Patents Assigned to Bayer MaterialScience LLC
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Publication number: 20130023599Abstract: The present invention provides polyurethane foams and elastomers made with an alkoxylated vegetable oil hydroxylate replacing at least a portion of the typically used petroleum-based polyol(s). Also provided are processes for making the inventive foams and elastomers and for making alkoxylated vegetable oil hydroxylates. The alkoxylated vegetable oil hydroxylates are environmentally-friendly, bio-based polyols which advantageously also offer the potential of improved hydrophobicity in polyurethane foams and elastomers. The inventive polyurethane foams and elastomers may find use in a wide variety of products such as automobile interior parts, polyurethane structural foams, floor coatings and athletic running tracks.Type: ApplicationFiled: September 26, 2012Publication date: January 24, 2013Applicant: Bayer MaterialScience LLCInventors: Yu-Ling Hsiao, Richard G. Skorpenske, Bryan D. Kaushiva, Kenneth G. McDaniel, Jose F. Pazos, Stanley L. Hager, Karl W. Haider
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Patent number: 8354151Abstract: Aqueous polyurethane coating compositions are disclosed in this specification. The aqueous polyurethane coating compositions contain a polycarbonate-polyurethane resin component, an aminoplast resin component, and a polyester polyol component.Type: GrantFiled: July 6, 2011Date of Patent: January 15, 2013Assignees: Bayer MaterialScience LLC, Bayer MaterialScience AGInventors: Ramesh Subramanian, Raymond Stewart, Abdullah Ekin, Torsten Pohl
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Publication number: 20130011590Abstract: Aqueous polyurethane coating compositions are disclosed in this specification. The aqueous polyurethane coating compositions contain a polycarbonate-polyurethane resin component, an aminoplast resin component, and a polyurethane polyol component.Type: ApplicationFiled: July 6, 2011Publication date: January 10, 2013Applicants: Bayer MaterialScience AG, Bayer MaterialScience LLCInventors: Ramesh Subramanian, Raymond Stewart, Abdullah Ekin, William Corso, Larry Smedley, Torsten Pohl
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Publication number: 20130011591Abstract: Aqueous polyurethane coating compositions are disclosed in this specification. The aqueous polyurethane coating compositions contain a polycarbonate-polyurethane resin component, an aminoplast resin component, and a polyacrylic polyol component.Type: ApplicationFiled: July 6, 2011Publication date: January 10, 2013Applicant: Bayer MaterialScience LLCInventors: Abdullah Ekin, Raymond Stewart, Ramesh Subramanian, Torsten Pohl
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Publication number: 20130011592Abstract: Aqueous polyurethane coating compositions are disclosed in this specification. The aqueous polyurethane coating compositions contain a polycarbonate-polyurethane resin component, an aminoplast resin component, and a polyester polyol component.Type: ApplicationFiled: July 6, 2011Publication date: January 10, 2013Applicants: Bayer MaterialScience AG, Bayer MaterialScience LLCInventors: Ramesh Subramanian, Raymond Stewart, Abduallah Ekin, Torsten Pohl
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Patent number: 8343601Abstract: Aqueous polyurethane coating compositions are disclosed in this specification. The aqueous polyurethane coating compositions contain a polycarbonate-polyurethane resin component, an aminoplast resin component, and a polyacrylic polyol component.Type: GrantFiled: July 6, 2011Date of Patent: January 1, 2013Assignees: Bayer MaterialScience LLC, Bayer MaterialScience AGInventors: Abdullah Ekin, Raymond Stewart, Ramesh Subramanian, Torsten Pohl
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Publication number: 20120319031Abstract: The present invention provides a composition containing about 90% to about 30% of at least one amorphous thermoplastic or at least one semi crystalline thermoplastic or a mixture thereof and about 10% to about 70% of expanded graphite, wherein about 90% of the particles of the expanded graphite have a particle size of at least about 200 microns. The inventive compositions may find use in LED heat sink applications.Type: ApplicationFiled: June 15, 2011Publication date: December 20, 2012Applicants: Thermal Solution Resources, LLC, Bayer MaterialScience LLCInventors: Xiangyang Li, Mikhail Sagal
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Publication number: 20120256139Abstract: The present invention provides a conductive, curable coating made from about 0.01 wt. % to about 5 wt. %, of multi-walled carbon nanotubes, having a diameter of greater than about 4 nm, about 10 wt. % to about 99 wt. % of an aliphatic urethane acrylate and about 0.1 wt. % to about 15 wt. % of a photoinitiator, wherein the coating is curable by exposure to radiation and wherein the cured coating has a surface resistivity of about 102?/? to about 1010?/?. A process for the production of such coatings is also provided. There are many applications where carbon nanotubes in a radiation curable coating may enhance properties other than conductivity, such as physical and thermal properties.Type: ApplicationFiled: April 8, 2011Publication date: October 11, 2012Applicant: Bayer MaterialScience LLCInventors: Robert N. Hunt, Charles Todd Williams
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Publication number: 20120258302Abstract: The present invention relates to a flexible sensing material made from (a) at least one flexible polymeric layer and (b) at least one conductive, curable coating layer containing about 0.01 wt. % to about 5 wt. % of multi-walled carbon nanotubes having a diameter of greater than about 4 nm, about 10 wt. % to about 99 wt. % of an aliphatic urethane acrylate and about 0.1 wt. % to about 15 wt. % of a photoinitiator, wherein the weight percentages are based on the weight of the formulation, wherein the coating layer is curable by exposure to radiation and wherein the cured coating layer has a surface resistivity of about 102?/? to about 1010?/?. The inventive sensing material may prove useful for sensing one or more of pressure, temperature and moisture and find use in a wide variety of applications.Type: ApplicationFiled: April 8, 2011Publication date: October 11, 2012Applicant: Bayer MaterialScience LLCInventors: Robert N. Hunt, Charles Todd Williams
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Publication number: 20120245286Abstract: A polyurethane-forming system having a viscosity at 25° C. of less than 600 mPas for at least 30 minutes, a gel time at ambient temperature of greater than 60 minutes and a water content of less than 0.06% by weight, based on total system weight, is used to produce composites by a vacuum infusion process. This system makes it possible to produce large composites such as wind turbine blades having excellent physical properties.Type: ApplicationFiled: March 25, 2011Publication date: September 27, 2012Applicant: Bayer MaterialScience LLCInventor: Usama E. Younes
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Publication number: 20120234204Abstract: The present invention provides a process for the production of functionalized carbon nanotubes. The inventive process for the production of functionalized carbon nanotubes involves reacting carboxylic acid moieties of oxidized carbon nanotubes with vapors of a compound containing carboxylic acid reactive groups to produce functionalized carbon nanotubes. The present invention also provides a composition made from a plastic resin and functionalized carbon nanotubes produced by reacting carboxylic acid moieties of oxidized carbon nanotubes with a vapor containing carboxylic acid reactive groups to produce functionalized carbon nanotubes. The inventive process is useful with single-walled carbon nanotubes, double-walled carbon nanotubes and multi-walled carbon nanotubes.Type: ApplicationFiled: March 17, 2011Publication date: September 20, 2012Applicants: Bayer MaterialScience AG, Bayer MaterialScience LLCInventors: Serkan Unal, Robert N. Hunt, Heiko Hocke
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Publication number: 20120201982Abstract: The present invention relates to an aqueous polyurethane coating composition comprising: 1) 1 to 99 wt. % of the reaction product of: a) a polyol component, which is soluble or dispersible in water and is the reaction product of a polyisocyanate component containing 50 to 100 wt. % of an aliphatic diisocyanate, a polyol component containing one or more polyether polyols and having an OH number of 25 to 350 mg KOH/g solids and an isocyanate-reactive component containing at least one group capable of salt formation; and b) polyisocyanate component, which is soluble or dispersible in water, has blocked isocyanate groups and is the reaction product of one or more polyisocyanates having an isocyanurate group content of 0 to 30 wt. %, a reversible, monofunctional blocking agent for isocyanate groups, a nonionic hydrophilic component and a stabilizing component which has 1 to 2 hydrazide groups and a molecular weight of 74 to 300 g/mol; and 2) 1 to 99 wt.Type: ApplicationFiled: August 18, 2010Publication date: August 9, 2012Applicant: Bayer MaterialScience LLCInventors: Raymond Stewart, Scott A. Grace, Dennis Postupack, Louis Mattos, JR., Ramesh Subramanian, Abdullah Ekin, Sterling L. Steward, Christopher R. Mubarak
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Patent number: 8217101Abstract: A thermoplastic molding composition characterized by its flame retardance is disclosed. The composition contains A) aromatic poly(ester) carbonate having a weight-average molecular weight of at least 25,000, B) (co)polyester and C) graft (co)polymer having a core-shell morphology, comprising a grafted shell that contains polymerized alkyl(meth)acrylate and a composite rubber core that contains interpenetrated and inseparable polyorganosiloxane and poly(meth)alkyl acrylate where the weight ratio of polyorganosiloxane/poly(meth)alkylacrylate/grafted shell is 70-90/5-15/5-15, D) phosphorus-containing compound, E) fluorinated polyolefin and F) boron compound having average particle diameter of 2 to 10 microns.Type: GrantFiled: March 2, 2007Date of Patent: July 10, 2012Assignee: Bayer MaterialScience LLCInventor: Xiangyang Li
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Publication number: 20120160437Abstract: The present invention relates to a process for the production of sized and/or wet-strength papers, paperboards or cardboards, wherein an aqueous radiation-curable dispersion containing water and at least one polymer, characterized in that the polymer contains cationic groups, is mixed with suspended wood pulp and/or chemical pulp and this mixture is sieved, pressed, thermally dried and then radiation-cured, characterized in that the dispersion is employed in amounts, based on its non-aqueous content in relation to the solid content of the wood pulp and/or chemical pulp, of from 0.001 to 10 wt. %, the papers, paperboards and cardboards produced by this process, and compositions comprising suspended wood pulp and/or chemical pulp and an aqueous radiation-curable dispersion containing at least one polymer, characterized in that the polymer contains cationic groups.Type: ApplicationFiled: December 22, 2010Publication date: June 28, 2012Applicants: Bayer MaterialScience AG, Bayer MaterialScience LLCInventors: Stefan Sommer, Erhard Luehmann, Serkan Unal, Michael J. Dvorchak
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Patent number: 8206463Abstract: A process for making a colored article of manufacture is disclosed. Accordingly an article of manufacture is first prepared of a material selected from the group consisting of metal, wood, glass, ceramic, masonry and polymeric materials. A polymeric coating (superstrate) is then applied to at least a portion of the surface of the article. At least a portion of the superstrate is brought into contact with a material system that contains (i) water, (ii) a carrier, (iii) a dye and (iv) a diol, under conditions calculated to bring about diffusion of said dye into said superstrate.Type: GrantFiled: May 4, 2006Date of Patent: June 26, 2012Assignee: Bayer MaterialScience LLCInventors: Mark W. Witman, Robert A. Pyles, Rick L. Archey, Joseph D. Ventura
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Patent number: 8188208Abstract: This invention relates to solid elastomers which exhibit reduced dimensional shrinkage, and to a process for the production of these elastomers. These elastomers comprise the reaction product of a polyisocyanate component or prepolymer, with an isocyanate-reactive component comprising a high molecular weight component having an EO cap having less than 17% by wt., a chain extender and optionally, a crosslinker, in the presence of at least one catalysts. These solid elastomers are produced via the reaction injection molding process in a closed mold, preferably at an isocyanate index of about 70 to about 130.Type: GrantFiled: January 13, 2005Date of Patent: May 29, 2012Assignee: Bayer MaterialScience LLCInventors: Stephen J. Harasin, William D. Keller, Jr.
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Patent number: 8178591Abstract: 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 CO2 present should be controlled to ensure that the polyurethane-forming mixture has a free rise density of from about 0.03 to 0.3 g/cc.Type: GrantFiled: January 19, 2010Date of Patent: May 15, 2012Assignees: Bayer MaterialScience LLC, Bayer MaterialScience AGInventors: Usama E. Younes, David M. Baily, Charles R. Carpenter
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Patent number: 8178204Abstract: A coating composition is provided. The composition comprises as component I, a) a polyaspartic acid ester comprising the reaction product of one more diamines, one or more difunctional acrylate-containing compounds and one or more maleic/fumaric acid esters; b) at least one moisture scavenger; c) at least one deaerator; d) at least one plasticizer; and e) optionally additives; and as component II, one or more polyisocyanates. Methods of making and applying the composition to a substrate are also provided. The coating is particularly suitable for use as a gel coat.Type: GrantFiled: June 2, 2008Date of Patent: May 15, 2012Assignee: Bayer MaterialScience LLCInventors: Myron W. Shaffer, John P. Forsythe, Leone Hermans-Blackburn, Amy S. Wylie, Aaron A. Lockhart, Emery Yuhas, Roy B. Clemens
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Publication number: 20120085961Abstract: 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.Type: ApplicationFiled: October 12, 2010Publication date: April 12, 2012Applicant: Bayer MaterialScience LLCInventors: Marina Rogunova, Bruce D. Lawrey, Charles David Siler, Jose Chirino
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Patent number: RE43616Abstract: A thermoplastic molding composition that releases upon burning a limited amount of smoke is disclosed. The composition includes 95 to 60 percent aromatic (co)polycarbonate, 5 to 40 percent bromine-substituted oligocarbonate, and 0.04 to 0.2 percent alkali or alkaline-earth salt of perfluoroalkane sulfonic acid, the percents all occurrences being relative to the weight of the composition.Type: GrantFiled: May 2, 2011Date of Patent: August 28, 2012Assignee: Bayer MaterialScience LLCInventors: James Y. J. Chung, Rudiger Gorny