| Bayer MaterialScience AG Patent applications |
| Patent application number | Title | Published |
|---|
| 20120130110 | PROCESS FOR CONTINUOUSLY PREPARING DIALKYL CARBONATE - The present invention relates to a process comprising purifying dialkyl carbonates of the formula (II) in one or more columns in the presence of an alkylene oxide of the formula (V) and of an alkyl alcohol of the formula (IV) | 05-24-2012 |
| 20120130015 | PRODUCTION OF MOULDED BODIES CONTAINING ADDITIVES - The present invention relates to a method for the accelerated production of thermoplastic molded bodies containing additives in reproducible quality, particularly for the accelerated production of dyed thermoplastic molded bodies with high color consistency. | 05-24-2012 |
| 20120129966 | PROCESS FOR PRODUCING POLYESTER POLYOLS WITH LOW QUANTITIES OF DIOXANE WASTE - The present invention relates to the production and use of polyester polyols produced from at least one aromatic dicarboxylic acid or an alkyl ester of an aromatic dicarboxylic acid or the anhydride of an aromatic dicarboxylic acid and at least one α,ω-diol, wherein the formation of 1,4-dioxane from diethylene glycol is largely suppressed by means of specific reaction management. | 05-24-2012 |
| 20120129259 | METHOD FOR PRODUCING A COATED CELL CULTURE CARRIER - The present invention relates to a method for producing a coated cell culture carrier, wherein a solution comprising a polyurethane urea is applied to a cell carrier and dried. The polyurethane urea is produced beforehand by converting at least one polycarbonate polyol component, at least one polyisocyanate component, and at least one diamino component. The invention further relates to a cell culture carrier obtained according to the method and the use thereof for in-vitro cultivation of stem cells, particularly for cultivating mesenchymal stem cells. | 05-24-2012 |
| 20120128960 | ELECTRO-SWITCHABLE POLYMER FILM ASSEMBLY AND USE THEREOF - The invention relates to an electro-switchable polymer film assembly having a first and a second surface side, comprising at least one pair of electrodes ( | 05-24-2012 |
| 20120126959 | ELECTROACTIVE POLYMER TRANSDUCERS FOR TACTILE FEEDBACK DEVICES - Electroactive transducers as well as methods of producing a haptic effect in a user interface device simultaneously with a sound generated by a separately generated audio signal and electroactive polymer transducers for sensory feedback applications in user interface devices are disclosed. | 05-24-2012 |
| 20120126667 | METHOD FOR OBTAINING ELECTRICAL ENERGY FROM THE KINETIC ENERGY OF WAVES - The invention relates to a method for obtaining electrical energy from the kinetic energy waves. According to said method, a device is provided in the water, comprising an electroactive polymer that can expand with the action of the waves. When the electroactive polymer expands, an electrical charge is applied at a specific time for a specific time interval. Said electrical charge is removed during the relaxation of the polymer, except for a residual charge. According to said method, the variables of the electrical target charge required for the operation of the method, and the time intervals for the beginning and end of the charging and discharging of the electroactive polymer are determined. The invention also relates to a system for obtaining electrical energy and to a computer program product comprising commands that can be implemented by a microprocessor for carrying out the calculations in the method according to the invention. | 05-24-2012 |
| 20120126663 | METHOD FOR PRODUCING AN ELECTROMECHANICAL CONVERTER - The present invention relates to a method for producing an electromechanical, for example piezoelectric, transducer, comprising the steps of: A) applying a monolayer of spacer elements ( | 05-24-2012 |
| 20120125740 | ASSEMBLY FOR SUPPORTING AND GUIDING CONVEYOR BELTS - The invention relates to a supporting and guiding assembly for conveyor belts comprising a frame ( | 05-24-2012 |
| 20120123152 | PROCESS FOR THE PREPARATION OF ISOCYANATES - An isocyanate is produced by reacting an amine with a stoichiometric excess of phosgene in the gas phase. This reaction is carried out at a temperature above the amine's boiling point to obtain a liquid stream containing the isocyanate and a gas stream containing hydrogen chloride and phosgene. The gas stream containing hydrogen chloride and phosgene thus produced is separated into a gas stream containing hydrogen chloride and a liquid stream containing phosgene. At least part of the liquid stream containing phosgene is then converted to a gas stream containing phosgene which gas stream is then recycled. The gaseous phosgene stream is maintained at a higher pressure than the liquid phosgene stream. | 05-17-2012 |
| 20120123008 | PROCESS FOR THE PREPARATION OF A POLYURETHANE POLYMER WITH SECONDARY HYDROXYL END GROUPS COMPRISING POLYESTER POLYOLS - The invention relates to a process for the preparation of a polyurethane polymer, comprising the step of reaction of | 05-17-2012 |
| 20120121920 | MULTI-LAYER PRODUCTS COMPRISING ACRYLATE CONTAINING COATINGS - The present invention relates to a method for producing a multi-layer product comprising a) a substrate containing at least one thermoplastic substrate layer and b) at least one protective layer made of a coating composition comprising compounds with at least two functional groups, characterized in that the protective layer(s) are/is applied inline after the production of the substrate containing the substrate layer. | 05-17-2012 |
| 20120121902 | POLY(THF)-BASED POLYURETHANE DISPERSIONS - The present invention relates to novel aqueous polyurethane dispersions produced using at least two poly(tetramethylene glycol) polyether polyols with different average molar masses and at least two different polyisocyanate components. | 05-17-2012 |
| 20120121887 | METHOD FOR PREPARING A FOAM COMPOSITE ELEMENT - The invention relates to a method for preparing a foam composite element, including the steps of preparing a top layer, applying an adhesion promoter layer to the top layer, wherein the adhesion promoter layer includes a modified isocyanate, and applying a foam layer including polyurethane and/or polyisocyanurate to the adhesion promoter layer. On application, the modified isocyanate in the adhesion promoter layer has a content of free isocyanate groups of from ≧10% to ≦29%. The invention further relates to the use of a modified isocyanate having a content of free isocyanate groups of ≧10% to ≦29% as an adhesion promoter in the preparation of foam composite elements and foam composite elements obtained by the method according to the invention. | 05-17-2012 |
| 20120116114 | PROCESS FOR PRODUCING POLYESTER POLYOLS HAVING SECONDARY OH END GROUPS - The invention relates to a process for producing polyester polyols with secondary hydroxyl end groups, including the step of the reaction of a polyester including carboxyl end groups with an epoxide of the general formula (1): | 05-10-2012 |
| 20120116041 | REACTIVE SYSTEMS CONTAINING FORMAMIDES - The invention relates to novel formamides derived from diamines or triamines. As compared to amines, these formamide-terminated compositions have a decelerated reactivity to polyisocyanates, that is, prepolymers. | 05-10-2012 |
| 20120116030 | PROCESS FOR CONTINUOUSLY PRODUCING THERMOPLASTICALLY PROCESSABLE POLYURETHANES - The invention relates to a process for continuously producing thermoplastically processable polyurethanes in a recycle reactor with flexibly adjustable mixing conditions. | 05-10-2012 |
| 20120114933 | UV-CURING PROTECTIVE LAYER FOR THERMOPLASTIC SUBSTRATES - The invention relates to a multilayer product containing a first layer (S1) and a second layer (S2). The first layer is a lacquer obtained from A) one or more aliphatic polymer precursors selected from among at least one of the groups comprising components A.1 and A.2, wherein A.1) represents aliphatic oligomers that contain urethane or ester bonds and have at least two acrylate functions per molecule, or mixtures of corresponding oligomers, and A.2) represents aliphatic reactive diluents having at least two acrylate groups per molecule, or mixtures of corresponding reactive diluents, B) one or more fine-particle inorganic compounds, C) at least one organic UV absorber selected from among the group of triazine derivatives and diphenyl triazine derivatives, D) 0.1 to 2 wt. %, relative to the experimentally determined solid content of the mixture of components A, B, and F, of a radical interceptor belonging to the class of basic HALS, E) one or more optional self-leveling agents, F) one or more optional solvents, and G) at least one Norrish type II photoinitiator. The second layer is a thermoplastic polymer. The invention also relates to a lacquer made of the aforementioned components. | 05-10-2012 |
| 20120112133 | POLYURETHANE MATERIALS COMPRISING CARBON NANOTUBES - The invention relates to semicrystalline polyurethane (PU) compositions which have been filled with carbon nanotubes (CNTs) and have improved electrical properties, and which are obtainable on the basis of water-based polyurethane-CNT mixtures. The invention further relates to a process for producing the polyurethane compositions, in which water-based polyurethane latices are mixed with carbon nanotubes dispersed in water. The invention further relates to films produced by pressurized injection moulding processes or processing of casting solutions. | 05-10-2012 |
| 20120110932 | PAN TILE/ROOFING TILE/FACADE ELEMENT WITH INTEGRATED SOLAR MODULE - The present invention relates to a roofing tile, a roofing shingle or facade element having a photovoltaic solar element and a method for producing such a roofing tile/roofing shingle/facade element. | 05-10-2012 |
| 20120108845 | PROCESS FOR THE PREPARATION OF ISOCYANATES IN THE GAS PHASE - Isocyanates are produced by reacting a primary amine with phosgene in the gas phase. In this process, the amine is vaporized and then superheated prior to introduction into the reactor. The amine is superheated to a temperature at least 10° C. above dew point before entry into the reactor. A pressure difference between the vaporizer and entry into the reactor of from 1 to 500 mbar is maintained. | 05-03-2012 |
| 20120108782 | DEVICE AND METHOD FOR DEGASSING SOLVENT-CONTAINING POLYCARBONATE SOLUTIONS - The invention relates to an apparatus and a process for devolatilizing solvent-containing polycarbonate solutions. By employing the inventive apparatus, polycarbonates with low residual values of volatile constituents are produced from solvent-containing polymer melts, which improved optical properties, especially yellowness index, with the aid of an apparatus combination of a heatable tubular devolatilizer and a vented extruder. | 05-03-2012 |
| 20120108690 | METHOD FOR PRODUCING FLAME-RETARDANT POLYURETHANE FOAM MATERIALS HAVING GOOD LONG-TERM USE PROPERTIES - The subject-matter of the present invention relates to a process for the production of flame-retardant polyurethane foams, preferably for the production of flame-retardant flexible polyurethane foams, from
| 05-03-2012 |
| 20120104329 | METHOD FOR DISPERSING GRAPHITE-LIKE NANOPARTICLES - A method for dispersing graphite-like nanoparticles is described, wherein the graphite-like nanoparticles are dispersed in a continuous liquid phase while applying energy in the presence of the dispersing agent, using dispersing agents consisting of block copolymers, at least one block of which bears aromatic side chains that are bound via aliphatic chain links to the main chain of the block copolymer. | 05-03-2012 |
| 20120103828 | ELECTRODE FOR ELECTROLYTIC CHLORINE PRODUCTION - The present invention relates to an electrode comprising an electrically conductive substrate and a catalytically active layer, wherein the catalytically active layer is based on two catalytically active components and comprises iridium, ruthenium or titanium as metal oxide or mixed oxide or mixtures of the oxides, wherein the total content of ruthenium and/or iridium based on the sum of the elements iridium, ruthenium and titanium is at least 10 mol %, and wherein the electrode comprises at least one oxidic base layer which is applied to the electrically conductive substrate and is impermeable to aqueous electrolytes comprising NaCl and/or NaOH and/or HCl. | 05-03-2012 |
| 20120101293 | PROCESS FOR CONTINUOUSLY PREPARING DIALKYL CARBONATE - The present invention relates to a continuous process for purifying a dialkyl carbonate/alkyl alcohol mixture in the preparation of dialkyl carbonate by catalysed transesterification of a cyclic alkylene carbonate (e.g. ethylene carbonate or propylene carbonate) with alkyl alcohols. For the increase in the product quality of the dialkyl carbonate, the selection of the operating parameters of the dialkyl carbonate purification column are crucial, in order to reduce the formation of unwanted by-products such as alkoxy alcohols and aliphatic carbonate ethers. | 04-26-2012 |
| 20120101247 | PROCESS FOR PREPARING DIARYL CARBONATES FROM DIALKYL CARBONATES - The present invention relates to a process for continuously preparing diaryl carbonates from dialkyl carbonates and at least one monohydroxyl compound in the presence of catalysts, and to the use thereof for preparation of polycarbonates. The alkylene glycol obtained in the preparation of the dialkyl carbonate used is recycled by oxidative carbonylation with carbon monoxide in the presence of a catalyst to give the cyclic alkylene carbonate which is in turn converted to the dialkyl carbonate. More particularly, the process utilizes the alkylene glycol obtained for the diphenyl carbonate preparation process (DPC process). | 04-26-2012 |
| 20120101210 | NOVEL AQUEOUS 2-COMPONENT PUR COATING SYSTEMS FOR IMPROVED CORROSION PROTECTION - The invention relates to novel aqueous two-component coating agents based on hydroxy and/or amino-functional water-dilutable resins and nanoparticle-modified isocyanate-functional curing agents, to a method for the production thereof, and to the use thereof in paints, coatings, and sealants, particularly for corrosion protection applications. | 04-26-2012 |
| 20120100442 | OXYGEN-CONSUMING ELECTRODE AND PROCESS FOR PRODUCING IT - An oxygen-consuming electrode includes a support in the form of a sheet-like structure and a coating including a gas diffusion layer and a catalytically active component, wherein the support is based on a material having a conductivity of less than 1000 S/cm, measured at 20° C. The supports are simple to produce and have a low weight and good processability in the production of the oxygen-consuming electrodes. | 04-26-2012 |
| 20120100441 | OXYGEN-CONSUMING ELECTRODE - The present invention relates to an oxygen-consuming electrode comprising a support in the form of a sheet-like structure and a coating comprising a gas diffusion layer and a catalytically active component, wherein the support is based on a material which can be at least partly removed by dissolution, decomposition, melting and/or vaporization. Furthermore, the use of this oxygen-consuming electrode in chloralkali electrolysis or fuel cell technology is described. | 04-26-2012 |
| 20120100377 | STRESS CRACKING-RESISTANT AND LOW-WARPAGE TWO-COMPONENT MOLDED PARTS COMPRISING TALCUM - The invention relates to ductile and low-warpage, that is to say dimensionally stable, two-component molded parts which are stress cracking-resistant with respect to the influence of chemicals. | 04-26-2012 |
| 20120099187 | WEATHER-RESISTANT MULTILAYER SYSTEMS - The invention relates to a multilayer product comprising a first layer (A), a second layer (B), a third layer (C), and a fourth layer (D). The first layer (A) is a scratch-resistant protective layer having a minimum extinction of 0.3 at 340 nm, the second layer (B) is an alkyl acrylate layer having a minimum extinction of 2 at 340 nm, and the third layer (C) and the fourth layer (D) contain a UV-stabilized polycarbonate. The invention also relates to a method for manufacturing the multilayer product. | 04-26-2012 |
| 20120095164 | CROSSLINKABLE POLYURETHANE DISPERSIONS - The invention relates to novel aqueous, crosslinkable polyurethane dispersions based on terephthalic acid polyesters, the production thereof and their use in combination with hydroxy-functional reactants for the production of lacquers, coatings and sizes which are distinguished especially by high film hardness together with high elasticity and very good adhesion. | 04-19-2012 |
| 20120095122 | POLYURETHANE MICROCELLULAR ELASTOMER, METHOD FOR PREPARING SAME AND USE THEREOF - The present invention relates to polyurethane, and specifically relates to a polyurethane microcellular elastomer, a method for preparing the same, and the use thereof. The polyurethane microcellular elastomer is the reaction product of (1) an isocyanate-terminated prepolymer obtained by reacting an isocyanate with a first polyol, (2) a second polyol, (3) a chain extender and (4) a catalyst, wherein the first polyol and/or second polyol comprise at least one polycarbonate polyol obtained by reacting carbon dioxide with an alkene oxide. This method of preparing polyurethane microcellular elastomer can not only reduce the demand for raw materials derived from petrochemicals, but also realize the utilization of the “greenhouse gas” carbon dioxide. | 04-19-2012 |
| 20120094127 | UV ABSORBERS SOLUBLE IN POLAR MEDIA - The invention relates to triazine-based special organic UV absorbers modified in such a way as to be soluble in polar coating compositions. The invention further relates to coatings, e.g. sol-gel based ones, containing said novel UV absorbers as well as to the use of said coatings for permanently protecting materials, especially plastics, from photochemical degradation. | 04-19-2012 |
| 20120085151 | METHOD AND APPARATUS FOR CHARACTERIZING POLYMERS - The present invention relates to a method for automatically determining the relative solution viscosity and/or the melt volume flow rate of a polymer, during a phase of the process for producing the polymer, where the polymer is in a solution with 10 to 20% by weight of the polymer in an organic solvent. The method includes continuously removing a substream of the polymer solution from a component of the process for producing the polymer, wherein the polymer solution is essentially free from inorganic salts; removing a sample having a volume of from 1 to 10 μl from the substream; introducing the sample into a gel permeation chromatography apparatus and determining the gel permeation chromatography data for the polymer; and automatically determining the relative solution viscosity and/or the melt volume flow rate of the polymer from the data obtained from the gel permeation chromatogram, on the basis of calibration relationships. | 04-12-2012 |
| 20120083537 | TCD BASED HYDROPHILIC POLYURETHANE DISPERSIONS - The present invention relates to a polyurethaneurea solution having a polyurethaneurea having a structural unit of the formula (I) | 04-05-2012 |
| 20120082906 | PROCESS FOR PRODUCING TRANSPORT- AND STORAGE-STABLE OXYGEN-CONSUMING ELECTRODES - The present invention relates to A process for producing a transport- and storage-stable sheet-like oxygen-consuming electrode comprising providing an electrically conductive support, a gas diffusion layer, and a layer comprising a silver-based catalyst; coating the support with a silver oxide-containing intermediate; and at least partly electrochemically reducing the silver oxide-containing intermediate in an aqueous electrolyte at a pH of less than 8. | 04-05-2012 |
| 20120074617 | FLAME-RETARDANT IMPACT-MODIFIED BATTERY BOXES BASED ON POLYCARBONATE I - Battery box comprising compositions containing A) 70.0 to 90.0 parts by weight of linear and/or branched aromatic polycarbonate and/or aromatic polyester carbonate, B) 6.0 to 15.0 parts by weight of at least one graft polymer, C) 2.0 to 15.0 parts by weight of one or more phosphorus compounds, D) 0 to 3.0 parts by weight of antidripping agents, E) 0 to 3.0 parts by weight of thermoplastic vinyl (co)polymer (E.1) and/or polyalkylene terephthalate (E.2), and F) 0 to 20.0 parts by weight of further additives, wherein the compositions are optionally free from rubber-free polyalkyl(alkyl)acrylate. | 03-29-2012 |
| 20120074036 | FLAME-RETARDANT IMPACT-MODIFIED BATTERY BOXES BASED ON POLYCARBONATE II - The present invention relates to battery boxes comprising flame-retardant compositions comprising A) linear and/or branched aromatic polycarbonate and/or aromatic polyester carbonate, B) at least one graft polymer, C) one or more phosphorus compounds, D) optionally one or more antidripping agents, optionally E) thermoplastic vinyl (co)polymer (E.1) and/or polyalkylene terephthalate (E.2), and F) optionally one or more further additives, wherein the composition is preferably free from rubber-free polyalkyl(alkyl)acrylate. | 03-29-2012 |
| 20120068572 | METHOD FOR PRODUCING OF AN ELECTROMECHANICAL TRANSDUCER - The present invention relates to a method for producing an electromechanical, for example piezoelectric, transducer in which a first polymer layer comprising cutouts is applied to a first continuous polymer layer by means of a printing and/or coating method, a cover is applied to the first polymer layer comprising cutouts in such a way that the cutouts of the first polymer layer comprising cutouts are closed off with the formation of cavities, and the cover is connected to the first polymer layer comprising cutouts. The invention also relates to electromechanical transducers produced by the method according to the invention, and the use of said electromechanical transducers. | 03-22-2012 |
| 20120065354 | SUBSTRATE MATERIAL FOR HIGH SPEED OPTICAL DISCS - This invention relates to the use of polycarbonate for the production of an optical recording medium in which secure high speed operation, a transcriptability of the pit/groove structure of >85% and sufficient disc flatness can be achieved. | 03-15-2012 |
| 20120059118 | TWO-PACK POLYURETHANE PAINT FOR BACKING FILMS - The invention relates to a two-pack polyurethane paint for a backing film, a method for the production thereof and use thereof for application to moulded plastic parts. | 03-08-2012 |
| 20120041226 | WATER VAPOUR ASSISTED OZONOLYSIS OF CARBON NANOTUBES - The present invention relates to an improved process of ozonolysis of carbon nanotubes assisted by water vapour. The improved methodology provides an eco-friendly, cheaper, practical and efficient approach to functionalize carbon nanotubes with oxygen-containing moieties for further chemical functionalization and composite dispersion. | 02-16-2012 |
| 20120041223 | PROCESS FOR PREPARING AROMATIC CARBAMATES - The invention is directed to a process for preparing aromatic carbamates which comprises the reaction of an aromatic amine with an organic carbonate in the presence of a catalyst characterized in that Zn | 02-16-2012 |
| 20120041145 | AQUEOUS COATING SYSTEMS BASED ON PHYSICALLY DRYING URETHANE ACRYLATES - The invention relates to radiation curable coating systems on the basis of aqueous polyurethane dispersions, to a method for the production thereof, to the use of the coating systems as paints and/or adhesives, and to objects and substrates provided with said paints and/or adhesives. | 02-16-2012 |
| 20120041131 | TIN-FREE AQUEOUS POLYURETHANE DISPERSIONS - The present invention relates to radiation-curable coating compositions based on tin-free aqueous polyurethane dispersions based on polyurethane acrylates (i), characterized in that the polyurethane acrylate (i) comprises as builder components | 02-16-2012 |
| 20120035391 | PROCESS FOR THE PREPARATION OF POLYISOCYANATES AND USE THEREOF - The invention relates to a process for isocyanate modification which includes reacting a) at least one organic isocyanate having an NCO functionality greater than or equal to 1, b) a catalyst comprising at least one phosphonium salt comprising at least one cycloalkyl substituent bonded directly to a P atom of a phosphonium cation, c) optionally a solvent, and d) optionally additives. The present invention also relates to a catalyst for isocyanate modification comprising at least one phosphonium salt comprising at least one cycloalkyl substituent bonded directly to a P atom of a phosphonium cation. | 02-09-2012 |
| 20120029162 | CARBON NANOTUBES COMPRISING HYDROXY GROUPS, METHOD FOR THE PRODUCTION THEREOF AND POLYURETHANE POLYMERS COMPRISING SAID CARBON NANOTUBES - The invention relates to carbon nanotubes comprising hydroxy groups, wherein the surface thereof comprises hydroxy alkyl ester groups covalently bound thereon, chosen from the group according to the general formula (1) and/or the general formula (2), wherein (CNT) stands for the surface of the carbon nanotube and R1 and R2 are independently from each other hydrocarbon, an alkyl radical or an aryl radical. The invention further relates to a method for the production thereof by means of reaction of carbon acid groups of the carbon nanotubes with an epoxy, furthermore a polyurethane polymer, wherein said carbon nanotubes are covalently bound, a method for producing a polymer of said kind and use of the carbon nanotubes for producing polymers. | 02-02-2012 |
| 20120022204 | (CO)POLYCARBONATES WITH IMPROVED OPTICAL PROPERTIES - The invention relates to (co)polycarbonate compositions and molding compositions which feature improved optical properties, good flowability, and high heat resistance. | 01-26-2012 |
| 20120021302 | OXYGEN-CONSUMING ELECTRODE - The present invention relates to an oxygen-consuming electrode comprising at least one support structure having a surface and a gas diffusion coating having a catalytically active component disposed on the surface. The coating contains at least one fluorine-containing polymer, a silver compound, selected from the group consisting of silver particles, reducible silver compounds, and mixtures thereof, and a hydrophilic caustic alkali-resistant filler which is electrically nonconductive or has a poor electrical conductivity and has an average particle diameter from 5 to 200 μm. | 01-26-2012 |
| 20120010433 | DEVICE AND PROCESS FOR SOLID/LIQUID SEPARATION OF SOLID-LIQUID SUSPENSIONS - In a device and a process for continuous solid/liquid separation (filtration) of solid-liquid suspensions on moving filters, for example on rotating drum filters or belt filters, the active filtering layer contains a woven fabric material composed of synthetic fibres, which has an enhanced filtrate permeability and also an enhanced thermal stability with improved dimensional stability, and also improved mechanical strength compared with polypropylene fibres. | 01-12-2012 |
| 20120010316 | UV-CURABLE, WEAR RESISTANT AND ANTISTATIC COATING FILLED WITH CARBON NANOTUBES - A methodology is provided for making UV-curable, wear resistant and antistatic coating filled with carbon nanotubes (CNTs). The composition consists of a mixture of CNTs, an acrylate-based monomer, a urethane-acrylate oligomer and a photoinitiator. The present invention provides a coating of which the wear resistance and antistatic properties are dramatically improved in comparison with the polymer substrate. This coating is suitable for protecting a variety of polymer substrates from scratch and electrostatic accumulation. | 01-12-2012 |
| 20120007270 | THERMOPLASTIC POLYURETHANES AND THEIR USE - This invention concerns thermoplastic polyurethane mouldings with improved surface resistance (resistance to writing and scratching) and very good technical processability as well as their use. | 01-12-2012 |
| 20120004375 | COPOLYCARBONATES WITH IMPROVED PROPERTIES - The present invention relates to copolycarbonates with improved surface hardness, processes for producing the same, and use of the same for producing blends, moldings, and extrudates, foil (layers), foil laminates, and cards. | 01-05-2012 |
| 20120001413 | LAYER STRUCTURE AND FILMS FOR ID DOCUMENTS HAVING IMPROVED PROPERTIES FOR LASER ENGRAVING - The present invention relates to a layer structure having improved properties for laser engraving, to particular embodiments of said layer structures in the form of co-extrusion films, and to security documents, preferably identification documents comprising said layer structures. | 01-05-2012 |
| 20120000603 | ADHESIVE - The invention relates to the use of special isocyanate-terminated polyurethane prepolymers in adhesive formulations. Said adhesive formulations can be used in applications wherein a direct or indirect contact of the adhesive layer takes place with substrates that are sensitive thereto. | 01-05-2012 |
| 20110318567 | ANTI-REFLECTION/ANTI-FOG COATINGS - The invention relates to a composition, comprising a) porous silica nanoparticles, b) one or more organic soluble polymer resins, c) one or more UV-cross linkable reactive diluents, d) solvents and e) a UV-initiator system. The invention further relates to the use of the composition for coating transparent substrates, and to substrates that are coated with formulations of said kind. | 12-29-2011 |
| 20110311906 | PHOTOPOLYMER COMPOSITIONS AS PRINTABLE FORMULATIONS - The invention relates to applying novel photo polymers based on special urethane acrylates as writing monomers in printing methods which are suitable for producing holographic media, in particular for the visual display of images. | 12-22-2011 |
| 20110311905 | METHOD FOR PRODUCING HOLOGRAPHIC PHOTOPOLYMERS ON POLYMER FILMS - The invention relates to a method for producing novel photopolymers on the basis of prepolymer-based polyurethane compositions that are suitable for producing holographic media, in particular for the visual display of images. | 12-22-2011 |
| 20110311903 | GAS DIFFUSION ELECTRODE AND PROCESS FOR PRODUCTION THEREOF - The present invention relates to a gas diffusion electrode that includes an electrically conductive carrier, and a porous coating based on an electrochemically active catalyst and a hydrophobic material, wherein the electrode has a first side facing an oxygen-containing gas and a second side facing an alkaline electrolyte, wherein the catalyst comprises a noble metal as a catalytically active component, wherein the hydrophobic material comprises a hydrophobic polymer, and wherein the coating comprising the catalyst has a pore volume from 10 to 500 mm | 12-22-2011 |
| 20110309033 | METHOD FOR TREATING WASTEWATERS - The invention relates to a method for treating wastewater containing nitroaromatics and nitrohydroxyaromatics, as for example arises in the production of nitroaromatics or in the production of nitrohydroxyaromatics, by a two-stage method consisting of pre-reduction and wet oxidation. | 12-22-2011 |
| 20110308939 | ELECTRODE FOR ELECTROLYTIC PRODUCTION OF CHLORINE - The present invention relates to an electrode that includes an electrically conducting substrate based on a valve metal having a main proportion of titanium, tantalum or niobium, and an electrocatalytically active coating comprising up to 50 mol % of a noble metal oxide or noble metal oxide mixture and at least 50 mol % of titanium oxide. The coating includes a minimum proportion of oxides of anatase structure determined by a ratio of the signal height of the most intensive anatase reflection in an x-ray diffractogram (Cu | 12-22-2011 |
| 20110306734 | THERMOPLASTICALLY PROCESSABLE POLYURETHANES BASED ON SUCCINIC ACID PROPIONATES - The present invention relates to a thermoplastically processable polyurethane elastomer having a hardness of 50 Shore A to 70 Shore D (ISO 868), which are obtained from reacting components comprising a) one or more linear polyester diols having a functionality from 1.8 to 2.2, wherein the one or more linear polyester diols comprise succinic acid 1,3-propionate and have an average molecular weight from 1,950 to 4,000 g/mol. b) one or more organic diisocyanates, and c) one or more diols having a molecular weight from 60 to 350 g/mol, wherein the components have a molar NCO:OH ratio of from 0.9:1 to 1.1:1. | 12-15-2011 |
| 20110306727 | AQUEOUS POLYMER DISPERSION - The present invention relates to aqueous polymer dispersions having a core-shell structure, to a method for the production thereof and to the use thereof as a coating agent. | 12-15-2011 |
| 20110300325 | DISC SHAPED HIGH DENSITY RECORDING MEDIUM - This invention relates to an optical recording medium in which at least a recording layer and a light transmitting layer are sequentially formed on a substrate and in which the light is illuminated from the light transmitting layer side for recording and/or reproducing information signals, said substrate comprising an injection molded part, and said substrate having a Young's modulus E of at least 2.15 GPa and a Q factor of lower than 160 measured at 25° C. at 2000 Hz in accordance to ASTM E 756-05 05 and a transcriptability of the pit/groove structure of >85%. | 12-08-2011 |
| 20110298335 | ELECTROMECHANICAL TRANSDUCER HAVING A POLYISOCYANATE-BASED POLYMER ELEMENT - The present invention relates to an electromechanical transducer, in particular an electromechanical sensor, actuator and/or generator, which exhibits a polymer element that is obtainable from a reaction mixture comprising a polyisocyanate or a polyisocyanate prepolymer or a mixture thereof and a compound with at least two isocyanate-reactive amino groups. Moreover, the present invention relates to a process for producing an electromechanical transducer of such a type and also to the use of a polymer element of such a type as an electromechanical element. Furthermore, the present invention relates to an electronic and/or electrical apparatus that includes an electromechanical transducer according to the invention, and also to the use of an electromechanical transducer according to the invention in an electronic and/or electrical apparatus. | 12-08-2011 |
| 20110294911 | POLYURETHANE SURFACTANT STABILIZED POLYURETHANE FOAMS - The invention relates to the production of hydrophilized polyurethane foams, especially for wound treatment, wherein a composition containing a polymer and special polyurethane-based stabilizers is expanded and dried. | 12-01-2011 |
| 20110293921 | POLYMER COMPOSITION HAVING HEAT-ABSORBING PROPERTIES AND IMPROVED COLOUR PROPERTIES - An embodiment of the present invention relates to a composition comprising a) at least one transparent thermoplastic material; b) at least one inorganic IR absorber comprising at least one boride compound present in an amount of from 0.0015 wt. % to 0.015 wt. %, calculated as solids content of boride in the total polymer composition; and c) at least one inorganic, nano-scale pigment present in an amount of from 0.0008 wt. % to 0.0035 wt. %, based on the total composition; and d) optionally further additives. | 12-01-2011 |
| 20110293915 | HIGH-PRESSURE DEVICE - The invention relates to a high-pressure device for application of an expandable reaction mixture on a surface, to a method for producing expandable foams, to a device for producing sandwich composite elements, and to a method for producing expanded sandwich composite elements. The high-pressure device includes a mixing head, a distributor head fluidically connected downstream of the mixing head, at least three outlet lines attached to the distributor head, a high-pressure feed line of a component A to the mixing head, a high pressure feed line of a component B to the mixing head, at least one static mixer for mixing an inert gas to the component A, the component B or a mixture of components A and B, at least one high-pressure feed line for the inert gas, which is under increased pressure, and at least one measurement and control unit for the desired pressure of the components on the mixing head. | 12-01-2011 |
| 20110293912 | MULTI-LAYER FILM COMPOSITE HAVING A POLYCARBONATE LAYER - The invention relates to a multi-layer film composite having at least one layer made of polycarbonate or copolycarbonate, characterized in that the polycarbonate or copolycarbonate comprises at least one additive of the general formulas (1) to (8), R1 are selected independently of each other from the group made of C10-C25-alkyl, C10-C25-alkoxy, and C10-C25-alkyl-substituted aryl, R2 are selected independently of each other from the group of C10-C25-alkylcarbonyl or hydrogen, and R3 are selected independently of each other from the group of C10-C25-alkyl. | 12-01-2011 |
| 20110292502 | POLYMER COMPOSITION HAVING HEAT-ABSORBING PROPERTIES AND IMPROVED COLOUR PROPERTIES - The present invention relates to a polymer composition which absorbs infrared (IR) radiation, containing a transparent thermoplastic plastic, an inorganic infrared absorber and at least one inorganic nano-scale pigment, and to the preparation and use of the polymer compositions according to the invention, and to products produced therefrom. In particular, the present invention relates to polymer compositions comprising
| 12-01-2011 |
| 20110285247 | ELECTROACTIVE POLYMER TRANSDUCERS FOR SENSORY FEEDBACK APPLICATIONS - Electroactive polymer transducers for sensory feedback applications are disclosed. | 11-24-2011 |
| 20110281998 | POLYURETHANE-POLYUREA DISPERSIONS BASED ON POLYCARBONATE-POLYOLS - The invention relates to new, hydrolysis-stable, aqueous polyurethane-polyurea dispersions based on polycarbonate-polyols, to a process for preparing them and to their use in coating materials. | 11-17-2011 |
| 20110281071 | PROCESS FOR INCORPORATING CARBON PARTICLES INTO A POLYURETHANE SURFACE LAYER - The invention relates to a method for introducing electrically conductive carbon particles into a surface layer comprising polyurethane. These carbon particles can in particular be carbon nanotubes. In the method according to the invention, a solution of non-aggregated carbon particles having a mean particle diameter of from 0.3 nm to 3000 nm acts in a solvent upon a surface layer comprising polyurethane. The solvent is able to cause the maceration of a surface layer comprising polyurethane. The dwell time is measured such that it is not sufficient to carry the polyurethane over into the solution. The invention furthermore relates to a polyurethane layer that comprises electrically conductive carbon particles and can be obtained by means of a method according to the invention. The invention likewise relates to a polyurethane object having surface layer comprising electrically conductive carbon particles, obtainable by a method according to the invention. | 11-17-2011 |
| 20110278769 | MOULD AND METHOD FOR PRODUCING MULTI-LAYER SHAPED PARTS OF PLASTIC - The invention relates to a mould for producing multilayer plastics mouldings composed of at least two mould halves and of a cavity within which plastic is received, and of a feed system with a feed channel, and also to a process for producing multilayer plastics mouldings. | 11-17-2011 |
| 20110278614 | LIGHT EMITTING DEVICE, AND METHOD FOR THE PRODUCTION THEREOF - The present invention relates to a composition of plastic material that includes from 7 to 20 wt. % inorganic conversion pigments. The pigments include Si, Sr, Ba, Ca and Eu in concentrations of greater than 0 ppm and Al, Co, Fe, Mg, Mo, Na, Ni, Pd, P, Rh, Sb, Ti and Zr in concentrations of less than or equal to 50 ppm | 11-17-2011 |
| 20110278174 | PROCESS FOR PREPARING DIARYL CARBONATES AND POLYCARBONATES - The present invention relates to a process for the continuous preparation of diaryl carbonates from phosgene and at least one monohydroxy compound (monophenol) in the presence of catalysts, and also the use thereof for preparing polycarbonates. The hydrogen chloride formed in the reaction is converted by electrochemical oxidation into chlorine, with the chlorine being recirculated to the preparation of phosgene. In particular, the process comprises utilization of the hydrogen chloride formed for the process for preparing diphenyl carbonate (DPC process). | 11-17-2011 |
| 20110275802 | METHOD FOR MODIFYING DIISOCYANATES - The present invention relates to a process for modifying diisocyanates for preparing polyisocyanates, where the diisocyanate is reacted using a catalyst, wherein the diisocyanate used is obtained by quenching a gaseous reaction mixture in the phosgenation of diamines in the gas phase, wherein the gaseous reaction mixture comprises at least a diisocyanate, phosgene and hydrogen chloride, wherein a quenching liquid is sprayed into the gas mixture which flows continuously from a reaction zone into a downstream quenching zone, and wherein the quenching liquid is sprayed in by at least two spray nozzles which are arranged at the inlet of the quenching zone at equal intervals along the circumference of the quenching zone. | 11-10-2011 |
| 20110275757 | POLYURETHANE-BASED SURFACTANTS - The present invention relates to novel, high molecular weight surfactants based on polyurethanes for use in coatings, adhesives or sealants, for example. | 11-10-2011 |
| 20110275728 | DISPERSED TWO-COMPONENT POLYURETHANE FOAMS - The invention relates to a method for the production of polyurethane foams, wherein a composition containing an anionic and a cationic polyurethane dispersion is expanded and dried. | 11-10-2011 |
| 20110274883 | LATENT-REACTIVELY GLUED TPU/PC LAYER MATERIALS - The invention relates to a security and/or valuable document ( | 11-10-2011 |
| 20110272647 | STABILIZER COMBINATIONS - The present invention relates to a stabilizer combination for stabilizing IR absorbers, comprising a) at least one stabilizer based on phosphine, b) at least one stabilizer based on phosphite, and c) at least one phenolic antioxidant stabilizer. | 11-10-2011 |
| 20110272646 | POLYMER COMPOSITIONS WITH HEAT-ABSORBING PROPERTIES AND A HIGH STABILITY - The present invention relates to a composition comprising at least one transparent thermoplastic material; at least one inorganic IR absorber which comprises a zinc-doped caesium tungstate; and optionally at least one stabilizer which is based on phosphine. The present invention also relates to a composition which comprises a thermoplastic polymer material, an inorganic IR absorber, at least one phosphine stabilizer, at least one phosphite stabilizer, and at least one phenolic antioxidant stabilizer. | 11-10-2011 |
| 20110263766 | EASY-FLOWING POLYCARBONATE/ABS MOULDING COMPOSITIONS WITH GOOD MECHANICAL PROPERTIES AND A GOOD SURFACE - The present invention relates to flame-resistant moulding compositions of polycarbonates and graft polymers which, in addition to good flow properties, have very good mechanical properties and a particularly good, trouble-free surface. These moulding compositions are suitable in particular for injection moulding uses for mouldings with thin wall thicknesses and high-gloss surfaces. The thermoplastic moulding compositions according to the invention comprise A) 65.0 to 82.0 parts by wt. of at least one aromatic polycarbonate, B) 4.0 to 11.0 parts by wt. of at least one graft polymer, C) 14.0 to 24.0 parts by wt. of at least one phosphorus-containing flameproofing agent, wherein the sum of the parts by weight of components A to C adds up to 100 parts by weight and the total content of the polymer which is formed from the grafting monomers or is added in the free form and is not bonded chemically to the graft base is less than 2.0 wt. %, based on the total moulding composition. | 10-27-2011 |
| 20110262703 | PROCESS FOR PRODUCING A COMPOSITE COMPONENT FROM PLASTIC, COMPOSITE COMPONENT PRODUCED BY THIS PROCESS AND USE OF SUCH A COMPONENT - The invention relates to a process for producing a composite component, with the following steps: separate producing a decorative composite made of at least one backing layer and of at least one colorant layer, separate producing a structural composite made of at least one outer layer and of at least one spacer confected thereto, introducing a connecting layer between decorative composite and structural composite, and joining of the structural composite and of the decorative composite together with hardening of the connecting layer. | 10-27-2011 |
| 20110256383 | POLYMER MATERIAL COMPRISING A POLYMER AND SILVER NANOPARTICLES DISPERSED HEREIN - A polymer material according to the invention comprises a polymer and silver nanoparticles dispersed in the polymer. The silver nanoparticles may be obtained by reducing a silver salt in a dispersing agent in the presence of a dispersion stabilizer with a reducing agent, the dispersion stabilizer being selected from the group consisting of carboxylic acids having ≧1 to ≦6 carbon atoms, salts of carboxylic acids having ≧1 to ≦6 carbon atoms, sulfates and phosphates. Such a material is particularly suitable for use as an electrode. The invention furthermore relates to a method for producing such a polymer material and to a polymer laminar composite including a polymer substrate and a polymer material according to the invention | 10-20-2011 |
| 20110251438 | PURIFICATION OF TRIS-HYDROXYARYL COMPOUNDS - The present invention is directed to a composition comprising a tris-hydroxyaryl compound having a metal ion impurity content of less than 10 ppm and to a process for the purification of tris-hydroxyaryl compound having a metal ion impurity, comprising at least the following steps:
| 10-13-2011 |
| 20110251316 | FLAME RETARDANT POLYCARBONATE COMPOSITIONS - The present invention relates to impact-modified polylactic acid/polycarbonate compositions, containing
| 10-13-2011 |
| 20110251309 | BRANCHED MELT POLYCARBONATE WITH LOW CONTENT OF DEFECTIVE STRUCTURES - The present invention relates to an aromatic branched polycarbonate, produced via melt transesterification of a bisphenol with a diaryl carbonate in the presence of a branching agent, wherein the aromatic branched polycarbonate comprises branching point structures and structures of formula (D) | 10-13-2011 |
| 20110245527 | PROCESS FOR PREPARING DIARYL CARBONATES AND POLYCARBONATES - The present invention relates to a process for the continuous preparation of diaryl carbonates from phosgene and at least one monohydroxy compound (monophenol) in the presence of catalysts, and also the use thereof for preparing polycarbonates. The hydrogen chloride formed in the reaction is converted by thermal oxidation into chlorine, with the chlorine being recirculated to the preparation of phosgene. In particular, the process comprises utilization of the hydrogen chloride formed for the process for preparing diphenyl carbonate (DPC process). | 10-06-2011 |
| 20110245351 | MEDICAL ADHESIVE FOR SURGERY - The invention relates to novel rapidly-curing adhesives made from hydrophilic polyisocyanate prepolymers for application in surgery. | 10-06-2011 |
| 20110244228 | CURABLE POLYURETHANE DISPERSIONS - The present invention relates to an aqueous polyurethane or polyurethane-urea dispersion comprising a polyurethane or a polyurethane polyurea dispersed therein, wherein the polyurethane or polyurethane polyurea comprises terminal carboxyl groups and lateral sulfonate and/or carboxylate groups. | 10-06-2011 |
| 20110241248 | MULTI-LAYERED FIRE-RESISTANT PLASTIC MATERIAL - The present invention relates to a multi-layered plastic material, a process for the preparation thereof, and the use thereof. A multi-layered plastic material having a bending modulus of elasticity of >250 N/mm | 10-06-2011 |
| 20110237819 | PROCESS FOR PREPARING DIALKYL CARBONATES - The present invention relates to a continuous process for preparing lower dialkyl carbonates as main product and alkylene glycol as by-product by transesterification of a cyclic alkylene carbonate (e.g. ethylene carbonate or propylene carbonate) with lower alkyl alcohols in the presence of a catalyst and also the required purification of the dialkyl carbonate in a subsequent process step. To optimize the economics and energy efficiency of the process, additional devices are used for intermediate heating of the liquid streams in the apparatus. | 09-29-2011 |
| 20110237697 | PROCESS FOR THE PRODUCTION OF POLYESTER POLYOLS WITH LOW VOLUMES OF DIOXANE WASTE - The invention relates to the production and use of polyester polyols, formed from at least one carboxylic acid hydride and ethylene glycol, wherein a specialized reaction control stustantially suppresses the formation of | 09-29-2011 |
| 20110237696 | FORMULATIONS BASED ON ANIONICALLY STABILISED, AQUEOUS POLYMER DISPERSIONS - Formulations based on anionically stabilised aqueous polymer dispersions, containing polychloroprene, to which carbon dioxide (CO | 09-29-2011 |
| 20110236803 | PHOTOPOLYMER FORMULATION FOR PRODUCING VISIBLE HOLOGRAMS - The present invention relates to a photopolymer formulation containing chemically crosslinked matrix polymers, writing monomers and a photoinitiator system, wherein the photoinitiator system contains a HABI, a dye attuned to the HABI and having an absorption maximum in the range of 400-800 nm and a hydrogen donor. The present invention further relates to a process for producing exposed holographic media with the above photopolymer formulation. | 09-29-2011 |
| 20110236690 | Polymer laminar composite having improved layer adhesion - The present invention provides a polymer laminar composite including a first layer and a second layer at least partially in contact with the first layer. The first layer includes a polyurethane polymer which is the reaction product of a polyisocyanate A) and/or a polyisocyanate prepolymer B) with an at least difunctional, isocyanate-group-reactive compound C) and a monomeric, monofunctional aromatic alcohol. The second layer includes polymeric thiophene of the formula (I), substituted at the 3 and/or 4 position: | 09-29-2011 |
| 20110236667 | POLYURETHANE-MODIFIED ALKYD RESIN DISPERSIONS - The invention relates to new aqueous polyurethane-modified alkyd resin dispersions, to their preparation and use as binders in paints and coatings. | 09-29-2011 |
| 20110236641 | GLUED COMPOSITE PLASTIC PART, METHOD FOR THE PRODUCTION THEREOF, AND PART MADE THEREFROM - The invention relates to a composite plastic part consisting of a plastic part ( | 09-29-2011 |
| 20110234056 | FERROELETRET MULTILAYER COMPOSITE AND METHOD FOR PRODUCING A FERROELECTRET MULTILAYER COMPOSITE WITH PARALLEL TUBULAR CHANNELS - The present invention relates to a ferroelectret multi-layer composite ( | 09-29-2011 |
| 20110233818 | METHOD FOR EXTRUDING PLASTIC MATERIALS - The invention relates to a process for extruding plastic compositions, in particular polymer melts and mixtures of polymer melts, above all thermoplastics and elastomers, particularly preferably polycarbonate and polycarbonate blends, also with the incorporation of other substances such as for example solids, liquids, gases or other polymers or other polymer blends with improved optical characteristics, with the assistance of a multi-screw extruder with specific screw geometries. | 09-29-2011 |
| 20110230626 | COPOLYCARBONATES HAVING IMPROVED SURFACE HARDINESS - The present invention relates to copolycarbonates having improved surface hardness, processes for the preparation thereof and the use thereof for the production of blends, shaped articles and extrudates. | 09-22-2011 |
| 20110230595 | PROCESS FOR THE PRODUCTION OF IMPACT-MODIFIED POLYALKYLENE TEREPHTHALATE/POLYCARBONATE COMPOSITIONS - A process for the production of impact-modified composition that contains polyalkylene terephthalate and polycarbonate resins is disclosed. The process includes (i) in a first step combining in the melt at 90 to 175° C. glycidyl ester with at least one member selected from the first group consisting of polyalkylene terephthalate and polycarbonate to obtain a molten mixture, said member in powder form, and (ii) in a subsequent step combining the molten mixture with at least one component selected from the second group consisting of polyalkylene terephthalate and polycarbonate to obtain a composition. The composition is characterized in high gloss value. | 09-22-2011 |
| 20110230581 | PROCESS FOR THE PRODUCTION OF POLYETHER POLYOLS WITH A HIGH ETHYLENE OXIDE CONTENT - Polyether polyols with an OH number of from 15 to 120 mg of KOH/g are produced by (i) introducing a mixture of DMC catalyst and a poly(oxyalkylene)polyol or a mixture of DMC catalyst and a polyether polyol (“heel”) obtainable by the process according to the invention is initially into a reactor and (ii) continuously introducing one (or more) low molecular weight starter compound(s) with a (mixed) hydroxyl functionality of from 2.2 to 6.0 and a mixture composed of a) 73 to 80 parts by weight (per 100 parts by weight of a) plus b)) of ethylene oxide and b) 27 to 20 parts by weight (per 100 parts by weight of a) plus b)) of at least one substituted alkylene oxide corresponding to a specified formula into the mixture from step (i). These polyether polyols are particularly useful for the production of flexible polyurethane foams. | 09-22-2011 |
| 20110229645 | LOW TEMPERATURE CURING POLYURETDIONE COMPOSITIONS - Composition and process for low temperature curing of polyuretdione-polyol compositions in which the polyuretdione is prepared from a polyisocyanate with isocyanate groups and a polyol containing primary hydroxyl groups. The catalyst for the composition and process is an amine catalyst containing the group —N═C—N—, being aprotic, having a pKa greater than 20 and upon addition to the liquid coating composition causing a phase-change of the coating composition from liquid to solid at 25° C. and 1 atm. within one week. | 09-22-2011 |
| 20110224357 | CARBON NANOTUBES AND ORGANIC MEDIA CONTAINING MICROGELS - The invention relates to a composition containing at least one microgel, at least one carbon nanotube and at least one organic medium. Said organic medium can be cross-linked or non cross-linked. | 09-15-2011 |
| 20110223322 | PRODUCTION OF CONDUCTIVE SURFACE COATINGS USING A DISPERSION CONTAINING ELECTROSTATICALLY STABILISED SILVER NANOPARTICLES - The present invention relates to a process which comprises: providing a substrate having a surface; applying a dispersion to the surface, wherein the dispersion comprises at least one liquid dispersant, and electrostatically stabilised silver nanoparticles having a zeta potential of from −20 to −55 mV in the dispersant at a pH value of from 2 to 10; and heating one or both of the surface and the dispersion applied thereon to a temperature of from 50° C. below the boiling point of the dispersant to 150° C. above the boiling point of the dispersant, to form a conductive coating on the surface. | 09-15-2011 |
| 20110215499 | EXTRUSION NOZZLE FOR POLYMERS - The invention relates to an improved die for the extrusion of melt strands of viscoelastic masses, and in particular to polymers and mixtures of polymers with other substances (such as solids, liquids or other polymers), where the use thereof avoids the formation of deposits in the region of the die. | 09-08-2011 |
| 20110213051 | Use Of Mixtures In The Preparation Of Impact-Modified Thermoplastic Compositions - The present invention relates to the use, in a compounding process for the preparation of pigmented impact-modified thermoplastic polymer compositions, of a mixture comprising
| 09-01-2011 |
| 20110209337 | ELECTROACTIVE POLYMER PRE-STRAIN - The present invention provides electroactive polymers, transducers and devices that maintain pre-strain in one or more portions of an electroactive polymer. Electroactive polymers described herein may include a pre-strained portion and a stiffened portion configured to maintain pre-strain in the pre-strained portion. One fabrication technique applies pre-strain to a partially cured electroactive polymer. The partially cured polymer is then further cured to stiffen and maintain the pre-strain. In another fabrication technique, a support layer is coupled to the polymer that maintains pre-strain in a portion of an electroactive polymer. Another embodiment of the invention cures a polymer precursor to maintain pre-strain in an electroactive polymer. | 09-01-2011 |
| 20110207927 | 1,4,2-DIAZAPHOSPHOLIDINE DERIVATIVES - The present invention relates to novel 1,4,2-diazaphospholidine derivatives, to a process for preparation thereof and to use as catalysts. | 08-25-2011 |
| 20110207029 | MEDIA FOR VOLUME-HOLOGRAPHIC RECORDING BASED ON SELF-DEVELOPING POLYMER - The present invention relates to novel self-developing films for incorporation of volume holograms by exposure, a method for production thereof and the use thereof. | 08-25-2011 |
| 20110206568 | PROCESS FOR THE PREPARATION OF DIARYL CARBONATES OR ARYLALKYL CARBONATES FROM DIALKYL CARBONATES - The invention provides a process for the preparation of diaryl carbonates and/or alkylaryl carbonates from dialkyl carbonates and aromatic hydroxy compounds using one or more intermediate condensers for improving heat integration. | 08-25-2011 |
| 20110204296 | METHOD FOR PRODUCING COMPOSITE MATERIALS HAVING REDUCED RESISTANCE AND COMPRISING CARBON NANOTUBES - The present invention relates to a process for producing a composite having a reduced electrical resistance which comprises providing a mixture comprising a fluid material and carbon nanotubes (CNTs) having a predeterminable size distribution, and subjecting the mixture to a minimum stress in a dispersing machine, wherein the minimum stress is determined empirically as a function of the predetermined size distribution. | 08-25-2011 |
| 20110201715 | Method For Producing Shaped Polyurethane Foam Wound Dressings - The invention relates to a process for producing shaped articles, where a foam layer which includes a polyurethane foam obtained by foaming a composition including an aqueous, anionically hydrophilicized polyurethane dispersion (I), and drying, is thermoformed where the thermoforming takes place at a temperature of from ≧100° C. to ≦200° C. and under a pressure of from ≧50 bar to ≦150 bar, and where additionally during the thermoforming the foam is compressed to ≧25% to ≦100% of its original volume. The foam can be stabilized using ethylene oxide/propylene oxide block copolymers. The invention further relates to shape articles obtainable in this way, and to the use thereof, preferably as wound dressings. | 08-18-2011 |
| 20110198852 | ENERGY CONVERTER BASED ON POLYURETHANE SOLUTIONS - The present invention relates to a method for producing electromechanical converters, to the use of solutions of at least one polyurethane in one or more organic solvents to produce electromechanical converters, to electromechanical converters produced therefrom and to the use of such electromechanical converters. | 08-18-2011 |
| 20110196177 | PROCESS FOR THE CONTINUOUS PREPARATION OF NITROBENZENE - Nitrobenzene is continuously produced by nitration of benzene with mixed acid under adiabatic conditions. In this process, the pressure upstream of the nitration reactor is from 14 bar to 40 bar above the pressure in the gas phase of the phase separation apparatus used to separate crude nitrobenzene and waste acid. | 08-11-2011 |
| 20110185594 | SHOE UPPER, THE METHOD FOR PREPARING THE SAME AND THE USE THEREOF - The present invention pertains to a shoe upper, the method for preparing the same and the use thereof. This invention provides a method for preparing shoe upper by spraying polyurethane reaction system, avoids the complicated steps of cutting, shaping, stitching and bonding, simplify the production process, reduces the equipment requirements, saves cost and improves the production efficiency. | 08-04-2011 |
| 20110184144 | PROCESS AND APPARATUS FOR THE PREPARATION OF POLYCARBONATE - The invention relates to a process for the pretreatment of material surfaces in order to minimize the interaction between polycarbonate and metal and, in the processing and synthesis of polycarbonate, to obtain a high-quality polymer which in particular does not become discoloured and is free of insoluble constituents. | 07-28-2011 |
| 20110184103 | TWO-COMPONENT MOULDING PARTS WHICH ARE RESISTANT TO STRESS CRACKING AND WARPING, CONTAINING AN ISOTROPIC FILLER - The invention relates to ductile two-component moulding parts which are resistant to stress cracking and warping under the influence of chemicals, i.e. dimensionally stable two-component moulding parts. | 07-28-2011 |
| 20110184089 | METHOD FOR THE EXTRUSION OF PLASTIC MATERIALS - The invention relates to a process for extruding plastic compositions, in particular polymer melts and mixtures of polymer melts, above all thermoplastics and elastomers, particularly preferably polycarbonate and polycarbonate blends, also with the incorporation of other substances such as for example solids, liquids, gases or other polymers or other polymer blends with improved optical characteristics, with the assistance of a multi-screw extruder with specific screw geometries. | 07-28-2011 |
| 20110184080 | HYDROPHILIC, ALIPHATIC POLYURETHANE FOAMS - The present invention relates to a process for preparing a hydrophilic aliphatic polyurethane foam which includes providing, curing, and foaming a composition comprising: an isocyanate-functional prepolymer having a weight fraction of low molecular weight aliphatic diisocyanates of below 1.0% by weight based on the prepolymer, obtained by reaction of a low molecular weight aliphatic diisocyanate having a molar mass of 140 to 278 g/mol with a di- to hexafunctional polyalkylene oxide having an OH number of 22.5 to 112 mg KOH/g and an ethylene oxide content of 50 to 100 mol %; optionally a heterocyclic 4-ring or 6-ring oligomer of low molecular weight aliphatic diisocyanates having a molar mass of 140 to 278 g/mol; water; optionally a catalyst; a C | 07-28-2011 |
| 20110171459 | TWO-COMPONENT MOULDING PARTS WHICH ARE RESISTANT TO STRESS CRACKING AND WARPING, CONTAINING A PLATELET-LIKE OR FLAKED INORGANIC FILLER WITH THE EXCEPTION OF TALCUM - The invention relates to ductile two-component moulding parts which are resistant to stress cracking and warping under the influence of chemicals, i.e. dimensionally stable two-component moulding parts. | 07-14-2011 |
| 20110171277 | WOUND DRESSING HAVING A POLYURETHANE FOAM LAYER AND A COVER LAYER MADE OF THERMOPLASTIC POLYMER - The present invention relates to a layered composite which includes a foam layer and a cover layer. The cover layer includes a thermoplastic polymer and is at least partly bonded directly to the foam layer. The foam layer includes a polyurethane foam obtained by frothing and drying a composition that includes an aqueous, anionically hydrophilicized polyurethane dispersion. | 07-14-2011 |
| 20110169742 | ELECTROACTIVE POLYMER TRANSDUCERS FOR SENSORY FEEDBACK APPLICATIONS - Electroactive polymer transducers for sensory feedback applications are disclosed. | 07-14-2011 |
| 20110160633 | METHOD FOR PRODUCING SHAPED POLYURETHANE FOAM WOUND DRESSINGS - The present invention relates to a process for producing shaped articles comprising, acting on a foam layer in a first region with a pressure of from 0 to 150 bar at a temperature of from 0° C. to less than or equal to 200° C., whereby the foam layer is compressed in the first region to greater than 12.5% to 100% of its original volume; acting on the foam layer in a second region with a pressure of from 50 to 150 bar at a temperature of from 100° C. to 200° C., whereby the foam layer is compressed in the second region from greater than 0% to 12.5% of its original volume; and wherein the foam layer comprises in the first region and the second region a polyurethane foam which is obtained by foaming and drying a composition comprising an aqueous, anionically hydrophilicized polyurethane dispersion. | 06-30-2011 |
| 20110160411 | POLYCARBONATE COMPOSITIONS HAVING IMPROVED MECHANICAL PROPERTIES - The invention relates to compositions containing at least one (co)polycarbonate stable at high temperature and at least one ethylene-alkyl acrylate block copolymer, and to mouldings and injection moulded parts and extrudates obtainable from these compositions. | 06-30-2011 |
| 20110160310 | TCB BASED HYDROPHILIC POLYURETHANE DISPERSIONS - The present invention relates to a polyurethaneurea dispersion including a polyurethaneurea which is terminated with at least one polyethylene oxide- and polypropylene oxide-based copolymer unit, and includes a polycarbonate polyol-based unit of formula (I) | 06-30-2011 |
| 20110159292 | COMPOSITE COMPONENTS WITH IMPROVED ADHESION OF POLYCARBONATE/POLYESTER COMPOSITIONS AND POLYURETHANE - The present invention relates to a composite component comprising i) a support made of a thermoplastic composition comprising A) at least one polymer selected from the group consisting of aromatic polycarbonates, aromatic polyester carbonates, aromatic polyesters, and mixtures thereof, in an amount of from 20.0 to 85.0 parts by wt., based on the sum of components A and B; B) at least one rubber-modified vinyl (co)polymer in an amount of from 15.0 to 80.0 parts by wt., based on the sum of components A and B, and with a rubber content [R | 06-30-2011 |
| 20110157690 | OPTICAL SHEET AND OPTICAL SHEET MANUFACTURING METHOD - An optical sheet and a method of manufacturing the same, and more specifically an optical sheet to use for back light units of Liquid Crystal Devices (LCD's), lighting devices of billboards and the like, and a method of manufacturing the same, is disclosed. | 06-30-2011 |
| 20110155222 | LIGHT, RIGID, SELF-SUPPORTING SOLAR MODULE AND METHOD FOR THE PRODUCTION THEREOF - The solar module according to the invention consists of a transparent adhesive layer ( | 06-30-2011 |
| 20110152470 | MODIFIED POLYCARBONATES HAVING IMPROVED SURFACE PROPERTIES - The present invention relates to polycarbonates comprising imide-containing aryl mono- or dihydroxy compounds as chain terminators and, respectively, monomer units, and also to compositions comprising the said polycarbonates, to their use for the production of mouldings, and to mouldings obtainable therefrom. | 06-23-2011 |
| 20110152418 | SCRATCH-RESISTANT, IMPACT-RESISTANT POLYCARBONATE MOULDING COMPOSITIONS HAVING GOOD MECHANICAL PROPERTIES II - The present invention relates to scratch-resistant, impact-resistant polycarbonate (PC) compositions and moulding compositions which have good mechanical properties as well as high resistance to chemicals, to a process for their preparation, and to their use in the production of moulded articles, in particular of casings for flat screen devices. | 06-23-2011 |
| 20110152417 | SCRATCH-RESISTANT, IMPACT-RESISTANT POLYCARBONATE MOULDING COMPOSITIONS WITH GOOD MECHANICAL PROPERTIES - The present invention relates to scratch-resistant, impact-resistant polycarbonate (PC) compositions and moulding compositions which have good mechanical properties and a high resistance to chemicals coupled with good flameproofing properties, and show improved flow properties during processing. The present invention furthermore relates to a process for the preparation of the compositions and their use for the production of shaped articles, in particular housings of flat screen apparatuses. | 06-23-2011 |
| 20110151262 | POLYCARBONATE HAVING IMPROVED THERMAL AND MECHANICAL PROPERTIES AND REDUCED COEFFICIENTS OF THERMAL EXPANSION - The present invention relates to thermoplastic high-Tg polycarbonates and moulding materials which are distinguished by improved thermal properties and improved mechanical properties, in particular by reduced thermal expansion. The present invention furthermore relates to a process for the preparation of these polycarbonates. In particular, this invention relates to polycarbonates which the structural unit which derives from phthalimide of the formula (I) and polycarbonate compositions and moulding materials therefrom as well as a process for the preparation of these polycarbonates, and the use thereof, in particular as reflectors and display substrates. | 06-23-2011 |
| 20110151218 | SCRATCH RESISTANT TOP COATS HAVING GOOD ADHESION - The present invention relates to a multilayer system comprising a base layer consisting of a thermoplastic, a primer layer, and a scratch resistant layer consisting of a scratch resistant top coat, the multilayer system being characterised in that the primer layer contains a certain UV absorber and a certain amount of acid, preferably acetic acid, is added to the scratch resistant top coat. | 06-23-2011 |
| 20110147675 | ANTISTATIC OR ELECTRONICALLY CONDUCTIVE POLYURETHANES, AND METHOD FOR THE PRODUCTION THEREOF - The present invention relates to an antistatic or electrically conductive, thermoset polyurethane obtained by reacting A) an organic polyisocyanate; B) a compound comprising NCO-reactive groups; and C) optionally a catalyst, a blowing agent, an auxiliary, an additive, or mixtures thereof; and wherein, the polyurethane comprises a carbon nanotube present in an amount of from 0.1 to 15% by weight based on the total weight of the polyurethane. | 06-23-2011 |
| 20110147229 | PROCESS FOR PRODUCTION OF DIARYL CARBONATE - The invention relates to a process for production of diaryl carbonate combined with the electrolysis of the resultant alkali metal chloride-containing process wastewater. The process according to the invention makes possible, inter alia, improved utilization in electrolysis of the alkali metal chloride-containing solution obtained in the production of diaryl carbonate. | 06-23-2011 |
| 20110144371 | PROCESS FOR PURIFYING DIALKYL CARBONATES - The present invention relates to a special process for purifying dialkyl carbonates. In particular, the present invention relates to a continuous process for purifying a dialkyl carbonate/alcohol-mixture in the preparation of lower dialkyl carbonate by catalysed transesterification of a cyclic alkylene carbonate (e.g. ethylene carbonate or propylene carbonate) with lower alcohols. To optimize the economics and energy efficiency of the process, an apparatus for intermediate heating of the internal liquid stream is used. | 06-16-2011 |
| 20110144284 | POLYCARBONATE COMPOSITIONS HAVING IMPROVED SURFACE HARDNESS - The present invention relates to polycarbonate compositions having improved surface hardness, processes for the preparation thereof and the use thereof for the production of blends, shaped articles and extrudates. | 06-16-2011 |
| 20110144283 | COPOLYCARBONATE COMPOSITIONS HAVING IMPROVED THERMAL PROPERTIES AND BASED ON BLENDS - The invention relates to compositions containing at least one copolycarbonate containing one or more bisphenol building blocks and one or more further specific (co)polycarbonates as well as compositions which optionally contain additives, the use thereof for the production of shaped articles, and shaped articles obtainable therefrom. | 06-16-2011 |
| 20110144250 | POLYMER COMPOSITION WITH HEAT-ABSORBING PROPERTIES AND HIGH STABILITY - The present invention relates to a heat-absorbing polymer composition containing a transparent thermoplastic synthetic substance, an inorganic infrared absorber with stabiliser and also to the production and use of the polymer compositions according to the invention and to the products produced therefrom. In particular, the present invention relates to the stabilisation of inorganic IR absorbers from the group of the tungsten compounds and also to the use of the polymer composition according to the invention containing these stabilised inorganic IR absorbers for the purpose of producing windowpanes for use in buildings, motor vehicles, rail vehicles or aircraft. | 06-16-2011 |
| 20110143126 | POLYCARBONATE BLENDS HAVING HIGH HEAT DISTORTION RESISTANCE AND IMPROVED SURFACE PROPERTIES - The present invention relates to compositions containing copolycarbonates comprising bisphenol A and TMC bisphenol building blocks and specific polyolefins or functionalized polyolefins. The invention also relates to mouldings and injection moulded parts and extrudates obtainable from these compositions, and to processes for the production of the mouldings and extrudates. The invention furthermore relates to multilayer products comprising a substrate containing the polycarbonate according to the invention, which has a further layer at least on one side, preferably a metal layer, and processes for the production of such products. | 06-16-2011 |
| 20110135934 | Process For The Production Of Polyurethane Composite Components - The invention relates to a process for the production of a composite component, comprising a) a support of a thermoplastic composition, and b) at least one polyurethane layer in direct contact with the support. The process involves (i) in a first process step the melt of the thermoplastic composition is injected into a first mould cavity and is subsequently cooled, the thermoplastic composition comprising: A) 65.0 to 90.0 parts by wt., based on the sum of components A and B, of at least one polymer chosen from the group of aromatic polycarbonates, aromatic polyester carbonates and aromatic polyesters, B) 10.0 to 35.0 parts by wt., based on the sum of components A and B, of an optionally rubber-modified vinyl (co)polymer and C) 0 to 30.0 parts by wt., based on the sum of components A to C, of at least one commercially available polymer additive, And (ii) in a second process step the cavity of the injection mould is enlarged and a gap is thereby generated, and (iii) in the third process step a reactive polyurethane raw material mixture comprising at least one polyisocyanate component, at least one polyfunctional H-active compound, and optionally at least one polyurethane additive and/or process auxiliary substance is injected into the gap resulting in this way between the thermoplastic component and the mould surface of the enlarged cavity, the polyurethane raw material mixture polymerizing completely in contact with the surface of the thermoplastic support to give a compact polyurethane layer or to give a polyurethane foam layer. And (iv) in a fourth process step the composite component is removed from the mould cavity. Preferably the process steps following one another directly. | 06-09-2011 |
| 20110133598 | ELECTROMECHANICAL TRANSDUCER COMPRISING A POLYURETHANE POLYMER WITH POLYTETRAMETHYLENE GLYCOL ETHER UNITS - The present invention provides an electromechanical transducer comprising a dielectric elastomer with contact by a first electrode and a second electrode, said dielectric elastomer comprising a polyurethane polymer comprising the reaction product of A) a polyisocyanate and/or B) a polyisocyanate prepolymer with C) a compound having at least two isocyanate-reactive groups wherein the polyisocyanate prepolymer B) and/or the compound C) having at least two isocyanate-reactive groups comprise polytetramethylene glycol ether units of the formula (I): | 06-09-2011 |
| 20110130512 | POLYESTER PREPOLYMERS - The invention relates to prepolymers containing alkoxysilane groups based on special, low-viscosity polyester polyols, which exhibit particularly high tensile strength, a process for the production thereof and their use as a binder for adhesives, primers or coatings. | 06-02-2011 |
| 20110130500 | POLYCARBONATE COMPOSITION HAVING IMPROVED HEAT STABILITY - The invention relates to a polycarbonate composition having reduced subsequent yellowing of the mouldings produced therefrom on heat ageing and having good optical properties of the polycarbonate composition on processing. | 06-02-2011 |
| 20110128239 | ELECTROACTIVE POLYMER TRANSDUCERS FOR TACTILE FEEDBACK DEVICES - Electroactive polymer transducers for sensory feedback applications in user interface devices are disclosed. | 06-02-2011 |
| 20110124805 | LOW VISCOSITY ALLOPHANATES CONTAINING ACTINICALLY CURABLE GROUPS - The present invention relates to a process for preparing radiation-curing binders containing allophanate groups by reacting at temperatures of ≦130° C.
| 05-26-2011 |
| 20110123479 | MEDICAL ADHESIVES FOR STOPPING HEAVY BLEEDING AND SEALING LEAKAGES - The present invention relates to a method that includes providing a formulation having an isocyanate-functional prepolymer and a curing component comprising an amino-functional aspartic ester of the general formula (I) | 05-26-2011 |
| 20110112240 | POLYCARBONATES HAVING IMPROVED TRANSMISSION - The present invention relates to a composition containing polycarbonate and 0.01 wt. % to less than 0.30 wt. % of polyol, polyether polyol, or combinations thereof. | 05-12-2011 |
| 20110112226 | Products with improved flame resistance - The present invention relates to a composition containing polycarbonate and 0.0001 wt. % to 0.5 wt. % 2-[2-hydroxy-4-(2-ethylhexyl)oxy]phenyl-4,6-di(4-phenyl)phenyl-1,3,5-triazine (CAS No. 204583-39-1) and 0.01 wt. % to 30.00 wt. % of a flameproofing additive. | 05-12-2011 |
| 20110110996 | LAYER COMPOSITE, SUITABLE AS A WOUND DRESSING, COMPRISING A POLYURETHANE FOAM LAYER, AN ABSORBER LAYER AND A COVER LAYER - Layered composite useful as wound dressing, comprising a base layer, an absorbent layer atop the base layer, and also a covering layer, wherein the covering layer is bonded to both the base layer and the absorbent layer and wherein the base layer comprises a polyurethane foam obtained by a composition comprising an aqueous, anionically hydrophilicized polyurethane dispersion that has been frothed and dried. | 05-12-2011 |
| 20110109200 | TWO- OR MULTI-LAYER FERRELECTRET AND METHOD FOR THE PRODUCTION THEREOF - The present invention relates to a method for producing two- or multi-layer ferroelectrets with defined voids, with the exception of three-layer ferroelectrets with a perforated middle layer made of PTFE between two FEP layers, involving, introducing one or more clearances into at least one surface side of a polymer film element by means of a method of removal, applying a first covering to the surface side of the polymer film element comprising clearances formed in step A), and joining the polymer film element and the covering to form a polymer film composite, the clearances being closed while voids are formed, and to a two- or multi-layer ferroelectret, with the exception of three-layer ferroelectrets with a perforated middle layer made of PTFE between two FFP layers, in particular produced by this method. The invention also relates to a piezoelectric element containing a ferroelectret multi-layer composite according to the invention. | 05-12-2011 |
| 20110105659 | POLYCARBONATE COMPOSITION WITH IMPROVED MELT-FLOWABILITY - The invention relates to a polycarbonate composition with improved melt-flowability together with good optical properties and together with good hydrolysis resistance. | 05-05-2011 |
| 20110100259 | STABLE POLYISOCYANATES COMPRISING NANOPARTICLES - The present invention relates to unblocked nanoparticle-modified polyisocyanates having increased stability in the NCO content. | 05-05-2011 |
| 20110098386 | PRODUCTS HAVING IMPROVED FLAME RESISTANCE - The present invention relates to flame-retardant compositions containing:
| 04-28-2011 |
| 20110097289 | DECORATIVE COSMETIC COMPOSITIONS - The invention relates to decorative cosmetic compositions containing specific polyurethanes or aqueous dispersions thereof and constituents producing decorative effects. | 04-28-2011 |
| 20110088754 | POLYURETHANE COATINGS FOR THERMALLY REGULATING AND THE USE THEREOF - The present invention relates to a polyurethane coating having pipes or hoses having a diameter of ≦95% of the thickness of the polyurethane coating, through which a medium for heat exchange flows. | 04-21-2011 |
| 20110088481 | ATTACHMENT DISPLACEMENT SENSOR FOR MEASURING THE CHANGE IN LENGTH OF A SAMPLE AND MEASURING METHOD WHICH USES SUCH A SENSOR - The present invention relates to a contact displacement sensor for use in the mechanical measurement of the elongation of a sample by stretching. It further relates to a method for the measurement of the elongation of a sample using such a contact displacement sensor, a system for the measurement of the elongation of a sample using such a contact displacement sensor as well as the use of such a contact displacement sensor. The contact displacement sensor comprises an element with which the sample is contacted. According to the present invention the element is mounted rotatably and disposed in such a way that the tearing of the sample will rotate the element. Due to the element being rotated by the torn sample, only a small amount of energy will be transferred to the contact displacement sensor, which therefore will not be overloaded or damaged. | 04-21-2011 |
| 20110085330 | LED LIGHTING UNIT HAVING A STRUCTURED SCATTERING SHEET - The present invention relates to an LED lighting unit containing a scattering sheet consisting of at least one transparent plastic, which has light-guiding elements at least on the front side. | 04-14-2011 |
| 20110082273 | HIGH-FUNCTIONAL POLYISOCYANATES CONTAINING ALLOPHANATE AND SILANE GROUPS - The invention relates to high-functional polyisocyanates containing allophanate and silane groups, a method for their production and their use as a starting component in the production of polyurethane plastics, in particular as a crosslinker component in polyurethane paints and coatings. | 04-07-2011 |
| 20110078832 | HYDROPHILIC POLYURETHANE COATINGS - The present invention relates to a coating composition in the form of a dispersion containing a polyurethane urea which (1) is terminated by a copolymer unit of polyethylene oxide and polypropylene oxide, and (2) contains at least one hydroxyl-group-containing polycarbonate polyol. | 03-31-2011 |
| 20110073676 | PRODUCTION OF A SOLIDS-CONTAINING PUR SPRAY JET - The present invention relates to a process for producing a solids-containing PUR spray jet and also to a spray attachment, wherein a solids-containing gas stream is introduced into a liquid jet of a PUR reaction mixture. | 03-31-2011 |
| 20110073491 | ELECTROCHEMICAL CELL - The present invention describes an electrochemical cell, comprising at least an anode half-cell with an anode, a cathode half-cell with a cathode, and an ion exchange membrane arranged between the anode half-cell and the cathode half-cell, the anode and/or the cathode is a gas diffusion electrode. And a gap is provided between the gas diffusion electrode and the ion exchange membrane, and the half-cell with the gas diffusion electrode has an electrolyte feed and an electrolyte discharge as well as a gas inlet and a gas outlet. The electrochemical cell preferably has an electrolyte feed that is hermetically connected to the gap. | 03-31-2011 |
| 20110071241 | FLAME RETARDANT, OPTICALLY CLEAR THERMOPLASTIC MOLDING COMPOSITION - The present invention relates to a flame-retardant, optically clear thermoplastic molding composition. The composition contains a A) about 60 pbw to about 97 pbw of a polycarbonate, B) about 1 pbw to about 20 pbw of bromine-substituted oligocarbonate, C) about 1 pbw to about 20 pbw of a phosphorus-containing compound and D) about 0.01 pbw to about 1 pbw of at least one alkali or alkaline-earth salt of perfluoroalkane sulfonic acid and optionally E) about 0.01 to about 1 pbw of a phosphite antioxidant/stabilizer. In accordance with UL-94 standard the flame-retardant, optically clear thermoplastic molding composition is rated 5VA at 3.00 mm and V-0 at 2.3 mm, more preferably V-0 at 1.5 mm according to UL-94. | 03-24-2011 |
| 20110070387 | POLYUREA COMPOSITION - A two-component coating system, containing (A) a polyisocyanate prepolymer having polyether groups bonded through allophanate groups, and (B) a mixture of polyamines in which (B1) at least 75 mol % of all NH groups originate from an amino-functional polyaspartic acid ester of the general formula (I): | 03-24-2011 |
| 20110065827 | NOVEL HOLOGRAPHIC MEDIA AND PHOTOPOLYMERS - The invention relates to holographic media containing specific photopolymers, a process for the production thereof, and unsaturated glycidyl ether acrylate urethanes as writing monomers which are suitable for the preparation of photopolymers. | 03-17-2011 |
| 20110060090 | BINDER COMBINATIONS BASED ON POLYACRYLATE DISPERIONS - Aqueous polyacrylate dispersions comprising hydrophobic co-solvents are provided. The dispersions are prepared from copolymers P) which are comprised of I) a hydroxy-functional, hydrophobic polymer containing as structural monomers Ia) (meth)acrylic acid esters having from C | 03-10-2011 |
| 20110050094 | ELECTROLUMINESCENCE SYSTEM WITH TRANSPARENT ELECTRODES - The electroluminescent system comprises an electroluminescent device ( | 03-03-2011 |
| 20110046300 | PROCESS FOR THE PREPARATION OF POLYISOCYANATES WITH A BIURET STRUCTURE - The present invention relates to an improved process for the preparation of polyisocyanates with a biuret structure by continuous reaction of excess amounts of organic diisocyanates having exclusively aliphatically and/or cycloaliphatically bonded isocyanate groups with organic diamines having exclusively aliphatically and/or cycloaliphatically bonded primary amino groups at elevated temperatures by 2-stage addition of the isocyanate component. | 02-24-2011 |
| 20110044933 | PARTICLES, OBTAINED BY DRYING AN AQUEOUS NANOUREA DISPERSION - The present invention relates to particles produced by drying aqueous dispersions of nanoureas and to methods for the production thereof. | 02-24-2011 |
| 20110041953 | METHOD FOR FILLING AND EMPTYING TRANSPORT CONTAINERS WITH PLASTICS GRANULAR MATERIAL - A method for the filling and optionally emptying transport containers with plastics granular materials is disclosed. A flexible plastics inliner is inserted into a transport container. A front side of the inliner includes at least one receiving flexible hose connection for filling the inliner with plastics granular material, at least one discharge hose connection for discharging blown in conveying air from the inliner, and at least one emptying hose connection for emptying plastics granular material from the inliner. The front side of the inliner also includes a protective liner. The cabin and the transport container are positioned at a decanting station, the cabin being adapted to transfer plastics granular material from the decanting station and decant the transferred plastics granular material into the transport container through the receiving hose connection. The transport container is then filled with plastics granular material utilizing the cabin. | 02-24-2011 |
| 20110040117 | PROCESS FOR PREPARING DIALKYL CARBONATES FROM ALKYLENE CARBONATES AND ALCOHOLS - The present invention relates to a continuous process for preparing lower dialkyl carbonates as main product and alkylene glycol as by-product by catalyzed transesterification of a cyclic alkylene carbonate (e.g. ethylene carbonate or propylene carbonate) with lower alcohols, where the reaction of the alkylene carbonate is carried out with an alcohol containing dialkyl carbonate in countercurrent, characterized in that introduction of a stream containing at least 99.5% by weight of alcohol takes place below the point of introduction for the alcohol containing dialkyl carbonate in a particular spacing ratio between the abovementioned points of introduction. | 02-17-2011 |
| 20110040066 | POLYCARBONATES HAVING REARRANGEMENT STRUCTURES, CYCLIC AND LINEAR OLIGOMERS AND ALSO FLOW BEHAVIOR - The present invention relates to compositions having improved rheological properties which are based on polycarbonate having rearrangement structures and cyclic and linear oligomers and also mouldings and extrudates composed of these polycarbonate compositions. | 02-17-2011 |
| 20110038808 | FLAVORED CHEWABLE FOAMS AND A PROCESS FOR THEIR PRODUCTION - Flavored chewable foams for the oral care sector are produced from a polyurethane-polyurea and a sensorially active substance (e.g., taste substance and/or aroma substance) by foaming a polyurethane-urea dispersion, drying that dispersion and incorporating the sensorially active substance into the polyurethane-urea dispersion before, during or after foaming of the dispersion. | 02-17-2011 |
| 20110034575 | VISCO-ELASTIC POLYURETHANE FOAM - The invention relates to a polyether polyol composition for the preparation of polyurethane foams, comprising:
| 02-10-2011 |
| 20110030767 | PHOTOVOLTAIC SOLAR MODULE - The present invention relates to a photovoltaic solar module, a process for the preparation thereof, and a device for generating electric energy employing such a solar module. The photovoltaic solar module has a wholly or partly surrounding frame of polyurethane which is characterized in that said frame has an elongation at break of at least 50%, a modulus of elasticity of at least 30 N/mm | 02-10-2011 |
| 20110028754 | PROCESS FOR HETEROGENEOUSLY CATALYZED ESTERIFICATION OF (METH)ACRYLIC ACID WITH OXYALKYLATED POLYOLS - The present invention relates to a process for heterogeneously catalyzed partial esterification of (meth)acrylic acid with oxyalkylated polyols, wherein the oxyalkylated polyols have at least 3 free hydroxyl groups, and wherein the catalyst is selected from the group comprising acidic ion exchange resins and/or acidic zeolites. The invention further relates to (meth)acrylic esters and urethane acrylates, obtained by a process according to the present invention, and to the use thereof as radiation-curable compounds. | 02-03-2011 |
| 20110028582 | HOT MELTS - The present invention relates to reactive preparations, comprising isocyanate-functional polyurethane building blocks, to a method for the production thereof, and to the use thereof as or in adhesives having high initial strength and high mechanical strength. | 02-03-2011 |
| 20110027575 | Adhesion Between Thermoplastics and Polyurethane - The present disclosure relates to a method for producing composite materials containing as a first layer a foamed thermoplastic support and as a second layer polyurethane (PU), the resulting composite materials being characterised by improved foam adhesion, wherein
| 02-03-2011 |
| 20110027211 | HAIR STYLING COMPOSITION - The invention relates to hair styling compositions containing special polyurethanes and to the use of the above-mentioned polyurethanes for producing hair styling compositions. | 02-03-2011 |
| 20110026248 | MULTI-LAYER LIGHTING UNIT WITH IMPROVED PROPERTIES AND ITS USE - A lighting unit includes a reflector, two or more light sources, and at least one diffuser plate. The light sources have a gap of at least ≧30 mm from each other, and the gap between the light sources and the diffuser plate is ≦25 mm. The diffuser plate comprises a lenticular plate. An advanced compound parabolic concentrator scatter film is arranged on the lenticular plate, and a further scatter film is arranged on the advanced compound parabolic concentrator scatter film. | 02-03-2011 |
| 20110024289 | ELECTRODE AND ELECTRODE COATING - The invention describes an electrode and an electrode coating which are based on a catalyst containing finely divided carbon modifications and noble metal (oxide)s. | 02-03-2011 |
| 20110022005 | MEDICAL DEVICE HAVING HYDROPHILIC COATINGS - The present invention relates to a medical device having a coating comprising at least one polyurethaneurea, wherein the coating comprises at least one polyurethane urea terminated with a copolymer unit of polyethyloxide and polypropyloxide. | 01-27-2011 |
| 20110021811 | PROCESS FOR THE PREPARATION OF TOLUENE-DIISOCYANATE - The present invention relates to a process for the preparation of toluene-diisocyanate. In this process, toluenediamine is reacted with phosgene to give crude toluene-diisocyanate, the crude toluene-diisocyanate is purified by distillation, the distillation residue formed during the distillation is hydrolysed at temperatures of less than 230° C. under absolute pressures of less than 30 bar, and the toluenediamine formed by this process is subsequently recycled into the reaction of toluenediamine and phosgene. | 01-27-2011 |
| 20110021738 | METHOD FOR THE PRODUCTION OF POLYOLS - The present invention relates to polyols obtainable via a simple process. Unless specified explicitly, polyols in the following are to be understood as meaning both polyether polyols and polyether ester polyols. The invention also provides the simple process itself and the use of the polyols according to the invention for the preparation of polyurethane materials. | 01-27-2011 |
| 20110021696 | HYDROPHILIC POLYURETHANE DISPERSIONS - The present invention relates to a polyurethane urea dispersion, wherein the polyurethane urea (1) is terminated with a copolymer unit of polyethylene oxide and polypropylene oxide, and (2) at least one polycarbonate polyol comprising at least one hydroxyl group. | 01-27-2011 |
| 20110021657 | HYDROPHILIC POLYURETHANE SOLUTIONS - The present invention relates to a coating compound comprising at least one polyurethane urea terminated with a copolymerized unit of polyethylene oxide and polypropylene oxide. | 01-27-2011 |
| 20110015724 | MEDICAL DEVICE HAVING HYDROPHILIC COATINGS - The present invention relates to a medical device having a coating comprising at least one polyurethane urea, wherein the coating comprises at least one polyurethane urea terminated with a copolymer unit of polyethyloxide and polypropyloxide. | 01-20-2011 |
| 20110015291 | PREPOLYMERS BASED ON DI- OR POLYISOCYANATES AND FORMAMIDE-TERMINATED LOW MOLECULAR WEIGHT COMPOUNDS, PROCESSES FOR PREPARING THE SAME AND USES THEREOF - Prepolymers, which are accessible from formamides of low molecular weight di- or triamines (formamide-terminated low molecular weight compounds) and di- or polyisocyanates, of the general formula (II): | 01-20-2011 |
| 20110009592 | PROCESS FOR THE PREPARATION OF POLYCARBONATE - A combined process for the preparation of polycarbonate from bisphenols and diaryl carbonates, the monophenol liberated being reacted again for the preparation of the diaryl carbonate and the alkali metal halide forming in the preparation of the diaryl carbonate being converted by electrochemical oxidation, optionally over a gas diffusion electrode, into chlorine and alkali hydroxide solution, the chlorine being recycled into the preparation of the phosgene and the alkali hydroxide solution being recycled into the preparation of the diaryl carbonate. | 01-13-2011 |
| 20110008579 | MULTI-WALL SHEET WITHOUT THE TRIANGLE EFFECT, COATED BY COEXTRUSION - Gussetless multi-wall sheets are prepared using a coextrusion process which entails feeding part of the base material directly into and via the male insert of the extrusion die thereby producing the gussetless sheet. | 01-13-2011 |
| 20110006579 | FLAME-RETARDANT POLYURETHANE MOLDED FOAMS, PROCESSES FOR PREPARING THE SAME, AND USES THEREFOR - Polyurethane molded foams having a surface region and an interior region and comprising a flame-retardant solid, wherein the flame-retardant solid is present in the surface region in a proportion higher than a proportion of the flame-retardant solid in the interior region; processes for preparing the same; and materials comprising such foams. | 01-13-2011 |
| 20110004241 | ADHESIVE - Methods comprising: providing a migrate-sensitive substrate having a surface to be bonded; providing an adhesive formulation comprising an isocyanate-terminated polyurethane prepolymer containing one or more tertiary amino groups; and forming a migrate-free adhesive bond between the surface of the migrate-sensitive substrate and a second surface; as well as adhesive formulations comprising an isocyanate-terminated polyurethane prepolymer containing one or more tertiary amino groups; and wound closure systems comprising such an adhesive formulation. | 01-06-2011 |
| 20110003898 | MEDICAL GLUES FOR SURGERY COMPRISING BIOACTIVE COMPOUNDS - The present invention relates to novel, rapidly curing adhesives based on hydrophilic polyisocyanate prepolymers for use in surgery, which contain pharmacologically active ingredients. The adhesive system contains
| 01-06-2011 |
| 20100330238 | ADHESIVE - The invention relates to the use of special isocyanate-terminated polyurethane prepolymers in adhesive formulations. Said adhesive formulations can be used in applications in which it is important to prevent or minimize migration of adhesive components when the adhesive layer is in direct or indirect contact with substrates that are sensitive thereto. | 12-30-2010 |
| 20100327470 | PROCESS AND APPARATUS FOR PRODUCING THICK-WALLED PLASTIC COMPONENTS - The invention relates to a process for producing plastic components, in particular optical lenses or optical light-guides, wherein plastic melt is injected via a sprue ( | 12-30-2010 |
