Contains Two Or More Graft Or Graft-type Copolymers Or A Graft Or A Graft Type Copolymer And At Least One Block Or Block-type Copolymer Patents (Class 525/71)
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Patent number: 7399792Abstract: An object of the present invention is to provide a novel solid reagent capable of solving the problems of conventional solid reagents based on resin beads. The present invention relates to a solid reagent comprising an organic polymer base in which a polymer side chain is introduced onto the backbone of the organic polymer base via graft polymerization and a reactive functional group is introduced onto the polymer side chain. The organic polymer base is preferably in the form of a fiber, a woven or nonwoven fabric consisting of an assembly of fibers, a porous membrane or a hollow fiber membrane. The graft polymerization is preferably a radiation-induced graft polymerization. Solid reagents according to the present invention can be used in various organic synthetic reactions.Type: GrantFiled: March 3, 2006Date of Patent: July 15, 2008Assignee: Ebara CorporationInventors: Makoto Komatsu, Kazuyoshi Takeda
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Publication number: 20080167426Abstract: The thermoplastic ABS resin composition according to the present invention comprises (a) 2 to 25 parts by weight of a graft copolymer particle containing rubbers having a volume average particle diameter range from 0.05 ?m to less than 0.18 ?m; (b) 2 to 25 parts by weight of a graft copolymer particle containing rubbers having a volume average particle diameter range from 0.18 ?m to less than 0.4 ?m; (c) 2 to 18 parts by weight of a graft copolymer particle containing rubbers having a volume average particle diameter range from 0.4 ?m to less than 4 ?m; (d) 10 to 70 parts by weight of a branched vinyl cyanide-vinyl aromatic copolymer; and (e) 1 to 60 parts by weight of a long-chain linear vinyl cyanide-vinyl aromatic copolymer.Type: ApplicationFiled: March 31, 2005Publication date: July 10, 2008Applicant: CHEIL INDUSTRIES INC.Inventors: Bang Duk Kim, Jae Ho Yang, Tae Uk Kim
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Patent number: 7396876Abstract: A thermoplastic resin component has improved transparency and impact resistance, the thermoplastic resin composed of 5 to 40 parts by weight of a graft copolymer (A) and 95 to 60 parts by weight a copolymer (B), the graft copolymer (A) being prepared by polymerizing at least one selected from the group consisting of alkyl methacrylate, aromatic vinyl, and vinylcyanide with an agglomerated rubber, the copolymer (B) being prepared by polymerizing at least one monomer selected from the group consisting of an aromatic vinyl monomer, an alkyl methacrylate monomer, and a vinylcyanide monomer. The agglomerated rubber is prepared by agglomerating a styrene-diene rubber latex with an acid-group-containing copolymer latex containing unsaturated acid, aromatic vinyl, and alkyl acrylate as the essential components and having a controlled refractive index.Type: GrantFiled: March 25, 2005Date of Patent: July 8, 2008Assignee: Kaneka CorporationInventors: Katsumi Yamaguchi, Hitoshi Hayashi, Akio Sato, Mamoru Kadokura
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Patent number: 7396877Abstract: Disclosed is a resin composition comprising (A) 100 parts by weight of a base resin comprising a rubber-modified styrene-containing graft copolymer and a styrene-containing copolymer; (B) 0.5-8 parts by weight of an acrylic rubber graft copolymer resin having an average particle size of 0.1-0.5 ?m; and (C) 0.5-8 parts by weight of a graft copolymer resin comprising an ethylene ?-olefinic copolymer rubber having an average particle size of 0.1-0.8 ?m. The thermoplastic resin composition of the present invention greatly improves chemical resistance to insulating materials, such as urethane foam, or foaming agent compounds, such as freon (CFC-11, HCFC-141b, HFC-245fa, HFC-245eb, HFC-245ca, HFC-356mffm) and cyclopentane and offers superior impact strength, whiteness and processability. It can be useful for extrusion sheets of refrigerator interiors.Type: GrantFiled: October 12, 2005Date of Patent: July 8, 2008Assignee: LG Chem, Ltd.Inventors: Sung-je Cha, Sung-tae Ahn, Dong-chul Kim, Yun-kyoung Cho
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Patent number: 7368504Abstract: Process for preparation of impact-resistant polystyrene from diene monomers and from styrene monomers via anionic polymerization, where 1) in a stage 1) a rubber solution is prepared from the diene monomers, or from the diene monomers and from the styrene monomers, using an alkali metal organyl compound as initiator and with concomitant use of a solvent, and then 2) in a stage 2), styrene monomer is added to the rubber solution, and the resultant mixture is polymerized anionically to give the impact-resistant polystyrene, ?and where, after stage 1) and prior to stage 2), an organylaluminum compound and an alkali metal hydride are added to the rubber solution.Type: GrantFiled: February 16, 2005Date of Patent: May 6, 2008Assignee: BASF AktiengesellschaftInventor: Philippe Desbois
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Publication number: 20080076875Abstract: A process for converting distillation residues obtained from polymerization processes to useful maleated products is provided.Type: ApplicationFiled: September 27, 2006Publication date: March 27, 2008Inventors: Chun D. Lee, Jeffrey A. Jones
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Publication number: 20080063826Abstract: A styrenic copolymer composition comprising 55% to 94% by weight of one or more styrenic monomers; 2% to 25% by weight of one or more maleate-type monomers; and 4% to 20% by weight of an elastomer composition comprising a first a first high molecular weight elastomer polymer having a number average molecular weight of greater than 12,000, a particle size ranging from about 0.05 micron to about 1.0 micron, and ranging from 50 to 99% by weight based on the weight of the elastomer composition, and a second high molecular weight elastomer polymer having a number average molecular weight of greater than 12,000, a particle size ranging from about 0.50 to about 3.0 microns, and ranging from 1.0% to 50% by weight based on the weight of the elastomer composition. The styrenic copolymer composition optionally further comprises from about 0.1 to about 8.0% by weight. The styrenic copolymer composition is formed via polymerizing methods.Type: ApplicationFiled: August 20, 2007Publication date: March 13, 2008Applicant: NOVA Chemicals Inc.Inventor: Thomas J. Styranec
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Publication number: 20080039583Abstract: A composition comprises two or more ethylene copolymers, including a grafted ethylene copolymer; a tackifier, and two or more styrene polymers. The styrene polymers comprise an ABA block copolymer and one or both of a high impact polystyrene and an AB block copolymer. The composition may be used as an adhesive or tie layer. In particular, the composition may used to adhere articles comprising polystyrene, preferably to other articles comprising more polar materials, such as copolymers of ethylene and vinyl alcohol (EVOH), for example.Type: ApplicationFiled: August 8, 2006Publication date: February 14, 2008Inventors: I-Hwa Lee, David H. Putscher
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Patent number: 7312277Abstract: Disclosed is a mass polymerized rubber-modified monovinylidene aromatic copolymer composition with an excellent balance of physical and mechanical properties especially low temperature impact, and methods for preparing such a composition.Type: GrantFiled: April 4, 2005Date of Patent: December 25, 2007Assignee: Dow Global Technologies Inc.Inventors: Doninique Maes, Adrianus Ruiter, Gilbert Bouquet, Tim Pope, Rony Vanspeybroeck, Kees-Jeen Van Duin
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Publication number: 20070287799Abstract: One aspect of the invention relates to an acrylate-vinyl aromatic-unsaturated nitrile graft copolymer. The acrylate-vinyl aromatic-unsaturated nitrile graft copolymer can include: a double layered rubbery polymer comprising an inner core layer of alkylacrylate-vinyl aromatic copolymer and an outer core layer of alkylacrylate polymer; and a vinyl aromatic-unsaturated nitrile copolymer shell layer grafted onto the double layered rubbery polymer. Another aspect of the invention relates to a weatherable thermoplastic resin composition including the foregoing acrylate-vinyl aromatic-unsaturated nitrile graft copolymer.Type: ApplicationFiled: June 7, 2007Publication date: December 13, 2007Applicant: CHEIL INDUSTRIES INC.Inventors: Doo Han HA, Jun Hwan AN
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Patent number: 7262248Abstract: The present invention relates to articles prepared from novel anionic block copolymers of mono vinyl aromatics and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymer may be blended with at least one other polymer selected from the group consisting of olefin polymers, styrene polymers, amorphous resins and engineering thermoplastic resins.Type: GrantFiled: May 11, 2004Date of Patent: August 28, 2007Assignee: Kraton Polymers U.S. LLCInventors: Kathryn J. Wright, Sharman K. McGilbert
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Patent number: 7247675Abstract: Compositions of high and low performance elastomer are formed using a process that chemically reacts some of the high and low performance elastomers together to form a graft copolymer. The elastomeric compositions provide intimately mixed elastomeric compositions which are thermodynamically stable and do not phase separate. The elastomeric compositions exhibit a variety of improved properties compared to simple blends of the same high and low performance elastomers in the same weight proportions. The elastomeric compositions are useful for producing films, fabrics, and laminates for use in a wide variety of personal care and medical articles.Type: GrantFiled: December 30, 2003Date of Patent: July 24, 2007Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Oomman Painummoottil Thomas, Vasily Aramovich Topolkaraev, Glen Thomas Mildenhall, Tamara Lee Mace, Hristo Angelov Hristov, Dennis Lloyd Hasha
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Patent number: 7211623Abstract: A method of producing a synthetic polymer blend comprising steps of (i) blending a styrene-butadiene-styrene thermoplastic elastomer (SBS) with a compatibilizer selected from the group consisting of polybutadiene grafted polystyrene resin (HIPS), styrene-hydrogenated-butadiene-styrene (SEBS) and poly-dimethyl-phenylene-oxide (PPO), and dispersing particles of said SBS to a mean particle size of substantially 3 microns or less in diameter, to form an intermediary ingredient, wherein weight ? ? of ? ? the ? ? SBS weight ? ? of ? ? the ? ? compatibilizer is substantially 1 4 to 4; and (ii) blending the intermediary ingredient in the step b) with further ingredient(s) including at least general purpose polystyrene (GPPS), and further dispersing the SBS particles, to form the synthetic polymer blend, wherein weight ? ? of ? ? the ? ? intermediary ? ? ingredient weight ? ? of ? ? the ? ? GPPS is substantially 1 19 ? ? to ? ? 5 6Type: GrantFiled: August 6, 2002Date of Patent: May 1, 2007Inventor: Er Ming Yan
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Patent number: 7208547Abstract: The present invention is a rubber modified monovinylidene aromatic polymer composition which can be used in conventional thermoforming or other highly orienting forming or shaping processes to produce tough, cost effective, transparent containers or other packaging materials.Type: GrantFiled: October 14, 2004Date of Patent: April 24, 2007Assignee: Dow Global Technologies Inc.Inventors: Jose M. Rego, Amaia Montoya-Goni, Aude G. Pochon
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Patent number: 7199187Abstract: A sheet excellent in mechanical performance such as folding endurance is provided. A sheet having a substrate layer using an impact-resistant styrene type resin containing 2 to 15 wt % of rubber particles having a peak at less than 2 ?m and an impact-resistant styrene type resin containing 0.2 to 10 wt % of rubber particles having a peak at 2 ?m or more in a distribution of volume-based particle diameters, or a sheet having a substrate layer comprising an impact-resistant styrene type resin (A) containing 10 to 15 wt % of rubber having a volume average particle diameter of from 0.5 ?m to 1.5 ?m and an impact-resistant styrene type resin (B) containing 5 to 10 wt % of rubber having a volume average particle diameter of from 2.0 ?m to 3.0 ?m wherein (A) is from 50 to 95 wt % and (B) is from 5 to 50 wt % on the basis of the total amount of both components, and a surface layer formed on at least its one surface, is provided.Type: GrantFiled: November 15, 2002Date of Patent: April 3, 2007Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Takeshi Miyakawa, Minoru Oda, Masafumi Hiura
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Patent number: 7198852Abstract: A graft copolymer mixture comprises a) from 10 to 50% by weight, based on the mixture, of an ethylene-acrylic acid copolymer and/or an ethylene-acrylic acid-acrylate terpolymer; b) from 50 to 90% by weight, based on the mixture, of an ethylene-?-olefin copolymer; and c) ethylenically unsaturated dicarboxylic acids and/or dicarboxylic anhydrides; the ethylenically unsaturated dicarboxylic acids and/or dicarboxylic anhydrides (c) having been grafted onto (a) and (b).Type: GrantFiled: June 28, 2001Date of Patent: April 3, 2007Assignee: Basell Polyolefine GmbHInventors: Heinz Vogt, Klaus Drochner
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Patent number: 7189462Abstract: It is to provide a block copolymer and its copolymer composition which provides a heat shrinkable (multilayer) film with less spontaneous shrinkage while maintaining favorable low temperature shrinkability, and a heat shrinkable (multilayer) film containing the block copolymer. By using a block copolymer comprising a vinyl aromatic hydrocarbon and a conjugated diene characterized in that the relation of the loss tangent value obtained by dynamic viscoelasticity measurement with the temperature satisfies specific conditions, or a composition containing the copolymer composition as an essential component, a heat shrinkable (multilayer) film with less spontaneous shrinkability and less odor while maintaining favorable low temperature shrinkability can be obtained.Type: GrantFiled: November 19, 2004Date of Patent: March 13, 2007Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Masamitsu Matsui, Hideki Watanabe, Jun Yoshida, Hisakazu Hoshino
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Patent number: 7186778Abstract: Thermoplastic molding compositions containing grafted polymers produced with different initiator systems are disclosed. The compositions are distinguished by a combination of good toughness and reduced opacity. As a result, appreciably smaller quantities of pigment are needed to color the molding composition.Type: GrantFiled: November 30, 2001Date of Patent: March 6, 2007Assignee: Bayer AktiengesellschaftInventor: Herbert Eichenauer
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Patent number: 7157520Abstract: A powdery linear polymer having a narrow particle size distribution with little dusting and excellent in anti-blocking property is recovered from a latex of a linear polymer containing a large proportion (35–75 wt. %) of soft polymer (S) component through a two-step coagulation process including a first (moderate coagulation) step causing 70–98 wt. % of the coagulation. The linear polymer in the latex has a multilayer structure comprising a linear polymer (S) having a glass transition temperature below 40° C. and a linear polymer (H) having a higher glass transition temperature disposed in totally at least two layers and containing 35–75 wt. %, as a whole, of the linear polymer (S) with the proviso that the linear polymer (S) cannot be contained in excess of 30 wt. % in an outermost layer of the multilayer structure.Type: GrantFiled: August 28, 2002Date of Patent: January 2, 2007Assignee: Rohm and Haas CompanyInventors: Atsuhiro Higuchi, Yasuhiro Suzuki
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Patent number: 7074854Abstract: A Polymer compositions that features high degree of toughness, very good processability and extremely high gloss is disclosed. The composition contains (I) a graft rubber polymer obtained by emulsion polymerization of styrene and acrylonitrile in the presence of a mixture of (A) a butadiene polymer latex having a mean particle diameter d50?250 nm, a particle size distribution width of 20 to 80 nm and a gel content of 30 to 95 wt. %, (B) a butadiene polymer latex with a mean particle diameter d50>250 to 350 nm, a particle size distribution width of 30 to 100 nm and gel content of 30 to 80 wt. %, and (C) a butadiene polymer latex (C) with a mean particle diameter d50>350 nm, a particle size distribution width of 40 to 150 nm, and a gel content of 50 to 95 wt. %. and (II) a rubber-free copolymer of styrene and acrylonitrile. At least one of (A), (B) and (C) is a product of seed polymerization.Type: GrantFiled: February 12, 2001Date of Patent: July 11, 2006Assignee: Bayer AktiengesellschaftInventors: Herbert Eichenauer, Eckhard Wenz, Heinrich Alberts, Ulrich Jansen, Hans-Erich Gasche
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Patent number: 7060741Abstract: The present invention provides polymer compositions of special graft rubber polymers, in the production of which are employed rubbers with defined particle diameters obtained by seed polymerization using seed latex particles with defined particle diameters.Type: GrantFiled: February 12, 2001Date of Patent: June 13, 2006Assignee: Bayer AktiengesellschaftInventors: Herbert Eichenauer, Adolf Schmidt, Ulrich Jansen
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Patent number: 7056980Abstract: A composition comprising poly(arylene ether) resin and a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, wherein the hydrogenated block copolymer has up to about 20 percent residual pendant aliphatic unsaturation and at least about 30 percent residual in-chain aliphatic unsaturation.Type: GrantFiled: June 26, 2003Date of Patent: June 6, 2006Assignee: General ElectricInventors: Adeyinka Adedeji, Thomas J. Hartle, John C. Haylock, Vijay Mhetar, Ganesh Kannan
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Patent number: 7049368Abstract: The present invention relates to a rubber modified thermoplastic resin composition comprising a discontinuous elastomeric phase dispersed in a rigid thermoplastic phase, wherein at least a portion of the rigid thermoplastic phase is grafted to the elastomeric phase, which is prepared by a method comprising the steps of: (a) polymerizing a mixture of monomers in a first stage in the presence of the elastomeric phase, at least one of which monomers is selected from the group consisting of vinyl aromatic monomers and at least one of which monomers is selected from the group consisting of monoethylenically unsaturated nitrile monomers, followed by (b) polymerizing one or more monomers in at least one subsequent stage in the presence of the elastomeric phase from (a), wherein the one or more monomers comprise at least one monomer selected from the group consisting of (C1-C12)alkyl- and aryl-(meth)acrylate monomers. The method is also provided.Type: GrantFiled: May 5, 2004Date of Patent: May 23, 2006Assignee: General ElectricInventors: Albin Peter Berzinis, Satish Kumar Gaggar
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Patent number: 7041734Abstract: A gel composition that is the combination of or reaction product of ingredients comprising a thermoplastic elastomer copolymer comprising polystyrene-b-poly(ethylene-ethylene/propylene)-b-polystyrene, a nylon-grafted elastomer, and an extender.Type: GrantFiled: May 28, 2004Date of Patent: May 9, 2006Assignee: Bridgestone CorporationInventors: Xiaorong Wang, Victor J. Foltz
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Patent number: 7019076Abstract: The invention provides a rubber-modified copolymer resin which is excellent in transparency, impact resistance and rigidity and which has little dependency of the transparency on molding conditions, and a rubber-modified copolymer resin composition which has the above characteristics and which has high practical strength. A transparent rubber-modified copolymer resin which is a rubber-modified copolymer resin obtained by copolymerizing a styrenic monomer and a (meth)acrylic ester monomer in the presence of a rubbery polymer, and which is characterized in that the volume mean particle diameter of rubber particles dispersed in the resin, is from 0.4 to 2.0 ?m, and in the cumulative rubber particle size distribution curve by volume, the difference between the diameter at an integrated value of 75% and the diameter at an integrated value of 25%, is from 0.2 to 2.0 ?m; and a rubber-modified copolymer resin composition comprising from 60 to 99.Type: GrantFiled: October 10, 2002Date of Patent: March 28, 2006Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Jun Takahashi, Jun Nakamoto, Hideki Watanabe
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Patent number: 7015282Abstract: The invention relates to an impact additive of the core/shell type for thermoplastic polymers. This impact additive comprises a crosslinked elastomeric core based on n-alkyl acrylate and a shell made of poly(alkyl methacrylate) grafted onto said core.Type: GrantFiled: June 2, 1998Date of Patent: March 21, 2006Assignee: Arkema Inc.Inventors: Chris Bertelo, Gilles Meunier, André Lermite, Pascale Dargelos, Xavier Drujon
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Patent number: 6989408Abstract: The present invention relates to a preparation method of an acryl-based impact-reinforcement, and more particularly, to a preparation method of an acryl-based reinforcement prepared by blending latex having large particles and latex having small particles, being capable of enhancing impact-resistance of a polyvinyl chloride (PVC) resin. The present invention provides a method of preparing an acryl-based impact reinforcement comprising a step of blending a) 50 to 90 parts by weight of latex having large particles with a particle size of 200 to 500 nm and a core-shell structure and b) 10 to 50 parts by weight of latex having small particles with a particle size of 60 to 140 nm and a core-shell structure. In addition, the present invention provides an impact-reinforcement prepared by the method of the present invention, and a polyvinyl chloride (PVC) composition comprising the same.Type: GrantFiled: December 13, 2001Date of Patent: January 24, 2006Assignee: LG Chem, Ltd.Inventors: Dong-Jo Ryu, Chang-Sun Han, Yong-Hun Lee
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Patent number: 6964774Abstract: The use of polymers obtainable by free-radical polymerization of a) at least one vinyl ester of C1–C24-carboxylic acids in the presence of b) polyether-containing compounds and c) optionally one or more other copolymerizable monomers and subsequent at least partial hydrolysis of the ester functions of the original monomers a), in hair cosmetic formulations.Type: GrantFiled: February 10, 2000Date of Patent: November 15, 2005Assignee: BASF AktiengesellschaftInventors: Reinhold Dieing, Michael Gotsche, Peter Hössel, Axel Sanner, Alfred Leinenbach, Keith Leslie Rutherford
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Patent number: 6951903Abstract: A thermoplastic molding composition that features a combination of extremely good toughness, good processability, adjustable surface gloss, good inherent color and reduced opacity is disclosed. The composition contains A) a graft rubber that is the product of free-radical emulsion polymerization using a peroxodisulfate initiator, B) a graft rubber that is the product of free-radical emulsion polymerization using an azo compound initiator and C) a graft polymer that is the product of solution, bulk or suspension polymerization.Type: GrantFiled: September 13, 2002Date of Patent: October 4, 2005Assignee: Bayer AktiengesellschaftInventor: Herbert Eichenauer
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Patent number: 6900267Abstract: Methods of carrying out a reactive extrusion processes are described that include combining at least one polymer, oligomer, or combination thereof, a carbon dioxide containing fluid, and at least one reactant in an extruder to form a mixture such that the carbon dioxide containing fluid comes into intimate contact with the at least one polymer, oligomer, or combination thereof and assists in a reaction between the at least one polymer, oligomer, or combination thereof and the at least one reactant, and wherein the at least one polymer, oligomer, or combination thereof is modified upon reaction with the at least one reactant.Type: GrantFiled: December 12, 2002Date of Patent: May 31, 2005Assignees: North Carolina State University, The University of North Carolina at Chapel HillInventors: Joseph Royer, Joseph M. DeSimone, George W. Roberts, Saad A. Khan
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Patent number: 6884844Abstract: A multimodal polymer particle composition containing two or more populations of polymer particles having a total rubbery weight fraction of less than 90 weight percent is provided. Also disclosed is a process for preparing multimodal polymer particle compositions that can be dried to a powder. Multimodal polymer particle dispersions are disclosed for preparing impact modifiers that can be dried to a powder. Also provided are polymeric compositions having a matrix resin component and impact modifiers prepared from multimodal polymer particles.Type: GrantFiled: December 2, 2002Date of Patent: April 26, 2005Assignee: Rohm and Haas CompanyInventors: Raymond Gerard Hamilton, Morris Christopher Wills, Jennifer Lynn Petoff, Joseph Robert Adamo
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Patent number: 6881787Abstract: The present invention provides polymeric additive systems and processes for preparing polymeric additive systems which contain a liquid component and a solid component, wherein the weight fraction of the solid component is more than 50%. The present invention also provides polymeric compositions and processes for preparing polymeric compositions that include a polymeric component and a polymeric additive system which contains a liquid component and a solid component, wherein the weight fraction of the solid component is more than 50%. The disclosed compositions and processes are useful in the preparation of polymeric materials and articles produced therefrom.Type: GrantFiled: August 31, 2001Date of Patent: April 19, 2005Assignee: Rohm and Haas CompanyInventors: Jane Elizabeth Weier, Chuen-Shyong Chou, Morris Christopher Wills, Jiun-Chen Wu, Fanwen Zeng, Eugene Patrick Dougherty
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Patent number: 6875808Abstract: The present invention provides multiple polymeric additive systems and processes for preparing multiple polymeric additive systems which contain a liquid component and a solid component, wherein the solid component contains two or more polymeric additive particles having different compositions. The present invention also provides polymeric compositions and processes for preparing polymeric compositions that include a polymeric component and a multiple polymeric additive system which contains a liquid component and a solid component, wherein the solid component contains two or more polymeric additive particles having different compositions. The disclosed compositions and processes are useful in the preparation of polymeric materials and articles produced therefrom.Type: GrantFiled: August 31, 2001Date of Patent: April 5, 2005Assignee: Rohm and Haas CompanyInventors: Jane Elizabeth Weier, Chuen-Shyong Chou, Morris Christopher Wills, Jiun-Chen Wu, Eugene Patrick Dougherty
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Patent number: 6872777Abstract: A thermoplastic composition includes a poly(arylene ether), a poly(alkenyl aromatic) resin, a polyolefin, and a selectively hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene having up to about 20 percent residual pendant aliphatic unsaturation and at least about 30 percent residual in-chain aliphatic unsaturation. The composition exhibits an excellent balance of stiffness, impact strength, and heat resistance and is useful for a variety of applications including automotive fascia, automotive front-end modules, automotive grill opening reinforcements, food trays, and power tool casings.Type: GrantFiled: April 12, 2002Date of Patent: March 29, 2005Assignee: General ElectricInventors: Adeyinka Adedeji, Thomas J. Hartle, John C. Haylock
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Patent number: 6861474Abstract: Golf ball cover and intermediate layers incorporate specified triblock copolymers, a base polymer, and also a polymeric modifier that incorporates an impact modifier, a copolymer or terpolymer having specified functional groups, or mixtures of these. The ball layers provide for good ball characteristics, including feel and controllability, while also providing for superior shear-cut resistance and resistance to cracking. Related methods for making golf ball layers provide for balls having these characteristics.Type: GrantFiled: December 28, 2001Date of Patent: March 1, 2005Assignee: Taylor Made Golf Company, Inc.Inventor: Hyun Jin Kim
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Patent number: 6855773Abstract: Methods and systems for modifying a polymer are disclosed herein. A solution is generally provided having a surface thereof, wherein the solution comprises a plurality of highly branched polymers. The plurality of highly branched polymers can be chemically bound to a plurality of surfactants or order to modify the surface and produce a polymeric material thereof. The surface is tailored with a plurality of functional groups that self-assemble and are deliverable to the surface of the solution, including interfaces thereof, thereby permitting a high-density assembly of functional groups to operate in concert with one another in order to generate a modified surface thereof. The polymeric material produced thereof can be reversibly adaptable to environmental conditions through a blooming of varying surface functional group to the surface of the solution.Type: GrantFiled: December 13, 2002Date of Patent: February 15, 2005Assignee: The United States of America as represented by the Secretary of the ArmyInventors: Robert E. Jensen, Matthew S. Bratcher, Steven H. McKnight
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Patent number: 6849689Abstract: Rubber-reinforced thermoplastic resins containing a copolymer resin (A1) obtained by polymerizing a vinyl monomer (b1) in the presence of an acrylic rubber-like polymer (a), or a mixture of copolymer resin (A1) and a (co)polymer (A2) of a vinyl monomer (b2). Acrylic rubber-like polymer (a) contains 50 to 98% by weight of acrylic rubber-like polymer particles (a1) which have a particle size of less than 350 nm and 2 to 50% by weight of acrylic rubber-like polymer particles (a2) which have a particle size of not less than 350 nm. The amount of the acrylic rubber-like polymer (a) is 5 to 80% by weight based on the rubber-reinforced thermoplastic resin.Type: GrantFiled: March 26, 2002Date of Patent: February 1, 2005Assignee: Techno Polymer Co., Ltd.Inventors: Gou Yamada, Hiromu Akatsuka, Takashi Kurata
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Patent number: 6849688Abstract: Novel polystyrene grafted polyolefin compositions having a high level of grafting are made using a novel process which involves suspending styrene in water. The polystyrene grafted polyolefin compositions can then be converted into ion exchange membranes that are particularly useful in electrolytic cells.Type: GrantFiled: March 26, 2002Date of Patent: February 1, 2005Assignee: Sachem, Inc.Inventor: Mark Hellums
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Patent number: 6844396Abstract: An acrylic resin composition with excellent impact resistance, weatherability, processability and low gloss is provided. The acrylic resin composition comprises, (A) 10 to 40 parts by weight of a high molecular weight acrylic (co)polymer which is a one-step or multi-step polymer containing 72 to 100% by weight of methyl methacrylate and 0 to 28% by weight of a copolymerizable monomer, the (co)polymer having a specific viscosity of at least 0.5 (solvent: toluene, concentration: 0.4%, temperature: 30° C.), wherein a polymer layer obtained in one of the steps contains at least 72% by weight of methyl methacrylate, has a specific viscosity of at least 0.5 and makes up at least 55% by weight of the total weight of the high molecular weight acrylic (co)polymer (A); (B) 0 to 80 parts by weight of an acrylic (co)polymer containing 50 to 100% by weight of methyl methacrylate and 0 to 50% by weight of a copolymerizable monomer, the acrylic (co)polymer having a specific viscosity of less than 0.Type: GrantFiled: August 28, 2002Date of Patent: January 18, 2005Assignees: Kaneka Corporation, Kaneka Texas CorporationInventors: Takahiko Sugaya, Riichi Nishimura, Kazuhisa Tajima
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Patent number: 6841261Abstract: It is to provide a block copolymer and its copolymer composition which provides a heat shrinkable (multilayer) film with less spontaneous shrinkage while maintaining favorable low temperature shrinkability, and a heat shrinkable (multilayer) film containing the block copolymer. By using a block copolymer comprising a vinyl aromatic hydrocarbon and a conjugated diene characterized in that the relation of the loss tangent value obtained by dynamic viscoelasticity measurement with the temperature satisfies specific conditions, or a composition containing the copolymer composition as an essential component, a heat shrinkable (multilayer) film with less spontaneous shrinkability and less odor while maintaining favorable low temperature shrinkability can be obtained.Type: GrantFiled: November 9, 2001Date of Patent: January 11, 2005Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Masamitsu Matsui, Hideki Watanabe, Jun Yoshida, Hisakazu Hoshino
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Patent number: 6841618Abstract: The present invention provides a thermoplastic polymer composition which is obtained through dynamic vulcanization performed by mixing an ethylene-vinyl alcohol copolymer (I), a modified block copolymer (II) which comprises an aromatic vinyl polymer block and a conjugated diene polymer block and which has a functional group consisting of a carboxyl group and/or its derivative, and an amine crosslinking agent (III), wherein the ethylene-vinyl alcohol copolymer (I) has an ethylene content of from 10 to 60 mole % and has a melt flow rate of from 1 to 20 g/10 minutes, and the amount of the functional group consisting of a carboxyl group and/or its derivative which the modified block copolymer (II) has is from 2 to 20 groups per molecule. The thermoplastic polymer composition is excellent in both barrier properties to gases, organic liquids and the like and flexibility.Type: GrantFiled: February 21, 2003Date of Patent: January 11, 2005Assignee: Kuraray Co., Ltd.Inventor: Haruhisa Masuda
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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: 6835777Abstract: Adhesive compositions which exhibit significantly improved adhesion to metals and polyolefins are provided. The compositions are blends of one or more polyolefin base resins and graft-modified polyolefin to which a low level of adhesion promoter is added.Type: GrantFiled: November 19, 2002Date of Patent: December 28, 2004Assignee: Equistar Chemicals, E.P.Inventor: Maged G. Botros
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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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Publication number: 20040260021Abstract: Resins and oligomer materials and/or combinations thereof grafted with an unsaturated acid or anhydride, such as maleic anhydride, are disclosed herein. The grafted materials are useful in adhesive formulations, particularly in hot melt adhesive applications.Type: ApplicationFiled: August 23, 2004Publication date: December 23, 2004Inventors: Anne Vera Macedo, Kenneth Lewtas, John Richard Shutt
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Patent number: 6833409Abstract: An impact strength modifier comprises an acrylic rubber graft copolymer (I) obtained by graft-polymerizing a polyalkyl (meth)acrylate composite rubber (A) with a vinyl monomer (B), and a compound (II) which has a sulfonic acid group or a sulfuric acid group and also has two or more benzene ring skeletons, or a salt thereof. The polyalkyl (meth)acrylate composite rubber (A) contains two or more acrylic rubber components each having a different glass transition temperature, and the respective acrylic rubber components have 20% by weight or less of a monomer having two or more unsaturated bonds in a molecule. The compound (II) preferably has two or more benzene ring skeletons, and a particle size distribution of the polyalkyl (meth)acrylate composite rubber (A) is preferably a polydisperse distribution in which two or more peaks exist within a specific range.Type: GrantFiled: October 21, 2002Date of Patent: December 21, 2004Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Keiji Nakamura, Masakazu Ito
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Publication number: 20040249073Abstract: The invention provides a rubber-modified copolymer resin which is excellent in transparency, impact resistance and rigidity and which has little dependency of the transparency on molding conditions, and a rubber-modified copolymer resin composition which has the above characteristics and which has high practical strength.Type: ApplicationFiled: April 12, 2004Publication date: December 9, 2004Inventors: Jun Takahashi, Jun Nakamoto, Hideki Watanabe
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Patent number: 6828380Abstract: A molding composition having good surface gloss, high elongation at break and good thermoplastic processability is disclosed. The composition contains (A) a graft polymer that is obtained by free-radical polymerization of resin-forming vinyl monomers in the presence of rubber in latex form, (B) a copolymer of styrene and acrylonitrile and an optional (C) a resin selected from the group consisting of polycarbonates, polyester-carbonates, polyesters and polyamides. The preparation of the graft polymer is characterized in that (i) before the start of the grafting polymerization reaction the rubber latex is brought to a pH of 9 to 11, (ii) the redox initiator components are employed in amounts of 0.1 to 2.5 wt. % (based on the monomers metered in) and (iii) during the entire grafting polymerization reaction the pH remains constant±0.5 and in the range of 11.0 to 8.8, and (iv) the temperature difference between the start and end of the reaction is at least 10° C.Type: GrantFiled: November 21, 2002Date of Patent: December 7, 2004Assignee: Bayer AktiengesellschaftInventors: Liqing-Lee Sun, Eckhard Wenz, Herbert Eichenauer, Stefan Moss, Heinrich Alberts, Hans-Bernhard Hauertmann, Karl Zabrocki, Hans-Erich Gasche, Ulrich Jansen
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Patent number: 6824730Abstract: There are disclosed a resin composition which is excellent in rubber elasticity, oil maintainability and adhesivity to a metal, and comprises a thermoplastic elastomer composition comprising a (a1) hydrogenated block copolymer which is obtained by hydrogenating a block copolymer consisting essentially of a polymer block composed principally of a vinyl aromatic compound and a polymer block composed principally of a conjugated diene compound, which has a weight average molecular weight of at least 200,000, in which the polymer block composed principally of a vinyl aromatic compound is polystyrene, and in which the content by weight of the polystyrene moiety contained in the hydrogenated block copolymer is 20 to 40%; a (b1) non-aromatic rubber-softening agent having a kinematic viscosity at 40° C.Type: GrantFiled: February 14, 2001Date of Patent: November 30, 2004Assignee: Bridgestone CorporationInventors: Naruhiko Mashita, Shinichi Toyosawa, Youichi Nishimuro, Yasushi Imai, Tadashi Utsunomiya, Ichiro Akasaka, Youkou Saito
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Patent number: 6825271Abstract: The invention relates to an anionically polymerised, impact-resistant polystyrene with a dispersed plasticiser phase, comprising particles with capsule particle morphology and method for production thereof.Type: GrantFiled: November 7, 2002Date of Patent: November 30, 2004Assignee: BASF AktiengesellschaftInventors: Philippe Desbois, Christian Schade, Hermann Gausepohl