From -n=c=x Reactant Or Blocked N=c=x Reactant (x Is Chalcogen) Patents (Class 524/589)
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Patent number: 8231975Abstract: A polymer having at least one urea linkage prepared by: (i) reacting (a) at least one diisocyanate, polyisocyanate, or mixture thereof, having isocyanate groups, and (b) at least one fluorinated compound selected from the formula (I): Rf(CH2CF2)p(CH2CH2)q(R1)r—XH??Formula (I) wherein p and q are each independently an integer of 1 to 3; r is 0 or 1; X is —O—, —NH— or —S—; R1 is a divalent radical selected from the group consisting of —S(CH2)n—, n is an integer of 2 to 4; s is an integer of 1 to 50; R2, R3, and R4 are each independently hydrogen or an alkyl group containing 1 to 6 carbon atoms; and Rf is a perfluoroalkyl group having 1 to 6 carbon atoms; and (i) reacting with (c) water, a linking agent, or a mixture thereof and methods for treating substrates therewith.Type: GrantFiled: September 19, 2011Date of Patent: July 31, 2012Assignee: E I du Pont de Nemours and CompanyInventors: Sheng Peng, Stephen James Getty, Timothy Edward Hopkins, Ying Wang
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Publication number: 20120183692Abstract: A protective coating for protecting a surface has a liquid applied coating having 100% solids and zero solvents and/or zero volatile organic compounds. The resulting protective coating may be clear or transparent to visible light. The liquid applied coating has two or more components that is applied to a surface as a liquid and cured in place to form a solid coating. The liquid applied coating may be cast onto a surface after mixing and spread on the surface to a final desired thickness. The liquid applied coating has a polyurea or polyurethane, or a hybrid polyurea-polyurethane. The polymeric resin system may have dendrimers or hyperbranched polyol or polyamine raw materials in the formulation. The protective coating optionally contains no polyaspartic amines.Type: ApplicationFiled: January 13, 2012Publication date: July 19, 2012Inventor: John C. BECKER, IV
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Publication number: 20120172500Abstract: Disclosed are oligomeric phosphonates including oligophosphonates, random or block co-oligo(phosphonate ester)s and co-oligo(phosphonate carbonate)s produced using a condensation process terminated with hydroxyl, epoxy, vinyl, vinyl ester, isopropenyl, isocyanate groups, and the like. These materials can be used as a reactive additive to other polymers, oligomers or monomer mixtures to impart flame resistance without diminishing melt processability which is important in the fabrication of polymers for many applications.Type: ApplicationFiled: December 22, 2011Publication date: July 5, 2012Applicant: FRX POLYMERS, INC.Inventors: Dieter Freitag, Jan-Pleun Lens, Lawino Kagumba
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Patent number: 8207286Abstract: The present invention provides methods for preparing polyurethanes from reaction components including: (a) reacting about 1 equivalent of at least one polyisocyanate; and about 0.1 to about 0.5 equivalents of at least one polyol having 2 to 18 carbon atoms to form an isocyanate functional urethane prepolymer; and (b) reacting the isocyanate functional urethane prepolymer, about 0.05 to about 1.0 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and up to about 0.9 equivalents of at least one polyol different from the branched polyol and having 2 to 18 carbon atoms, wherein the reaction components are essentially free of polyester polyol and polyether polyol, as well as methods for preparing polyurethanes using a one pot process.Type: GrantFiled: March 24, 2009Date of Patent: June 26, 2012Assignee: PPG Industries Ohio, IncInventors: Thomas G. Rukavina, Robert M. Hunia, Caroline S. Harris, Yan Wang, Veronica L. Frain
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Publication number: 20120157612Abstract: An in-mold coated article which is prepared in association with cationic-stabilized dispersions. Preferred cationic-stabilized dispersions, include cationic-stabilized polyurethane dispersions, cationic-stabilized acrylic dispersions, cationic-stabilized polyacrylamides, cationic-stabilized polyallylamines, cationic-stabilized polyetheramines, cationic-stabilized chitosans and/or combinations thereof. The present invention further provides methods for manufacturing in-mold coated articles which are prepared in association with cationic-stabilized dispersions in a consistent and/or repeatable manner.Type: ApplicationFiled: November 30, 2011Publication date: June 21, 2012Inventors: Paul Morgan, Brodie Wright
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Publication number: 20120153532Abstract: A plastic molding material contains at least one filler and a polymer resin, selected from the group made up of cyanate ester resins, epoxy novolac resins, multifunctional epoxy resins, bismaleimide resins and their mixtures. The proportion of filler in the plastic molding material is in the range of 65 to 92 wt. %, with reference to the overall mass of the plastic molding material.Type: ApplicationFiled: April 6, 2010Publication date: June 21, 2012Inventors: Irene Jennrich, Andre Zimmermann, Frieder Sundermeier
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Patent number: 8202934Abstract: Packaged viscoelastic compositions comprising viscoelastic copolymers and a packaging material are disclosed. The viscoelastic copolymers are urea copolymers, which are the reaction product of polyisocyanates and polyamines. The packaged viscoelastic compositions are hot melt processable.Type: GrantFiled: July 31, 2007Date of Patent: June 19, 2012Assignee: 3M Innovative Properties CompanyInventors: Audrey A. Sherman, Craig E. Hamer, Donald H. Lucast, Thomas E. Augustine, Wendi J. Winkler
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Publication number: 20120149828Abstract: The present invention is a chemical composition that provides a low friction coating and a low sliding coefficient of friction onto a plastic or metal working part that includes a waterborne polyisocyanate such as ureas, urethanes or tetramethylxylene diisocyanates (TMXDI) in the composition structure and a plurality of cross linkable functional groups that include carboxyl groups and hydroxyl groups that are added utilizing plasma or chemical grafting and etching and a plastic or metal chemical substrate. The composition also includes one or more materials that are single linked or multiple linked hydrogels such as polyvinylpyrrolidone (PVP), polyethylene glycol (PEG) or polyvinyl alcohol (PVA) mixed with the polyisocynate and one or more crosslinkers such as aziridines or carbodiimides that link the hydrogels, the polyisocynate and the substrate together to form the composition.Type: ApplicationFiled: March 25, 2011Publication date: June 14, 2012Inventor: David Scott Webb
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Patent number: 8198391Abstract: There is provided a pigment dispersion including water, an aqueous polymer and a pigment as essential components, wherein the aqueous polymer is a carboxyl group-containing polyurethane which is formed by reacting a diol compound, a diisocyanate compound and a reaction product, which is mainly composed of a compound represented by general formula (1) and prepared by reacting a diol compound having one or two carboxyl groups within each molecule with a diisocyanate compound and which also has a reaction index as calculated by (Formula 1) within a range from 0.95 to 1.10.Type: GrantFiled: September 16, 2009Date of Patent: June 12, 2012Assignee: DIC CorporationInventors: Kazuo Itoya, Hiroshi Kinoshita
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Publication number: 20120142831Abstract: Hydrophilic hardener compositions include at least one hydrophobic polyisocyanate, the hydrophobic polyisocyanate containing one or more allophanate functional groups, and the allophanate functional groups being present in the hardener compositions in an amount at least equal to 6 mol % relative to the total number of moles of isocyanate monomers converted in the preparation of the hardener composition, and are useful for the preparation in aqueous phase of high-gloss polyurethane coating formulations.Type: ApplicationFiled: February 14, 2012Publication date: June 7, 2012Applicant: PERSTORP FRANCEInventor: Damien BOURGEOIS
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Publication number: 20120119172Abstract: The invention relates to the use of amino terminated phosphonamides and their oligomers, as flame retardant additives for a variety of polymers to impart flame retardancy while maintaining or improving processing characteristics and other important properties.Type: ApplicationFiled: November 11, 2011Publication date: May 17, 2012Applicant: FRX POLYMERS, INC.Inventors: Dieter FREITAG, Marc-Andre LEBEL, Lawino KAGUMBA, Marc E. LEBEL, Peter S. SCHULER
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Publication number: 20120123052Abstract: The present invention relates to innovative aqueous dispersion adhesives, processes for preparing them and use thereof in the furniture and automotive industries.Type: ApplicationFiled: October 7, 2011Publication date: May 17, 2012Applicant: RHEIN CHEMIE RHEINAU GMBHInventors: Wilhelm Laufer, Peter Schuster, Christian Scheffner
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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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Patent number: 8178614Abstract: A laminate includes a backing material coated with a solvent resistant adhesive composition. The adhesive composition includes a hydroxyl or urea or hydrocarbon terminated unsaturated polyurethane or polyurethane-urea polymer and a peroxide or a silicone hydride.Type: GrantFiled: December 11, 2009Date of Patent: May 15, 2012Assignee: Momentive Performance Materials Inc.Inventors: Roy Melvin Griswold, Richard P. Eckberg, Mark J. Bisaillon, Robert L. Frye
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Publication number: 20120115975Abstract: Disclosed herein are solventborne liquid UV-curable coating compositions comprising: a radiation curable compound comprising an acrylate-terminated compound having greater than two unsaturated sites, wherein the acrylate-terminated compound comprises a reaction product of reactants comprising: an adduct of a polyisocyanate, wherein the adduct of a polyisocyanate comprises a reaction product of reactants comprising a polyisocyanate comprising greater than two isocyanate groups and a compound having groups reactive with the isocyanate groups of the polyisocyanate; and an active hydrogen-containing acrylate; and a photoinitiator composition that includes a first photoinitiator composition for providing surface cure and a second photoinitiator composition for providing through cure of the resultant coating layer. Also disclosed are related multi-component composite coatings, coated substrates, and methods for coating a substrate.Type: ApplicationFiled: November 5, 2010Publication date: May 10, 2012Inventors: Charles M. Kania, Kenneth T. Phelps, Kurt A. Humbert, Todd M. Roper, Jiping Shao, David C. Martin
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Publication number: 20120115993Abstract: The present invention relates to a pulverulent adhesive for textile reinforcing inserts, which is dispersible in water, for the production of reinforced rubber products. The adhesive thereby comprises an at least partially capped, low-molecular isocyanate, a wetting agent, a binder and also possibly further additives.Type: ApplicationFiled: November 7, 2011Publication date: May 10, 2012Applicant: EMS-PATENT AGInventor: Andreas Kaplan
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Patent number: 8173737Abstract: Adhesive, comprising silanized, structurally modified, pyrogenically prepared silicas containing on their surface fixed vinyl groups or vinylsilyl groups, with hydrophobic groups, such as trimethylsilyl and/or dimethylsilyl and/or monomethylsilyl, additionally being fixed on the surface.Type: GrantFiled: May 6, 2008Date of Patent: May 8, 2012Assignee: Evonik Degussa GmbHInventors: Mario Scholz, Juergen Meyer, Juergen Heym, Pia Buckel
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Patent number: 8173742Abstract: The invention relates to a composition and a method of preparing one such composition and an isocyanatoalkoxysilane; the polyisocyanate composition contains at least two different oligomeric compounds comprising at least three units and at most five units selected from aminoalkylsilane units and diamine units and at least one function selected from isocyanate functions and from those derived therefrom, the aforementioned compounds having at least two aminoalkylsilane units and another compound having at least two diamine units; the invention is suitable for coatings.Type: GrantFiled: November 23, 2010Date of Patent: May 8, 2012Assignee: Perstorp FranceInventors: Jean-Marie Bernard, Johannes Schwarz, Denis Revelant
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Publication number: 20120101181Abstract: A polymer polyol composition having dispersed polymer particles in a continuous phase which includes at least one polyether natural oil based polyol comprising at least two natural oil moieties separated by at least one of a molecular structure having an average of at least about 19 ether groups between any 2 of the natural oil moieties and a polyether molecular structure having an equivalent weight of at least about 400. The polymer polyol composition may be used in forming polyurethane foams.Type: ApplicationFiled: June 9, 2010Publication date: April 26, 2012Applicant: Dow Global Technologies LLCInventors: Imran Munshi, Paul Cookson
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Publication number: 20120101202Abstract: A glue composition for use in printed circuit board to secure, insulates and protect electronic components thereon is disclosed. The glue composition includes between about 60 and about 75 weight percent MDI-based polyisocyanate prepolymer, between about 9 and about 25 weight percent flame retardant without phosphorus and halogen, between about 15 and about 22 weight percent insulator and between about 1 and about 3 weight percent surfactant.Type: ApplicationFiled: October 25, 2010Publication date: April 26, 2012Inventor: Chih-Ching Chang
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Patent number: 8158717Abstract: The present invention relates to glycine derivatives as additive for an aqueous polyurethane dispersion. Said glycine derivatives can increase the fluidity of aqueous polyurethane dispersion and therefore is useful for preparation of aqueous polyurethane dispersion with high solid content. Besides, the glycine derivatives are able to significantly decrease the viscosity of aqueous polyurethane dispersion; therefore, the aqueous polyurethane dispersion with high solid content can be stored stably.Type: GrantFiled: September 11, 2009Date of Patent: April 17, 2012Assignee: Taiwan Hopax Chems. Mfg. Co., Ltd.Inventor: Ching-Tzer Huang
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Patent number: 8151848Abstract: A tire includes at least one outer structural element, wherein the at least one outer structural element is at least partially coated by at least one colored coating layer including a colored composition including (a) 5% by weight to 50% by weight with respect to the total weight of the dry colored composition, of at least one crosslinked polymeric compound obtained by reacting (a1) at least one thermoplastic polyurethane with (a2) at least one polyisocyanate; (b) 10% by weight to 80% by weight with respect to the total weight of the dry colored composition, of at least one thermoplastic polymeric compound having a glass transition temperature higher than or equal to 20° C., and (c) 3% by weight to 50% by weight, with respect to the total weight of the dry colored composition, of at least one coloring agent. Preferably, the at least one structural element is at least one of the tire sidewalls.Type: GrantFiled: December 21, 2005Date of Patent: April 10, 2012Assignee: Pirelli Tyre S.p.A.Inventors: Fabio Negroni, Mauro Paolo Soatto, Paolo Massimino
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Patent number: 8153711Abstract: The present disclosure relates to a sag control composition consisting essentially of the reaction product of an amine and a polyisocyanate and polytrimethylene ether diol. The sag control composition can be used for providing further compositions that have excellent sag resistance, especially on vertical surfaces. The sag control composition can also provide compositions having a relatively lower content of organic solvent when compared to previously known sag control compositions.Type: GrantFiled: March 3, 2011Date of Patent: April 10, 2012Inventors: Ayumu Yokoyama, Rajesh Gopalan Saliya, Hari Babu Sunkara
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Publication number: 20120083554Abstract: 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.Type: ApplicationFiled: September 30, 2010Publication date: April 5, 2012Applicant: Bayer MaterialScience LLCInventors: George Combs, Nigel Barksby, Jeffrey F. Dormish
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Patent number: 8148462Abstract: Disclosed is an aqueous polyurethane obtained by reacting a sulfonate containing a hydrophilic group represented by the following general formula (1): (in which M represents an alkali metal atom or an ammonium, and p represents an integer of 2 to 20) and an amino group with a polyurethane prepolymer having an isocyanate group at an end thereof, characterized in that the hydrophilic group represented by the general formula (1) bonds with a urea bond moiety of the polyurethane.Type: GrantFiled: July 6, 2007Date of Patent: April 3, 2012Assignee: Tosoh CorporationInventor: Takao Kamohara
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Patent number: 8148460Abstract: A liquid rheological aid comprising at least one urea derivative preparable which is the reaction product of at least one compound having at least one isocyanate group and at least one co-reactant selected horn primary and secondary monoamines and polyamines and water reacted in the presence of organobismuth catalyst, process for the preparation thereof and its use.Type: GrantFiled: September 21, 2004Date of Patent: April 3, 2012Assignee: BASF Coatings GmbHInventors: Christina Alpert, Heinz-Peter Rink
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Patent number: 8148461Abstract: A composition and method of associating stabilizer functionalities with latex particulates is provided. The composition can comprise a latex particulate configured for inclusion in an ink-jet ink to provide improved humidfastness of an image printed by the ink-jet ink, wherein the latex particulate has a molecular weight from 10,000 Mw to 10,000,000 Mw, and has a particle size from 10 nm to 2 ?m; and an image stabilizer configured for improving lightfastness of the image, wherein the image stabilizer is bound to the latex particulate. The method can comprise the steps of coupling a polymerizable monomer with a stabilizing agent reactive with the polymerizable monomer, thereby forming a precursor stabilizer-containing monomer; polymerizing the precursor stabilizer-containing monomer to form a latex particulate; and decoupling the stabilizing agent from the latex particulate.Type: GrantFiled: November 6, 2007Date of Patent: April 3, 2012Assignee: Hewlett-Packard Development Company, L.P.Inventors: Kent Vincent, Sivapackia Ganapathiappan
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Publication number: 20120077912Abstract: The present disclosure is directed to a polyester having renewable 1,3-propanediol. This invention is further directed to a coating composition comprising the polyester having components derived from renewable resources.Type: ApplicationFiled: September 28, 2010Publication date: March 29, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Hari Babu Sunkara, Rajesh Gopalan Saliya, Ayumu Yokoyama
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Patent number: 8143345Abstract: Fluorinated polyurethanes and methods of making the same are provided. The fluorinated polyurethanes are useful for making polyurethane coating compositions for use in aerospace and other applications. The method includes a “split process” by which a hydroxypolyalkylenoxy derivative of a perfluoropolyoxyalkane is separately reacted with isocyanate to produce an isocyanate-terminated compound. The isocyanate-terminated compound is then reacted with an emulsifier to produce an acid- and hydroxyl-functional compound. The acid- and hydroxyl-functional compound is then reacted with isocyanate to form an acid-functional, isocyanate-terminated compound. The acid-functional, isocyanate-terminated compound is then reacted with at least one polyol to produce a higher molecular weight, acid- and hydroxyl-functional compound. Finally, the acid functional groups of the high molecular weight, acid- and hydroxyl-functional compound are neutralized to form a fluoro-urethane salt which is dispersed in water.Type: GrantFiled: December 8, 2008Date of Patent: March 27, 2012Assignee: PRC DeSoto International, Inc.Inventor: Razmik Boghossian
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Publication number: 20120071577Abstract: The invention relates to the use of 2,5-diisocyanato-1,4:3,6-dianhydro-2,5-dideoxy-D-manitol (I), 2,5-diisocyanato-1,4:3,6-dianhydro-2,5-dideoxy-D-glucitol (II), and/or 2,5-diisocyanato-1,4:3,6-dianhydro-2,5-dideoxy-L-iditol (III).Type: ApplicationFiled: April 23, 2010Publication date: March 22, 2012Applicant: EVONIK DEGUSSA GmbHInventors: Jan Pfeffer, Martina Ortelt, Emmanouil Spyrou, Thomas Haas, Uwe Korek, Harald Schmidt, Uwe Dingerdissen
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Patent number: 8137813Abstract: A coating composition is disclosed comprising polyurea formed from a reaction mixture comprising isocyanate and a triamine/aspartate reaction product resulting from a Michael addition reaction of a triamine with a dialkyl maleate and/or a dialkyl fumarate. The reaction product has a viscosity of less than 2000 cPs, and the triamine has the structure: wherein each n is the same or different and is any integer. Substrates coated with these polyurea coatings comprising this reaction product are also disclosed.Type: GrantFiled: April 15, 2011Date of Patent: March 20, 2012Assignee: PPG Industries Ohio, Inc.Inventors: Howard Senkfor, Thomas R Hockswender, Steven V. Barancyk, Jonathan T. Martz, Steven R. Zawacky
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Patent number: 8138258Abstract: An automotive clear coating composition includes a hydroxyl group-containing acrylic resin obtained using hydroxyalkyl(meth)acrylate having a hydroxyalkyl group having 4-9 carbon atoms as at least a part of its monomer; and a polyfunctional isocyanate compound in which at least a part thereof is an isocyanurate type isocyanate compound. The prepared composition has 25 to 50 mass % of a soft segment part with respect to a total solid content of such acrylic resin and the polyfunctional isocyanate compound, and a ratio of a soft segment part derived from a lactone-containing monomer with respect to the total solid content of such acrylic resin and the polyfunctional isocyanate compound of not more than 4.5 mass %. A cured coating film has a dynamic glass transition temperature within a range of 30 to 60° C. The soft segment part is represented by —CH2)n— wherein n represents an integer of 4 or more.Type: GrantFiled: December 22, 2005Date of Patent: March 20, 2012Assignees: Nippon Paint Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Hideaki Tsujioka, Junji Shimada, Hisaki Tanabe, Mirei Kato, Yoshinori Narita
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Publication number: 20120058345Abstract: Low-gloss flexible clear coast can include a base formula that includes a base resin and a cross-linker, a silica-based flattener, wherein the silica-based flattener comprises from 5 parts by weight per 100 parts by weight of the base formula to 20 parts by weight per 100 parts by weight of the base formula, one or more flattener enhancing agents, wherein the one or more flattener enhancing agents comprise 0.25 parts by weight per 100 parts by weight of the base formula to 5 parts by weight per 100 parts by weight of the base formula, and possess 90° flexibility and a 60° gloss finish from 22 gloss units to 34 gloss units.Type: ApplicationFiled: September 8, 2010Publication date: March 8, 2012Applicants: NB Coatings, Inc., Toyota Motor Engineering & Manufacturing North America, Inc.Inventors: Yuko Nagata Gidcumb, Scott Dale Kubish, Joe Mecozzi, Makoto Imai
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Patent number: 8128998Abstract: Ultrafine zinc oxide can initiate hardening of polyurethane coatings and decrease the coating tack-free time. The decreased tack-free times facilitate earlier application of additional polyurethane layers and earlier return of a coated article to service, and can provide improved floor finishes.Type: GrantFiled: January 12, 2004Date of Patent: March 6, 2012Assignee: Ecolab USA Inc.Inventors: Minyu Li, Robert D. P. Hei, Mark D. Levitt, Lauren K. Carlson
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Patent number: 8129568Abstract: A composition comprising a compound of formula (I) or (II): wherein r and q are independently integers of 1 to 3; Rf is linear or branched chain perfluoroalkyl group having 1 to 6 carbon atoms; j is an integer 0 or 1, or a mixture thereof, x is 1 or 2, Z is —O— or —S—, X is hydrogen or M, and M is an ammonium ion, an alkali metal ion, or an alkanolammonium ion is disclosed.Type: GrantFiled: April 25, 2011Date of Patent: March 6, 2012Assignee: E.I. du Pont de Nemours and CompanyInventors: Sheng Peng, Stephen James Getty, Xianjun Meng
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Patent number: 8129567Abstract: A composition which provides surface effects to substrates comprising a polymer containing at least one urea linkage prepared by (i) reacting (1) at least one organic diioscyanate, polyisocyanate, or mixture thereof, and (2) at least one fluorochemical compound of Formula I Rf—O(CF2CF2)r(CH2CH2)q(R1)sXH??Formula (I) wherein Rf is a linear or branched C1 to C7 perfluoroalkyl optionally interrupted by one to three oxygen atoms, r is 1 to 3, q is 1 to 3, s is 0 or 1, X is O, S, or NR2 wherein R2 is H, or C1 to C6 alkyl, and R1 is a divalent radical selected from —S(CH2)n—, p is 1 to 50, and R3, R4 and R5 are each independently H or C1 to C6 alkyl; (ii) and then reacting with (3) water, a linking agent, or a mixture thereof.Type: GrantFiled: April 25, 2011Date of Patent: March 6, 2012Assignee: E.I. du Pont de Nemours and CompanyInventors: Sheng Peng, Stephen James Getty, Timothy Edward Hopkins, Ying Wang
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Publication number: 20120041142Abstract: The present invention relates to novel hydrophilic polyisocyanates which are modified by way of nanoparticles, to a method for producing the same and to the use thereof as a starting component for producing polyurethane plastics, in particular as cross-linkers for water-soluble or water-dispersible lacquer binders or binder components, having groups which can react with isocyanate groups, and to the use thereof in coating agents and adhesives.Type: ApplicationFiled: March 23, 2010Publication date: February 16, 2012Inventors: Arno Nennemann, Oliver Pyrlik, Hans-Josef Laas
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Publication number: 20120029144Abstract: The present invention relates to new, urethane-group-containing polyisocyanates based on aliphatic and/or cycloaliphatic diisocyanates, and to their use.Type: ApplicationFiled: July 28, 2011Publication date: February 2, 2012Applicant: BASF SEInventors: Oihana Elizalde, Frederic Lucas, Angelika Maria Steinbrecher, Lydie Tuchbreiter
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Publication number: 20120016073Abstract: A process for the preparation of an allophanate of one or more identical or different isocyanates, compositions obtained by the process, and uses of the compositions are disclosed. The process comprises reacting an isocyanate with at least one monoalcohol comprising an ether or polyether functional group in the presence of a bismuth-comprising catalyst and a metal compound as co-catalyst.Type: ApplicationFiled: December 8, 2009Publication date: January 19, 2012Applicant: Perstorp FranceInventors: Jean-Marie Bernard, Johannès Schwarz, Philippe Olier
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Patent number: 8097675Abstract: Isocyanate mixtures comprising: (a) NCO prepolymers having an NCO content of 1.5 to 18 wt. %; and (b) 1 to 40 wt. % of monomeric 2,2?-diisocyanatodiphenylmethane, based on the isocyanate mixture; wherein the isocyanate mixture has a total NCO content of from 2 to 22 wt. %; polyisocyanate polyaddition products prepared therefrom; and methods of making the same.Type: GrantFiled: March 26, 2009Date of Patent: January 17, 2012Assignees: Bayer MaterialScience AG, Polytex Sportbelage Produktions GmbHInventors: Zdenka Finder, Jens Krause, Friedhelm Faehling, Manfred Schmidt, Dirk Wegener
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Publication number: 20120004338Abstract: The present invention provides a method of forming a polymer, the method comprising reacting a first species comprising at least one isocyanate group with a second species comprising at least one aziridine group to form the polymer.Type: ApplicationFiled: December 18, 2009Publication date: January 5, 2012Applicant: Adbruf Ltd.Inventor: Duncan Hywel-Evans
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Patent number: 8088862Abstract: The invention relates to stable dispersions of inorganic nanoparticles, comprising inorganic nanoparticles in a dispersion medium, the dispersions being admixed with at least one stabilizer from the group of (i) modified, more particularly hydrophobically modified, preferably urea-modified polyurethanes and (ii) modified ureas, more particularly urea urethanes, and also mixtures and/or combinations thereof, and also to the use of these dispersions.Type: GrantFiled: April 20, 2009Date of Patent: January 3, 2012Assignee: BYK-Chemie GmbHInventors: Jorg Reimann, Carsten Nagel, Janin Tecklenburg
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Publication number: 20110315914Abstract: A nanocomposite with high dielectric constant includes both ferroelectric with non-ferroelectric fillers. This may improve, not only the dielectric constant of the nanocomposite but also provide additional thermal, electrical, optical, mechanical, or chemical properties to the nanocomposite for specific applications.Type: ApplicationFiled: June 29, 2011Publication date: December 29, 2011Applicant: PIXELLIGENT TECHNOLOGIES, LLCInventors: ZHIYUN CHEN, JUN XU, BRIAN L. WEHRENBERG, ZEHRA SERPIL GONEN-WILLIAMS, GREGORY D. COOPER
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Patent number: 8080609Abstract: The invention is a composition comprising a) one or more prepolymers having on average three or more aliphatic isocyanate groups and further containing alkoxysilane groups; b) one or more aromatic polyisocyanates; c) one or more compounds having at least one heterocyclic ring which hydrolyzes when exposed to moisture to form at least one isocyanate reactive group; d) one or more solvents; and e) one or more amine and/or organometallic polyurethane catalysts; wherein the ratio of aromatic isocyanate groups to aliphatic isocyanate groups in the composition is from about 0.5:1.0 to about 1.5:1.0, preferably about 0.9:1.0 to about 1.5:1.0, and the equivalent ratio of isocyanate groups to isocyanate reactive groups derivable from the one or more compounds having at least one hydrolyzable heterocylic ring is from about 0.8:1.0 to about 5.3:1.0, and most preferably about 1.5:1.0 to about 1.7:1.0.Type: GrantFiled: October 29, 2009Date of Patent: December 20, 2011Assignee: Dow Global Technologies LLCInventor: Stefan Schmatloch
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Publication number: 20110306709Abstract: The present invention provides a primer composition for sealant in which the coating quality can be visually inspected and which can sufficiently fade on exposure to the light. The primer composition for sealant use comprises (A) a binder resin and (B) one type or two or more types of pigment selected from the group composed of curcumin pigment, monascus pigment, chlorophyll, paprika pigment, marigold pigment and caramel pigment.Type: ApplicationFiled: February 22, 2010Publication date: December 15, 2011Inventors: Tomoyuki Torii, Kiyoshi Nakayama, Yoshimitsu Nakayama, Takehiko Nakamura, Masaaki Murase
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Patent number: 8076445Abstract: A composition comprising a carbodiimide and a polymer, wherein the carbodiimide comprises a reaction product of a) at least one of an aliphatic C4 to C20 polyisocyanate and an araliphatic C4 to C20 polyisocyanate, b) at least one of a hydroxy carboxylic acid and a hydroxy carboxylic salt, c) optionally, a further compound carrying groups able to react with isocyanate groups in an addition reaction, d) optionally, at least one other isocyanate, and the carbodiimide units being derived essentially exclusively from the isocyanate groups of component a), and the polymer comprises a reaction product of an ethylenically unsaturated carboxylic acid and at least one of a (meth)acrylate, a vinyl ester of a carboxylic acid, a vinyl aromatic compound, an ethylenically unsaturated nitrile, a vinyl halide, an aliphatic hydrocarbon, and a free-radically polymerizable monomer. Also, a method of applying the composition on and/or in a substrate.Type: GrantFiled: February 21, 2003Date of Patent: December 13, 2011Inventors: Robert Shane Porzio, Karl Häberle, Jacob Wildeson, Martin Jung, Norbert Willenbacher, Lars Börger
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Publication number: 20110293898Abstract: Provided is a pretreatment liquid used when a fabric is pretreated before ink is printed on the fabric, the liquid including water, polyvalent metal ions and first fine polymer particles, wherein the first fine polymer particles are crosslinkable polyurethane and/or crosslinkable polyurethane-polyurea and have a glass transition temperature of ?10° C. or lower and a particle diameter as determined by a light scattering method of 30 nm to 5 ?m.Type: ApplicationFiled: May 23, 2011Publication date: December 1, 2011Inventors: Masahiro YATAKE, Makoto Nagase
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Patent number: 8063138Abstract: A process for preparing polyester-polyurethane resin dispersions comprising: A) reacting i) one or more polyol components having a number average molecular weight of at least 300 daltons, at least 60% by weight of component i) being a polyester polyol with the fraction of aromatic carboxylic acid groups relative to all of the carboxylic acid groups used to prepared said polyester polyol being at least 60 mol %, ii) optionally one or more polyol components having a number average molecular weight of 62 to 299 daltons, and iii) optionally a compound which is monofunctional for the purposes of the isocyanate polyaddition reaction and has an ethylene oxide content of at least 50% by weight and a number average molecular weight of at least 400 daltons, with iv) a polyisocyanate to form a prepolymer, B) dissolving the prepolymer in an organic solvent, C) reacting the prepolymer with v) one or more aliphatic and/or alicyclic primary and/or secondary polyamines having a number average molecular weight of 60 toType: GrantFiled: July 11, 2007Date of Patent: November 22, 2011Assignee: Bayer MaterialScience AGInventors: Thomas Münzmay, Torsten Pohl, Uwe Klippert
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Patent number: 8062709Abstract: A process for preparing polyurethane carpet backings uses a filled polyurethane-forming composition that contains a mixture of certain metal acetylacetonate and sulfur-containing organotin catalysts. The mixture of catalysts is particularly beneficial in instances where the composition is processed at temperatures of above 30 to about 500 C, as long pot life is provided together with a rapid thermally-induced cure.Type: GrantFiled: March 19, 2007Date of Patent: November 22, 2011Assignee: Dow Global Technologies LLCInventor: Randall C. Jenkines
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Publication number: 20110281972Abstract: The present invention relates to powder coating compositions and to components and ingredients for incorporation therein, suitable for low temperature curing schedule and with excellent resistance to outside aging. The powder coating composition can be cured at a temperature from 140° C. to lead to a coating with excellent flow and high gloss.Type: ApplicationFiled: December 14, 2009Publication date: November 17, 2011Inventors: Damiano Beccaria, Imir Bejko, Andrea Capra, Irene Panero, Alessandro Munari