C) processing the chemolysis product to obtain (I) at least one amine and/or (II) at least one polyol and/or at least one reaction product of a polyol, wherein the type and amount of the basic catalyst are selected such that there is always a pH value of 12 or more in the reaction mixture during the reaction.
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
12 - Land, air and water vehicles; parts of land vehicles
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Plastic wheels for machines; plastic rollers for machines; plastic castors for machines; wheels and castors for industrial applications, namely, wheels and castors for machines Tires for land vehicles made primarily of plastic; wheels for land vehicles made primarily of plastic; rollers for land vehicles made primarily of plastic; wheels and castors for vehicles for industrial applications, namely, wheels and castors for industrial land vehicles and carts; wheels for vehicles; wheels for industrial land vehicles and carts; castors for industrial land vehicles and carts; wheels and castors for land vehicles made primarily of plastic Synthetic resins in semi-finished form for general industrial use; semi-worked synthetic plastic and synthetic resins as semi-finished products in the form of pellets, rods, foils, foams, fibers, films and sheets; plastic in the form of powder, granules, liquids, and paste for use in further manufacturing; semi-processed plastics for use in the manufacture of wheels, castors and rollers
The application is directed to a coating composition A comprising A1 an isocyanate compound, comprising an isocyanate-terminated prepolymer B which is obtained by reaction of a composition comprising B1 at least one isocyanate-reactive compound, B2 at least one polyisocyanate, and optionally B3 additives, A2 a catalyst, A3 a polyol, and wherein component B1 comprises at least one compound B1.1 with a number-average molecular weight in the range of from 150 g/mol to 1500 g/mol which is selected from the group of poly(ε- caprolactone), castor oil, hydrogenated castor oil, polytetrahydrofurane, poly(1,3-propanediol), polyesterpolyol and mixtures thereof, and wherein component A3 comprises at least a polyol A3.1 with a molecular weight of 210 g/mol or less. The application further provides a process for preparing a coating, a coating obtained by the process and the use of said coating for wind turbines and construction applications.
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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
C08G 18/36 - Hydroxylated esters of higher fatty acids
C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
The present invention relates to a compound containing aromatic hydroxyl groups and to a process of preparing same. The invention also relates to a process for preparing a polyurethane, involving reacting the compound containing aromatic hydroxyl groups; to the polyurethanes resulting therefrom; and to a thermal treatment of this polyurethane.
The invention relates to a layer structure, containing: A. a first, preferably transparent or white, radiation-engravable layer A. having a first surface a1. and a second surface a2. which is substantially parallel to the surface a1.; at least one transparent plastic layer B. having a first surface b1., which points in the direction of layer A., and a second surface b2., wherein layer B. contains an IR absorber in an amount in the range from ≥ 0.7 wt.% to ≤ 4.5 wt.%, calculated as the solids content of inorganic IR absorber, wherein the layer structure has both a milky white engraving and a black engraving, which were produced by means of non-ionising electromagnetic radiation E. and are visible from at least one side of the layer structure, wherein the black engraving has an optical density of at least 0.5, preferably in the range from 0.5 to 2, measured according to ISO 5-3:2009.
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.
C08J 9/12 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
The present invention relates to a method for operating an extruder, in particular for variably adjusting the oxygen content in the supply region of the extruder, wherein the extruder has a filling shaft for supplying a material to be extruded, which filling shaft has an inlet opening at one end and opens into the extruder housing at the opposite end, and in which filling shaft at least one inert gas feed device is provided for supplying an inert gas flow into the filling shaft, wherein the inert gas volume flow of the inert gas flow is adjusted such that the Reynolds number of the inert gas flow in the filling shaft (Re) is at least 180. The invention further relates to a control device for variably adjusting the oxygen content in the supply region of an extruder during operation thereof, in particular in a method according to the invention, and to an extruder having an associated control device of this type.
B29C 48/14 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
B29C 48/285 - Feeding the extrusion material to the extruder
The invention relates to a single-component system for coatings, comprising: a) at least one blocked polyisocyanate containing two or more 2-carbamoylpropane-1,2,3-tricarboxylate structures; b) at least one binder which is reactive toward isocyanate groups and has, on a statistical average, at least two isocyanate-reactive groups per molecule; c) optionally catalysts; and d) optionally solvents and/or optionally auxiliaries and additives. The invention further relates to the use thereof and to methods for producing aqueous, solvent-free or solvent-containing lacquers, paints, adhesives and molded articles, as well as to the corresponding products.
The present invention relates to a method comprising the obtaining of aniline from a starting material selected from (i) a urethane based on an isocyanate and an alcohol, wherein the isocyanate comprises methylene diphenylene diisocyanate or a mixture of methylene diphenylene diisocyanate and polymethylene polyphenylene polyisocyanate, or (ii) an aromatic amine, wherein the aromatic amine comprises methylene diphenylene diamine or a mixture of methylene diphenylene diamine and polymethylene polyphenylene polyamine, with said method comprising a thermal cleavage of the starting material in a reactor in the presence of a catalyst at a temperature of 180 °C to 290 °C, forming a gaseous method product containing aniline and withdrawing the gaseous method product from the reactor, wherein the catalyst comprises an ammonium salt.
C08J 11/28 - 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 compounds containing nitrogen, sulfur or phosphorus
28.
SINGLE-COMPONENT COATING MATERIAL FOR FOOD CONTAINERS
The invention relates to a single-component coating material for food containers, comprising: a) at least one blocked polyisocyanate containing two or more 2-carbamoylpropane-1,2,3-tricarboxylate structures; b) at least one binder which is reactive toward isocyanate groups and has, on a statistical average, at least two isocyanate-reactive groups per molecule; c) optionally catalysts; and d) optionally solvents and/or optionally auxiliaries and additives; wherein a) and b) are present in an equivalent ratio of the sum of the blocked and non-blocked isocyanate groups from a) to isocyanate-reactive groups from b) of 1.5 : 1 to 12.0 : 1. The invention further relates to the use thereof and to methods for producing aqueous, solvent-free or solvent-containing lacquers, paints, adhesives and molded articles, as well as to the corresponding products.
The present disclosure relates to a process for producing polysiloxane-polycarbonate block co-condensates using specially terminated polysiloxanes, to polysiloxane-polycarbonate block co-condensates having at least one Si—O—C bond and fine siloxane domains, to a moulding compound including the polysiloxane-polycarbonate block co-condensate, to a moulded part containing the polysiloxane-polycarbonate block co-condensate, to the use of a special bisphenol as a terminating group of a polysiloxane to increase the reactivity of the polysiloxane and to the use of a specially terminated polysiloxane in the production of a polysiloxane-polycarbonate block co-condensate to increase the proportion of covalent bonds between the siloxane blocks and the polycarbonate blocks.
C08J 9/12 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
The present invention relates to a process for recovering raw materials from isocyanurate-containing polyurethane products, in particular known rigid polyurethane-polyisocyanurate foams (PUR-PIR foams or PIR foams for short). The process has the feature that the isocyanurate-containing polyurethane product is reacted with liquid water at a temperature in the range from 130° C. to 260° C. and at a pressure in the range from 1.0 bar to 100 bar in the presence of a catalyst to obtain a chemolysis product and subsequently the chemolysis product is worked up to obtain (I) an amine corresponding 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.
C08G 18/02 - Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
C08G 18/09 - Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture
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 11/18 - 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
32.
POLYCARBONATE WITH PHENOLIC BUILDING BLOCKS AND LOW CHLORINE CONTENT
The present invention relates to polycarbonates comprising specific phenolic building blocks which are terminated with at least one aromatic group which can be optionally substituted with at least one C1-C6 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 invention relates to a distillation device for separating monomer diisocyanate from a polyisocyanate composition. The distillation device comprises: at least one pre-evaporation device comprising a first inlet for the polyisocyanate composition to be distilled, comprising a pre-evaporator that has a first interior, comprising a first gas outlet for evaporated components, comprising a first liquid outlet for non-evaporated components of the polyisocyanate composition, and comprising at least one first condenser associated with the first gas outlet; at least one thin-film evaporation device comprising a second inlet for the non-evaporated components of the polyisocyanate composition, comprising a thin-film evaporator having a second interior, comprising a second gas outlet for evaporated components, comprising a second liquid outlet for the polyisocyanate composition from which unreacted isocyanate has been substantially removed, and comprising at least one second condenser associated with the second gas outlet; and a vacuum generating device comprising at least one vacuum pump and designed to generate a pressure P1 in the interior of the pre-evaporator of the at least one pre-evaporation device and a pressure P2, where P2
The present invention relates to the obtaining of aniline from polyurethane products or waste streams of isocyanate production. The polyurethane products are based on an isocyanate component comprising methylene diphenylene diisocyanate or a mixture of methylene diphenylene diisocyanate and polymethylene polyphenylene polyisocyanate; the waste streams originate from the production of said isocyanates. The invention comprises a method having the steps of (A) chemolysis of the polyurethane product or waste stream, (B) optional processing of the chemolysis product and (C) pyrolysis of the optionally processed chemolysis product. The invention also relates to a system for obtaining aniline, comprising (a) a chemolysis device, (b) an optional processing device and (c) a pyrolysis device.
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
C07C 209/62 - Preparation of compounds containing amino groups bound to a carbon skeleton by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
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
C08J 11/28 - 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 compounds containing nitrogen, sulfur or phosphorus
35.
IDENTIFICATION OF URETHANASES BASED ON GROWTH SELECTION USING 4-AMINOBENZOIC ACID (PABA)
The present invention relates to a bio assay which identifies microorganisms expressing a urethanase gene. Growth on a medium deficient in folic acid an supplemented with u- aminobenzoic acid is used in this assay.
C12Q 1/34 - Measuring or testing processes involving enzymes, nucleic acids or microorganismsCompositions thereforProcesses of preparing such compositions involving hydrolase
36.
ENCAPSULATION MATERIAL MADE FROM A POLYURETHANE FOAM COMPOSITION
An isocyanate reactive formulation particular suitable for the production of polyurethane foams which may be used as encapsulation material for battery module, a reactive polyurethane foam composition made therefrom with polyisocyanates and a process to make polyurethane foams by conversion of such reactive foam composition are disclosed.
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 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.
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 diol 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 recovering fibres from fibre-reinforced polyurethane-based composites with the aid of a hydrolysis method, and to the further use of the fibres recovered in this way.
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
D01G 11/00 - Disintegrating fibre-containing articles to obtain fibres for re-use
B29B 17/02 - Separating plastics from other materials
B29K 75/00 - Use of polyureas or polyurethanes as moulding material
B29K 105/06 - Condition, form or state of moulded material containing reinforcements, fillers or inserts
40.
YEASTS FOR THE TREATMENT OF SALINE WASTEWATER COMPRISING FORMATE
The present invention relates to means and methods for the biological oxidation of formic acid in industrial wastewater, particularly with high salt concentrations. Yeast cells suitable for this purpose are described as well as useful enzymes, particularly formate dehydrogenases and oxidases.
C02F 103/36 - Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups from the manufacture of organic compounds
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 provides a method for separating hexamethylene diamine (HMDA) from an aqueous solution, comprising the steps: a) providing an HMDA- containing aqueous solution, wherein said aqueous solution is a fermentation broth, b) extracting the HMDA-containing aqueous solution with a monovalent alcohol having 4 to 8 carbon atoms, c) obtaining an HMDA-containing alcoholic phase, and d) distilling the HMDA-containing alcoholic phase at a pressure of 1-1000 mbar and separating the HMDA from the monovalent alcohol.
Method for separating 1,6-hexamethylenediamine (HMDA) from an aqueous solution, comprising the steps: a) providing HMDA-containing aqueous solution, wherein said aqueous solution is a fermentation broth, b) extracting the HMDA-containing aqueous solution with a solvent mixture (i) at least one monovalent alcohol having 4 to 7 carbon atoms and (ii) at least one alkane having 5 to 7 carbon atoms, wherein the alkane content of the solvent mixture is in the range from 2 wt% to 50 wt% based on the total weight of all alcohols and alkanes present in the solvent mixture; c) obtaining an HMDA- containing solvent mixture as separatephase, and d) distilling the HMDA-containing solvent mixture and separating the HMDA from the solvent mixture.
The present invention relates to a process for producing alkoxysilane-containing polyurethanes and/or polyurethane ureas by reacting A1) at least one alkoxysilane-free compound containing at least one isocyanate group and/or B1) at least one alkoxysilane-free compound containing at least one Zerewitinoff-active hydrogen atom with at least one compound containing at least one alkoxysilane group and at least one NCO group and/or B2) at least one compound containing at least one alkoxysilane group and at least one Zerewitinoff-active hydrogen atom in the presence of (C) additives, characterized in that C) comprises tin(II) chloride as catalyst. The invention further relates to the alkoxysilane-containing polyurethanes obtained from the process and to the use thereof.
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
C08G 18/24 - Catalysts containing metal compounds of tin
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 method for obtaining aqueous solutions containing hexamethylene diamine by depolymerizing polyamides and efficiently separating said hexamethylene diamine from the aqueous solution.
C07C 209/62 - Preparation of compounds containing amino groups bound to a carbon skeleton by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds
C07C 209/62 - Preparation of compounds containing amino groups bound to a carbon skeleton by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds
The present invention relates to a process for preparing a block copolymer, in which process a composition containing A) at least one representative selected from the group consisting of polycarbonates, polyesters and polyester carbonates, B) at least one second polymer selected from the group consisting of in each case OH- and/or COOH-functionalised vinyl (co)polymers, olefin (co)polymers and (organo)polysiloxanes, C) at least one transition metal carboxylate salt containing a transition metal cation Mn+, where n is an integer between 1 and 4, and a carboxylate anion of a monovalent or polyvalent carboxylic acid, wherein component C is used in an amount of at least 0.01 parts by weight, based on a total of 100 parts by weight of components A and B, is melted by introducing mechanical and/or thermal energy, the components of the composition are mixed and dispersed in one another, and components A and B in the melt dispersion of the components are at least partly converted to form the block copolymer. The invention also relates to a specific block copolymer containing blocks A*, derived from at least one polymer A, and blocks B*, derived from at least one polymer B, and to a thermoplastic moulding compound containing the block copolymer, and to a moulded body containing the block copolymer.
C08G 81/00 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
C08G 63/91 - Polymers modified by chemical after-treatment
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
C08F 8/00 - Chemical modification by after-treatment
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 disclosure 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 invention relates to a thermoplastic moulding composition containing: A) at least one polycarbonate and/or polyester carbonate each containing structural units derived from bisphenol-A; B) a further polymer different from component A or a mixture consisting of polymers each different from component A, wherein Component B consists of B1) at least one thermoplastic polymer and optionally B2) at least one non-thermoplastic polymer; C) at least one inorganic filler selected from the group consisting of quartz compounds, talc, wollastonite, kaolin, CaCO3, titanium dioxide, and titanium dioxide in combination with other inorganic pigments, Al(OH)3. AlO(OH), Mg(OH)2 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.
The present invention relates to an isocyanate-terminated prepolymer obtainable by the process according to the invention, and to the use of the prepolymer obtained by the process according to the invention or of the prepolymer obtainable by the process according to the invention for the production of an adhesive film or of a shaped body. The invention also provides the process for producing the adhesive film and the adhesive film obtainable by this process.
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 an isocyanate-reactive composition comprising an internal release agent, a method for production of a polyurethane sandwich element using the isocyanate-reactive composition, use of the isocyanate-reactive composition in the method for production of a polyurethane sandwich element and the polyurethane sandwich element.
C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
B32B 3/12 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. apertured or formed of separate pieces of material characterised by a layer of regularly-arranged cells whether integral or formed individually or by conjunction of separate strips, e.g. honeycomb structure
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
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.
H01B 7/295 - Protection against damage caused by external factors, e.g. sheaths or armouring by extremes of temperature or by flame using material resistant to flame
C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
53.
Novel two-component clear-coat systems comprising polyaspartic acid ester
The present invention relates to two-component clear-coat systems comprising polyaspertic esters having primary amino groups and small amounts of dialkyl fumarates, to a process for the production thereof, and to the use thereof in the production of coatings for vehicle repair applications and to substrates coated therewith.
The present disclosure relates to a polycarbonate composition including the following components, relative to the total weight of the composition: A) 10-60 wt. % of a copolycarbonate, B) 25-75 wt. % of a homopolycarbonate, C) 3-13 wt. % of a phosphorous flame retardant, D) 4-9 wt. % of an impact modifier, and E) 2-14 wt. % of a polyester poly(1,4-butylene terephthalate), poly(1,4-cyclohexylenedimethylene 1,4-cyclohexanedicarboxylate), poly(2,2,4,4-tetramethyl-1,3-cyclobutylene terephthalate) copolyester, and a combination thereof. The present disclosure also relates to a shaped article made from the composition. The polycarbonate composition according to the present disclosure has a good combination of comparative tracking index, high heat resistance, good impact resistance and flame retardancy.
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 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.
C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B29C 67/24 - Shaping techniques not covered by groups , or characterised by the choice of material
B29K 275/00 - Use of polyureas or polyurethanes as reinforcement
B29K 669/00 - Use of polycarbonates for preformed parts, e.g. for inserts
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
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.
C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
H01B 3/42 - Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes polyesters, polyethers, polyacetal
58.
Thermally Conductive Flame-Proof Polycarbonate Compositions Having a High Comparative Tracking Index
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 present invention relates to a process for preparing polypropylene ether-containing thermoplastic polyurethanes and to polypropylene ether-containing thermoplastic polyurethanes obtained or obtainable by these processes. The invention further relates to the use of these polypropylene ether-containing thermoplastic polyurethanes and to articles comprising or consisting of the polypropylene ether-containing thermoplastic polyurethane.
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 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.
The present disclosure relates to a pair of screw elements suitable for a multishaft screw machine with m screw shafts SW1 to SWm rotating in the same direction and at the same speed, the respective neighboring axes of rotation X1 to Xm of which have a center distance A in a cross-section at right angles to the axes of rotation, and with m interpenetrating circular housing bores which each have an identical housing bore inner diameter D and of which the bore centers M1 to Mm have a distance equal to the center distance A, and of which the bore centers M1 to Mm coincide with the respective associated axes of rotation X1 to Xm of the screw shafts SW1 to SWm and coincide with the centers of rotation P1 to Pm of the screw 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
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
62.
HIGHLY BREATHABLE ELECTRONIC PATCH AND METHOD FOR PRODUCING SUCH PATCH
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).
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 provides a battery module comprising at least one battery cell and a polyurethane potting foam, wherein the battery cell is potted in the polyurethane potting foam, and a polymer layer with wetting tension of less than or equal to 32 mN/m, preferably less than or equal to 28 mN/m, more preferably less than or equal to 25 mN/m, most preferably 16 to 25 mN/m is applied on a contact interface between the battery cell and the polyurethane potting foam, the wetting tension is measured according to GB/T 14216-2008. The present invention provides a battery module with rapidly detachable battery cells, which is suitable for industrial large-scale production. Thus, it is possible to detach and replace specific battery cells, greatly reduce the maintenance cost of battery modules, and recycle waste battery cells, which meets environmental requirements to the greatest extent.
H01M 50/218 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by the material
H01M 50/233 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions
H01M 50/244 - Secondary casingsRacksSuspension devicesCarrying devicesHolders characterised by their mounting method
H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains
H01M 50/124 - Primary casingsJackets or wrappings characterised by the material having a layered structure
H01M 50/131 - Primary casingsJackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
H01M 50/213 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
65.
METHOD FOR PRODUCING ANILINE OR AN ANILINE-DERIVED PRODUCT
The present invention relates to a process for preparing aniline or an aniline conversion product, comprising the steps of (A) providing aminobenzoic acid; (B) decarboxylating the aminobenzoic acid in a reactor at a reaction temperature in the range from 170° C. to 350° C. to give aniline and carbon dioxide, wherein the decarboxylation is conducted at a reaction pressure at which the boiling point of aniline is reached or—preferably—exceeded, such that a first, liquid, phase possibly containing solid particles and a second, gaseous, phase form in the reactor, with a gaseous stream containing aniline and carbon dioxide being discharged from the reactor; and (C) condensing and optionally purifying the aniline present in the gaseous stream; and (D) optionally, converting the aniline obtained in (C) to an aniline conversion 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
66.
METHOD FOR RECOVERING RAW MATERIALS FROM POLYURETHANE PRODUCTS
The invention relates to a method for recovering raw materials from polyurethane products, said method having a chemolysis process. The chemolysis process is characterized in that the polyurethane products are reacted with (i) an aminic chemolysis reagent selected from (a) a primary or secondary organic amine, (b) an amino alcohol with a primary or secondary amino group, or (c) a mixture of (a) and (b) and (ii) water in the presence of (iii) a catalyst at a temperature ranging from 100° C. to 195° C. and at a pressure ranging from 900 mbar (abs) to 2000 mbar (abs), wherein the mass ratio of aminic chemolysis reagent and water to the polyurethane product ranges from 0.5 to 2.5, and the mass of the water ranges from 3.0% to 22% of the mass of the aminic chemolysis reagent.
C08J 11/28 - 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 compounds containing nitrogen, sulfur or phosphorus
C08J 11/06 - Recovery or working-up of waste materials of polymers without chemical reactions
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
67.
NCO-Terminated Prepolymer for Coating Applications
The present disclosure relates to a NCO-terminated prepolymer for coating applications, to a process for preparing the inventive NCO-terminated prepolymer and to the use of the inventive NCO-terminated prepolymer. The present disclosure further relates to a two-component-system, including a component A), including at least the inventive NCO-terminated prepolymer and a component B), including at least one compound which includes at least one Zerewitinoff-active group. Additionally, the present disclosure relates to a process for curing a composition on a substrate and to the cured article.
The invention relates to an EE device including depending on the operating voltage applied, different distance ranges between the electrical conductors, the distances being so small that already the material used between the electrical conductors results in a very high comparative tracking index. Surprisingly, this material is a polycarbonate-based material the comparative tracking index of which is significantly increased when relatively small amounts of fluorine-containing anti-dripping agent and phosphorus-based retardant are added.
The present invention relates to a thermoplastic polycarbonate composition comprising the following components A-E: A) from 78 wt.% to 97 wt.% of an aromatic polycarbonate; B) from 0.05 wt.% to 0.09 wt.% of a fluorine-containing metal organic sulfonate; C) from 0.05 wt.% to 0.5% of an epoxy group-containing vinyl-based copolymer; D) from 2 wt.% to 20 wt.% of a glass fiber; and E) from 0.05 wt.% to 0.5 wt.% of an anti-dripping agent, wherein the amounts are relative to the total weight of the composition. The present invention also relates to a shaped article made from the composition. The polycarbonate composition according to the present invention has good flame retardancy.
Described are thermoplastic compositions on the basis of aromatic polycarbonate having a high comparative tracking index, good flame retardancy and a high heat deflection temperature. The compositions contain a combination of polyalkyl(meth)acrylate, phosphorus-containing flame retardant and fluorine-containing anti-dripping agent.
The present invention relates to a compound containing oximic hydroxyl groups and to a process of preparing same. The invention further relates to a process for preparing a polyurethane, comprising the reaction of the compound containing oximic hydroxyl groups, to the polyurethanes resulting therefrom and to a thermal treatment of this polyurethane.
C08G 18/24 - Catalysts containing metal compounds of tin
C08G 18/50 - Polyethers having hetero atoms other than oxygen
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
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
72.
GAS DIFFUSION ELECTRODE AND METHOD FOR REDUCING HYDROGEN DEVELOPMENT DURING ELECTROLYSIS OPERATION WITH GAS DIFFUSION ELECTRODE
A gas diffusion electrode is suitable for improving the mechanical stability of a gas diffusion electrode and reducing the amount of hydrogen generated at the gas diffusion electrode during an electrolysis process, said gas diffusion electrode containing at least one electrocatalyst and at least one gas diffusion layer (21) arranged on more than 75% of the surface of an open-pore, planar carrier produced from at least one material and being characterised in that based on the total weight of said carrier, the total proportion of electrically conductive material of said carrier is in the range from 50 to 100 wt.% and said carrier has, at least along one of its boundary regions, a partial area (22) which is not covered by the gas diffusion layer, wherein on said partial area (22) at least on the surface of said carrier, a material is present which (a) conducts electric current and at 50°C has at least the same overvoltage for the development of hydrogen as the at least one electrocatalyst, or (b) is an insulator.
The present invention relates to a method for producing composite components with improved interlaminar bonding, the components comprising a carrier, which comprises polycarbonate and at least one polyurethane layer in direct contact with this carrier. The invention also relates to composite components with improved interlaminar bonding, and to the use of a polycarbonate having a defined aliphatic OH content as a carrier material or film material in the production of composite parts with improved interlaminar bonding.
B29C 45/16 - Making multilayered or multicoloured articles
B29C 67/24 - Shaping techniques not covered by groups , or characterised by the choice of material
C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B29K 69/00 - Use of polycarbonates as moulding material
B29K 75/00 - Use of polyureas or polyurethanes as moulding material
The present invention relates to a polyisocyanate mixture containing: at least one HDI polyisocyanate M) having a viscosity according to DIN EN ISO 3219:1994-10 at 23°C of 100 to 1600 mPas and comprising allophanate- and/or isocyanurate structures, and at least one PDI polyisocyanate N) in a weight ratio of 80 : 20 to 20 : 80. The invention further relates to the use of the polyisocyanate mixture and to a composition containing the polyisocyanate mixture, to a method for producing a coating on a substrate and to the coated substrate.
The invention relates to a polyisocyanate mixture, to a method for the production thereof, and to the use of the polyisocyanate mixture. The invention also relates to a composition containing the polyisocyanate mixture, a method for producing a coating on a substrate, and to the coated substrate.
C08G 18/02 - Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
C08G 18/09 - Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture
C08G 18/24 - Catalysts containing metal compounds of tin
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
C08G 18/36 - Hydroxylated esters of higher fatty acids
C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
The invention relates to a blocked polyiosocyanate, which contains two or more 2-carbamoylpropane-1,2,3-tricarboxylate structures, and to a process of production thereof. The invention further relates to a composition containing the blocked polyisocyanate, but also to moldings or coated substrates made of the blocked polyisocyanates.
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
Described are thermoplastic compositions on the basis of aromatic polycarbonate having a high comparative tracking index, good flame retardancy and a high heat deflection temperature. The compositions contain a combination of (meth)acrylate copolymer, phosphorus-containing flame retardant and fluorine-containing anti-dripping agent.
The invention relates to a method for the purification of aniline, comprising the following steps: a) providing a raw aniline fraction; b) extracting the raw aniline fraction with an aqueous extractant containing, in relation to the total mass of the aqueous extractant, an alkali metal hydroxide in a concentration range from 0.009 to 2.05 mass % and an alkali metal salt that is different from an alkali metal hydroxide in a concentration range from 2.40 to 25.0 mass %, wherein an organic aniline phase and an aqueous amino phenolate phase are obtained after a phase separation; c) distilling the organic aniline phase from step b), obtaining a flow of purified aniline, a gaseous flow that boils at a lower temperature than aniline and containing organic impurities, and a liquid flow that boils at a higher temperature than aniline and containing organic impurities and aniline.
USE OF A SOLVENT-FREE COMPOSITION COMPRISING EPOXY-FUNCTIONAL OXAZOLIDINONES FOR PRODUCING ADHESIVES, SEALING COMPOUNDS, POTTING COMPOUNDS AND COMPOSITES
The invention is related to the use of a solvent-free composition C, comprising (A) at least one epoxy-group terminated polyoxazolidinone, derived from a process P comprising the copolymerization of (A1) at least one aliphatic poly epoxide compound with (A2) at least one cycloaliphatic and/or at least one aromatic and/or at least one araliphatic polyisocyanate compound, preferably in the presence of (A3) at least one catalyst, wherein the process is operated at a molar ratio of the epoxy groups of the polyepoxide component (Al) to the isocyanate groups of the polyisocyanate component (A2) of ≥ 2: 1 to ≤ 25: 1, furthermore comprising (B) at least one compound having at least one group that is reactive towards terminal epoxy-groups, (C) optionally at least one catalyst and (D) optionally at least one additive, for producing adhesives, sealing compounds, potting compounds, composites, such as fiber composite materials, or moldings, or for producing coatings on mineral, metallic or plastic substrates. The invention is also related to the aforementioned products, obtainable according to the inventive use.
The invention relates to a method involving the production of aminobenzoic acid, said method having the steps of: (A) fermenting a raw material containing a reducing sugar and a nitrogen-containing compound in the presence of microorganisms in a fermentation reactor in order to form an aminobenzoate anion-containing fermentation product, wherein the pH value is kept in the range of 6.0 to 8.5 during the fermentation process by adding an inorganic base, (B) separating the microorganisms from the fermentation product, thereby obtaining a clarified fermentation product, and (C) precipitating aminobenzoic acid from the clarified fermentation product by setting a pH value of 3.0 to 4.7 by adding a protonic acid and separating the precipitated aminobenzoic acid, thereby leaving a mother liquor. The mother liquor obtained in step (C) is supplied to step (A).
The invention relates to the production of aminobenzoic acid using a method having the steps of (A) providing an aminobenzoate anion-containing fermentation broth by carrying out a fermentation process in the presence of microorganisms selected from Escherichia coli, Pseudomonas putida, Corynebacterium glutamicum, Bacillus coagulans, or a mixture of two or more of the aforementioned microorganisms and subsequently carrying out a clarification process, (B) setting a pH value of 3.0 to 5.5 in the aminobenzoate anion-containing fermentation broth by adding formic acid, (C) separating aminobenzoic acid precipitated in step (B), and (D) partly or completely introducing the mother liquor precipitated in step (C) to the fermentation, thereby depleting the formate anions contained in the mother liquor and the formic acid by means of (i) an added enzyme preparation and/or (ii) the microorganisms used in step (A) and/or (iii) added additional microorganisms which differ from the microorganisms used in step (A). The aminobenzoic acid obtained in this manner can be converted into secondary products, in particular into aniline and, in the case of ortho-aminobenzoic acid, into isatoic anhydride or anthranilic acid ester, which can be used as starting materials in the production of polymeric compounds such as polyurethanes or poly(anthranilamide).
The invention relates to a method involving the production of aminobenzoic acid, said method having the steps of: (A) fermenting a fermentable carbon-containing compound and a nitrogen-containing compound in the presence of microorganisms to obtain a fermentation broth containing aminobenzoate anions and/or aminobenzoic acid; (B) recovering aminobenzoic acid from the fermentation broth; (C) converting carbon dioxide into a reduction product selected from formic acid, ammonium formate, an alkali metal salt of formic acid, acetic acid, ammonium acetate, or an alkali metal salt of acetic acid, and (D) adding the reduction product from step (C) to the fermentation process of step (A).
The present invention relates to a process for producing composite components with improved interlaminar bonding, the components comprising a carrier, which comprises polycarbonate and a further thermoplastic polymer, and at least one polyurethane layer in direct contact with this carrier. The invention also relates to composite components with improved interlaminar bonding, and to the use of a thermoplastic composition having a defined OH content as a carrier material or film material in the production of composite parts with improved interlaminar bonding.
B29C 45/16 - Making multilayered or multicoloured articles
B29C 67/24 - Shaping techniques not covered by groups , or characterised by the choice of material
C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B29K 69/00 - Use of polycarbonates as moulding material
B29K 75/00 - Use of polyureas or polyurethanes as moulding material
84.
PROCESS FOR PRODUCING A COMPOSITE COMPONENT HAVING A CARRIER COMPRISING POLYCARBONATE AND AN ADDITIVE, THE CARRIER HAVING A SPECIFIC OH CONTENT
The present invention relates to a process for producing composite components with improved interlaminar bonding, the components comprising a carrier, which comprises polycarbonate and at least one additive, and at least one polyurethane layer in direct contact with this carrier. The invention also relates to composite components with improved interlaminar bonding, and to the use of a thermoplastic composition having a defined OH content as a carrier material in the production of composite parts with improved interlaminar bonding.
The invention relates to a polyisocyanate mixture, a process for its production and its use as starting component in the production of polyurethane plastics. The invention further relates to coating agents containing the polyisocyanate mixture and to the substrates coated with said coating agents.
C08G 18/02 - Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
C08G 18/09 - Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture
C08G 18/24 - Catalysts containing metal compounds of tin
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
C08G 18/36 - Hydroxylated esters of higher fatty acids
C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
The invention relates to a four-flight screw element for a multishaft screw machine with screw shafts rotating in the same direction and at the same speed. The two screw elements according to the invention, which are located opposite each other directly adjacent on two directly adjacent screw shafts, practically clean each other in pairs. The invention also relates to the use of the screw element according to the invention in a multishaft screw machine and to a multishaft screw machine which is equipped with a pair of screw elements according to the invention, as well as to a method for the extrusion of plastic or viscoelastic masses using the screw element according to the invention.
B01F 27/1143 - Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections screw-shaped, e.g. worms
B01F 27/723 - Mixers with rotary stirring devices in fixed receptaclesKneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices with two or more helices in the same receptacle the helices intermeshing to knead the mixture
B01F 101/00 - Mixing characterised by the nature of the mixed materials or by the application field
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
B29C 48/535 - Screws with thread pitch varying along the longitudinal axis
B29C 48/635 - Eccentrically rotating screwsScrews revolving around an axis other than their central axis
87.
METHOD FOR RECOVERING VALUABLE SUBSTANCES FROM POLYURETHANE FOAMS
The present invention relates to a method for recovering valuable substances from polyurethane foams, the method comprising: (A) providing a polyurethane foam based on toluene diisocyanate and polyether polyol; (B) performing chemolysis of the polyurethane foam by reacting it with an organic chemolysis reagent and water, wherein the organic chemolysis reagent is selected from (i) a primary or secondary chemolysis amine, (ii) a chemolysis amino alcohol having a primary or secondary amino group, (iii) a chemolysis alcohol, or (iv) a mixture of two or more of the aforementioned organic chemolysis reagents; (C) distilling off the organic chemolysis reagent and optionally also the toluenediamine formed in (B) or portions thereof, wherein the distilling off may be preceded and/or followed by separation of solid components; (D) extracting polyether polyol using an organic solvent, wherein an acid and water are added, and, after separation of an acidic aqueous phase, a polyol phase is obtained; and (E) processing the polyol phase to recover at least one polyether polyol.
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
C08J 11/28 - 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 compounds containing nitrogen, sulfur or phosphorus
88.
METHOD FOR RECOVERING VALUABLE SUBSTANCES FROM POLYURETHANE FOAMS
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
C08J 11/28 - 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 compounds containing nitrogen, sulfur or phosphorus
The invention relates to a process for producing isocyanates by phosgenation of amines with phosgene, to the use thereof and to a phosgenation facility for carrying out the process.
The invention relates to an OH-terminated urethane prepolymer with defined build factor, to a process for preparing same and to the use of the prepolymer for polymer preparation.
cocoww of at least 40 000 g/mol to preferably 190 000 g/mol with viscous characteristics at room temperature. These polymers can be processed to give mouldings in common plastification processes.
The present invention relates to a composition containing A) 60 to 93 wt. % of at least one aromatic polycarbonate, polyester carbonate or mixtures thereof, B) 2 to 20 wt. % of a polyester on the basis of an aromatic or cycloaliphatic dicarboxylic acid or mixtures thereof and cyclohexane dimethanol and optionally an additional aliphatic diol, and C) 1 to 20 wt. % of at least one phosphorus-containing flame retardant. The invention also relates to a component that contains the composition and to the use of components B and C in the indicated quantities in order to improve CTI and flame retardancy of polycarbonate compositions.
The present invention relates to an aqueous polyurethane-urea dispersion comprising water and a polyurethane-urea, wherein the polyurethane-urea is obtained by at least partly deprotonating the reaction product of at least components (A)-(F): (A) from 60.0 to 80.0% by weight of one or more polyether polyols with a number average molecular weight of from 500 to 4000 g/mol and a hydroxy functionality from 1.9 to 2.1, wherein said polyether polyols comprise at least 65.0% by weight, based on the total weight of the polyether polyols (A), of one or more polytetrahydrofuran polyol, (B) from 5.0 to 12.0% by weight of one or more polyethers with a hydroxy functionality from 0.9 to 1.1 and a number average molecular weight of from 1500 to 2500 g/mol, (C) from 0.5 to 2.0% by weight of one or more isocyanate-reactive compounds containing at least one carboxylic acid group that can be converted into a salt group which is capable to render the polyurethane-urea dispersible in water, (D) from 0.4 to 2.0% by weight of one or more branching agents having a hydroxy functionality of 3.0 (D1) and/or from 1.0 to 5.0% by weight of one or more branching agents having an isocyanate functionality from 3.0 to 4.0 (D2), (E) from 10.0 to 30.0% by weight of one or more diisocyanates, (F) from 0.1 to 5.0% by weight of one or more amine functional chain extenders and/or one or more amine functional chain terminators, wherein the amounts of (A) to (F) are given based on the weight of the polyurethane-urea, and wherein said deprotonating is effected by reacting said reaction product with one or more amines and/or ammonia.
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
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
D06N 3/00 - Artificial leather, oilcloth, or like material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
95.
METAL LAYER-CONTAINING MULTI-LAYER BODY FOR DIFFUSE TRANSILLUMINATION
The invention relates to a multi-layer body, comprising (I) a carrier layer made of a special thermoplastic polycarbonate molding compound and (II) a metal layer which has one or more recesses. The invention also relates to a lighting or display unit, comprising the multi-layer body and a light source, to a method for producing the multi-layer body, and to the use of the special thermoplastic polycarbonate molding compound as a carrier layer of such a multi-layer body.
C25D 5/02 - Electroplating of selected surface areas
C25D 5/14 - Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
C25D 5/56 - Electroplating of non-metallic surfaces of plastics
G09F 9/33 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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 18/62 - Polymers of compounds having carbon-to-carbon double bonds
C08G 18/70 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
C08G 18/77 - Polyisocyanates or polyisothiocyanates having hetero atoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
The present invention relates to an aqueous polyurethane dispersion and a process for preparing the same, an adhesive containing the same, and an adhesion article obtained by bonding with the adhesive. The aqueous polyurethane dispersion comprises a polyurethane having an anionic group dispersed therein, the polyurethane has a fusion enthalpy of 3 J/g-100 J/g at 20° C.-100° C. of the first temperature rising curve measured with the DSC according to DIN 65467, a weight-average molecular weight of 31,000-95,000, and the aqueous polyurethane dispersion has an acid value of 0.5 mg KOH/g-8.5 mg KOH/g. The adhesive comprising the aqueous polyurethane dispersion of the present invention has an excellent initial bonding force.
C08G 18/34 - Carboxylic acidsEsters thereof with monohydroxyl compounds
C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
C08G 18/72 - Polyisocyanates or polyisothiocyanates
C08G 18/73 - Polyisocyanates or polyisothiocyanates acyclic
C08G 18/75 - Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
C08J 3/07 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from polymer solutions
C09D 11/102 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
The invention relates to a multi-layer body, comprising (I) a carrier layer made of a special thermoplastic polycarbonate molding compound and (II) a layer made of a material selected from the group consisting of stone products, hide products, textile fabrics containing synthetic fibers, materials of plant origin or materials containing components of plant origin, or laminates containing one or more of the aforementioned materials, wherein the layer (II) has either a specified minimum transmission or at least one recess in the shape of at least one symbol, a pattern, a hole, a line, or a sign, or the layer has punctiform recesses. The invention also relates to a lighting unit, comprising the multi-layer body and a light source, to a method for producing the multi-layer body, and to the use of the special thermoplastic polycarbonate molding compound as a carrier layer of such a multi-layer body.
B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B29K 67/00 - Use of polyesters as moulding material
B29K 69/00 - Use of polycarbonates as moulding material
99.
POLYURETHANE FOAM, METHOD FOR PREPARING THE SAME, AND ARTICLE THEREOF
The present invention relates to a polyurethane foam with a relatively high biobased content. The present invention also relates to a method for preparing the polyurethane foam and an article comprising the polyurethane foam.
Photopolymer compositions include a) matrix polymers, b) writing monomers, c) at least one photoinitiator system, d) optionally at least one non-photopolymerisable component, e) optionally catalysts, radical stabilisers, solvents, additives and other auxiliary and/or additional materials. The at least one photoinitiator system c) consists of at least one colouring agent and at least one coinitiator. At least one of the colouring agents has a structure according to formula (II), and the at least one coinitiator has a calculated oxidation potential (E); determined according to the formula (1).
B32B 3/02 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
G11B 7/24044 - Recording layers for storing optical interference patterns, e.g. hologramsRecording layers for storing data in three dimensions, e.g. volume storage
G11B 7/245 - Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing a polymeric component
