With Organic Nitrogen Reactant Which Contains Two Nh, =nh, Or Hnh Groups Patents (Class 528/61)
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Patent number: 12077630Abstract: Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant and at least one catalyst, at least one acetoacetate ester or amide and at least one aminoalcohol or alkylhydroxylamine. Foams so produced emit low levels of formaldehyde, acetaldehyde and propionaldehyde.Type: GrantFiled: August 2, 2018Date of Patent: September 3, 2024Assignee: Dow Global Technologies LLCInventors: Zhengming Tang, Hongliang Chen, Jian Zou, Shaoguang Feng, Steven Zhang, Degang Zhang, Ping Zhang
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Patent number: 12030978Abstract: The present invention is directed to a reactive dye-dyeable polyurethane-urea elastic yarn including a reaction product of at least two polyols, a diisocyanate compound, a diamine chain extender, an amine chain terminator, and a diethylenetriamine compound, wherein one of the polyols is polyethylene glycol, which is included in an amount of 20 to 30.0 mol % based on the total amount of the polyols, a polyurethane-urea polymer includes 10 meq/kg to 45 meq/kg of primary amine ends, and the capping ratio (CR) of the diisocyanate to the polyols is 1.8 to 2.0.Type: GrantFiled: September 25, 2020Date of Patent: July 9, 2024Assignee: Hyosung TNC CorporationInventors: Ji Young Kang, Yeon Soo Kang, Tae Heon Kim, Seong Bin Cho
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Patent number: 11866618Abstract: A novel primerless adhesive composition with unique properties in automotive related applications, particularly in glass bonding applications; the process of making thereof.Type: GrantFiled: December 21, 2017Date of Patent: January 9, 2024Assignee: DUPONT SPECIALTY PRODUCTS USA, LLCInventors: Dietmar Golombowski, Andreas Lutz, Stefan Schmatloch
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Patent number: 11633908Abstract: The present disclosure relates generally to curable resins, in particular latent cure resins, and related methods for use in an additive fabrication (e.g., 3-dimensional printing) device.Type: GrantFiled: March 1, 2019Date of Patent: April 25, 2023Assignee: Formlabs, Inc.Inventors: Maximilian Zieringer, Alpay Kimyonok
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Patent number: 11629437Abstract: The present invention relates to a polyurethane urea elastic yarn having improved dyeability and a manufacturing method therefor. Through a process of forming a prepolymer by mixing polyethyleneglycol with polyol and then adding diisocyanate to the same in a prepolymer manufacturing step during the manufacture of a polyurethane urea elastic yarn, the hydrophilicity of the polyurethane urea elastic yarn is improved such that the accessibility of an acid dye is enhanced, thereby enabling the dyeability of the polyurethane urea elastic yarn to be enhanced and an advantage of dye color deepening of a fabric, in which nylon and a polyurethane urea elastic yarn are knitted together, to be expected.Type: GrantFiled: September 21, 2018Date of Patent: April 18, 2023Assignee: Hyosung TNC CorporationInventors: Tae Heon Kim, Ho Young Jeong, Yeon Soo Kang
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Patent number: 11566097Abstract: A chemical composition for a degradable polymeric material includes an isocyanate terminated polyester prepolymer, including prepolymer units as a main chain with a plurality of isocyanates at ends of the main chain, and a cross-linking agent. The isocyanate terminated polyester prepolymer has a structural formula as follows: ONC—R?—NH—[—CO—R—R??-]n-NH—R?—CNO, wherein R?? is selected from a group consisting of —O— and —CO—O—R?—O—, wherein R, R? and R? are an aryl group or alkyl group and wherein n is a number of prepolymer units corresponding to length of the main chain. The composition degrades at a rate and at a delay depending on temperature and the composition for a component of a downhole tool. The composition has strength and elasticity for a component of a downhole tool.Type: GrantFiled: February 13, 2020Date of Patent: January 31, 2023Assignees: CNPC USA CORP., BEIJING HUAMEI INC.Inventors: Jiaxiang Ren, Peng Cheng, Xu Wang
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Patent number: 11549038Abstract: A two-component composition is described which comprises A) an isocyanate component comprising an isocyanate-terminated urethane prepolymer, B) a water component comprising water, and at least one latent amine hardener in component A). The two-component composition of the invention is suitable as a sealant, in particular as a joint sealant. Particular advantages are that primerless application is possible with good adhesion, even at low temperatures, such as 4.4° C. or below. The substrate to be sealed are preferably concrete substrates.Type: GrantFiled: December 6, 2017Date of Patent: January 10, 2023Assignee: SIKA TECHNOLOGY AGInventors: Hong Yao, Michael Schlumpf
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Patent number: 11299580Abstract: Solvents that are suitable for use with polyurethane-polyurea based rheology modifying agents of the type which, in the past, have generally been formulated as solids or viscous liquids. The present solvents enable the rheology modifying agents to be prepared and formulated in a liquid or solution form more suited to prepare coating formulations that include polyurethane-polyurea based rheology modifying agents. The present solvents are N-alkyl substituted caprolactams, including N-methyl caprolactam, N-ethyl caprolactam, N-butyl caprolactam, and mixtures thereof, which are aprotic, non-toxic, have good solvency for polar groups such as those found in polyurethanes and polyureas, are thermally stable, and have high boiling points and low vapor pressure.Type: GrantFiled: March 25, 2019Date of Patent: April 12, 2022Assignee: AdvanSix Resins & Chemicals LLCInventors: Edward Asirvatham, Jaime A. Flores-Vasquez, Karttikay Moudgil
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Patent number: 11214707Abstract: Aspects of the present disclosure provide coatings and methods for depositing coatings onto surfaces. In one aspect, a method for forming a coating includes applying a composition to a surface of a component, the composition including a first polymer, a second polymer that is a fluoropolymer, an isocyanate, and a curative. The method includes curing the mixture at a first temperature of about 50° C. or greater and increasing the first temperature to a second temperature of about 80° C. or greater. The method includes obtaining a coating disposed on the surface of the component, the coating having a thickness of from about 10 mils to about 50 mils and a void density of less than 5 voids of size 0.5 mm or greater per cm2.Type: GrantFiled: September 21, 2018Date of Patent: January 4, 2022Assignee: THE BOEING COMPANYInventors: Andrew P. Nowak, April R. Rodriguez
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Patent number: 10836974Abstract: Some variations provide a low-adhesion coating comprising a continuous matrix containing a first component, a plurality of inclusions containing a second component, and a solid-state lubricant distributed within the coating, wherein one of the first component or the second component is a low-surface-energy polymer, and the other of the first component or the second component is a hygroscopic material. The solid-state lubricant may be selected from graphite, graphene, molybdenum disulfide, tungsten disulfide, hexagonal boron nitride, or poly(tetrafluoroethylene) or other fluoropolymers. The solid-state lubricant particles may be coated with a metal selected from cadmium, lead, tin, zinc, copper, nickel, or alloys containing one or more of these metals. The solid-state lubricant is typically characterized by an average particle size from about 0.1 ?m to about 500 ?m. The solid-state lubricant is preferably distributed throughout the coating.Type: GrantFiled: June 29, 2017Date of Patent: November 17, 2020Assignee: HRL Laboratories, LLCInventors: Andrew P. Nowak, Elena Sherman, Adam F. Gross
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Patent number: 10696917Abstract: Low-friction fluorinated coatings are disclosed herein. A preferred low-friction material contains a low-surface-energy fluoropolymer having a surface energy between about 5 mJ/m2 to about 50 mJ/m2, and a hygroscopic material that is covalently connected to the fluoropolymer in a triblock copolymer, such as PEG-PFPE-PEG. The material forms a lubricating surface layer in the presence of humidity. An exemplary copolymer comprises fluoropolymers with average molecular weight from 500 g/mol to 20,000 g/mol, wherein the fluoropolymers are (?,?)-hydroxyl-terminated and/or (?,?)-amine-terminated, and wherein the fluoropolymers are present in the triblock structure T-(CH2—CH2—O)—CH2—CF2—O—(CF2—CF2—O)m(CF2—O)n—CF2—CH2—(O—CH2—CH2)p-T where T is a hydroxyl or amine terminal group, p=1 to 50, m=1 to 100, and n=1 to 100. The copolymer also contains isocyanate species and polyol or polyamine chain extenders or crosslinkers possessing a functionality of preferably 3 or greater.Type: GrantFiled: March 17, 2016Date of Patent: June 30, 2020Assignee: HRL Laboratories, LLCInventors: Andrew P. Nowak, Adam F. Gross, Elena Sherman
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Patent number: 10472541Abstract: The present invention relates to a pigmented aqueous basecoat material comprising a polyether-based reaction product which is preparable by reaction of (a) at least one diisocyanate of the formula (I) OCN—Y—NCO??(I) in which Y is a divalent aliphatic, aromatic or araliphatic hydrocarbon radical having from 6 to 30 carbon atoms, with (b) at least one polyether of the general structural formula (II) in which R is a C3 to C6 alkylene radical and n is selected accordingly such that the polyether (b) possesses a number-average molecular weight of 200 to 4000 g/mol, where components (a) and (b) are used in the reaction in a molar ratio of 0.7/2.3 to 1.6/1.7 and the resulting reaction product possesses a number-average molecular weight of 500 to 15 000 g/mol and an isocyanate content of less than 0.2%.Type: GrantFiled: June 16, 2015Date of Patent: November 12, 2019Assignee: BASF Coatings GmbHInventors: Bernhard Steinmetz, Peter Hoffmann, Hardy Reuter
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Patent number: 10442935Abstract: This disclosure provides coatings that eliminate the problem of persistent oil or grease smudges deposited on transparent coatings. Some variations provide an oil-smudge-resistant material comprising discrete inclusions dispersed within a continuous matrix, wherein one of the discrete inclusions and the continuous matrix is an oleophobic material, and the other is an oleophilic material. Specific embodiments incorporate segmented polyurethanes with oleophobic fluoropolymers and oleophilic hydrocarbons. Some embodiments utilize inorganic oleophilic particles in an oleophobic matrix. Some embodiments condense urethane-silane crosslinkers with other silanes to form discrete domains of oleophobic or oleophilic silanes within a continuous matrix of oleophilic or oleophobic polymer.Type: GrantFiled: August 2, 2017Date of Patent: October 15, 2019Assignee: HRL Laboratories, LLCInventors: Ashley M. Nelson, Andrew P. Nowak, April R. Rodriguez
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Patent number: 10030327Abstract: An elastic knitted fabric comprising an elastic yarn and a non-elastic yarn, the elastic knitted fabric being characterized in that: the elastic yarn content is 20-60 g/m2; when the knitted fabric is stretched to 80% and then returned to the original length and the forward-movement stress and the return-movement stress at the 50% point during the stretching and contracting are measured, the stress ratio measured using the following relationship: stress ratio=(return-movement stress (N) at the 50% point)/(forward-movement stress (N) at the 50% point) is 0.40-0.80; and the instantaneous temperature rise caused by heat generation during stretching in the warp and/or weft direction is at least 1.0° C.Type: GrantFiled: March 28, 2014Date of Patent: July 24, 2018Assignee: ASAHI KASEI FIBERS CORPORATIONInventors: Yuji Yoshida, Kenji Ooya
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Patent number: 9957353Abstract: The present invention provides a method for producing low viscosity polyether carbonate polyols having side chains. A double metal cyanide catalyst and a suspension medium, with or without an H-functional starter compound, are initially introduced as a reaction mixture, and alkylene oxides are metered into the reaction mixture in two steps. The difference between the molecular weights of the lightest and the heaviest of the alkylene oxides metered in the two steps is greater than or equal to 24 g/mol, and the lightest alkylene oxide is a C2-C4 alkylene oxide. The alkylene oxides metered in the two steps can be the same or different. The invention also relates to the low viscosity polyether carbonate polyols produced by the method and to the use thereof.Type: GrantFiled: September 1, 2014Date of Patent: May 1, 2018Assignee: COVESTRO DEUTSCHLAND AGInventors: Thomas E. Müller, Christoph Gürtler, Muhammad A. Subhani, Walter Leitner
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Patent number: 9782631Abstract: Disclosed herein are golf ball compositions formed from polyureas made from aminocrotonates.Type: GrantFiled: December 31, 2015Date of Patent: October 10, 2017Assignee: Acushnet CompanyInventors: Shawn Ricci, Brian Comeau, Michael Michalewich
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Patent number: 9732452Abstract: The present invention pertains to a stretch knitted fabric which exhibits an instantaneous temperature rise when stretched and which, by the repetition of stretching and relaxation, lastingly generates heat when stretched. A stretch knitted fabric which is composed of a non-elastic yarn and an elastic yarn, characterized in that the instantaneous temperature rise caused by heat generation at 100% warpwise and/or weftwise stretching is 1.0° C. or more.Type: GrantFiled: May 21, 2012Date of Patent: August 15, 2017Assignee: ASAHI KASEI FIBERS CORPORATIONInventors: Yuji Yoshida, Mayumi Notsu
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Patent number: 9540478Abstract: This invention relates to biocompatible, biodegradable thermoplastic polyurethane or polyurethane/ureas comprising isocyanate, polyol and a conventional chain extender and/or a chain extender having a hydrolysable linking group and their use in tissue engineering and repair applications, particularly as stents and stent coating.Type: GrantFiled: April 14, 2015Date of Patent: January 10, 2017Assignee: POLYNOVO BIOMATERIALS PTY. LIMITEDInventors: Timothy G. Moore, Raju Adhikari, Pathiraja Arachchillage Gunatillake
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Patent number: 9522973Abstract: Polyurethane foams having a NFPA 101 Class B rating (ASTM E-84) which pass the FM 4450 calorimeter Test are produced by reacting: (a) an organic polyisocyanate, (b) at least one polyether polyol or polyester polyol with a nominal hydroxyl functionality of at least 2.0, (c) a blowing agent composition and (d) at least one halogen-free flame retardant. The blowing agent composition includes: (1) no more than 10% by weight, based on total weight of the foam-forming composition, of one or more hydrocarbons having an LEL less than 2% by volume in air, and/or (2) a hydrocarbon having an LEL greater than 2% by volume in air, and (3) up to 1% by weight, based on total weight of foam-forming composition, of water.Type: GrantFiled: October 2, 2012Date of Patent: December 20, 2016Assignee: Covestro LLCInventors: George G. Combs, Susan C. Pigott
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Patent number: 9482492Abstract: A polyurea hybrid ballistic armor formed from novel cured reaction products of various diamines and polyester diols with isocyanate curing agents. The cured reaction product can absorb large amounts of energy from ballistic projectiles, and when various hard granular particles are embedded within the cured reaction product, a strike plate effect can be realized, allowing the polyurea hybrid ballistic armor to defeat ballistic projectiles. The polyurea hybrid ballistic armor can additionally be utilized to add additional layers of protection to existing armor systems.Type: GrantFiled: March 3, 2015Date of Patent: November 1, 2016Assignee: SUPER SKIN SYSTEMS, INC.Inventor: Stuart Bruce Smith
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Patent number: 9458280Abstract: A polishing pad compound and a polishing pad, the polishing pad compound including a pre-polymer; and a hardener, wherein the pre-polymer includes about 45 wt % to about 50 wt % of a polyol, about 5 wt % to about 25 wt % of a hardness regulator, and a balance of an isocyanate.Type: GrantFiled: June 9, 2014Date of Patent: October 4, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Youngjun Jang, Bong-Su Ahn, Jin-Su Jeong, Jungsik Choi
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Patent number: 9422393Abstract: Water-triggered shape memory polymers based on poly(?-caprolactone) (PCL) and poly(ethylene glycol) (PEG) multiblock hybrid thermoplastic polyurethanes. Urethane linkages were formed through the addition reaction between isocyanate groups of the lysine methyl-ester diisocyanate (LDI) and the hydroxyl groups of either (PEG) or PCL diol.Type: GrantFiled: November 13, 2013Date of Patent: August 23, 2016Assignee: Syracuse UniversityInventors: Patrick T. Mather, Gu Xinzhu
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Patent number: 9211444Abstract: Methods for making golf balls having a cover made from a polyurea composition are provided. The golf balls include a rubber core and intermediate layer made from an olefin-based ionomer composition. The methods for making the polyurea composition involve preparing an amine-terminated first polymer by reacting isocyanate compound A with a stoichiometric excess of polyamine. The first prepolymer is reacted with a stoichiometric excess of isocyanate compound B to form an isocyanate-terminated second prepolymer. The second prepolymer is then reacted with a chain extender.Type: GrantFiled: July 15, 2013Date of Patent: December 15, 2015Assignee: Acushnet CompanyInventors: Michael Michalewich, Brian Comeau, David A. Bulpett, Shawn Ricci
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Patent number: 9018294Abstract: Golf balls that have at least one layer formed from a cationic polyurea material. In particular, the compositions of the invention, which include a polymer backbone including urea linkages with cationic groups, may be formed from an isocyanate-containing component and an isocyanate-reactive component, at least one of which includes precursor cationic groups, in the presence of an alkylating, quaternizing, or ternarizing agent.Type: GrantFiled: December 12, 2008Date of Patent: April 28, 2015Assignee: Acushnet CompanyInventors: Murali Rajagopalan, Shawn Ricci, Michael J. Sullivan, Kevin M. Harris, Pamela V. Arnold
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Patent number: 8946373Abstract: The invention relates to a polyurea preparable from a) a component A comprising a1) 5 to 40% by weight of at least one polyetheramine 1 (PEA 1), obtainable from at least one polyetherpolyol 1 (PEP 1) and at least one amine 1, where PEP 1 has an equivalent weight of ?500, a2) 30 to 90% by weight of at least one polyetheramine 2 (PEA 2), obtainable from at least one polyetherpolyol 2 (PEP 2) and at least one amine 2, where PEP 2 has an equivalent weight of >500, a3) 5 to 30% by weight of at least one amine chain extender and b) a component B, which is a prepolymer, obtainable from b1) at least one polyetherpolyol (PEP 3) and b2) at least one isocyanate.Type: GrantFiled: May 19, 2010Date of Patent: February 3, 2015Assignee: BASF SEInventors: Berend Eling, Stephan Göttke, Ben Buylinckx, Wolfgang Mägerlein
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Patent number: 8927653Abstract: Golf balls that have at least one layer formed from a cationic polyurea material. In particular, the compositions of the invention, which include a polymer backbone including urea linkages with cationic groups, may be formed from an isocyanate-containing component and an isocyanate-reactive component, at least one of which includes precursor cationic groups, in the presence of an alkylating, quaternizing, or ternarizing agent.Type: GrantFiled: December 12, 2008Date of Patent: January 6, 2015Assignee: Acushnet CompanyInventors: Murali Rajagopalan, Shawn Ricci, Michael J. Sullivan, Kevin M. Harris, Pamela V. Arnold
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Patent number: 8912280Abstract: An aqueous polyurethane resin dispersion containing a polyurethane resin obtained by reacting (A) a polyurethane prepolymer obtained by reacting (a) a polyisocyanate compound, (b) at least one polyol compound containing a polycarbonate polyol having a number average molecular weight of 400 to 3000, (c) an acidic group-containing polyol compound, (d) a blocking agent for an isocyanate group, which dissociates at 80 to 180° C., and (B) a chain elongating agent having reactivity with the isocyanate group, being dispersed in an aqueous medium, a sum of a content of urethane and urea bondings is 15 to 30% by weight in terms of solid components, a content of carbonate bondings is 8% to <15% by weight in terms of solid components, and a content of isocyanate group to which the above-mentioned blocking agent has bound is 0.2 to 3% by weight in terms of solid components as calculated on isocyanate group.Type: GrantFiled: February 23, 2010Date of Patent: December 16, 2014Assignee: Ube Industries, Ltd.Inventors: Atsushi Morikami, Masahiro Naiki, Fumio Adachi, Manabu Takahashi
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Patent number: 8889787Abstract: A problem to be solved by the present invention is to provide a polyurethane film that offers both soft texture and high strength. The present invention relates to a polyurethane film obtained by solidifying a polyurethane (A) obtained by reacting a polyol (a1) including an aliphatic polyester polyol having an anionic group (a1-1), and a polyester polyol (a1-2) other than the aliphatic polyester polyol (a1-1) with a polyisocyanate (a2), using a metal salt, in which the polyurethane (A) has an aromatic structure in the range of 500 mmol/kg to 2,000 mmol/kg with respect to the entire polyurethane (A).Type: GrantFiled: June 29, 2012Date of Patent: November 18, 2014Assignee: DIC CorporationInventors: Sadamu Nagahama, Hiroki Tanaka, Mitsuru Kitada
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Patent number: 8889815Abstract: The present invention provides polyurethane composition including: (a) at least one polyurethane including a reaction product of components comprising: (i) at least one polyisocyanate; (ii) at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (iii) at least one diol having 2 to 18 carbon atoms; and (b) at least one reinforcement material selected from the group consisting of polymeric inorganic materials, nonpolymeric inorganic materials, polymeric organic materials, nonpolymeric organic materials, composites thereof, and combinations thereof; coatings and articles made therefrom and methods of making the same.Type: GrantFiled: December 14, 2006Date of Patent: November 18, 2014Assignee: PPG Industries Ohio, Inc.Inventors: Thomas G. Rukavina, Robert Hunia, Chia-Cheng Lin, Kaliappa G. Ragunathan, Vidhu J. Nagpal
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Patent number: 8865853Abstract: The present invention provides polyurethanes including a reaction product of components including: (a) an isocyanate functional urethane prepolymer comprising a reaction product of components including: (i) about 1 equivalent of at least one polyisocyanate; and (ii) about 0.1 to about 0.5 equivalents of at least one diol having 2 to 18 carbon atoms; and (b) about 0.05 to about 0.9 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (c) up to about 0.9 equivalents of at least one polyol different from branched polyol (b) and having 2 to 18 carbon atoms, wherein the reaction product components are essentially free of polyester polyol and polyether polyol; compositions, coatings and articles made therefrom and methods of making the same.Type: GrantFiled: December 3, 2012Date of Patent: October 21, 2014Assignee: PPG Industries Ohio, Inc.Inventor: Thomas G. Rukaivina
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Patent number: 8859676Abstract: An aqueous polyurethane resin dispersion containing a polyurethane resin obtained by reacting (A) a polyurethane prepolymer obtained by reacting (a) a polyisocyanate compound, (b) at least one polyol compound containing a polycarbonate polyol having a number average molecular weight of 400 to 3000, (c) an acidic group-containing polyol compound, and (d) a blocking agent for an isocyanate group, which dissociates at 80 to 180° C., and (B) a chain elongating agent having reactivity with the isocyanate group, being dispersed in an aqueous medium, a sum of a content of urethane bondings and a content of urea bondings is 7 to 18% by weight of solid components, a content of carbonate bondings is 15 to 40% by weight of solid components, and a content of an isocyanate group to which the above-mentioned blocking agent has bonded is 0.2 to 3% by weight of solid components and calculated on the isocyanate group.Type: GrantFiled: February 23, 2010Date of Patent: October 14, 2014Assignee: UBE Industries, Ltd.Inventors: Atsushi Morikami, Masahiro Naiki, Fumio Adachi, Manabu Takahashi
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Patent number: 8853442Abstract: A resin crosslinking agent that is capable of enhancing the scuffing resistance and the chemical resistance upon adding a carbodiimide compound as a crosslinking agent to an aqueous resin. The resin crosslinking agent contains: a carbodiimide compound having at least one carbodiimide group, having terminals that are capped with at least one compound (hydrophilic organic compound I) selected from a dialkylamino alcohol, a hydroxycarboxylic acid alkyl ester and a (poly)alkylene glycol monoalkyl ether, and with a compound (hydrophilic organic compound II) that has higher hydrophilicity than the hydrophilic organic compound I and has at least one hydroxyl group; and a water-miscible liquid compound.Type: GrantFiled: December 24, 2010Date of Patent: October 7, 2014Assignee: Nisshinbo Holdings, Inc.Inventors: Kenichi Yanagisawa, Saori Kotani
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Patent number: 8841402Abstract: The invention relates to a coating agent composition comprising an isocyanate-group-containing prepolymer obtained by reacting a polyol comprising a polyoxyalkylene polyol having 2-4 hydroxyl groups on average, an oxyethylene group content of 85-100% by mass based on all oxyalkylene groups (100% by mass), and an arithmetic-average molecular weight of 800-2,500 with an alicyclic isocyanate and/or an aliphatic isocyanate in the presence of an organic acid bismuth salt catalyst, the isocyanate(s) being used in such an amount as to result in an isocyanate index of 150-300. The invention can provide a coating agent composition which forms a coating film or film having moisture permeability, excellent in mechanical properties and yellowing resistance, having laundering durability and resistance to sweat deterioration, and containing no organotin compounds.Type: GrantFiled: December 17, 2008Date of Patent: September 23, 2014Assignee: Asahi Glass Company, LimitedInventors: Hiroshi Wada, Tomeyoshi Ohori
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Patent number: 8822594Abstract: Coating compositions comprising a polyurea formed from a reaction mixture comprising: (a) a first component comprising an isocyanate, the first component having a viscosity of ?2000 centipoise at a temperature ?7° C.; and (b) a second component comprising an amine. Substrates coated at least in part with such a composition are also disclosed. Footwear coated at least in part with polyurea are also disclosed.Type: GrantFiled: April 20, 2009Date of Patent: September 2, 2014Assignee: PPG Industries Ohio, Inc.Inventors: George Yakulis, Calum H. Munro, Edward R. Millero, Jr., John Furar, Barry A. Russell, Howard L. Senkfor, Debra L. Singer, Steven V. Barancyk, Thomas R. Hockswender
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Patent number: 8816037Abstract: The invention relates to moisture-curing compositions which comprise at least one aromatic isocyanate group-bearing polyisocyanate and at least one dialdimine of formula (I). The compositions according to the invention have a longer open time and at the same time a shorter curing time, they are storage-stable and cure without forming bubbles. They are especially suitable as adhesives, sealing agents, potting compounds or coating materials, the use as sealing agents being especially advantageous.Type: GrantFiled: March 27, 2008Date of Patent: August 26, 2014Assignee: Sika Technology AGInventor: Urs Burckhardt
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Patent number: 8802770Abstract: The present invention discloses a semicrystalline, thermoplastic polyurethane which is comprised of the reaction product of (1) a hydrophobic polyol, (2) a polyisocyanate, and (3) a linear chain extender containing 5 carbon atoms or 7 to 12 carbon atoms; wherein the hydrophobic polyol has a number average molecular weight which is within the range of about 1,000 to about 4,000; wherein the semicrystalline, thermoplastic polyurethane has a weight average molecular weight which is within the range of 50,000 to 1,000,000; and wherein the semicrystalline, thermoplastic polyurethane has a melting point which is within the range of 80° C. to 150° C. This hydrophobic thermoplastic polyurethane offers a unique array of characteristics that are highly desirable for utilization in manufacturing a variety of products. For instance, it can be used in overmolding soft grips onto consumer products, in adhesives, and in protective coatings.Type: GrantFiled: January 21, 2009Date of Patent: August 12, 2014Assignee: Lubrizol Advanced Materials, Inc.Inventors: Donald A. Meltzer, Jacques P. E. J. Horrion
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Patent number: 8791200Abstract: The present invention relates to a polyurethaneurea solution having a polyurethaneurea having a structural unit of the formula (I) and terminated with at least one copolymer unit of the group consisting of a polyethylene oxide, a polypropylene oxide, and mixtures thereof.Type: GrantFiled: August 22, 2009Date of Patent: July 29, 2014Assignee: Bayer MaterialScience AGInventors: Jürgen Köcher, Christian Wamprecht
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Patent number: 8790488Abstract: Biocompatible macromer compositions are provided including an isocyanate-functional polyalkylene oxide combined with at least one multi-functional isocyanate as a first component, and a multi-amino functional compound possessing multiple primary amines as a second component. The isocyanate-functional polyalkylene oxide has pendant polyalkylene oxide groups. The resulting biocompatible macromer composition can be employed as an adhesive or sealant for medical/surgical uses.Type: GrantFiled: January 2, 2013Date of Patent: July 29, 2014Assignee: Covidien LPInventors: Ahmad R. Hadba, Nadya Belcheva
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Patent number: 8779085Abstract: The present invention discloses a method of producing a modified polyimide comprising a polycarbonate, which modified polyimide has excellent electric properties and adhesion as well as excellent heat resistance, flexibility, bending property, low warping, chemical resistance and storage stability; and the modified polyimide. Also disclosed are a composition comprising the modified polyimide and used thereof.Type: GrantFiled: April 30, 2010Date of Patent: July 15, 2014Assignee: PI R&D Co., Ltd.Inventors: Toshiyuki Goshima, Maw Soe Win, Eika Kyo
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Patent number: 8765901Abstract: A spandex comprising a polyurethane or polyurethaneurea reaction product of at least one diisocyanate compound and a poly(tetramethylene-co-ethyleneether) glycol comprising constituent units derived by copolymerizing tetrahydrofuran and ethylene oxide wherein the percentage of ethylene ether moieties is from about 16 to about 70 mole percent with at least one chain extender selected from the group consisting of diamines and diols and at least one chain terminator wherein the spandex is spun at a speed in excess of about 750 meters per minute.Type: GrantFiled: May 8, 2006Date of Patent: July 1, 2014Assignee: Invista North America S.ár.l.Inventors: Charles F. Palmer, Jr., Gary A. Lodoen
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Patent number: 8759467Abstract: A process for producing a polyurethane, which comprises using a polyester polyol (a-1), a polyether polyol (b), an isocyanate compound (c) and a chain extender (d) as a raw material to produce a polyurethane, wherein the polyester polyol (a-1) is a polyester polyol (a-1) obtained by forming an ester bond between either a carboxyl group of a polycarboxylic acid (i-1) having a polysiloxane framework and a plurality of carboxyl groups or an ester group of a polycarboxylic acid ester (i-2) having a polysiloxane framework and a plurality of ester groups, and a hydroxyl group of a polyether polyol (ii).Type: GrantFiled: April 27, 2012Date of Patent: June 24, 2014Assignee: Mitsubishi Chemical CorporationInventors: Takanori Taniguchi, Haruhiko Kusaka, Youko Nakagawa, Daisuke Hirooka, Hisashi Nagahama
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Patent number: 8748542Abstract: A synthetic polymer has a water-soluble or water-swellable polyurethane backbone and terminal groups and/or intermediate groups of blocks of hydrophobes of alkyl- or aryl compounds containing a polymerizable cyclic monomer or a polymerizable double bond (or alkene) group or derivatives thereof. The blocks of hydrophobes are composed of two or more units of the same or different hydrophobes. These synthetic polymers are used as rheology modifiers, especially in latex paints.Type: GrantFiled: June 18, 2009Date of Patent: June 10, 2014Assignee: Hercules IncorporatedInventors: Kirill N. Bakeev, De-Kai Loo, Angie H. Ma, Tuyen T. Nguyen, Jeffrey K. Politis
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Patent number: 8741976Abstract: A process for producing porous aerogels or xerogels includes a reaction of at least one polyfunctional isocyanate with an amine component. The amine component includes at least one polyfunctional substituted aromatic amine. The reaction is in the presence of a solvent and a catalyst. Aerogels and xerogels that can be obtained in this way can be used as insulation material and in vacuum insulation panels.Type: GrantFiled: November 4, 2011Date of Patent: June 3, 2014Assignee: BASF SEInventors: Marc Fricke, Mark Elbing
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Patent number: 8734951Abstract: The present invention provides polyurethanes including a reaction product of components including: (a) at least one polyisocyanate selected from the group consisting of polyisocyanate trimers and branched polyisocyanates, the polyisocyanate having at least three isocyanate functional groups; and (b) at least one aliphatic polyol having 4 to 18 carbon atoms and at least two hydroxyl groups, wherein the reaction product components are essentially free of polyester polyol and polyether polyol; compositions, coatings and articles made therefrom and methods of making the same.Type: GrantFiled: December 14, 2006Date of Patent: May 27, 2014Assignee: PPG Industries Ohio, Inc.Inventors: Thomas G. Rukavina, Robert Hunia
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Patent number: 8729210Abstract: 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): X—[—N(CHO)—CO—NH—R1—NCO]n??(II) wherein X represents a linear or branched aliphatic, cycloaliphatic, heterocyclic and/or aromatic structural unit having 2 to 40 carbon atoms, and which is optionally further substituted and/or optionally comprises one or more heteroatoms, wherein R1 represents an organic radical which may optionally contain one or more heteroatoms and which may further contain one or more additional free isocyanate groups and/or one or more urethane, biuret, carbodiimide, isocyanurate, allophanate, iminooxadiazinedione and/or uretdione structural units, and wherein n?2; processes for making the same; compositions containing the same; and uses thereof.Type: GrantFiled: July 16, 2010Date of Patent: May 20, 2014Assignee: Bayer MaterialScience AGInventors: Harald Blum, Evelyn Peiffer, Marc Leimenstoll
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Patent number: 8703848Abstract: Disclosed herein is a blend comprising: (a) 5 to 50 percent by weight of the micronized poly(phenylene ether), wherein the mean particle size of the poly(phenylene ether) is 9 microns or less; (b) 50 to 95 percent by weight of a thermoplastic polyurethane; wherein the weight percents are based on the total weight of the blend. Also disclosed are processes for preparing such blends as well as articles derived therefrom.Type: GrantFiled: October 9, 2012Date of Patent: April 22, 2014Assignee: SABIC Innovative PlasticsInventor: Edward Norman Peters
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Patent number: 8691929Abstract: Curable compositions are provided comprising: (a) an isocyanate-functional prepolymer having a weight average molecular weight of 4000 to 15,000; and (b) a curing agent comprising a mixture of polyamines, wherein at least one polyamine has an amine equivalent weight of 125 to 250. The isocyanate-functional prepolymer is a reaction product of a polyisocyanate and either (i) a polyether having primary and/or secondary amino groups or (ii) a mixture of a polyether having primary and/or secondary amino groups and a polyether having hydroxyl groups. Upon curing, the compositions demonstrate a Young's Modulus less than 500 MPa at ?40° C., a percent elongation greater than 200% at ?40° C., and/or a glass transition temperature less than ?20° C., making them ideally suited for use at extreme temperatures.Type: GrantFiled: November 18, 2010Date of Patent: April 8, 2014Assignee: PPG Industries Ohio, Inc.Inventors: Edward R. Millero, Jr., Susan Fundy Donaldson, Kurt G. Olson, Christina A. Winters
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Patent number: 8674051Abstract: Golf equipment having improved cut and shear resistance that includes a polyurea composition, preferably saturated and/or water resistant, formed of a polyurea prepolymer and a curing agent, wherein the polyurea prepolymer includes an isocyanate and an amine-terminated compound, and wherein the curing agent includes a hydroxy-terminated curing agent, amine-terminated curing agent, or a mixture thereof.Type: GrantFiled: September 27, 2011Date of Patent: March 18, 2014Assignee: Acushnet CompanyInventors: Shenshen Wu, David A. Bulpett, Murali Rajagopalan
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Patent number: 8653220Abstract: The present invention provides poly(ureaurethane)s including a reaction product of components including: (a) at least one isocyanate functional urea prepolymer comprising a reaction product of: (1) at least one polyisocyanate selected from the group consisting of polyisocyanate trimers and branched polyisocyanates, the polyisocyanate having at least three isocyanate functional groups; and (2) water; and (b) at least one aliphatic polyol having 4 to 18 carbon atoms and at least 2 hydroxyl groups; compositions, coatings and articles made therefrom and methods of making the same.Type: GrantFiled: December 14, 2006Date of Patent: February 18, 2014Assignee: PPG Industries Ohio, Inc.Inventors: Thomas G. Rukavina, Robert Hunia
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Patent number: 8653222Abstract: Reaction products of polyepoxides with amines followed by reaction with polyalkyleneoxide modified and/or polyester-modified and/or polyether-polyester-modified isocyanates give comblike aminic polymers, and their salts. The compounds are useful as wetting and dispersing agents for organic and inorganic pigments, and as fillers for aqueous and solvent-borne systems.Type: GrantFiled: January 31, 2008Date of Patent: February 18, 2014Assignee: BYK-Chemie GmbHInventors: Ulrich Orth, Jürgen Omeis, Heribert Holtkamp, Matthias Pickavé