| Bayer MaterialScience LLC Patent applications |
| Patent application number | Title | Published |
|---|
| 20120085961 | METHOD FOR IMPROVING SOUND DAMPING PERFORMANCE FOR AUTOMOTIVE INTERIOR APPLICATIONS - The present invention provides a method for improving damping performance and viscoelastic response in a vehicle interior part, the method involving including a thermoplastic blend in the part, wherein the thermoplastic blend contains 50 to 70 percent by weight of a thermoplastic aromatic polycarbonate and 5 to 10 percent by weight of a thermoplastic polyester-polyol-based polyurethane, wherein the percents are based on the combined weights of the thermoplastic aromatic polycarbonate and thermoplastic polyurethane. The inventive methods may find particular application in vehicles such as vehicles such as automobiles, trucks, buses, trains, airplanes, etc. | 04-12-2012 |
| 20120083554 | COLD-PRESSED MATS OF LIGNOCELLULOSIC MATERIAL HAVING IMPROVED COLD TACK AND A PROCESS FOR THEIR PRODUCTION - Cold-pressed mats of lignocellulosic material having a Push Off Test extension equal to at least 85% of that of a mat made with a urea-formaldehyde resin are produced from a lignocellulosic material and binder system. These mats are produced at ambient temperature by separately adding each component of the binder system to the lignocellulosic material, blending the lignocellulosic material and binder system to coat the lignocellulosic material with the binder system, forming the coated lignocellulosic material into the desired form and applying pressure to the formed lignocellulosic material to obtain the desired thickness. The binder system includes: (i) at least one polyfunctional isocyanate and (ii) at least one aqueous dispersion of an adhesive or tackifier. | 04-05-2012 |
| 20120077038 | A PROCESS FOR INCORPORATING AN INTERPENETRATING NETWORK OR BLEND INTO THE SURFACE LAYER OF A POLYMERIC ARTICLE - The present invention provides a plastic article containing a first polymer and an interpenetrating network or blend of a second polymer infused in a surface layer of the first polymer, wherein the second polymer is the product of photopolymerizing, in a de-oxygenated environment, a reactive monomer in the presence of one or more radical photoinitiators. The present invention also provides a process for the infusion of a surface layer polymer interpenetrating network (“IPN”) or interpenetrating blend (“IPB”) into plastic articles. By inclusion of a second polymer within the pre-existing first polymer, surface modification of the physical and chemical properties of the host polymer may be enhanced. | 03-29-2012 |
| 20120041144 | LOW-VISCOSITY POLYMER POLYOLS CHARACTERIZED BY A HIGH HYDROXYL NUMBER - The present invention relates to novel polymer polyols which have low viscosities and high hydroxyl numbers, and to a process for the preparation of these novel polymer polyols. These polymer polyols have hydroxyl numbers of 20, solids contents of about 30 to about 65% by weight and a viscosity that is less than or equal to: be | 02-16-2012 |
| 20120019223 | MINIATURE HIGH-VOLTAGE POWER SUPPLIES - The present invention provides miniature power supplies and circuitry for powering high-voltage devices. | 01-26-2012 |
| 20120016048 | FLEXIBLE POLYURETHANE FOAMS MADE FROM ALKOXYLATED NATURAL OIL - The present invention provides flexible conventional polyurethane foams made from at least one polyisocyanate and at least one vegetable oil alkoxylated in the presence of a double metal cyanide (DMC) catalyst, optionally at least one non-vegetable oil-based polyol, generally in the presence of a blowing agent and optionally in the presence of a surfactant, pigment, flame retardant, catalyst or filler. The alkoxylated natural oil must have (a) an ethylene oxide content in the alkoxylated segment greater than 20% by weight, (b) a primary hydroxyl group content of at least 10%, with the sum of (a)+(b) being at least 30% but no greater than 60%, The alkoxylated natural oils are environmentally-friendly, bio-based polyols which can be used to increase the “green” content of polyurethane foams without having detrimental effects on foam properties. | 01-19-2012 |
| 20120003454 | LONG-FIBER THERMOSET COMPOSITE WITH LOW ORANGE PEEL - A reinforced polymer composite that includes a Class A surface and method of making are disclosed. A reinforced polymer composite comprises a polymeric barrier layer that comprises a barrier layer first surface, a barrier layer second surface, and a plurality of hard segment domains. A reinforced polymer composite also comprises a reinforced polymeric layer covering at least a portion of the barrier layer first surface, wherein the barrier layer second surface exhibits a Class A quality, and wherein the plurality of hard segment domains substantially suppress deformation of the polymeric barrier layer at a molding temperature of the reinforced polymer composite. Optionally, an in-mold coating that has a Class A surface covers at least a portion of the barrier layer second surface. | 01-05-2012 |
| 20110310631 | LED HEADLAMP COOLING SYSTEM - The present invention provides improved LED headlamp cooling systems. The present invention allows for heat removal and recirculation of the excess heat into a forward lamp chamber of a head lamp before being exhausted out of the head lamp assembly. | 12-22-2011 |
| 20110306728 | POLYMER POLYOLS PREPARED FROM NITRILE-FREE AZO-INITIATORS - This invention relates to nitrile-free azo initiators for the preparation of polymer polyols and to the polymer polyols prepared therefrom. These novel polymer polyols comprise a base polyol, a preformed stabilizer and at least one ethylenically unsaturated monomer, in the presence of at least one free-radical polymerization initiator comprising as azo compound that is free of nitrile groups, and optionally, a polymer control agent. The process of preparing these polymer polyols is a continuous process comprising free-radically polymerizing a base polyol, a preformed stabilizer, and at least one ethylenically unsaturated monomer, in the presence of at least one free-radical polymerization initiator comprising as azo compound that is free of nitrile groups, and optionally, a polymer control agent. | 12-15-2011 |
| 20110272830 | DOWNCOMERS FOR MASS TRANSFER COLUMN - The present disclosure is directed to an improved mass-transfer column, the column comprising a plurality of trays and associated downcomers, wherein at least one of the downcomers comprises an upstream and downstream end, as defined by the direction of flow of liquid through the column, the upstream and downstream end each having an opening defined by a plurality of walls, wherein each of the walls extend substantially entirely between the upstream opening and the downstream opening, and wherein at least one of the walls has at least two sections, a first section of the wall forming an angle α with a plane parallel to the associated tray, and a second section of the wall, which forms an angle β with a plane parallel to the associated tray, wherein said second section is downstream from the first section, and α<β. | 11-10-2011 |
| 20110269081 | SYSTEMS AND PROCESSES FOR IMPROVED COMBUSTION CONTROL - Combustion systems and processes are disclosed. A cross-limiting override control system is configured to transmit remote set points to flow controllers configured to control the flow rates of a primary firing fuel and air to a combustion apparatus. A temperature controller is configured to transmit a temperature demand signal based on a temperature in a combustion zone in the combustion apparatus. An analyzer controller is configured to transmit a stoichiometric ratio control signal based on an excess oxygen level exiting the combustion zone in the combustion apparatus. The cross-limiting override control system includes a dynamic stoichiometric ratio multiplier element configured to receive the stoichiometric ratio control signal transmitted from the analyzer controller, a high signal select element configured to receive the temperature demand signal transmitted from the temperature controller, and a low signal select element configured to receive the temperature demand signal transmitted from the temperature controller. | 11-03-2011 |
| 20110263797 | ALLOPHANATE MODIFIED DIPHENYLMETHANE DIISOCYANATES, PREPOLYMERS THEREOF, AND THEIR USE IN THE PREPARATION OF POLYUREAS AND POLYURETHANES - This invention relates to novel allophanate-modified diphenylmethane diisocyanates, prepolymers of these allophanate-modified diphenylmethane diisocyanates, and two-component polyureas and one-component polyureaurethanes prepared from these prepolymers. In addition, the invention also relates to processes for the preparation of these various compositions, and to the preparation of sealants from the two-component polyureas and caulking agents from the one-component polyureaurethanes. | 10-27-2011 |
| 20110256187 | BIOFILM-INHIBITORY COATINGS THAT RELEASE SALICYCLIC ACID BY HYDROLISIS - The present invention relates to coating compositions for modulating biofilm growth on a surface, the composition comprising the reaction product of:
| 10-20-2011 |
| 20110251332 | TWO-COMPONENT WATERBORNE POLYURETHANE COATINGS - A polyaziridine introduced into a two-component waterborne polyurethane dispersion coating system increases the cure rate of a coating composition formed from the coating system. | 10-13-2011 |
| 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 |
| 20110177344 | THERMOPLASTIC POLYURETHANE COPOLYMER MOLDING COMPOSITIONS - Compositions for forming molded articles, particularly, shells for automotive applications are made up of melt blends of aliphatic thermoplastic urethane elastomer and an olefin-containing block copolymer crosslinked to a gel content of from 5 to 95%. These compositions may be blended to form a powder, pellets, microspheres or minibeads which may then be cast to form air bag door and instrument panel cover skins which may meet automotive deployment and weathering requirements. | 07-21-2011 |
| 20110130517 | Hydrolytic stability of polycarbonate containing rubber modifier - The present invention provides a thermoplastic molding composition containing an aromatic polycarbonate and a core-shell graft copolymer which is coagulated with a salt of a metal element selected from the group consisting of lithium, sodium, potassium, rubidium, cesium, francium, beryllium, magnesium, calcium, strontium, barium and radium. The molding composition may optionally include a polyalkylene terephthalate. The inventive thermoplastic molding composition exhibits improved hydrolytic stability over a comparable thermoplastic molding composition produced with a core shell graft copolymer coagulated with a salt of a metal element not selected from the group consisting of lithium, sodium, potassium, rubidium, cesium, francium, beryllium, magnesium, calcium, strontium, barium and radium. | 06-02-2011 |
| 20110118369 | PROCESS FOR THE PRODUCTION OF MEDIUM DENSITY DECORATIVE MOLDED FOAMS HAVING GOOD FIRE RETARDANT PROPERTIES WITH REDUCED MOLD TIMES, FIRE RETARDANT COMPOSITIONS AND FOAMS PRODUCED BY THIS PROCESS - Fire-resistant, medium density molded polyurethane foams which may be removed from a mold in substantially shorter times than previously possible are produced by the process of the present invention. These reduced de-mold times are achieved by including a solid flame retardant composition in the polyurethane foam forming composition. This solid flame retardant composition includes a melamine coated ammonium polyphosphate and zinc borate. | 05-19-2011 |
| 20110105673 | THERMOPLASTIC ALIPHATIC URETHANE/UREA MOLDING COMPOSITIONS - Compositions for forming molded articles, particularly, shells for automotive applications are made up of an aliphatic thermoplastic urethane/urea elastomer and, optionally, one or more copolymers, such as an olefin-containing or styrene containing copolymer. These compositions may be used to form a powder, pellets, microspheres or minibeads which may then be cast to form air bag door and instrument panel cover skins which may meet automotive deployment and weathering requirements. | 05-05-2011 |
| 20110077346 | THERMOPLASTIC POLYURETHANE COPOLYMER MOLDING COMPOSITIONS - Compositions for forming molded articles, particularly, shells for automotive applications are made up of melt blends of an aliphatic thermoplastic urethane elastomer and one or more polyolefin-based modifiers. These compositions may be blended to form a powder, pellets, microspheres or minibeads which may then be cast to form air bag door and instrument panel cover skins which may meet automotive deployment and weathering requirements. | 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 |
| 20110059262 | AQUEOUS FLOOR COATINGS BASED ON UV-CURABLE POLYURETHANE DISPERSONS - The present invention is directed to a process for coating a wood substrate, the coating composition curable by radiation having a wavelength of 320 nm to 450 nm and the coated product so-produced. | 03-10-2011 |
| 20110054141 | ALIPHATIC MOISTURE-CURABLE RESINS, COATING COMPOSITIONS, AND RELATED PROCESSES - The present disclosure is directed to an aliphatic isocyanate-based moisture-curable resin. The disclosed resin may include an aliphatic isocyanate functional material and an cycloaliphatic isocyanate functional material. The resin may be used to formulate a coating composition that may exhibit no substantial sag when applied at a wet film thickness of at least 6 mils, and no substantial blistering when cured to a dry film thickness of at least 6 mils. | 03-03-2011 |
| 20110045219 | COATING COMPOSITIONS FOR GLASS SUBSTRATES - The present invention relates to an aqueous polyurethane coating composition comprising:
| 02-24-2011 |
| 20100331517 | POLYETHER CARBONATE POLYOLS MADE VIA DOUBLE METAL CYANDIE (DMC) CATALYSIS - The present invention relates to a polyether carbonate polyol made by copolymerizing a starter molecule with carbon dioxide, at a pressure ranging from about 10 psia to about 2,000 psia, and an alkylene oxide, at a temperature ranging from about 50° C. to about 190° C. and in the presence of from about 0.001 Wt. % to about 0.2 wt. % of a substantially non-crystalline double metal cyanide (DMC) catalyst, wherein the polyol has an incorporated carbon dioxide content of from about 1 wt. % to about 40 wt. %, wherein the ratio of cyclic carbonate by-product to total carbonate is less than about 0.3 and wherein the weight percentages are based on the weight of the polyol. The inventive polyether carbonate polyols may find use in producing polyurethane foams, elastomers, coatings, sealants and adhesives with improved properties. | 12-30-2010 |
| 20100324340 | SHORT CHAIN POLYETHER POLYOLS PREPARED FROM ULTRA-LOW WATER-CONTENT STARTERS VIA DMC CATALYSIS - The present invention provides a process for the polyoxyalkylation of a starter involving establishing oxyalkylation conditions in an oxyalkylation reactor in the presence of a double metal cyanide (DMC) catalyst, continuously introducing into the reactor at least one alkylene oxide and an acidified, ultra-low water content starter, in which the starter contains greater than about 100 ppm and less than or equal to about 500 ppm water, based on the weight of the starter, and recovering an oxyalkylated low molecular weight starter polyether product. The inventive process allows the production of short chain polyether polyols which have hydroxyl numbers of from greater than 250 up to about 500, from hygroscopic initiators, such as glycerin, without DMC catalyst deactivation. | 12-23-2010 |
| 20100280139 | Sprayable elastomeric polyurethane foam and process for its production - The present invention relates to a sprayable elastomeric polyurethane foam made from the reaction product of at least one isocyanate, at least one isocyanate-reactive component and water, optionally in the presence of at least one of blowing agents, surfactants, cross-linking agents, extending agents, pigments, flame retardants, catalysts and fillers, wherein the sprayable elastomeric polyurethane foam has a free rise density of from about 5 lb/ft | 11-04-2010 |
| 20100279101 | COMPOSITES PRODUCED FROM SPRAYABLE ELASTOMERIC POLYURETHANE FOAM - The present invention relates to a composite containing a first plastic layer, a second plastic layer and a sprayable elastomeric polyurethane foam made from the reaction product of at least one isocyanate, at least one polyol and water, optionally at least one of blowing agents, surfactants, cross-linking agents, extending agents, pigments, flame retardants, catalysts and fillers, wherein the sprayable elastomeric polyurethane foam is sprayed onto one surface of the first plastic layer and expands to contact and adhere to one surface of the second plastic layer which is oriented parallel to the one surface of the first plastic layer and wherein the sprayable elastomeric polyurethane foam has a free rise density of from about 5 lb/ft | 11-04-2010 |
| 20100260941 | REINFORCED UV-A CURABLE COMPOSITE COMPOSITIONS AND METHODS - The present disclosure is directed to a process for forming a reinforced ultraviolet (UV) radiation-curable composite. The composite may be formed by applying reinforcing layers and resin layers to a substrate. The resin composition may include an aliphatic urethane acrylate oligomer, a polyfunctional acrylate monomer, and a photoinitiator. The composite formed on the substrate may be exposed to UV radiation to cure the composite on the substrate. The composite may be characterized in that it is cured within 10 minutes of exposure to UV radiation and does not exhibit oxygen inhibition effects, such as, for example, surface tack. The reinforced UV-curable composite may find utility, for example, as a rapid field repair patch in aerospace applications, among others. | 10-14-2010 |
| 20100234647 | STARTER FEED STREAM ACIDIFICATION IN DMC-CATALYZED PROCESS - The process of the present invention provides for the manufacture of lower molecular weight DMC-catalyzed polyols than is possible using non-acidified continuous addition of starter (CAOS) feeds, by adding excess acid to a starter feed stream over that required for mere neutralization of the basicity of the starter. The benefits of the invention also extend to starters which do not contain basicity. Polyether polyols made by the inventive process may be used to produce improved polyurethane products such as coatings, adhesives, sealants, elastomers, foams and the like. | 09-16-2010 |
| 20100233431 | CLEANABLE WATERBORNE POLYURETHANE COATINGS - The present invention relates to a cleanable, waterborne polyurethane dispersion comprising the reaction product of:
| 09-16-2010 |
| 20100222524 | HIGH MODULUS TRANSPARENT THERMOPLASTIC POLYURETHANES CHARACTERIZED BY HIGH HEAT AND CHEMICAL RESISTANCE - Transparent thermoplastic polyurethanes characterized by high impact resistance, high flexural modulus, high chemical resistance and a deflection temperature under load of at least 50° C. at 264 psi are produced by blending a polyurethane reaction product with from 3 to 20 parts by weight, per 100 parts by weight of total blend, of a thermoplastic polyurethane. The polyurethane reaction product is prepared from a diphenylmethane diisocyanate and at least one chain extender at an NCO/OH ratio of from 0.95:1 to 1.10:1 in the absence of any isocyanate-reactive material having a molecular weight greater than 400. | 09-02-2010 |
| 20100216903 | FOAM-FORMING SYSTEM WITH REDUCED VAPOR PRESSURE - An isocyanate-reactive composition containing a blowing agent that includes HFC 134a and water characterized by a vapor pressure which is lower than that of comparable compositions which do not include the stabilizing composition of the present invention. The stabilizing composition of the present invention includes an ethoxylated nonylphenol and propylene carbonate. This stabilizing composition is included in the isocyanate-reactive composition in an amount sufficient to promote the solubility of the blowing agent. The isocyanate-reactive composition may be stored at ambient conditions rather than under pressure and may be hand mixed with an isocyanate to produce a foam. The isocyanate-reactive composition containing blowing agent of the present invention may be used to produce foams having good physical properties after storage at ambient temperature and pressure for periods as long as 3 months. | 08-26-2010 |
| 20100124652 | Carbon dioxide blown low density, flexible microcellular polyurethane elastomers - Microcellular polyurethane flexible foams having densities no greater than 0.3 g/cc which are suitable for use as lightweight shoe sole components are produced with carbon dioxide in an amount such that the polyurethane-forming mixture has a free rise density of from about 0.03 to about 0.3 g/cc. At least a portion of that carbon dioxide is dissolved as a gas into one or both of the reaction components. The amount of dissolved carbon dioxide must be such that the froth density of the isocyanate and/or isocyanate-reactive component(s) in which the carbon dioxide is dissolved will be from about 0.1 to about 0.8 g/cc. Additional carbon dioxide may be formed by the reaction of water and isocyanate during the polyurethane-forming reaction but the total amount of CO | 05-20-2010 |
| 20100041831 | IMPACT MODIFIED POLYCARBONATE-POLYLACTIC ACID COMPOSITION - The present invention relates to a thermoplastic molding composition containing an aromatic polycarbonate, a polylactic acid and an impact modifying amount of a non-functionalized ethylene/(meth)acrylate copolymer. The inventive composition is characterized by its higher impact resistance, flexural and tensile properties than those of corresponding compositions where the copolymer is functionalized. | 02-18-2010 |
| 20090292036 | TRIMER AND ALLOPHANATE MODIFIED ISOCYANATES, A PROCESS FOR THEIR PRODUCTION, FOAMS COMPRISING THESE MODIFIED ISOCYANATES, AND A PROCESS FOR THE PRODUCTION OF THESE FOAMS - This invention relates to stable liquid, trimer and allophanate-modified isocyanates, a process for the production of these isocyanates, foams prepared from these isocyanates and a process for the production of these foams. | 11-26-2009 |
| 20090041689 | POLYURETHANE DISPERSIONS BASED ON POLYCARBONATE POLYOLS AND SUITABLE FOR USE IN PERSONAL CARE PRODUCTS - The invention relates to a process for preparing an aqueous polyurethane dispersion suitable for use in personal care products, wherein the polyurethane is based on one or more polycarbonate polyols. | 02-12-2009 |
| 20090037348 | Method of calculating and displaying premium freight costs - Methods for calculating and displaying premium freight costs are provided. The methods comprise the steps of: A) selecting a time period of interest; B) selecting all shipments occurring within the selected time period and indexing the shipments into a list; C) for each shipment in the list, evaluating whether the shipment was delivered in the optimal mode, optimal source, and/or optimal carrier, and if a non-optimal mode, source or carrier was used, calculating premium freight cost; D) if the premium freight cost is not negative, adding the premium freight cost to a lane for the non-optimal mode; and E) displaying the premium freight cost by lane on a computer screen. Information for carrying out the methods of the present invention is contained in various databases containing shipment data and optimality tables. | 02-05-2009 |
| 20080262261 | STABLE LIQUID BIURET MODIFIED AND BIURET ALLOPHANATE MODIFIED TOLUENE DIISOCYANATES, PREPOLYMERS THEREOF, AND PROCESSES FOR THEIR PREPARATION - This invention relates to stable liquid biuret modified toluene diisocyanates, prepolymers thereof, stable liquid biuret allophanate modified toluene diisocyanates, prepolymers thereof, and to processes for the preparation of these compositions. The stable liquid biuret modified toluene diisocyanates comprise a secondary amine based biuret modified TDI having an NCO group content of about 12 to about 46% by weight. | 10-23-2008 |
