Agent Contains An Ethylenic Group Patents (Class 525/193)
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Patent number: 7094836Abstract: A compatibilizer including a first portion compatible with a fluoropolymer and a second portion compatible with a polyolefin. Compatibilized compositions comprising a polyolefin, a fluoropolymer, and a compatibilizer are also disclosed. Methods for forming both the compatibilizer and the blends contained in the compatibilizer are described. The compatibilized compositions of the present invention exhibit desired mechanical properties such as tensile strength and elongation. The flame retarded compatibilized blends exhibit desirable dielectric properties, are flame resistant and exhibit low smoke emission.Type: GrantFiled: March 4, 2004Date of Patent: August 22, 2006Assignee: Teknor Apex CompanyInventors: Raman Patel, Biing-Lin Lee, John C. Andries, Maryellen Cox
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Patent number: 7074859Abstract: A golf ball is characterized by comprising a molded and vulcanized product of a rubber composition as a constituent component, the rubber composition comprising 100 pbw of a base rubber including 60–100 wt % of a polybutadiene containing at least 60 wt % of cis-1,4-bond, having a Mooney viscosity (ML1+4 (100° C.)) of at least 40, and synthesized using a rare-earth catalyst, 10–60 pbw of an unsaturated carboxylic acid and/or a metal salt thereof, 0.1–5 pbw of an organosulfur compound, 5–80 pbw of an inorganic filler, and at least two organic peroxides including an organic peroxide having the shortest half-life at 155° C. designated (a) and another organic peroxide having the longest half-life at 155° C. designated (b), a ratio of half-lives (bt/at) being from 7 to 20 wherein at is the half-life of (a) and bt is the half-life of (b), a total content of the organic peroxides being 0.1–0.8 pbw per 100 pbw of the base rubber.Type: GrantFiled: April 25, 2003Date of Patent: July 11, 2006Assignee: Bridgestone Sports Co., Ltd.Inventors: Hiroshi Higuchi, Nobuyuki Kataoka, Atsushi Nanba, Hiroyuki Nagasawa
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Patent number: 7067582Abstract: The invention is directed to golf ball core compositions comprising at least one natural or synthetic rubber and at least one high Vicat softening temperature thermoplastic material, methods of preparing the compositions, and golf ball cores and golf balls including the compositions. The compositions of the invention are made by mixing at least one natural or synthetic rubber and at least one thermoplastic or thermoplastic elastomer at a first temperature; cooling the mixture to a second temperature which is below an activation temperature of a free-radical initiator; adding the free-radical initiator to the first mixture to form a second mixture; and heating the second mixture to a third temperature that to facilitate crosslinking. The golf ball cores are incorporated into multilayer balls including dual cover balls with thin outer layers.Type: GrantFiled: November 25, 2003Date of Patent: June 27, 2006Assignee: Acushnet CompanyInventors: Murali Rajagopalan, Derek A. Ladd
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Patent number: 7019077Abstract: The present invention provides a resin composition for a primer comprising (a) 100 parts by weight of a chlorinated polyolefin having a chlorine content of 5–50 wt. % and a weight-average molecular weight of 30000–120000, and (b) 15–80 parts by weight of a hydroxyl-containing petroleum resin.Type: GrantFiled: November 27, 2002Date of Patent: March 28, 2006Assignees: Toyo Kasei Kogyo Company Limited, Arakawa Chemical Industries, Ltd.Inventors: Satoshi Yoshikawa, Takafumi Masuda, Shoji Maekawa, Takumi Okazaki, Tsukasa Ishimoto
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Patent number: 7019087Abstract: A method for the production of moldable masses is provided. The method includes compounding a polyolefin having a density of less than about 0.918 g/cm3 serial cross-linking agents. The moldable masses can be used the production of low-emission floor coverings with excellent material properties.Type: GrantFiled: August 12, 2002Date of Patent: March 28, 2006Assignee: DLW AktiengesellschaftInventors: Hanns-Jörg Mauk, Bernd Fischer, Renate Stefani
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Patent number: 7005478Abstract: The present invention is directed to methods of making natural or synthetic latex articles without the use of accelerators, thiurams or carbamates. The method includes making an elastomeric material by mixing a base polymer containing carboxylate groups with a carboxylic acid or derivative thereof, a divalent or trivalent metal, an amine or amino compound, and a neutralizing agent. The elastomeric material is formed into a latex article. The present invention is also directed to a latex article made according to this method. The latex article does not contain any accelerators, thiurams or carbamates.Type: GrantFiled: November 4, 2003Date of Patent: February 28, 2006Assignee: Best Manufacturing CompanyInventors: William Andrus Williams, Joyce Lee Cleveland
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Patent number: 6982301Abstract: A golf ball comprising a solid core and a cover disposed about the core, wherein the core is formed from a polybutadiene blend comprising a) a first polybutadiene having a first Mooney viscosity between about 50 and about 150, and b) a second polybutadiene having a second Mooney viscosity between about 30 and about 100, wherein the first Mooney viscosity is greater than the second Mooney viscosity, and wherein the blend has a greater weight percentage of the first polybutadiene than that of the second polybutadiene.Type: GrantFiled: August 12, 2003Date of Patent: January 3, 2006Assignee: Acushnet CompanyInventors: Peter R. Voorheis, Samuel A. Pasqua, Jr., Michael J. Sullivan, David A. Bulpett, Derek A. Ladd
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Patent number: 6964999Abstract: A vinyl polymer having at least one terminal group of the general formula (1) per molecule; —OC(O)C(R)?CH2??(1) wherein R represents hydrogen or an organic group containing 1 to 20 carbon atoms; a curable composition containing said polymer; an aqueous emulsion containing either said polymer or said curable composition; a pressure sensitive adhesive composition and a pressure sensitive adhesive each comprising said curable composition or aqueous emulsion.Type: GrantFiled: March 1, 1999Date of Patent: November 15, 2005Assignee: Kaneka CorporationInventors: Yoshiki Nakagawa, Masayuki Fujita, Kenichi Kitano
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Patent number: 6924013Abstract: The present invention relates to a coextrusion binder useful for petrol tanks of HDPE/binder/EVOH or PA/binder/HDPE structure.Type: GrantFiled: April 6, 2000Date of Patent: August 2, 2005Assignee: Arkema (formerly ATOFINA)Inventors: Jean-Claude Jammet, Christophe Le Roy, Xavier Marical, Jérôme Pascal
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Patent number: 6921792Abstract: Disclosed are a chemically modified polyolefin elastomer composition that is highly compatible with thermoplastics and useful in improving the low temperature impact strength of thermoplastics, and a method for preparing the chemically modified polyolefin elastomer composition. The elastomer composition includes a polyolefin resin and a chemically modified ethylene-?-olefin elastomer mixed with the polyolefin resin. The chemically modified ethylene-?-olefin elastomer includes an ethylene-?-olefin elastomer backbone and grafted branches from the backbone. The branches includes polymers of one or more monomers comprising an unsaturated organic compound containing at least one carbonyl group. The method of producing the composition includes mixing an ethylene-?-olefin elastomer and a polyolefin resin to provide a mixture thereof, to which added is one or more monomers having an unsaturated organic compound containing at least one carbonyl group.Type: GrantFiled: February 7, 2002Date of Patent: July 26, 2005Assignee: Kumho Polychem Co., Ltd.Inventors: Sang Bae Kim, Sung Su Na, Yeon Won Jeyong
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Patent number: 6916508Abstract: It is an object of the present invention to provide a method of coating a plastic molding which is appropriately applicable to various plastic substrates, an ultraviolet-curable under coating for metal evaporation, which is to be used in that method of coating, and a plastic molding obtained by that method of coating.Type: GrantFiled: May 24, 2002Date of Patent: July 12, 2005Assignee: Nippon Paint Co., Ltd.Inventors: Yoichi Adachi, Kazuhiko Takashima, Akira Ushio, Sakae Matsui
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Patent number: 6890992Abstract: The present invention is directed toward more durable golf ball cores and more durable golf balls. The golf balls of this invention comprise a cover and a core wherein the core may further comprise a center and one or more layers of a mantle disposed between the center and the cover. The core, the mantle or the layers of the mantle, comprise a mixture of one or more thermoset rubber materials and at least one compatible, modified, non-ionic polyolefin. The non-ionic polyolefin that is modified may be a homopolymer, copolymer, terpolymer, block copolymer or a mixture thereof that is present at about 0.5 to about 10 parts per hundred of the thermoset rubber material used in the core or core layer.Type: GrantFiled: October 3, 2002Date of Patent: May 10, 2005Assignee: Acushnet CompanyInventor: Jeffrey L. Dalton
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Patent number: 6890990Abstract: A thermoplastic elastomer with increased oil resistance and decreased compression set compared to conventionally cured thermoplastic elastomers may be made from a dynamically vulcanized blend of propylene resin and ethylene/alpha-olefin/non-conjugated diene elastomers via a curing system containing a free radical initiator, a first co-agent including diene-containing polymers with a 1,2-vinyl content greater than 50% by weight, and a second co-agent including multifunctional acrylates containing at least two acrylate groups, multifunctional maleimides containing at least two imide groups, or mixtures of both, where the elastomer gel content in the modified blend is at least 97%.Type: GrantFiled: May 30, 2003Date of Patent: May 10, 2005Assignee: Solvay Engineered Polymers, Inc.Inventors: Kevin Cai, Howard Colvin, Charles G. Reid, Hoan Tran
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Patent number: 6884843Abstract: A method of preparing a cured laminate employing electron beam radiation is provided. The cured laminate is prepared from an uncured laminate including a prepolymer composition containing oligomer, tackifying resin, and optionally, monomer. Also provided are a prepolymer composition and an article including the cured laminate prepared by the method of this invention. The method is useful for preparing cured laminates such as flexible laminates for food packaging.Type: GrantFiled: April 30, 2002Date of Patent: April 26, 2005Assignee: Rohm and Haas CompanyInventors: Thomas Frederick Kauffman, David William Whitman
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Patent number: 6881791Abstract: A curable, water-based coating composition comprising a reaction product of: a copolymer comprising a free-radical polymerization product of: a first block comprising a reaction product of: a plurality of ethylenically unsaturated monomers, and a vinyl aromatic hydrocarbon monomer, wherein at least one monomer of the plurality of ethylenically unsaturated monomers includes a functional group that can react with a water-dispersible cross-linking agent, and at least one monomer of the plurality of ethylenically unsaturated monomers is present in an amount such that it can render the copolymer water dispersible, and a second block comprising a reaction product of at least one ethylenically unsaturated monomer, wherein at least a portion of which are non-functional, and a water-dispersible cross-linking agent, wherein the water-based copolymer is free of salt structures.Type: GrantFiled: June 5, 2003Date of Patent: April 19, 2005Assignee: BASF CorporationInventors: Swaminathan Ramesh, Paul Harris, Wolfgang Bremser, Walter H. Ohrbom
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Patent number: 6875815Abstract: Disclosed is a thermosetting powder coating composition comprising (A) a glycidyl group-containing acrylic resin obtained by (co)polymerizing monomers containing an ethylenically unsaturated monomer having a glycidyl group and/or a ?-methylglycidyl group, (B) a polycarboxyl curative, and (C) an alcohol adduct of a styrene/maleic anhydride copolymer. Also disclosed are a cross-linked cured film of the composition and a process for preparing the composition. According to the invention, blending efficiency and dispersibility of the components of a powder coating, particularly those between the resin component and the curative component, are improved without changing a conventional production process of a powder coating, i.e., a process consisting of melt blending, cooling solidification, pulverization and sieving, and thereby a thermosetting powder coating composition, which is capable of forming a cross-linked cured film improved in appearance properties (high gloss, etc.Type: GrantFiled: May 28, 2003Date of Patent: April 5, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Mitsuyuki Mizoguchi, Yoshiharu Hirose
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Patent number: 6864321Abstract: Compositions comprising (A) non-branched polybutadiene having terminal hydroxyl functionality less than 2 per molecule by average; and (B) branched polybutadiene having terminal hydroxyl functionality more than 2 per molecule by average; the weight ratio of (A) to (B) being about 99:1 to 1:99. These compositions are reacted with organic polyisocyanates to form prepolymers which are cured by reaction with a chain extender such as a diol to produce cured resins which exhibit unexpectedly improved tear strength properties and themoplasticity with high modulus, and improved tackiness and shelf life for hot melt adhesives. The prepolymers have lower viscosity and better storage stability as compared with those from conventional branched polybutadienes of the (B) type. Alternatively, the compositions can be cured directly in a one-shot reaction with diisocyanates to form a polyurethane with the described combination of properties.Type: GrantFiled: December 10, 2003Date of Patent: March 8, 2005Assignee: Sartomer Technology Co., Inc.Inventors: Herbert Chao, Nan Tian, Alain Drexler, John Schmidhauser
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Patent number: 6861481Abstract: An ionomeric nanocomposite that includes a base component of a propylene-based polyolefin-metal salt component and a nanostructured material. Optionally, the blend further contains a polymeric component including an ethylene ionomer, a styrenic block ionomer, a hydrogenated styrene-butadiene random copolymer, or a combination thereof. Such ionomeric nanocomposites have increased scratch and mar resistance while still retaining clarity and thermal stability. Methods of preparing such blends, as well as resultant articles including such blends, are also part of the invention.Type: GrantFiled: June 11, 2003Date of Patent: March 1, 2005Assignee: Solvay Engineered Polymers, Inc.Inventors: Rui-dong Ding, Clint Newell
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Patent number: 6841620Abstract: The present invention includes a composition comprising a coupled impact propylene copolymer. Preferably, the coupled impact propylene copolymer has an elastomeric phase that is present in an amount of at least 9 weight percent of the coupled propylene copolymer. Articles formed from the coupled propylene copolymer exhibit improved directionally balanced impact properties as compared with articles formed form comparable noncoupled impact propylene copolymers and also exhibit improved ductile-to-brittle transition temperatures compared with comparable noncoupled impact propylene copolymers. The invention also includes methods for making the coupled impact propylene copolymers using coupling agents, preferably, poly(sulfonyl azides). The invention further includes articles of manufacture that are made from the coupled impact propylene copolymer of the invention.Type: GrantFiled: October 25, 2002Date of Patent: January 11, 2005Assignee: Dow Global Technologies Inc.Inventors: Patricia Ansems, H. Craig Silvis, Lisa S. Madenjian
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Patent number: 6838520Abstract: Adhesives useful for adhering fluoropolymers are provided. The adhesives are a blend of linear low density polyethylene, ethylene polymer plastomer, polyolefin elastomer and modified polyolefin having acid or acid derivative functionality. Composite fluoropolymer/adhesive structures are also provided.Type: GrantFiled: May 29, 2003Date of Patent: January 4, 2005Assignee: Equistar Chemicals, LPInventor: Bradley P. Etherton
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Patent number: 6835776Abstract: Thermoplastic molding materials containing the following ingredients with regard to components A-F: A) 5-70 wt. % of at least one graft copolymer A) consisting of a rubber elastic base with a glass transition temperature below 0° and a grafted overlay made of a styrene compound and acrylonitrile or methacrylonitrile or mixture thereof in addition to, optionally, other monoethylenically unsaturated monomers, B) 29-90 wt. % of a hard copolymer made of at least one styrene compound, acrylonitrile or methacrylonitrile or mixtures thereof and, optionally, other monoethylenically unsaturated monomers, C) 0-5 wt. % of at least one three-block copolymer X-Y-X with a middle block Y propylenoxide units and terminal block X made of ethyleneoxide units, D) 0.01-5 wt. % of at least one butylated reaction product of cresol with dicyclopentadiene, E) 0.01-5 wt. % of at least one thiocarboxylic acid ester, F) 0.01-5 wt.Type: GrantFiled: November 25, 2002Date of Patent: December 28, 2004Assignee: BASF AktiengesellschaftInventors: Norbert Güntherberg, Bernhard Czauderna, Peter Ittemann
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Patent number: 6835775Abstract: The graft copolymer made from a1: from 10 to 90% by weight of a particulate graft base A1, made from a particulate emulsion polymer with a glass transition temperature below 0° C.Type: GrantFiled: October 31, 2002Date of Patent: December 28, 2004Assignee: BASF AktiengesellschaftInventors: Michael Breulmann, Sabine Oepen, Norbert Niessner, Norbert Güntherberg, Wil Duijzings, Graham Edmund Mc Kee, Peter Rossmanith
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Patent number: 6834697Abstract: A tire having a visible sidewall of a rubber composition containing a combination of: (A) a liquid ethylene/butylene copolymer having a terminal hydroxyl group on one end of the copolymer and either a partially hydrogenated polyisoprene block containing olefinic double bonds, or an epoxidized polyisoprene block containing olefinic double bonds, on the other end of the copolymer, (B) cis 1,4-polybutadiene rubber, (C) a brominated copolymer of isobutylene and para-methylstyrene, and (D) a minor amount of at least one conjugated diene-based rubber, preferably cis 1,4-polyisoprene. In such manner, it is considered herein that such liquid polymers are functional liquid polymers via the associated terminal hydroxyl group on one end of the copolymer and the modified polyisoprene blocks on the other end.Type: GrantFiled: September 17, 2002Date of Patent: December 28, 2004Assignee: The Goodyear Tire & Rubber CompanyInventor: Paul Harry Sandstrom
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Patent number: 6835779Abstract: A golf ball consisting of a core and a cover. The core has a diameter of between about 1.54 and about 1.58 inches and a compression of between about 22 and about 50. Additionally, the core includes a polybutadiene rubber having a Mooney viscosity of less than about 50 and a halogenated organosulfur compound present in an amount of at least about 2.2 parts per hundred parts of polybutadiene rubber, the halogenated organosulfur compound having the formula: where R1-R5 are C1-C8 alkyl groups; halogen groups; thiol groups; carboxylated groups; sulfonated groups; or hydrogen; and a regrind filler present in an amount of from about 5 parts to about 26.5 parts per hundred parts of polybutadiene rubber. The cover has a thickness of between about 0.05 inches and about 0.1 inches and consisting essentially of a first ionomeric material and a second ionomeric material. The golf ball has a coefficient of restitution of at least about 0.813 when measured at 125 ft/s.Type: GrantFiled: December 3, 2002Date of Patent: December 28, 2004Assignee: Acushnet CompanyInventors: Peter Voorheis, Ryan W Bosanko, David A Bulpett, Derek A Ladd, Murali Rajagopalan
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Patent number: 6831132Abstract: In accordance with the present invention, there are provided film adhesive compositions comprising at least one macromonomer having at least one unit of ethylenic unsaturation, at least one thermoplastic elastomer co-curable with the macromonomer, and at least one cure initiator, and methods for use thereof. Invention compositions are useful as adhesives in the microelectronics industry. In particular, invention film adhesives may be used to produce microelectronic assemblies with very thin bond lines without compromising adhesive strength.Type: GrantFiled: March 28, 2002Date of Patent: December 14, 2004Assignee: Henkel CorporationInventors: Puwei Liu, Stephen M. Dershem, Kang Yang, Carolyn C. Albino
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Patent number: 6822045Abstract: A rubber-modified resin obtained by conducting polymerization of a vinyl monomer in the presence of a mixed rubber latex of a silicone rubber latex (A) and an acrylic rubber latex (B), during which polymer particles are coagglomerated to enhance the particle size. The rubber-modified resin is useful as impact modifier and provides thermoplastic resin compositions having an excellent impact resistance by the incorporation thereof into thermoplastic resins.Type: GrantFiled: June 18, 2002Date of Patent: November 23, 2004Assignee: Kaneka CorporationInventors: Nobuo Miyatake, Akira Takaki
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Patent number: 6803423Abstract: An (meth)acryloyl group-modified ethylene-&agr;-olefin copolymer (A) which has (meth)acryloyl group as a the side-chain thereof, wherein the intrinsic viscosity [&eegr;] was 0.01 to 10 dl/g measured in decalin at a temperature of 135° C.; and a rubber composition which comprises said (meth)acryloyl group-modified ethylene-&agr;-olefin copolymer, a vulcanizing agent, and/or a crosslinking agent; in addition, a liquid curable rubber composition which comprises, component (A), reactive diluent (D), and if necessary, photopolymerization initiator (E).Type: GrantFiled: June 17, 2002Date of Patent: October 12, 2004Assignee: JSR CorporationInventors: Toshiyuki Hayakawa, Toshihiro Nishimura, Motoharu Higuchi, Minoru Tanaka, Shoei Tsuji
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Patent number: 6800694Abstract: A fluorine-containing graft copolymer is made from a backbone of an olefin polymer material to which is graft polymerized (a) at least one gaseous fluorinated monomer such as vinylidene fluoride, (b) at least one fluorinated acrylic acid or ester, (c) a mixture of (a) and (b), or (d) a mixture of (a) and/or (b) and a non-fluorinated monomer such as methyl methacrylate. An organic peroxide or a polymeric peroxide is used as the initiator for the graft polymerization process. The graft copolymers have improved surface properties and oxygen barrier properties, and improved thermal stability.Type: GrantFiled: September 14, 2001Date of Patent: October 5, 2004Assignee: Basell Poliolefine Italia S.p.A.Inventors: Leonardo Formaro, Suhas G. Niyogi, Anthony J. DeNicola, Jr.
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Patent number: 6790909Abstract: The invention relates to a process for preparing a reaction product (RP) which is functionalized by groups containing halogen or sulfonyl chloride by reaction of at least one free-radically polymerizable monomer, at least one compound of the formula (I), at least one free-radical initiator and at least one free-radically polymerizable monomer containing halogen or sulfonyl chloride groups under free-radical conditions, and to a reaction product (RP) which can be prepared by the process of the present invention and to the use of the reaction product (RP) as macroinitiator for the preparation of graft copolymers. Furthermore the invention relates to a process for preparing graft copolymers by reaction of the reaction product (RP) with at least one suitable monomer and to graft copolymers which can be prepared by the process of the present invention and also to the use of the graft copolymers of the present invention.Type: GrantFiled: July 14, 2003Date of Patent: September 14, 2004Assignee: BASF AktiengesellschaftInventors: Yvonne Heischkel, Nicolas Stöckel, Philipp Wieland, Marcus Schäfer, Oskar Nuyken
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Patent number: 6780937Abstract: A rubber composition having improved processability and which provides a vulcanized rubber exhibiting excellent wear resistance and good tensile strength to service temperatures of up to about 150° C. The composition comprises (1) a crosslinked polymer particle having as repeat units (a) up to about 25% of a conjugated diene unit, (b) at least 70% of an aromatic vinyl unit, (c) about 15% to about 30% of a crosslinking monomer, and (d) about 0.Type: GrantFiled: August 29, 2002Date of Patent: August 24, 2004Assignee: The Goodyear Tire & Rubber CompanyInventor: Eric Sean Castner
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Patent number: 6774187Abstract: A golf ball comprising a solid core and a cover disposed about the core, wherein the core is formed from a polybutadiene blend comprising a) a first polybutadiene having a first Mooney viscosity between about 50 and about 150, and b) a second polybutadiene having a second Mooney viscosity between about 30 and about 100, wherein the first Mooney viscosity is greater than the second Mooney viscosity, and wherein the blend has a greater weight percentage of the first polybutadiene than that of the second polybutadiene.Type: GrantFiled: June 7, 2002Date of Patent: August 10, 2004Assignee: Acushnet CompanyInventors: Peter R. Voorheis, Samuel A. Pasqua, Jr., Michael J. Sullivan, David A. Bulpett, Derek A. Ladd
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Patent number: 6762244Abstract: The invention is directed to golf ball core compositions comprising at least one natural or synthetic rubber and at least one high Vicat softening temperature thermoplastic material, methods of preparing the compositions, and golf ball cores and golf balls including the compositions. The compositions of the invention are made by mixing at least one natural or synthetic rubber and at least one thermoplastic or thermoplastic elastomer at a first temperature; cooling the mixture to a second temperature which is below an activation temperature of a free-radical initiator; adding the free-radical initiator to the first mixture to form a second mixture; and heating the second mixture to a third temperature that to facilitate crosslinking. The golf ball cores are incorporated into multilayer balls including dual cover balls with thin outer layers.Type: GrantFiled: August 29, 2001Date of Patent: July 13, 2004Assignee: Acushnet CompanyInventors: Murali Rajagopalan, Derek A. Ladd
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Patent number: 6756443Abstract: An ionomer/polyamide blend with improved flow (e.g., lower viscosity) can be achieved while simultaneously maintaining or improving physical properties such as low temperature Izod impact resistance by the addition of low molecular weight ethylene/acrylic acid copolymer (e.g., so-called acid wax polymer derived from copolymerizing at least 5 weight percent and preferably greater than 9 weight percent acrylic acid and/or methacrylic acid with ethylene and having a melt index, ASTM D1238, preferably greater than 900 dg/min and most preferably greater than 5,000 dg/min). Optionally, the blends can further contain additives such as very low density polyethylene (VLDPE), ethylene propylene elastomer (EPR), ethylene propylene diene monomer elastomer (EPDM), corresponding maleic anhydride grafted elastomers (MAN-g-VLDPE; MAN-g-EPR; and MAN-g-EPDM), or mixtures thereof.Type: GrantFiled: January 25, 2002Date of Patent: June 29, 2004Assignee: E. I. du Pont de Nemours and CompanyInventor: Stewart Carl Feinberg
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Patent number: 6750281Abstract: A golf ball and a method of manufacturing thereof are provided, the golf ball having a core containing a Mg vulcanized rubber powder crosslinked by a magnesium salt of an unsaturated carboxylic acid and another vulcanized rubber powder crosslinked by a co-crosslinking agent other than the magnesium salt of the unsaturated carboxylic acid. Preferably, the ratio &agr;/&bgr; between the content &agr; of the Mg vulcanized rubber powder and the content &bgr; of another vulcanized rubber powder is 1/4 to 4, and the total content &agr;+&bgr; of the vulcanized rubber powders based on 100 parts by mass of a base rubber of the core is 5 to 30 parts by mass.Type: GrantFiled: October 9, 2002Date of Patent: June 15, 2004Assignee: Sumitomo Rubber Industries, Ltd.Inventors: Tsutomu Hirau, Hiroaki Tanaka
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Patent number: 6750288Abstract: The present invention relates to an isotactic polypropylene obtained by metallocene catalysis, onto which is grafted a functional monomer. The invention also relates to a composition which may form part of the composition of a coextrusion binder. This composition according to the invention comprises isotactic polypropylene obtained by metallocene catalysis, grafted and then optionally diluted with at least one polyolefin (C1) and/or in at least one polymer of elastomeric nature (D). The invention also relates to a multilayer structure comprising a layer (L) comprising the above binder, and, directly attached thereto, a layer (E): which is polar, nitrogenous or oxygenated, such as a layer of polyamide resin, of ethylene/saponified vinyl acetate copolymer (EVOH) or of polyester; or of a mineral oxide deposited on a polymer such as polyethylene (PE), polyethylene terephthalate (PET) or EVOH; or which is metallic or metalloplastic.Type: GrantFiled: July 31, 2002Date of Patent: June 15, 2004Assignee: AtofinaInventor: Jean-Laurent Pradel
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Patent number: 6746738Abstract: The present invention relates to a coextrusion binder comprising: 5 to 30 parts of a polymer (A), itself comprising a blend of a polyethylene (A1) of relative density between 0.935 and 0.980 and of a polymer (A2) chosen from elastomers, very low-density polyethylenes and ethylene copolymers, the (A1)+(A2) blend being cografted with an unsaturated carboxylic acid; 95 to 70 parts of a polyethylene (B) of relative density between 0.930 and 0.950; the blend of (A) and (B) being such that: its relative density is between 0.930 and 0.950, the content of grafted unsaturated carboxylic acid is between 30 and 10,000 ppm, the MFI (melt flow index) measured according to ASTM D 1238 at 190° C./21.6 kg is between 5 and 100. This binder is particularly useful for petrol tanks of structure: HDPE/binder/EVOH or PA/binder/HDPE.Type: GrantFiled: April 6, 2000Date of Patent: June 8, 2004Assignee: AtofinaInventors: Christophe Le Roy, Xavier Marical, Jérôme Pascal
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Patent number: 6743863Abstract: A resin composition comprising the following components (A), (B) and (C), wherein the content of component (A) is from 10 to 90 wt %, component (B):component (C)=from 10:1 to 1:5 (weight ratio), the intrinsic viscosity [&eegr;] is in the range from 0.17 to 0.40 m3/kg, and the density is in the range from 935 to 968 kg/m3: Component (A): a homopolymer of ethylene or a copolymer of ethylene having an &agr;-olefin content of from 0 to 0.5 wt %, and an intrinsic viscosity [&eegr;] of from 0.035 to 0.17 m3/kg, Component (B): a homopolymer of ethylene or a copolymer of ethylene having an &agr;-olefin content of from 0 to 0.5 wt %, and an intrinsic viscosity [&eegr;] of from 0.2 to 1.0 m3/kg, and Component (C): a copolymer of ethylene having an &agr;-olefin content of from 0.7 to 15 wt %, and an intrinsic viscosity [&eegr;] of from 0.2 to 1.0 m3/kg.Type: GrantFiled: August 2, 2002Date of Patent: June 1, 2004Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Tetsuya Iizuka, Shigeharu Yamamoto, Masao Kawahara, Toshifumi Takemori, Masashi Iida, Katsutoshi Nishitani
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Patent number: 6739985Abstract: The present invention is directed to improved polybutadiene compositions suitable for use in molded golf ball core construction. The improved polybutadiene compositions are composed of at least two certain types of polybutadiene, which has the effect of increasing the resiliency of the resulting molded cores and greatly facilitates processing of the compositions and forming the cores. Also disclosed are improved golf ball cores, and balls utilizing such cores, formed from particular ultra high Mooney viscosity polybutadiene.Type: GrantFiled: May 17, 2002Date of Patent: May 25, 2004Assignee: Callaway Golf CompanyInventor: R. Dennis Nesbitt
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Publication number: 20040097648Abstract: A thermoplastic resin composition comprising 10 to 98 parts by weight of a graft polymer (1A) containing a rubber-like polymer (1G) having a diene unit content of 50% by weight or less, 2 to 50 parts by weight of a hydroxyl group-containing acrylic copolymer (1B) and 0 to 80 parts by weight of other thermoplastic resin (1F), wherein the rubber-like polymer (1G) is at least one selected from the group consisting of a diene-based rubber, a polyorganosiloxane-based rubber and an olefin-based rubber; and, a graft copolymer (2A) obtained by grafting a vinyl-based polymer to a (meth)acrylate-based rubber-like polymer (2G) expansion-treated with an acid group-containing copolymer latex (2K) wherein the (meth)acrylate-based rubber-like polymer contains two or more poly-functional monomer units.Type: ApplicationFiled: December 18, 2003Publication date: May 20, 2004Inventors: Yoshihiro Nakai, Hideyuki Shigemitsu, Yukio Kitaike
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Patent number: 6729973Abstract: The present invention provides a solid golf ball having excellent rebound characteristics and excellent durability, and showing good workability when producing. The present invention relates to a solid golf ball composed of at least one layer of a rubber material as a component, wherein the rubber material is formed from the rubber composition comprising a base rubber, a co-crosslinking agent, an organic peroxide and an inorganic filler, and the rubber composition comprises 10 to 100 parts by weight of a polybutadiene containing a cis-1,4 bond of not less than 80%, having a Mooney viscosity of not less than 50 to less than 65 ML1+4 (100° C.), a ratio (Mw/Mn) of weight average molecular weight (Mw) to number average molecular weight (Mn) of 2.5 to 3.5 and Mw of 50×104 to 70×104, synthesized using lanthanide-containing catalyst, based on 100 parts by weight of the base rubber.Type: GrantFiled: November 21, 2002Date of Patent: May 4, 2004Assignee: Sumitomo Rubber Industries, LTDInventors: Koichi Fujisawa, Yoshikazu Yabuki, Kazuhisa Fushihara
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Patent number: 6730722Abstract: The invention provides cross-linkable polymer powder compositions containing a) at least one water-soluble polyhydroxy compound; b) at least one boric acid complex compound which is of limited solubility in water that is, it has a water solubility of less than 10 g per liter at normal conditions; and optionally c) a water-soluble film-forming polymer consisting of one or more free-radical polymerizable, ethylenically unsaturated monomers. The compositions are useful as a constituent in adhesives, plaster, jointing mortars, paints and binders for coating compositions, textiles, paper and the like.Type: GrantFiled: February 2, 2001Date of Patent: May 4, 2004Assignee: Wacker-Chemie GmbHInventors: Herbert Eck, Hans Donislreiter
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Patent number: 6727316Abstract: The use of a copolymer (A) preparable by free-radical polymerization of a) at least one olefinically unsaturated monomer and b) at least one olefinically unsaturated monomer different than the olefinically unsaturated monomer (a) and of the general formula I R1R2C═CR3R4 (I), in which the radicals R1, R2, R3 and R4 each independently of one another are hydrogen atoms or substituted or unsubstituted alkyl, cycloalkyl, alkylcycloalkyl, cycloalkylalkyl, aryl, alkylaryl, cycloalkylaryl, arylalkyl or arylcycloalkyl radicals, with the proviso that at least two of the variables R1, R2, R3 and R4 are substituted or unsubstituted aryl, arylalkyl or arylcycloalkyl radicals, especially substituted or unsubstituted aryl radicals; in an aqueous medium, in a coating material used to produce surfacer coats and antistonechip primer coats.Type: GrantFiled: December 13, 2001Date of Patent: April 27, 2004Assignee: BASF Coatings AGInventor: Wolfgang Bremser
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Patent number: 6716924Abstract: A process for preparing an ethylene polymer composition comprises a step (I) to prepare an ethylene (co)polymer (i) having [&eegr;] of at least 1.5 times the intrinsic viscosity of a (co)polymer (ii) and a step (II) to prepare an ethylene (co)polymer (ii) having [&eegr;] of 0.3 to 3 dl/g, said steps (I) and (II) using a catalyst containing a component obtained by contacting a liquid Mg compound with a liquid Ti compound in the presence of an organosilicon compound, wherein the step (II) is carried out in the presence of the polymer (i) or the step (I) is carried out in the presence of the polymer (ii), to prepare an ethylene polymer composition having [&eegr;] of 1 to 6 dl/g and a density of not less than 0.94 g/cm3.Type: GrantFiled: April 22, 2002Date of Patent: April 6, 2004Assignee: Mitsui Chemicals, Inc.Inventors: Toshiyuki Tsutsui, Tsuneo Yashiki, Yasuo Funabara
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Patent number: 6716928Abstract: Improved grafted propylene copolymer compositions and adhesive blends containing same are provided. The grafts are obtained by reacting propylene-ethylene impact copolymers having specified rubber contents and molecular weight distributions with ethylenically unsaturated acids or acid derivatives, such as maleic anhydride.Type: GrantFiled: August 16, 2002Date of Patent: April 6, 2004Assignee: Equistar Chemicals, LPInventor: Maged G. Botros
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Patent number: 6713561Abstract: The invention relates to a polyethylene moulding compound having a multimodal molecular weight distribution which has an overall density of ≧0.940 g/cm3 and an MFI190/5 in the range from 0.01 to 10 dg/min. The moulding compound according to the invention comprises an amount of from 30 to 60% by weight of low-molecular-weight ethylene homopolymer A which has a viscosity number VNA in the range from 40 to 150 cm3/g, an amount of from 30 to 65% by weight of high-molecular-weight copolymer B comprising ethylene and a further olefin having from 4 to 10 carbon atoms which has a viscosity number VNB in the range from 150 to 800 cm3/g, and an amount of from 1 to 30% by weight of ultrahigh-molecular-weight ethylene homopolymer C which has a viscosity number VNC in the range from 900 to 3000 cm3/g. The invention also relates to a method for the production of the moulding compound in a three-step process, and to the use thereof for the production of hollow articles.Type: GrantFiled: March 21, 2002Date of Patent: March 30, 2004Assignee: Basell Polyolefine GmbHInventors: Joachim Berthold, Ludwig Böhm, Johannes-Friedrich Enderle, Reinhard Schubbach
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Publication number: 20040054086Abstract: Propylene ethylene copolymers with an ethylene content between 8 and 32 mole % have been grafted with maleic anhydride and a peroxide. The functionality level is higher than what is reported with polypropylene.Type: ApplicationFiled: October 27, 2003Publication date: March 18, 2004Inventors: Jean-Roch H. Schauder, Sudhin Datta
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Patent number: 6706816Abstract: The present invention is directed to methods of making natural or synthetic latex articles without the use of accelerators, thiurams or carbamates. The method includes making an elastomeric material by mixing a base polymer containing carboxylate groups with a carboxylic acid or derivative thereof, a divalent or trivalent metal, an amine or amino compound, and a neutralizing agent. The elastomeric material is formed into a latex article. The present invention is also directed to a latex article made according to this method. The latex article does not contain any accelerators, thiurams or carbamates.Type: GrantFiled: July 11, 2001Date of Patent: March 16, 2004Assignee: Best Manufacturing CompanyInventors: William Andrus Williams, Joyce Lee Cleveland
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Patent number: 6706817Abstract: What is described is a polymeric hydrogel of a polymeric anhydride or acid, e.g. maleic anhydride or maleic acid polymer, or copolymer thereof, crosslinked with a crosslinking agent containing at least 2 crosslinkable groups, particularly, —OH or —NH2, or both. The reaction product is a crosslinked polymeric ester or amide/imide, or both, suitably having a mole ratio of —OH, or —NH2, to —COOH, of 1:10 to 10:1, preferably 2:10 to 7:1. The hydrogel is particularly swellable in water, e.g. >100% in 1 hour in aqueous media; and forms a thin, tacky layer on a substrate, which property is useful in bioadhesive products.Type: GrantFiled: March 26, 2003Date of Patent: March 16, 2004Assignee: ISP Investments Inc.Inventors: Krystyna Plochocka, Jeffrey A. Lynn
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Patent number: 6699943Abstract: The present invention is directed to a curable, water-based coating composition utilized in waterborne coating systems. The coating composition is the reaction product of a water-based copolymer prepared by free-radical polymerization, and a cross-linking agent. The copolymer is the reaction product of a first block and a second block. The first block is the reaction product of a first ethylenically unsaturated monomer, acrylic acid, and a second ethylenically unsaturated monomer, methyl methacrylate, as well as the reaction product of a vinylaromatic hydrocarbon monomer, diphenylethylene. The second block is the reaction product of a plurality of ethylenically unsaturated monomers, styrene, 2-ethylhexyl methacrylate, cyclohexyl methacrylate, and carbonate-modified glycidyl methacrylate including a carbonate functional group that is subsequently converted into a carbamate functional group by ammonium hydroxide.Type: GrantFiled: December 22, 2000Date of Patent: March 2, 2004Assignee: BASF CorporationInventors: Swaminathan Ramesh, Paul Lessek, Wolfgang Bremser
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Publication number: 20040039083Abstract: The invention relates to an impact-modified moulding composition which has particularly high impact resistance at low temperatures (−20° C., −40° C.). This low-temperature impact resistance is achieved by using a silicone elastomer.Type: ApplicationFiled: April 30, 2003Publication date: February 26, 2004Inventors: Klause Schultes, Michael Wicker, Werner Hoess, Klaus Albrecht, Hans-Juergen Kress