Reactant Having Two -xh Groups Contains Two Or More -c-x-c- Groups Or Two Or More Carboxylic Acid Ester Groups Patents (Class 528/66)
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Patent number: 8318869Abstract: A composition useful for imparting durable stain repellence and soil release properties to textile substrates, a method for treating textile substrates using such composition, and the textile substrates obtained therefrom. The composition comprises: (A) at least one fluorinated ionisable polyurethane polymer (PUR) being free from perfluoroalkyl chains and comprising at least one fluorinated block comprising a fluoropolyoxyalkene chain, and at least one functional block comprising an hydrocarbon chain (RHC) having from 2 to 14 carbon atoms, said chain (RHC) comprising at least one ionisable group, said blocks being linked by urethane moieties of formula (I), wherein E is a divalent hydrocarbon carbon group; (B) at least one fluorocarbon polymer (F) comprising at least one perfluoroalkyl chain (Rf) linked by one or more ester moiety of formula (II) and/or urethane moiety of formula (III) and/or urea moiety of formula (IV); and (C) at least one crosslinking agent.Type: GrantFiled: May 13, 2008Date of Patent: November 27, 2012Assignee: Solvay Solexis S.p.A.Inventors: Antonio Russo, Piero Gavezotti, Michael Quallo
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Patent number: 8317967Abstract: Urethane adhesive compositions comprising amide based polyols. The amide polyols comprise the reaction product of a reactant selected from the group consisting of lactic acid, lactic acid esters, lactone, glycolic acid, glycolic acid esters, and combinations thereof with one or more amines. The urethane adhesive compositions may be applied in methods of manufacturing a tile installation.Type: GrantFiled: September 4, 2009Date of Patent: November 27, 2012Assignee: Ashland Licensing and Intellectual Property LLCInventors: Raymond Scott Harvey, Amy Gran, Yulia Alekseevna Vasilieva
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Patent number: 8309653Abstract: Water-based coatings having writable-erasable surfaces are provided. The coatings have many desirable attributes. For example, the coatings cure under ambient conditions, have low or no VOC emissions during and upon curing, and have reduced tendency to form ghost images, even after prolonged normal use.Type: GrantFiled: January 9, 2009Date of Patent: November 13, 2012Assignee: IdeaPaint, Inc.Inventors: John Goscha, Martin Douglas Donbrosky, Jr.
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Patent number: 8304506Abstract: Provided are a polymerizable composition for giving a resin which has a high refractive index and low dispersion, and is especially excellent in impact resistance and tintability; and a resin and an optical component each obtained by curing the composition.Type: GrantFiled: August 4, 2006Date of Patent: November 6, 2012Assignee: Mitsui Chemicals, Inc.Inventors: Akinori Ryu, Mamoru Tanaka, Kunio Okumura
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Patent number: 8296974Abstract: The present invention is a transparent thermoplastic polyurethane (TPU) comprising structural units of: a.) a diisocyanate; b.1) a polyester diol and b.2) a specific polyether diol and c.) a chain extender. The TPU has good combinations of light transmission and clarity, tensile strength, low temperature flexibility, and high moisture vapor transition rates compared to other commercial or known TPUs. A preferred example composition is a TPU that is based on MDI as the diisocyanate monomer, polycaprolactone as a polyester diol, an EO capped EO/PO polyether diol containing less than 20% EO, and butanediol as chain extender. These composition have good combinations of clarity, tensile strength, hydrolytic stability and processability compared to TPUs prepared using either polyester or polyether diols alone or the combination with a higher EO polyether diol.Type: GrantFiled: September 22, 2006Date of Patent: October 30, 2012Assignee: Lubrizol Advanced Materials, Inc.Inventors: Mark F. Sonnenschein, J. Mark Cox, Hanno R. Van der Wal, Benjamin L. Wendt
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Patent number: 8299171Abstract: The present invention relates to a spray-polyurethane system which comprises a polyol component (A) and an isocyanate component (B), where the polyol component (A) comprises a1) at least one compound reactive with isocyanate, a2) at least one reactive chain extender having at least two groups reactive toward isocyanates, where at least one group reactive toward isocyanates is a free, primary NH2 group, and also a3) at least one metal catalyst, and a4) if appropriate, further additives, where the spray-polyurethane system comprises no amine catalyst. The present invention moreover relates to a process for production of a backing layer composed of polyurethane for moldings and to the use of this backing layer for production of automobile parts. Inventive backing layers have good mechanical properties, and low emissions, and their demolding time is small when compared with the open assembly time.Type: GrantFiled: July 18, 2007Date of Patent: October 30, 2012Assignee: BASF AktiengesellschaftInventors: Cord Schmalkuche, Udo Hadick, Holger Leifheit, Georg Partusch, Franz Xaver Redl
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Patent number: 8288478Abstract: Golf balls containing at least one layer made from a thermoplastic polyurethane or polyurethane-urea that is the reaction product of a polyisocyanate with moisture-resistant polyol and a curing agent are provided. The moisture-resistant polyol may be prepared by dimerizing unsaturated aliphatic monocarboxylic acid or ester containing 10 to 60 carbon atoms followed by reacting it with a monomeric, oligomeric, or polymeric diol. In one preferred version, the moisture-resistant polyol is a branched polyester polyol containing 36 carbon atoms. The composition can be prepared using prepolymer or one-shot manufacturing techniques. The resulting golf ball has desirable playing performance properties including high resiliency, toughness, impact durability, moisture-resistance, and soft feel.Type: GrantFiled: February 25, 2010Date of Patent: October 16, 2012Assignee: Acushnet CompanyInventors: Murali Rajagopalan, Derek A. Ladd, Michael J. Sullivan
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Patent number: 8242228Abstract: The present invention is a low haze thermoplastic polyurethane (TPU) prepared from a chain extender mixture that includes an acyclic diol and a mixture of 1,3- and 1,4-cyclohexanedimethanol. The TPU elastomers exhibit good optical clarity, particularly when formed into relatively thick injection molded parts.Type: GrantFiled: December 3, 2007Date of Patent: August 14, 2012Inventors: John M. Cox, Francisco Lerma, Mark F. Sonnenschein
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Patent number: 8211474Abstract: A coated granule obtained by coating a bioactive substance-containing granule with a urethane resin obtained by reaction of an aromatic polyisocyanate with an alcohol mixture comprising a polyesterpolyol having 15 wt % or more of an oxycarbonyl structure (—O—C(?O)—) part in the molecule and a C4-C30 alkanol optionally substituted by one or more aryl groups, wherein the molar ratio of the polyesterpolyol to the alkanol is 1:1 to 100:1, is capable of controlling elution of the bioactive substance appropriately, and, the urethane resin forming the coat film shows degradability in soil.Type: GrantFiled: August 13, 2007Date of Patent: July 3, 2012Assignee: Sumitomo Chemical Company, LimitedInventor: Atsushi Watanabe
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Publication number: 20120156506Abstract: There is provided an adhesive composition comprising (a) a polyisocyanate component comprising (i) monomeric 4,4? methylene diphenyl diisocyanate and (ii) an isocyanate functional prepolymer that is the reaction product of a prepolymer reactant mixture comprising (A) monomeric 4,4? methylene diphenyl diisocyanate, and (B) one or more diol having OH equivalent weight of 225 or less, and (C) one or more triol having OH equivalent weight of 1400 or more, and (b) a polyol component comprising one or more polyol.Type: ApplicationFiled: November 18, 2011Publication date: June 21, 2012Inventors: Pankaj Vinubhai Shah, Kevin Miyake
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Patent number: 8193296Abstract: This disclosure relates to golf balls made from a crosslinked thermoplastic polyurethane elastomer. The crosslinked thermoplastic polyurethane elastomer includes crosslinks located in the hard segments, where the crosslinks being the reaction product of unsaturated bonds located in the hard segments as catalyzed by a free radical initiator. The crosslinks may be formed from an unsaturated diol as a chain extender. The unsaturated diol may be trimethylolpropane monoallylether (TMPME). The golf ball may include the crosslinked thermoplastic polyurethane elastomer in the cover layer, in which case the cover layer may exhibit a high degree of scuff resistance.Type: GrantFiled: June 30, 2010Date of Patent: June 5, 2012Assignee: NIKE, Inc.Inventors: Hideyuki Ishii, Hsin Cheng, Chien-Hsin Chou, Chung-Yu Huang, Yasushi Ichikawa, Chen-Tai Liu
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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: 8178643Abstract: A polymer casting formulation for producing molded polymeric structural members comprises a liquid mixture that contains a polyisocyanate component comprising at least two polyisocyanates; and an isocyanate-reactive component comprising at least two isocyanate-reactive compounds, which formulation cures to form a polyurethane. Methods of using the casting formulation to produce molded polymer structural members and the structural members that are produced by such a method are also described.Type: GrantFiled: June 30, 2006Date of Patent: May 15, 2012Assignee: JELD-WEN, Inc.Inventors: Brian D. Edstrom, Michael Charles Michie, Aniq Sufi
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Patent number: 8178644Abstract: The present invention teaches a new process to produce novel, hard, optically clear, impact-resistant polyurethane polymers that are characterized by excellent thermo mechanical properties and chemical resistance, and the polymers made as a result of such a process. The polyurethanes are made by reacting a) a prepolymer made by reacting a polyisocyanate with a primary amine-terminated polyether with an amine functionality of about 2 and a molecular weight of >1000, and in which the free —NCO content of the resulting prepolymer is >18% by weight; with b) (i) a polyol having an average hydroxyl functionality greater than or equal to 2 and an average hydroxyl equivalent weight of from about 300 to about 1,000, and (ii) a curing agent that has isocyanate reactive groups, a functionality of 2 to 3 and a molecular weight of <400.Type: GrantFiled: January 9, 2008Date of Patent: May 15, 2012Assignee: PolyPlexx, LLCInventors: Edmond Derderian, Richard Gerkin
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Patent number: 8158692Abstract: The present invention provides a polyurethane foam for an automobile steering wheel. More particularly, the present invention relates to polyurethane foam formed by using a predetermined amount of a polyol having various functional groups and OH values and a predetermined amount of isocyanate having a certain function, along with water as a foaming agent, thereby preventing the environmental problems caused by use of the conventional fluorine-based or pentane-based foaming agent and also improving durability such as water resistance.Type: GrantFiled: April 18, 2008Date of Patent: April 17, 2012Assignee: Hyundai Motor CompanyInventors: Seok Hwan Kim, Won Jin Seo, Joo Young Maeng, Han Sung Paik, Gi Man Kim
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Patent number: 8148488Abstract: Disclosed is a polyisocyanate composition which is excellent in both curability and drying characteristic. The polyisocyanate composition contains at least one compound selected from aliphatic diisocyanates, at least one compound selected from alicyclic diisocyanates and at least one compound selected from polyols, while satisfying all of the following conditions; i) the diisocyanate monomer concentration is not more than 3 mass %, ii) the polyol component concentration is 1-50 mass %; and iii) the glass transition temperature is from ?50° C. to 0° C.Type: GrantFiled: March 1, 2005Date of Patent: April 3, 2012Assignee: Asahi Kasei Chemicals CorporationInventors: Yoshiyuki Asahina, Masakazu Yamauchi, Hironori Katagawa
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Patent number: 8138273Abstract: Compositions, such as aerospace sealant, coating, and/or potting compositions are disclosed. The compositions include a polythioether and, in at least some cases, can be sprayable and fuel resistant even when substantially free of volatile organic compounds.Type: GrantFiled: December 17, 2010Date of Patent: March 20, 2012Assignee: PRC DeSoto International, IncInventors: Chandra B. Rao, John R. Gilmore
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Patent number: 8138298Abstract: The object of the present invention is to provide a golf ball having excellent scuff resistance and spin performance. The present invention provides a golf ball which comprises a core and a cover covering the core. The cover contains a polyurethane as a resin component, and the polyurethane is obtained by employing a multimodal polyol having multimodality in molecular weight distribution, as a high-molecular-weight polyol component constituting the polyurethane.Type: GrantFiled: May 22, 2009Date of Patent: March 20, 2012Assignee: SRI Sports LimitedInventors: Kazuyoshi Shiga, Takashi Sasaki, Mikio Yamada
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Patent number: 8114920Abstract: The UV-curable aqueous coating composition is characterized by using a UV-curable aqueous emulsion obtained by urethane reaction with a mixture including a poly-carbonate polyol or polyester polyol; an isocyanate compound; a urethane-reactive carboxylic acid; a UV-curable acrylic oligomer having 2 to 9 functional acrylate groups; a UV-curable acrylic monomer; and a urethane-reactive acrylate without an organic solvent. The aqueous composition provides good environmental acceptability and satisfactory film properties comparable to those of the prior oily UV-curable coating composition and, therefore, it is useful for coating various plastics.Type: GrantFiled: January 15, 2007Date of Patent: February 14, 2012Assignee: Akzo Nobel Coatings International B.V.Inventors: Dong Soo Kim, Tae Yun Jeong, Su Dong Hong, Jung Hyun Oh
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Patent number: 8114519Abstract: Derivatized solid epoxy resins of the formula (I), which are outstandingly suitable as impact modifiers; and compositions which include such derivatized solid epoxy resins and are outstandingly suitable as one-component heat-curable adhesives, and as structural foams which have a high impact resistance and high mechanical stability.Type: GrantFiled: October 24, 2007Date of Patent: February 14, 2012Assignee: Sika Technology AGInventors: Andreas Kramer, Juergen Finter
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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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Patent number: 8080317Abstract: A coated granule obtained by coating a bioactive substance-containing granule with a urethane resin obtained by reaction of an aromatic polyisocyanate with a polyol having an average molecular weight of 300 to 5000, wherein the polyol contains a polycaprolactonepolyol and a hydroxy fatty acid ester of the formula (I): (wherein, X represents —CH2-CH2- or —CH?CH—, n represents 1, 2 or 3, m represents 0, 1 or 2, and n+m is 2 or 3. In the case of n+m=2, A represents a C2 to C8 alkanediyl group, and in the case of n+m=3, A represents a C3 to C8 alkanetriyl group.) as the coat film, is capable of controlling elution of the bioactive substance appropriately, and, the urethane resin forming the coat film shows degradability in soil.Type: GrantFiled: June 28, 2007Date of Patent: December 20, 2011Assignee: Sumitomo Chemical Company, LimitedInventor: Atsushi Watanabe
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Patent number: 8062729Abstract: A polymeric material may be prepared by reacting a composition that includes polyol, polyisocyanate, and polyorganosiloxane having functional groups capable of reacting with the polyisocyanate, wherein the polymeric material has a surface which includes raised microdomains.Type: GrantFiled: July 11, 2007Date of Patent: November 22, 2011Assignee: NDSU Research FoundationInventors: Dean C. Webster, Partha S. Majumdar
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Patent number: 8022138Abstract: Aqueous polyurethane dispersion are disclosed where the dispersions contain from 5 to 70 weight percent polyurethane solids wherein the solids are obtained from at least one isocyanate terminated prepolymer prepared by reacting (a) a polyol or polyol blend having a mean average equivalent weight of 200 to 2,000; and (b) at least one polyisocyanate where the prepolymer is dispersed in water; optionally in the presence of (c) one or more stabilizers; or (d) one or more amine chain extenders or both; wherein the prepolymers have an isocyanate (NCO) content of from 2 to 40 weight percent and the polyol or polyol blend (a) contains at least 15 weight percent of a polyester based on a polycarboxylic acid or lactone component and a glycol component, wherein the glycol component contains isomers of 1,3- and 1,4-cyclohexanedimethanol (1,3-/1,4-CHDM) where the ratio of the 1,3-/1,4-isomers is from 35:65 to 65:35.Type: GrantFiled: May 17, 2007Date of Patent: September 20, 2011Assignee: Dow Global Technologies LLCInventors: John N. Argyropoulos, Debkumar Bhattacharjee
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Patent number: 8013101Abstract: Golf ball compositions, and components formed therefrom, including trifunctional materials, such as trifunctional isocyanates, polyols, and amines, that have improved performance and durability characteristics, e.g., improved heat resistance, improved resiliency, and dimensional stability.Type: GrantFiled: April 20, 2010Date of Patent: September 6, 2011Assignee: Acushnet CompanyInventors: Shenshen Wu, Shawn Ricci
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Patent number: 7994269Abstract: Golf equipment including compositions including castable formulations that have low material hardness and increased shear resistance. The compositions may be used in any layer of a golf ball including cores, intermediate layers, and covers and result in high spin rates.Type: GrantFiled: August 1, 2008Date of Patent: August 9, 2011Assignee: Acushnet CompanyInventors: Shawn Ricci, Christopher Cavallaro
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Patent number: 7976944Abstract: A temperature-regulating fiber may include a spun phase change polymeric material that may include a plurality of phase change polymer blocks. The fiber may have a fixity ratio of at least 80% and a recovery ratio of at least 74%.Type: GrantFiled: December 31, 2009Date of Patent: July 12, 2011Assignee: The Hong Kong Polytechnic UniversityInventors: Jinlian Hu, Qinghao Meng
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Patent number: 7973123Abstract: A golf ball having a layer composed of a polyurethane/polyurea material formed from reaction injection molding a polyol component and an isocyanate component. The polyol component preferably comprises a polytetramethylene ether glycol having a molecular weight of approximately 1000 and a 3,5-diethyl-2,4 toluenediamine. The layer is preferably a cover layer having a thickness ranging from 0.010 inch to 0.025 inch.Type: GrantFiled: November 10, 2008Date of Patent: July 5, 2011Assignee: Callaway Golf CompanyInventors: Thomas J. Kennedy, III, David M. Melanson
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Patent number: 7964696Abstract: The present invention relates to chain extenders, processes for their preparation and their use in the preparation of biocompatible biodegradable polyurethanes and polyurethane ureas for biomedical applications such as stents, scaffolds for tissue engineering.Type: GrantFiled: September 20, 2006Date of Patent: June 21, 2011Assignee: Polynovo Biomaterials Pty LimitedInventors: Pathiraja Arachchillage Gunatillake, Timothy Graeme Moore, Raju Adhikari
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Publication number: 20110129647Abstract: A belt with a tensile cord embedded in an elastomeric body, having a polyurea-urethane adhesive composition impregnating the cord and coating the fibers. The composition is reaction product of a polyurethane prepolymer and a diamine curative or water. The prepolymer is a reaction product of a compact, symmetric diisocyanate and a polyester, polyether, or polycarbonate polyol. The belt body may be of cast polyurethane, vulcanized rubber, or thermoplastic elastomer. The cord may have an adhesive overcoat.Type: ApplicationFiled: December 1, 2009Publication date: June 2, 2011Applicant: THE GATES CORPORATIONInventors: Joseph R. Duke, JR., John Graeme Knox
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Patent number: 7897678Abstract: Fluorochemical urethane compounds and coating compositions derived therefrom are described. The compounds and compositions may be used in treating substrates, in particular substrates having a hard surface such as plastics, ceramics or glass, to render them water, oil, stain, and soil repellent.Type: GrantFiled: July 26, 2007Date of Patent: March 1, 2011Assignee: 3M Innovative Properties CompanyInventor: Zai-Ming Qiu
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Patent number: 7888399Abstract: The present invention relates to a curable composition having high adhesiveness and transparency, comprising a thiol compound containing two or more groups represented by formula (1): wherein the symbols in the formula have the meanings as described in the specification; and an urethane compound containing an ethylenically unsaturated double bond represented by formula (2): wherein the symbols in the formula have the meanings as described in the specification.Type: GrantFiled: January 25, 2007Date of Patent: February 15, 2011Assignee: Showa Denko K.K.Inventors: Hideo Miyata, Katsuro Urakawa, Haruhiko Ikeda, Yotaro Hattori
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Patent number: 7871704Abstract: A composition comprising an unsaturated polyester polyol oligomer and an isocyanate are disclosed; the composition can further comprise a radiation-curable compound, such as a (meth)acrylic copolymer, and/or a polythiol. Methods for using the composition and substrates treated therewith are also disclosed.Type: GrantFiled: September 2, 2008Date of Patent: January 18, 2011Assignee: PPG Industries Ohio, Inc.Inventors: Stephen J. Thomas, Mark P. Bowman, Vittorio Montanari
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Publication number: 20110003961Abstract: A thermoplastic polyurethane is obtainable via reaction of the following components A, B, C, and, if appropriate, D and E (e) at least one aliphatic, organic diisocyanate, as component A, (f) at least one compound which is reactive toward component A and which has a weight-average molar mass of from 500 to 10 000 g/mol, as component B, (g) a mixture composed of alkanediols as chain extenders, comprising from 60 to 85 mol % of 1,6-hexanediol as main chain extender C1 and from 15 to 40 mol % of 1,3-propanediol as co-chain extender C2, as component C, (h) at least one catalyst, as component D, (i) conventional additives as component E.Type: ApplicationFiled: February 19, 2009Publication date: January 6, 2011Applicant: Base SEInventors: Oliver Steffen Henze, Stephan Friederichs, Ruediger Krech, Katja Hackmann, Marc Hansen
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Publication number: 20100324206Abstract: The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and a polyurethane dispersant having laterally attached pendant groups with tertiary amine group(s), an essentially linear backbone and laterally attached solvent-solubilising side chains of a polyester or polyether including mixtures of such side chains.Type: ApplicationFiled: December 3, 2007Publication date: December 23, 2010Applicant: LUBRIZOL ADVANCED MATERIALS, INC.Inventors: Stuart N. Richards, Andrew J. Shooter
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Publication number: 20100324254Abstract: A reactive hot melt adhesive exhibiting good hardness (flexibility) after curing while maintaining excellent initial adhesion properties is provided. The reactive hot melt adhesive is obtained by reacting a polyether polyol (A), an amorphous polyester polyol (B) having a softening point of less than 40° C., an amorphous polyester polyol (C) having a softening point of 40° C. or more, and a polyisocyanate compound (D).Type: ApplicationFiled: June 7, 2010Publication date: December 23, 2010Applicant: THE YOKOHAMA RUBBER CO., LTD.Inventor: Takeaki SAIKI
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Patent number: 7834102Abstract: The invention is an composition comprising a) one or more isocyanate functional polyether based prepolymers; b) one or more isocyanate functional polyester prepolymers wherein the one or more polyesters used to prepare the prepolymers having melting points of from about 45 to about 59° C.; c) one or more polyisocyanates having a nominal functionality of about 3 or greater; d) one or more nonconductive carbon blacks; e) one or more catalysts for the reaction of isocyanates moieties with hydroxyl groups. In a preferred embodiment the composition of the invention further comprises one or more isocyanate functional polyester prepolymers wherein the one or more polyesters used to prepare the prepolymers having melting points of about 60 to about 90° C.Type: GrantFiled: August 25, 2006Date of Patent: November 16, 2010Assignee: Dow Global Technologies Inc.Inventors: Lirong Zhou, Daniel P. Heberer
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Publication number: 20100261866Abstract: A compound having two or more thiol groups and an atom selected from metal atoms in a molecule, a polythiol composition containing such a compound, a polymerizable composition containing such a polythiol composition, a resin obtained by polymerization of such a polymerizable composition, and an optical component obtained from such a resin are provided. The polymerizable composition can be a raw material for a resin having high transparency, good heat resistance and mechanical strength required for optical components such as plastic lenses and the like, while attaining a high refractive index (nd) exceeding 1.7.Type: ApplicationFiled: June 25, 2010Publication date: October 14, 2010Applicant: Mitsui Chemicals, Inc.Inventors: Hiroshi NARUSE, Atsuo OTSUJI, Mitsuo NAKAMURA
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Publication number: 20100256322Abstract: The invention relates to a method for producing polyurethanes, based on the reaction of a polymer, which has hydroxyl groups, and a polyisocyanate. Furthermore, the present invention relates to an isocyanate-group-terminated polyaddition product produced according to this method, an adhesive which contains such an isocyanate-group-terminated polyaddition product, and the use of the polyaddition product as a curing component in adhesives. The polyurethanes according to the invention are obtained by reacting at least one polymer (A), which has at least two hydroxyl groups and which is obtained by the reaction of a polymer having at least two carboxyl and/or phenol groups of the formula (I) or (II) with a least one compound having at least one glycidyl group, with at least one polyisocyanate (B).Type: ApplicationFiled: December 15, 2008Publication date: October 7, 2010Applicant: Sika Technology AGInventors: Andreas Kramer, Jurgen Finter
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Publication number: 20100249291Abstract: The present invention relates to a reactive hot melt composition that is capable of shortening a molding cycle and is excellent in adhesion with a metal, such as aluminum and the like, and provides (1) a reactive hot melt composition containing a composition containing a crystalline polyesterpolyol and an amorphous polyester polyol, and a polyisocyanate reacted with the composition, and having a semicrystallization time of 150 seconds or less and a crystallization heat of from 30 to 90 J/g, (2) a reactive hot melt composition containing a composition containing 100 parts by mass of a polyol containing from 30 to 95% by mass of a crystalline polyesterpolyol and from 5 to 70% by mass of an amorphous polyesterpolyol, and from 0.05 to 5 parts by mass of a crystallization nucleating agent added to the polyol, and a polyisocyanate reacted with the composition, and (3) a molded article containing the same molded.Type: ApplicationFiled: August 24, 2007Publication date: September 30, 2010Applicant: UBE Industries, Ltd.Inventors: Hideki Ichihashi, Takayoshi Kaneko
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Publication number: 20100222540Abstract: The invention relates to NCO-functional prepolymers prepared from dicyclohexylmethane diisocyanate (H12MDI hereinafter) and polyether polyols, with a reduced tendency to crystallization, a fraction of the H12MDI being blended with further monomeric isophorone diisocyanate (IPDI hereinafter), so making it possible to reduce or prevent entirely the tendency to crystallization, and also to the preparation and use.Type: ApplicationFiled: September 25, 2008Publication date: September 2, 2010Applicant: EVONIK DEGUSSA GmbHInventors: Andre Raukamp, Dirk Hoppe, Christoph Nacke, Rainer Lomoelder
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Patent number: 7786326Abstract: The present invention relates to a polyacylurethane having the following general formula (I) and a process for the preparation of such polyacylurethane. Preferred embodiments of the polyacylurethanes according to the invention have elastomeric properties. The polyacylurethanes can suitable be used in biodegradable, biocompatible and/or biomedical devices.Type: GrantFiled: July 21, 2005Date of Patent: August 31, 2010Assignee: Stichting Voor de Technische WetenschappenInventors: Ralf Guillaume Jean Catharina Heijkants, Arend Jan Schouten, Leendert Willem Schwab, Frans Vincent Roukes, Albert Johan Pennings
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Publication number: 20100204430Abstract: The invention relates to a continuous process for the preparation of polyurethanes/polyureas, in which the components of a starting reaction composition are applied individually and/or as a mixture in a thin film to an inner region of a hot surface of a rotating body A so that the thin film flows over the hot surface of the rotating body A to an outer region of the hot surface of the rotating body A, the thin film leaves the hot surface as polyurethane/polyurea-containing reaction composition and, after leaving the hot surface, the reaction composition is abruptly cooled, a polyisocyanate component and a polyol/polyamine component being present as components of the starting reaction composition, the temperature of the hot surface being 70 to 400° C. and the abrupt cooling of the reaction composition being at least 30° C.Type: ApplicationFiled: September 1, 2008Publication date: August 12, 2010Inventors: Laurent Marc, Helmut Mack
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Publication number: 20100201925Abstract: Provided is a novel fluorene-based polymer having urethane bonds and a method for preparing the fluorene-based polymer. According to the method, a diol compound is condensed with a diisocyanate instead of an acid dianhydride, and then an acid anhydride is reacted with the reaction mixture to introduce desired acid groups into the final polymer. Further provided is a negative-type photosensitive resin composition comprising of the fluorene-based polymer as a binder resin. The composition exhibits improved chemical resistance, good development margin and high sensitivity due to presence of the acid groups despite the low molecular weight of the fluorene-based polymer.Type: ApplicationFiled: September 26, 2008Publication date: August 12, 2010Applicant: LG CHEM LTD.Inventors: Han Soo Kim, Sung Hyun Kim, Dong Chang Choi, Kyung Soo Choi, Ho Chan Ji, Min Young Lim, Geun Young Cha, Yoon Hee Heo, Ji Heum Yoo, Sun Hwa Kim
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Patent number: 7771806Abstract: Stable aqueous poly(urea/urethane) polymers and dispersions are made that do not require the inclusion of chain extenders, curing agents or crosslinking agents. The disclosed poly(urea/urethane) dispersions can be used to make articles such as films and gloves with reduced chance of chemical and biological allergic reaction to skin, and which exhibit improved puncture and tear resistance when compared to such articles made with other materials.Type: GrantFiled: November 4, 2003Date of Patent: August 10, 2010Assignee: INVISTA North America S.a r.l.Inventors: Young H. Kim, Michael O'Neill, Jiazhong Chen, Portia D. Yarborough
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Patent number: 7741404Abstract: The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and a polyurethane dispersant having an essentially linear backbone and laterally attached solvent-solubilising side chains of a polyester, a polyether, a polyacrylate or a polyolefin including mixtures of such side chains.Type: GrantFiled: May 11, 2004Date of Patent: June 22, 2010Assignee: The Lubrizol CorporationInventors: Stuart Nicholas Richards, Andrew James Shooter
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Publication number: 20100126664Abstract: A polyester polyol prepared from a composition including a phthalic acid based material containing more than 10% by weight of ortho-phthalic or derivatives thereof, an aliphatic dicarboxylic acid (e.g., dodecanedioic acid), and a polyol (e.g., a glycol). A polyurethane adhesive, such as a polyurethane reactive hot-melt adhesive, is made using the polyester polyol, which exhibits improved initial bonding strength, shortened setting time, and ability to bond to low surface energy substrates such as ABS. The methods to prepare the polyester polyol and the polyurethane adhesive, and the method to use them are also disclosed.Type: ApplicationFiled: February 5, 2010Publication date: May 27, 2010Inventor: Michael E. O'Brien
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Patent number: 7714093Abstract: Provided are a urethane resin solution to provide a urethane resin having a low tensile elasticity, a low elastic modulus under low temperatures, good elastic recovery, excellent heat resistance and excellent adhesion, a production method of the solution and a production method of the urethane resin. An isocyanate group-terminated prepolymer is synthesized by reacting a polyisocyanate compound with a polyetherester diol having a molecular weight of from 800 to 4,000, which is obtained by a ring-opening polymerization of a mixture of an alkylene oxide and a lactone monomer using a polyoxy tetramethylene diol having a molecular weight of from 500 to 2,500 as an initiator and using a composite metal cyanide complex catalyst if necessary, and the resulting prepolymer is reacted with a chain extender, for example, comprised of a low molecular weight diamine and/or a low molecular weight diol, in an organic solvent.Type: GrantFiled: August 22, 2006Date of Patent: May 11, 2010Assignee: Asahi Glass Company, LimitedInventors: Yukio Tsuge, Tomeyoshi Ohori, Hiroshi Wada
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Patent number: 7709589Abstract: The invention relates to high-reactivity polyurethane compositions. The invention further relates to low temperature curable polyurethane compositions which contain uretdione groups, particularly useful for polyurethane powder coating compositions and adhesive compositions, and to processes for preparing and using the same.Type: GrantFiled: October 6, 2004Date of Patent: May 4, 2010Assignee: Evonik Degussa GmbHInventors: Emmanouil Spyrou, Holger Loesch, Dirk Hoppe
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Publication number: 20100087617Abstract: The present invention provides a thermosetting polyurethane elastomer that is yellowing-free, has low hardness and does not give rise to bleeding without using any plasticizer, has little tack, and exhibits small changes in hardness with temperature. This is achieved by a composition forming a yellowing-free, low-hardness polyurethane elastomer, containing no plasticizer and having (A) an isocyanate-terminated prepolymer and (B) a polyester polyol, wherein the isocyanate-terminated prepolymer (A) is an isocyanate-terminated prepolymer obtained by reacting hexamethylene diisocyanate with a glycol having an alkyl group as a side chain and having a molecular weight no greater than 500, and the polyester polyol (B) is a polyester polyol obtained from trimethylolpropane, 3-methyl-1,5-pentanediol and adipic acid, and having an average number of functional groups of 2.5 to 3.5 and a number average molecular weight of 800 to 5,000.Type: ApplicationFiled: March 14, 2008Publication date: April 8, 2010Applicant: NIPPON POLYURETHANE INDUSTRY CO., LTD.Inventors: Teppei Oyanagi, Takahiro Aizawa