Solid Polymer Derived From Ethylenic Reactants Only Derived From At Least One Reactant Containing An Oxygen Atom Patents (Class 525/176)
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Patent number: 5253871Abstract: The invention concerns a golf ball constituted of a three part structure, constituted of an elastomer core, an intermediate layer, and a thermoplastic envelope. The intermediate layer is made of a thermoplastic material containing at least 10%, and preferably at least 35% of ether block copolymer. The material may also be advantageously constituted of ether block copolymer to which is added 0 to 90% of ionomer(s) with respect to the total weight of the compound.Type: GrantFiled: August 14, 1991Date of Patent: October 19, 1993Assignee: Taylor Made Golf Company, Inc.Inventor: Francois Viollaz
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Patent number: 5250623Abstract: The invention relates to compatible PM polymer blends with polyesters as mix components, which compriseA) 0.1 to 99.9 wt % of a Pi polyester synthesized from units of formula I ##STR1## where R stands for a group --(CH.sub.2)m-- or for a group ##STR2## and where m stands for a number from 2 to 6, and B) 99.9 to 0.1 wt % of a P2 polyester synthesized to 20-100 wt % from halogen-free monomers of formula II ##STR3## where R.sub.1 stands for hydrogen or methylR.sub.2 stands for a spacing group having 1-6 members,R.sub.3 stands for an alkyl group, alkoxyl group or aminoalkyl- or dialkyl group having 1 to 6 carbon atoms andq stands for zero or one andz stands for zero, one or two.Type: GrantFiled: July 10, 1991Date of Patent: October 5, 1993Assignee: ROHM GmbHInventors: Werner Siol, Jens-Dieter Fischer, Thomas Sufke, Erwin Felger, Klaus Frank
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Patent number: 5241007Abstract: Fluorinated styrenes of the formula I; ##STR1## where R.sub.1 is a C.sub.1 -C.sub.6 alkyl and R.sub.2 is the repeating unit ##STR2## where x is zero or any positive integer, which are useful as compatibilizing and toughening agents for various polymers such as styrene, dienes (butadiene, isoprene, etc.) acrylates, polymethacrylates, polycarbonates, polyesters, polyamides, etc. Particularly preferred are p-(1,1,1,3,3,3-hexafluoro-2-hydroxy isopropyl)-.alpha.-methylstyrene, polymers thereof, block and random copolymers thereof and polymer blends incorporating the same.Type: GrantFiled: January 21, 1992Date of Patent: August 31, 1993Assignee: The United Statets of America as represented by the Secretary of CommerceInventors: Charles C. Han, Manjun He, Yongming Liu, Yi Feng, Ming Jiang
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Patent number: 5231137Abstract: Novel grafted polymers having backbones formed from unsaturated monomers and having pendent isocyanate containing sidechains derived from isopropenyl-alpha,alpha-dimethylbenzyl isocyanate or copolymers thereof are described.Curable coating and molding compositions employing the novel grafted polymers of the invention in combination with isocyanate reactive materials are also described.Type: GrantFiled: August 17, 1992Date of Patent: July 27, 1993Assignee: American Cyanamid CompanyInventors: Michael M. Fisher, Leroy A. White, Howard R. Lucas
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Patent number: 5229458Abstract: Powder coating compositions are provided including a thermosetting or thermoplastic particulate resinous material and as a flow modifier, a copolymer of maleic anhydride or a substituted maleic anhydride and a copolymerizable material selected from among cycloalkenes and aliphatic olefins, with said copolymer optionally chemically modified with a primary amine or alcohol. Such flow modifiers can provide the cured coating with recoat adhesion and crater control.Type: GrantFiled: October 21, 1991Date of Patent: July 20, 1993Assignee: PPG Industries, Inc.Inventors: Karl F. Schimmel, Paul H. Pettit, Jr.
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Patent number: 5225490Abstract: Biodisintegrable thermoplastic resin moldings and a process for producing same are disclosed, the biodisintegrable thermoplastic resin moldings being comprised of a thermoplastic aliphatic polyester resin as a matrix resin having dispersed therein an other type of thermoplastic resin in a proportion of 40-75 weight % based on the whole resin. The biodisintegrable thermoplastic resin moldings is easily disintegrable after disposal in an environment where microorganisms exist so that the moldings can be reduced in bulkness and give no harmful effect on the life of natural plants and animals. Thus, the present invention affords an effective means for solving various problems in the treatment of disposed plastic articles.Type: GrantFiled: November 7, 1990Date of Patent: July 6, 1993Assignees: Director-General of Agency of Industrial Science and Technology, JSP CorporationInventors: Yutaka Tokiwa, Akira Iwamoto, Kiyoshi Takeda
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Patent number: 5223578Abstract: Polymers containing glutarimide units and also acid and/or anhydride units are compatible with polyesters, such as poly(ethylene terephthalate) to form blends. Chemical interaction (grafting) between the polyester and the acid/anhydride groups of the polyglutarimide occurs on processing the blends. The extent of grafting and the properties of the resultant blend can be enhanced by appropriate catalysts.Type: GrantFiled: February 21, 1991Date of Patent: June 29, 1993Assignee: Rohm and Haas CompanyInventor: Michael P. Hallden-Abberton
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Patent number: 5219949Abstract: A process for cross-linking (co)polymers having ester functions involves reacting a polyalcohol-derived polyester and a polyacid-derived polyester in the presence of an alkaline alcoholate at a temperature in excess of 180.degree. C.Type: GrantFiled: December 13, 1991Date of Patent: June 15, 1993Assignees: Centre National de la Recherche Scientifique, Sotra IndustriesInventors: Christian Gondard, Alain Michel
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Patent number: 5219941Abstract: This invention relates to compositions containing poly(1,4-cyclohexylenedimethylene terephthalate) (PCT) or copolyesters from terephthalic acid, 1,4-cyclohexanedimethanol and ethylene glycol, having improved impact strength at low temperatures due to the presence of an ethylene copolymer which contains repeat units from ethylene and at least 5 mole percent of a free radical polymerizable comonomer selected from the group consisting of vinyl acetate and an alkyl acrylate.Type: GrantFiled: March 16, 1992Date of Patent: June 15, 1993Assignee: Eastman Kodak CompanyInventors: Max F. Meyer, Jr., Mark E. Stewart, Martin R. Tant
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Patent number: 5216073Abstract: A moldable thermoset composition comprising about 5-60% liquid crystal polymer and about 95-40% of an epoxy-functional rubber by weight, a process for making and a process for using same. The composition is made by melt mixing the LCP and the epoxy-rubber to form a blend. This blend is then cooled and may be molded, extruded, or otherwise formed into a desired shape. The composition is then heat-treated to make it set.Type: GrantFiled: July 1, 1992Date of Patent: June 1, 1993Assignee: Hoechst Celanese Corp.Inventors: M. Ishaq Haider, Vincent J. Sullivan, Paul N. Chen, Sr., Harry S. Pulaski
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Patent number: 5214101Abstract: A thermosetting powder coating composition which has good handling properties and which has a good bland of physical properties such as appearance, flexibility, hardness, solvent resistance, corrosion resistance and exterior durability is disclosed. The composition comprises a co-reactable particulate mixture of a carboxylic acid group-containing acrylic polymer, a second carboxylic acid group-containing polyurethane having sufficient crystallinity to assist in flow of the powder coating compositions, a beta-hydroxyalkylamide crosslinking agent and an amorphous acid group-containing polyurethane.Type: GrantFiled: August 24, 1992Date of Patent: May 25, 1993Assignee: PPG Industries, Inc.Inventors: Paul H. Pettit, Jr., Debra L. Singer, Marvin L. Kaufman
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Patent number: 5210134Abstract: A modified styrenic polymer is described, which comprises the reaction product of said polymer with an ethylenically unsaturated grafting agent having the formula: ##STR1## wherein one to three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are moieties containing reactive groups selected from carboxylic acid, acid anhydride, acid amide, imido, carboxylic ester, amino, hydroxyl, epoxy, isocyanate, carbamate, carbamoyl lactam, acyl lactam, pyridyl, 1,3-oxazoline, 1,3 oxazine, oxazolone, oxazinones, and any derivatives, combinations and mixtures thereof; andwherein the remaining one to three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are H or a hydrocarbon radical of from about 1 to about 20 carbon atoms; said modified styrenic polymer containing said reactive groups as pendant reactive functionalities.The claimed composition comprises:A) maleated ABSB) polyesterC) optionally ethylene copolymer rubber.Type: GrantFiled: February 12, 1992Date of Patent: May 11, 1993Assignee: Allied SignalInventors: Murali K. Akkapeddi, Bruce VanBuskirk, Timothy J. Kraft
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Patent number: 5208292Abstract: Thermoplastic composition comprising at least 60% by weight of a saturated polyester and not more than 40% by weight of at least one polymeric reinforcement.Type: GrantFiled: August 23, 1990Date of Patent: May 4, 1993Assignee: NorsolorInventors: Marius Hert, Germain Bertin
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Patent number: 5206291Abstract: Disclosed are polymer compositions having improved impact strength, comprising copolyesters of terephthalic acid, ethylene glycol and 1,4-cyclohexanedimethanol with epoxy functional polyolefins.Type: GrantFiled: June 24, 1991Date of Patent: April 27, 1993Assignee: Eastman Kodak CompanyInventor: Mark E. Stewart
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Patent number: 5202382Abstract: A thermosetting powder coating composition which has good stability, pigment dispersion and impact characteristics is disclosed. The composition comprises a co-reactable particle mixture of an acid group-containing acrylic polymer having a Tg in the range of -20.degree. C. to 30.degree. C., an acid group-containing acrylic polymer having a Tg in the range of 40.degree. C. to 100.degree. C. and a curing agent, therefor.Type: GrantFiled: January 9, 1992Date of Patent: April 13, 1993Assignee: PPG Industries, Inc.Inventor: Paul H. Pettit, Jr.
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Patent number: 5200466Abstract: There is disclosed a resin composition for powder coatings, which comprises a blend of two acrylic resins obtained by polymerizing a prescribed amount of monomer component (a-1) represented by formula (I) and a prescribed amount of another monomer component (a-2), respectively, and having different polymerization degrees represented by viscosities at 140.degree. C. and a polybasic acid compound in 1.5 to 0.5 equivalent ratio of the glycidyl groups in said acrylic resins to the acid groups in the polybasic acid compound. ##STR1## wherein R.sub.1 and R.sub.2 each represent a hydrogen atom or a lower alkyl group. The resin composition for powder coatings can form a coating film having a mat smooth appearance and being excellent in flexibility as shown by Du Pont impact resistance and the Ericksen test as well as being excellent in nail scratch resistance.Type: GrantFiled: March 25, 1991Date of Patent: April 6, 1993Assignee: Mitsui Toatsu Chemicals, Inc.Inventors: Taisaku Kano, Takayoshi Sekido, Eiichiro Miyazaki, Makoto Nishimori
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Patent number: 5196475Abstract: The ionomer salt of low molecular weight copolymer reaction product of a copolymer acid of an .alpha.-olefin and an unsaturated carboxylic acid, and at least one amino acid compound, and a cation containing material. The unsaturated carboxylic acid is preferably an .alpha.,.beta.-ethylenically unsaturated carboxylic acid. The present invention includes a method of preparing the ionomer. The ionomer has excellent compatibility with other polymers, particularly polyamides. The ionomer is useful in a method to flush water from pigments.Type: GrantFiled: March 30, 1992Date of Patent: March 23, 1993Assignee: Allied-Signal Inc.Inventors: Charles F. Lences, Manfred K. Seven
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Patent number: 5196482Abstract: Compositions comprising polyetherester resins, polyetherimide ester resins, alone or combined with polyester resins, and mixtures of any of them or of polyester resins alone with copolymers of alpha-olefins and vinyl esters of aliphatic monocarboxylic acids have improved elastomeric character. For example, addition of 50 and 30 parts by weight of a vinyl acetate-ethylene copolymer having a high content of units derived from vinyl acetate to a polyetherimide ester copolymer considerably improves compressibility, elasticity, low temperature impact strength, UV light resistance and chemical resistance. Articles shaped from such compositions show desirably lower hardness, improved dynamic fatigue properties, paintability, extrudability and injection moldability.Type: GrantFiled: July 31, 1990Date of Patent: March 23, 1993Assignee: General Electric CompanyInventors: Peter O. Stahl, Eugen J. Geyer
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Patent number: 5194506Abstract: Polyethylene terephthalate molding compositions are provided which comprise polyethylene terephthalate, an aliphatic polyester, a warp resisting amount of an arylene sulfide copolymer, filler, and optionally, colorants.Type: GrantFiled: December 20, 1990Date of Patent: March 16, 1993Assignee: Phillips Petroleum CompanyInventors: Howard F. Efner, Michael C. Yu, Ray D. Ramsay
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Patent number: 5182337Abstract: A thermosetting powder coating composition which has good handling properties and which has a good blend of physical properties such as appearance, flexibility, hardness, solvent resistance, corrosion resistance and exterior durability is disclosed. The composition comprises a co-reactable particulate mixture of a carboxylic acid group-containing acrylic polymer, a second carboxylic acid group-containing polyester having sufficient crystallinity to assist in flow of the powder coating compositions, a beta-hydroxyalkylamide crosslinking agent and an amorphous acid group-containing polyester.Type: GrantFiled: October 16, 1991Date of Patent: January 26, 1993Assignee: PPG Industries, Inc.Inventors: Paul H. Pettit, Jr., Debra L. Singer, Marvin L. Kaufman
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Patent number: 5179163Abstract: Molding compositions having improved flexibility are made from blends of segmented copolyester elastomers and copolymers of ethylene and ethyl acrylate.Type: GrantFiled: May 24, 1991Date of Patent: January 12, 1993Assignee: Hoechst Celanese CorporationInventor: Michael D. Golder
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Patent number: 5141802Abstract: Chemically treated glass shapes have a moisture-reduced residue of a chemical treating composition having: a first film forming polymer that is a thermoplastic polyester film forming polymer, a second film forming polymer that is an acrylic-type copolymer, at least one organosilane coupling agent selected from epoxy functional organosilane coupling agents and amino-functional organosilane coupling agents and mixtures thereof, at least one cationic lubricant and a carrier. The ratio of amounts of the first film forming polymer to the second film forming polymer is in the range of around 1:1 to 99:1. The chemically treated shapes can be in the form of beads, flakes, chopped or milled fibers, continuous fibers, strands, or bundles of fibers and yarn, and mats of continuous strand and/or chopped strand.Type: GrantFiled: February 13, 1991Date of Patent: August 25, 1992Assignee: PPG Industries, Inc.Inventors: Luciano M. Parrinello, Narasimhan Raghupathi
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Patent number: 5132361Abstract: Ethylenically unsaturated cyclic ortho esters are prepared by the reaction of a hydroxy-substituted cyclic ortho ester such as 4-hydroxymethyl-2-methoxy-2-methyl-1,3-dioxolane with acryloyl chloride, methacryolyl choride, vinylbenzyl chloride or the like. They form polymers, especially EPDM graft copolymers, which are useful in the formation of copolymer-containing compositions with polyesters, polyamides and the like. The copolymer-containing compositions have excellent physical properties and may be employed to compatabilize blends of the same polymers.Type: GrantFiled: January 24, 1991Date of Patent: July 21, 1992Assignee: General Electric CompanyInventors: Timothy J. Shea, Andra J. Moffett, John R. Campbell, Marinus E. J. Dekkers, Farid F. Khouri
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Patent number: 5132368Abstract: The subject invention provides a composition having excellent extrusion characteristics comprising a difficulty-melt-processible polymer and 0.002-0.5 wt. % of one or more fluoropolymer process aids wherein the fluoropolymer has a fluorine to carbon ratio of at least 1:2, is capable of forming a die-coating film under the prevailing conditions of extrusion temperature and pressure, and contains an effective amount of polar functional polymer chain end groups, --W, wherein --W is selected from --COF, --SO.sub.2 F, --SO.sub.3 M, --OSO.sub.3 M, --COOR, and --COOM, wherein R is C.sub.1-3 alkyl and M is hydrogen, a metal cation, preferably an alkali or alkaline earth metal cation, or a quaternary ammonium cation.Type: GrantFiled: September 3, 1991Date of Patent: July 21, 1992Assignee: E. I. Du Pont de Nemours and CompanyInventors: George R. Chapman, Jr., Donnan E. Priester, Charles W. Stewart, Robert E. Tarney
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Patent number: 5128404Abstract: Semi-crystalline blow moldable polyester compositions formed by melt blending a mixture consisting essentially of a poly(butylene terephthalate, an ethylene copolymer containing epoxide groups, and an ionomer obtained by neutralizing with Na.sup.+ or K.sup.+.Type: GrantFiled: June 18, 1990Date of Patent: July 7, 1992Assignee: E. I. Du Pont de Nemours and CompanyInventor: King L. Howe
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Patent number: 5124176Abstract: A powder coating composition comprises a component (A) containing carboxylic acid or anhydride functionality and a component (B) containing hydroxy functionality. The components (A) and (B) are both solids at temperatures up to 50.degree. C. and at least one of them is a synthetic resin having a glass transition temperature in the range 0.degree. to 120.degree. C. The carboxylic acid or anhydride-functional component (A) is a compound or polymer containing at least two cyclic carboxylic anhydride groups per molecule or is a compound containing a moiety of the formula: ##STR1## where X is a hydrogen atom or an alkyl group, or a cyclic anhydride thereof. The hydroxy-functional component (B) contains at least two hydroxy groups per molecule and contains at least one amine group in its molecule to catalyze the reaction of the carboxylic acid or anhydride groups of component (A) with the hydroxy groups of component (B).Type: GrantFiled: May 3, 1989Date of Patent: June 23, 1992Assignee: International Paint public limited companyInventor: Alastair R. Marrion
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Patent number: 5115016Abstract: Improved polyester compositions exhibiting improved gloss and resistance to warping comprise crystallizable polyester resins, e.g., poly(ethylene terephthalate) optionally with poly(1,4-butylene terephthalate) and a reinforcing agent, the improvement comprising adding a modifier selected from an amorphous or semi-crystalline thermoplastic for gloss and warp resistance improvement. The molding compositions exhibit excellent resistance to warp even after adding significant amounts of reinforcing glass filaments.Type: GrantFiled: December 19, 1990Date of Patent: May 19, 1992Assignee: General Electric CompanyInventors: Virgel Dickens, Michael G. Minnick
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Patent number: 5115018Abstract: A modified styrenic polymer is described, which comprises the reaction product of said polymer with an ethylenically unsaturated grafting agent having the formula: ##STR1## wherein one to three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are moieties containing reactive groups selected from carboxylic acid, acid anhydride, acid amide, imido, carboxylic ester, amino, hydroxyl, epoxy, isocyanate, carbamate, carbamoyl lactam, acyl lactam, pyridyl, 1,3-oxazoline, 1,3 oxazine, oxazolone, oxazinones, and any derivatives, combinations and mixtures thereof;and wherein the remaining one to three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are H or a hydrocarbon radical of from about 1 to about 20 carbon atoms; said modified styrenic polymer containing said reactive groups as pendant reactive functionalities.The claimed composition comprises:(A) a preblend of maleated ABS and a rubber(B) a polyester.Type: GrantFiled: September 25, 1990Date of Patent: May 19, 1992Assignee: Allied-Signal Inc.Inventors: Murali K. Akkapeddi, Bruce VanBuskirk, Timothy J. Kraft
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Patent number: 5115012Abstract: Semi-crystalline blow moldable polyester compositions formed by melt blending a polyester, an ethylene copolymer containing epoxide groups, a methyl methacrylate copolymer containing epoxide groups, an ionomer obtained by neutralizing with Na+ or K+ and optionally another polyester.Type: GrantFiled: June 18, 1990Date of Patent: May 19, 1992Assignee: E. I. Du Pont de Nemours and CompanyInventor: King L. Howe
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Patent number: 5106909Abstract: A modified polyolefin-polyester graft copolymer includes (a) 10-90 parts by weight of a polyester having an intrinsic viscosity [.eta.] of 0.30-1.20 and an end carboxyl group content of 15-200 milliequivalent/kg, and (b) 90-10 parts by weight of a modified polyolefin having 0.2-5 mol % of an epoxy group or carboxyl group content and a weight-average molecular weight of 8,000-140,000.A thermoplastic resin composition includes (a) 5-95 weight % of an aromatic polycarbonate, (b) 95-5 weight % of a polyolefin, and (c) 1-30 parts by weight, per 100 parts by weight of (a)+(b), of the graft copolymer.Type: GrantFiled: October 13, 1989Date of Patent: April 21, 1992Assignee: Tonen Sekiyukagaku Kabushiki KaishaInventors: Tadahi Sezume, Shigeru Sato, Masahiro Oosawa, Yasuhiko Haraguchi, Takashi Mikami, Takeyoshi Nishio, Toshio Yokoi, Takao Nomura, Nobuya Kawamura
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Patent number: 5098955Abstract: A thermosetting powder coating composition which has good stability, pigment dispersion and impact characteristics is disclosed. The composition comprises a co-reactable particle mixture of an acid group-containing acrylic polymer having a Tg in the range of -20.degree. C. to 30.degree. C., an acid group-containing acrylic polymer having a Tg in the range of 40.degree. C. to 100.degree. C. and a curing agent, therefor.Type: GrantFiled: October 1, 1990Date of Patent: March 24, 1992Assignee: PPG Industries, Inc.Inventor: Paul H. Pettit, Jr.
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Patent number: 5098953Abstract: Disclosed is a method for producing a thermoplastic resin composition which can be easily molded into articles having good balance in properties and good appearance. Said method comprises melt-kneading (A) 60-97 parts by weight of a saturated polyester resin and (B) 40-3 parts by weight of an epoxy group-containing ethylene copolymer and then melt-kneading the resulting composition with (C) 0.01-20 parts by weight of a polyfunctional compound containing in one molecule at least two functional groups having reactivity with epoxy group, carboxyl group or hydroxyl group to carry out partial crosslinking reaction.Type: GrantFiled: January 28, 1991Date of Patent: March 24, 1992Assignee: Sumitomo Chemical Co. Ltd.Inventors: Tadayuki Ohmae, Yoshiki Toyoshima, Kentaro Mashita, Jinsho Nambu
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Patent number: 5096968Abstract: A thermoplastic methacrylimide-containing polymer comprising 2 to 100% by weight of structural units represented by the following formula (I): ##STR1## wherein R is hydrogen or a hydrocarbon group having 1 to 20 carbon atoms, and 0 to 98% by weight of structural units derived from an ethylenically unsaturated monomer, wherein the content of iron in the polymer is not larger than 20 ppm and the difference between the maximum value and minimum value of the degree of imidization is preferably not larger than 5% by weight. This methacrylimide-containing polymer is used alone or as a blend thereof with another thermoplastic polymer.Type: GrantFiled: December 28, 1989Date of Patent: March 17, 1992Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Isao Sasaki, Kozi Nishida, Hisao Anzai, Masaharu Fujimoto
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Patent number: 5091478Abstract: Partially grafted flexible thermoplastic compositions formed by melt blending under high shear, a thermoplastic material having available graft sites, said thermoplastic material being at least one continuous phase of the composition, an ethylene copolymer containing an unsaturated mono-carboxylic acid, and a polymeric grafting agent having reactive groups capable of reacting with the mono-carboxylic acid in the ethylene copolymer and with the available graft sites in the thermoplastic material. These compositions have use in a wide range of molding, coating and adhesive applications, including various automotive applications, wire and cable coating applications and high temperature adhesive applications.Type: GrantFiled: May 21, 1990Date of Patent: February 25, 1992Assignee: E. I. Du Pont de Nemours and CompanyInventor: Robert P. Saltman
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Patent number: 5091459Abstract: Semi-crystalline blow moldable polyester compositions, formed by melt blending a polyester, an ethylene copolymer containing epoxide groups, an ionomer obtained by neutralizing with Na+ or K+ and optionally a second polyester.Type: GrantFiled: June 18, 1990Date of Patent: February 25, 1992Assignee: E. I. du Pont de Nemours and CompanyInventor: King L. Howe
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Patent number: 5086118Abstract: Disclosed is a method for producing a thermoplastic resin composition which can be easily molded into articles having good balance in properties and good appearance. Said method comprises melt-kneading (A) 60-97 parts by weight of a saturated polyester resin and (b) 40-3 parts by weight of an epoxy group-containing ethylene copolymer and then melt-kneading the resulting composition with (C) 0.01-20 parts by weight of a polyfunctional compound containing in one molecule at least two functional groups having reactivity with epoxy group, carboxyl group or hydroxyl group to carry out partial crosslinking reaction.Type: GrantFiled: January 22, 1991Date of Patent: February 4, 1992Assignee: Sumitomo Chemical Co., Ltd.Inventors: Tadayuki Ohmae, Yoshiki Toyoshima, Kentaro Mashita, Jinsho Nambu
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Patent number: 5086116Abstract: Disclosed is a method for producing a thermoplastic resin composition which can be easily molded into articles having good balance in properties and good appearance. Said method comprises melt-kneading (A) 60-97 parts by weight of a saturated polyester resin and (B) 40-3 parts by weight of an epoxy group-containing ethylene copolymer and then melt-kneading the resulting composition with (C) 0.01-20 parts by weight of a polyfunctional compound containing in one molecule at least two functional groups having reactivity with epoxy group, carboxyl group or hydroxyl group to carry out partial crosslinking reaction.Type: GrantFiled: April 24, 1990Date of Patent: February 4, 1992Assignee: Sumitomo Chemical Co., Ltd.Inventors: Tadayuki Ohmae, Yoshiki Toyoshima, Kentaro Mashita, Jinsho Nambu
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Patent number: 5086117Abstract: Disclosed is a method for producing a thermoplastic resin composition which can be easily molded into articles having good balance in properties and good appearance. Said method comprises melt-kneading (A) 60-97 parts by weight of a saturated polyester resin and (B) 40-3 parts by weight of an epoxy group-containing ethylene copolymer and then melt-kneading the resulting composition with (C) 0.01-20 parts by weight of a polyfunctional compound containing in one molecule at least two functional groups having reactivity with epoxy group, carboxyl group or hydroxyl group to carry out partial crosslinking reaction.Type: GrantFiled: February 8, 1991Date of Patent: February 4, 1992Assignee: Sumitomo Chemical Co., Ltd.Inventors: Tadayuki Ohmae, Yoshiki Toyoshima, Kentaro Mashita, Jinsho Nambu
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Patent number: 5086119Abstract: Disclosed is a method for producing a thermoplastic resin composition which can be easily molded into articles having good balance in properties and good appearance. Said method comprises melt-kneading (A) 60-97 parts by weight of a saturated polyester resin and (B) 40-3 parts by weight of an epoxy group-containing ethylene copolymer and then melt-kneading the resulting composition with (C) 0.01-20 parts by weight of a polyfunctional compound containing in one molecule at least two functional groups having reactivity with epoxy group, carboxyl group or hydroxyl group to carry out partial crosslinking reaction.Type: GrantFiled: April 24, 1990Date of Patent: February 4, 1992Assignee: Sumitomo Chemical Co., Ltd.Inventors: Tadayuki Ohmae, Yoshiki Toyoshima, Kentaro Mashita, Jinsho Nambu
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Patent number: 5055524Abstract: There is disclosed herein an improved thermosetting powder coating composition comprising an epoxy resin and a curing agent, the improvement comprising the curing agent which is a polyol-modified polymeric polyanhydride containing anhydride linkages in the polymeric backbone.Type: GrantFiled: July 16, 1987Date of Patent: October 8, 1991Assignee: PPG Industries, Inc.Inventors: Paul H. Pettit, Jr., Debra L. Singer, William S. Ewing
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Patent number: 5051475Abstract: The present invention is directed to a polyester film comprising at least at its surface portion oriented sulfonic acid groups and/or salts thereof with an orientation degree of 5-100, which has an excellent adhesiveness, especially excellent anti-alkaline adhesiveness. The present invention also makes it possible to provide a polyester film having, in addition to the excellent adhesiveness, an excellent transparency, antistatic property and waterproof property.Type: GrantFiled: December 20, 1989Date of Patent: September 24, 1991Assignee: Toray Industries, Inc.Inventors: Kenji Tsunashima, Takashi Mimura, Takashi Sumiya, Hiroshi Kuboyama
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Patent number: 5043400Abstract: A method for producing articles of composite resin, wherein a liquid crystal polymer material in powder form is mixed with a second, melt-processable polymer material; the resulting mixture is kneaded at a temperature at which the second polymer material will melt but at which no deformation of the liquid crystal polymer will be caused so as to prepare a blend comprising the liquid crystal polymer powder uniformly dispersed in the matrix of the second polymer; and the blend is then subjected to a molding or shaping process at a temperature within the range at which the liquid crystal polymer is capable of forming liquid crystals.Type: GrantFiled: January 23, 1991Date of Patent: August 27, 1991Assignee: Tosoh CorporationInventors: Akeharu Tsuruta, Hisato Kawaguchi, Tomohiro Ishikawa, Yozo Kondo
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Patent number: 5039744Abstract: Molding compositions having improved flexibility are made from blends of segmented copolyester elastomers and copolymers of ethylene and ethyl acrylate.Type: GrantFiled: May 11, 1989Date of Patent: August 13, 1991Assignee: Hoechst Celanese CorporationInventor: Michael D. Golder
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Patent number: 5037889Abstract: A resin composition comprising:(i) at least one aromatic carbonate resin;(ii) at least one polyester resin; and(iii) an impact improving effective amount of at least one two-phase interpolymer comprised of at least one cross-linked polyacrylate and at least one cross-linked styrene-acrylonitrile resin.Type: GrantFiled: January 12, 1990Date of Patent: August 6, 1991Assignee: General Electric CompanyInventors: Angelika H. McHale, Warren J. Peascoe
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Patent number: 5026776Abstract: Thermoplastic polyester, copolyester and polyblend molding compositions impact-modified by glycidyl methacrylate grafted EPDM exhibit high impact strength combined with good knit-line characteristics, when the grafted comonomer content exceeds 2 percent by weight in the impact modifier, it has a gel content in the range of from about 10 to about 80 weight percent.Type: GrantFiled: August 23, 1988Date of Patent: June 25, 1991Assignee: General Electric CompanyInventors: Charles F. Pratt, Shrikant V. Phadke, Errol Olivier
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Patent number: 5004782Abstract: A novel thermoplastic resin composition is provided. It has excellent balance in the physical properties and is usable as shaped articles, sheets and films having excellent appearance in uniformity and smoothness. The thermoplastic resin composition is a blend of a resin composition (D) with a copolymer (C) containing epoxy group, said (D) being composed of graft-modified polypropylene (A) by unsaturated carboxylic acid or anhydride thereof, with or without unmodified polypropylene, and saturated polyester resin (B). The copolymer (C) is composed of an unsaturated epoxy compound and ethylene, with or without an ethylenically unsaturated compound other than ethylene.Type: GrantFiled: September 29, 1989Date of Patent: April 2, 1991Assignee: Sumitomo Chemical Company, Ltd.Inventors: Kentaro Mashita, Takeshi Fujii, Tadayuki Oomae
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Patent number: 5001192Abstract: A polymeric polyblend composition comprising a vinylidene chloride interpolymer, polyvinylchloride, and a compatibilizing amount of a compatabilizing polymer, said polymers being miscible.Type: GrantFiled: November 9, 1988Date of Patent: March 19, 1991Assignee: The Dow Chemical CompanyInventor: Yun C. Sun
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Patent number: 4992506Abstract: Molding compositions comprise a copolyetherester (A), (B) an aromatic thermoplastic polyester and a multistage rubbery elastomer (C) comprising a crosslinked (meth)acrylate phase and an interpenetrating, crosslinked styrenic phase and optionally, a mineral filler (D). Such compositions are useful for making molded articles with a good balance of modulus and elongation properties.Type: GrantFiled: December 2, 1988Date of Patent: February 12, 1991Assignee: General Electric CompanyInventors: Michael R. McCormick, Thomas A. Morelli, Warren J. Peascoe, Stefan F. Rasch, John A. Tyrell, May T. Wong
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Patent number: 4988767Abstract: A thermosetting powder coating composition which has good stability, pigment dispersion and impact characteristics is disclosed. The composition comprises a co-reactable particle mixture of an acid group-containing acrylic polymer having a Tg in the range of -20.degree. C. to 30.degree. C., an acid group-containing acrylic polymer having a Tg in the range of 40.degree. C. to 100.degree. C. and a curing agent, therefor.Type: GrantFiled: September 18, 1989Date of Patent: January 29, 1991Assignee: PPG Industries, Inc.Inventor: Paul H. Pettit, Jr.
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Patent number: 4987172Abstract: A flame-retardant synthetic resin composition comprising a thermoplastic resin selected from the group consisting of polyolefin, acrylonitrile-butadiene-styrene copolymer and ethylene-ethyl acrylate copolymer resins as a base polymer and, incorporated therein (A) a polyester fiber cut into a length smaller than 10 mm and/or a polyester powder having a particle size smaller than 10 mesh and (B) a polyphosphoric acid compound having a higher water resistance, wherein the amount of the thermoplastic resin is 40 to 95% by weight, the total amount of the components (A) and (B) is 5 to 60% by weight and the component (A)/component (B) weight ratio is in the range of from 5/1 to 1/20.Type: GrantFiled: October 28, 1988Date of Patent: January 22, 1991Assignee: Marubishi Oil Chemical Co., Ltd.Inventors: Ken Higashitsuji, Hiroshi Kimoto, Yasunobu Takahashi, Teruhisa Kojima, Yutaka Nadehara