Mixture Contains Solid Polymer Derived From Reactant Containing Oxygen Heterocycle Patents (Class 525/74)
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Patent number: 4719260Abstract: Disclosed is a hot-melt adhesive composition comprising from about 55 to about 95 weight % of an amorphous polymer containing at least 30% propylene and from about 45 to about 5 weight % of a graft copolymer of(a) a saturated, polycyclic hydrocarbon resin, and(b) maleic anhydride.Type: GrantFiled: February 9, 1987Date of Patent: January 12, 1988Assignee: Eastman Kodak CompanyInventors: Richard K. Stuart, Jr., Bruce W. Foster
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Patent number: 4701493Abstract: An acrylic modified styrenic/N-arylmaleimide copolymer containing composition which exhibits excellent melt flow properties, impact strength and gloss upon molding is disclosed.Type: GrantFiled: July 14, 1986Date of Patent: October 20, 1987Assignee: Atlantic Richfield CompanyInventor: Barry D. Dean
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Patent number: 4696972Abstract: A polymeric molding composition containing a polycarbonate resin, a styrenic copolymer and a methylmethacrylate-butadiene-styrene polymer is disclosed. The molding compositions of this invention exhibit excellent impact strength and can be molded over a wide range of processing conditions.Type: GrantFiled: April 1, 1985Date of Patent: September 29, 1987Assignee: Atlantic Richfield CompanyInventor: Larry G. Bourland
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Patent number: 4687810Abstract: A rubber blend is produced by masticating a mixture of monoolefin copolymer rubber and high-diene hydrocarbon rubber while dynamically vulcanizing the monoolefin copolymer rubber. The blend is then further treated to vulcanize the high-diene hydrocarbon rubber portion. The resulting vulcanized blend has improved properties.Type: GrantFiled: January 2, 1986Date of Patent: August 18, 1987Assignee: Monsanto CompanyInventor: Aubert Y. Coran
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Patent number: 4684576Abstract: Succinic acid or succinic anhydride grafts of HDPE are blended with ungrafted LLDPE and with ungrafted LDPE to form blends having useful adhesive properties. The succinic acid or succinic anhydride groups are provided by grafting, respectively, maleic acid or maleic anhydride onto HDPE. Laminates of the blends on various metals and polymers are shown.Type: GrantFiled: February 3, 1986Date of Patent: August 4, 1987Assignee: The Dow Chemical CompanyInventors: Ricky L. Tabor, James A. Allen
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Patent number: 4678834Abstract: A polyolefin blend comprising, in physical admixture, a major portion of particles of a polyethylene and a minor portion of particles of a composition of a thermoplastic second polymer, is disclosed. The polyethylene is selected from the group consisting of homopolymers of ethylene and copolymers of ethylene and at least one C.sub.4 -C.sub.10 higher alpha-olefin, and the second polymer is a normally solid thermoplastic polymer having a melting point of less than 185.degree. C. and a shear viscosity that is not more than that of the polyethylene when measured at 200.degree. C. and a shear rate of 400 sec.sup.-1 with the proviso that the second polymer is not a homopolymer or copolymer derived solely from hydrocarbon alpha-olefins having 2-10 carbon atoms. Examples of second polymers are (a) homopolymers and copolymers of unsaturated hydrocarbons in which at least one monomer is other than a C.sub.2 -C.sub.10 alpha-olefin, e.g.Type: GrantFiled: July 18, 1985Date of Patent: July 7, 1987Assignee: Du Pont Canada Inc.Inventors: Daniel W. Boivin, Ronald A. Zelonka
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Patent number: 4678602Abstract: A resin composition, which is very highly electroconductive, comprises a vinylaromatic copolymer containing an unsaturated dicarboxylic acid anhydride and a metallic filler. It is also improved in mechanical properties.Type: GrantFiled: May 14, 1984Date of Patent: July 7, 1987Assignee: Daicel Chemical Industries, Ltd.Inventors: Kazunobu Tanaka, Kyozo Mori
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Patent number: 4670349Abstract: An adhesive resin composition comprising(A) 100 parts by weight of a polymer having a crystallinity, determined by X-ray diffractometry, of not more than 40% selected from the group consisting of an ethylene/vinyl acetate copolymer and ethylene/alpha-olefin random copolymers,(B) 1 to 50 parts by weight of modified polyethylene having a melt flow rate of 0.01 to 50 g/10 minutes and containing 0.01 to 10% by weight of an unsaturated carboxylic acid or its derivative grafted thereto, and(C) 1 to 125 parts by weight of a hydrogenated aromatic petroleum resin in which at least 70% of the romatic ring is hydrogenated;provided that the total amount of the modified polyethylene (B) and the hydrogenated aromatic petroleum resin (C) is not more than 150 parts by weight.Type: GrantFiled: December 17, 1985Date of Patent: June 2, 1987Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Mikio Nakagawa, Koichiro Sato, Kuniaki Kanemoto, Akito Nishimura
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Patent number: 4663390Abstract: Polymer alloys containing copolymers of methylmethacrylate/N-phenylmaleimide are disclosed. In one embodiment the polymer alloy is an alloy of methylmethacrylate/N-phenylmaleimide and styrene/maleic anhydride. In another embodiment, the polymer alloy is an alloy of methylmethacrylate/N-phenylmaleimide and styrene/maleic anhydride/N-phenylmaleimide.Type: GrantFiled: April 1, 1985Date of Patent: May 5, 1987Assignee: Atlantic Richfield CompanyInventor: Barry D. Dean
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Patent number: 4663389Abstract: Molding compositions are prepared from blends of (A) a styrene-maleic anhydride-methyl methacrylate terpolymer which contains a rubber component; (B) an ABS or MBS polymer; and (C) a polycarbonate.Type: GrantFiled: November 1, 1985Date of Patent: May 5, 1987Assignee: Monsanto CompanyInventors: William J. Jones, Robert A. Mendelson
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Patent number: 4661560Abstract: Thermoplastic molding compositions are disclosed which comprise an intimate admixture of (a) a copolymer of a vinyl aromatic compound and an .alpha.,.beta.-unsaturated cyclic anhydride, including rubber-modified copolymers thereof, and (b) impact modifiers comprising graft copolymers, copolyesters, and rubber-modified homopolymers. Optionally, the compositions can also include a polyphenylene ether resin and further, optionally, a normally liquid polybutadiene oligomer. Mixing (a) with a polyphenylene ether leads to a compatible composition, markedly improved in heat deflection temperature.Type: GrantFiled: September 21, 1984Date of Patent: April 28, 1987Assignee: General Electric CompanyInventors: Visvaldis Abolins, John C. Goossens, Fred F. Holub, Gim F. Lee, Jr.
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Patent number: 4661561Abstract: Thermoplastic molding compositions are disclosed which comprise an intimate admixture of (a) a copolymer of a vinyl aromatic compound and an .alpha., .beta.-unsaturated cyclic anhydride, including rubber-modified copolymers thereof, and (b) impact modifiers comprising graft copolymers, copolyesters, and rubber-modified homopolymers. Optionally, the compositions can also include a polyphenylene ether resin and further, optionally, a normally liquid polybutadiene oligomer. Mixing (a) with a polyphenylene ether leads to a compatible composition, markedly improved in heat deflection temperature.Type: GrantFiled: September 21, 1984Date of Patent: April 28, 1987Assignee: General Electric CompanyInventors: Visvaldis Abolins, John C. Goossens, Fred F. Holub, Gim F. Lee, Jr.
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Patent number: 4657975Abstract: A thermoplastic resin composition having high heat resistance and good impact resistance, which comprises (A) at least one unsaturated dicarboxylic acid anhydride polymer obtainable by polymerizing at least one unsaturated dicarboxylic acid anhydride and at least one aromatic vinyl compound with or without at least one other polymerizable monomer in the presence or absence of a rubbery material and (B) at least one olefin polymer chosen from (B-1) an olefin/alkyl unsaturated carboxylate copolymer, (B-2) an unsaturated carboxylic acid-modified olefin polymer and (B-3) an epoxy group-containing olefin polymer, the weight proportion of the unsaturated dicarboxylic acid anhydride polymer (A) and the olefin polymer (B) being 100:1-100.Type: GrantFiled: October 16, 1985Date of Patent: April 14, 1987Assignee: Sumitomo Naugatuck Co., Ltd.Inventors: Mikio Kodama, Akitoshi Ito
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Patent number: 4654402Abstract: Compatibilized polymer blends are described comprising a blend of olefin polymer, cross-linkable acrylic ester copolymer rubber, and a compatibilizing amount of a graft copolymer comprising acrylic ester copolymer compatibilizing segments and olefin polymer compatibilizing segments.Type: GrantFiled: September 9, 1985Date of Patent: March 31, 1987Assignee: Monsanto CompanyInventor: Raman Patel
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Patent number: 4647620Abstract: A polyblend which has a high heat distortion temperature and good impact strength, and which may be transparent, is produced by blending 20 to 95 percent by weight of an anhydride polymer of a vinyl aromatic monomer, such as styrene or p-methylstyrene, with an unsaturated dicarboxylic acid anhydride, such as maleic anhydride, with 80 to 5 percent by weight of a methyl methacrylate homopolymer or copolymer, where at least one of the anhydride polymer or the methyl methacrylate polymer are rubber modified. Various other polymers or resins may be added to the blend, such as 10 to 60 weight percent of a vinyl chloride resin, or rubber modified vinyl chloride resin, up to 20 percent of an ungrafted rubber, or up to 40 percent of a graft copolymer of a vinyl aromatic monomer and methyl methacrylate, methacrylonitrile, or acrylonitrile or mixtures, grafted onto 10-60 percent of a substrate rubber.Type: GrantFiled: August 24, 1984Date of Patent: March 3, 1987Inventor: Kenneth W. Doak
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Patent number: 4644034Abstract: A resin composition is resistant to heat and impact and comprises (a) a polyphenylene ether resin, (b) a rubber graft copolymer resin obtained from a rubbery polymer having a glass transition temperature of 0.degree. C. or lower, an aromatic vinyl monomer and an alpha, beta-unsaturated dicarboxylic anhydride monomer and (c) a block copolymer of an aromatic vinyl monomer and an aliphatic diene monomer. It may contain a mono-olefinic monomer having a nitril or carboxylic ester group as the rubber graft copolymer resin.Type: GrantFiled: December 28, 1984Date of Patent: February 17, 1987Assignee: Daicel Chemical Industries, Ltd.Inventors: Kazunobu Tanaka, Michio Kobayashi
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Patent number: 4642325Abstract: A cathode-depositing electrodeposition coating composition having excellent low-temperature curability comprising as essential ingredients(A) 100 parts by weight of a reaction product of (1) a high molecular compound having a molecular weight of 500 to 5,000 and containing carbon-carbon double bonds with an iodine number of 50 to 500 and 3 to 12% by weight of oxirane oxygen, and (2) 30 to 300 millimoles, per 100 g of the high molecular compound (1), of a specified amine compound,(B) 10 to 200 parts by weight of a reaction product of a specified diglycidyl compound with 1.9 to 2.1 moles, per molecule of the diglycidyl compound, of an alpha, beta-unsaturated carboxylic acid or an unsaturated fatty acid having a molecular weight of 100 to 350 and containing at least 10% by weight of a carbon-carbon double bond, or a mixture of both,(C) 0.Type: GrantFiled: April 5, 1985Date of Patent: February 10, 1987Assignee: Nippon Oil Company, Ltd.Inventors: Yutaka Otsuki, Hiroyoshi Omika, Akio Oshima, Yoshihiko Araki, Yasuyuki Tsuchiya
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Patent number: 4640788Abstract: Lubricants of improved properties contain ethylene-propylene copolymers bearing graft units derived from, as a functional monomer, the reaction product of (i) an unsaturated aldehyde or ketone and (ii) a primary or secondary amine which contains at least one nitrogen atom in a heterocyclic ring.Type: GrantFiled: April 29, 1985Date of Patent: February 3, 1987Assignee: Texaco Inc.Inventors: Maria M. Kapuscinski, Christopher S. Liu, William P. Hart, Larry D. Grina
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Patent number: 4639473Abstract: Thermoplastic, high-impact moulding compositions of (A) 5 to 80 parts by weight of a graft product of 70 to 30% by weight of a mixture of an aromatic vinyl compound and acrylonitrile and/or methacrylonitrile on 30 to 70% by weight of a rubber having a glass transition temperature of below -10.degree. as the graft base and (B) 20 to 95 parts by weight of a terpolymer of styrene and/or .alpha.-methylstyrene, p-methylstyrene and acrylonitrile and/or methacrylonitrile, the terpolymer having been produced by mass polymerization.Type: GrantFiled: November 22, 1985Date of Patent: January 27, 1987Assignee: Bayer AktiengesellschaftInventors: Frank Wingler, Otto Koch, Joachim Doering, Karl-Heinz Ott, Lothar Liebig
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Patent number: 4632959Abstract: A modified polyolefin composition comprising(A) 50 to 99 parts by weight of a modified polyolefin having an intrinsic viscosity [.eta.] of 0.5 to 10 dl/g and a degree of crystallization of at least 20% selected from the group consisting of polyolefins modified with styrene-type hydrocarbons, polyolefins modified with unsaturated epoxy compounds, polyolefins modified with unsaturated silane compounds, halogenated polyolefins and hydroxyl group-containing polyolefins, and(B) 1 to 50 parts by weight of a thermoplastic polymer selected from the group consisting of(B-1) thermoplastic polymers having a flexural modulus of less than 1000 kg/cm.sup.2, a glass transition temperature (Tg) of not higher than 0.degree. C. and a weight average molecular weight (Mw) of at least 400,000, and(B-2) polar non-olefinic thermoplastic polymers or ethylenic polymers having a flexural modulus of at least 1000 kg/cm.sup.2 and an adhesion strength, with respect to the modified polyolefin (A), of not more than 200 g/cm.Type: GrantFiled: September 19, 1984Date of Patent: December 30, 1986Assignee: Mitsui Petrochemical Industries, Ltd.Inventor: Riichiro Nagano
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Patent number: 4629760Abstract: A composition comprisinga. a major amount of an aromatic polycarbonate;b. a minor quantity of a polyester selected from polyalkylene terephthalate and polycycloalkylene terephthalate, isophthalate or a mixture of the two acids;c. a minor quantity of an elastomeric acrylate copolymer with a second order transition temperature, Tg, of less than -10.degree. C. and phenoxy resin effective to significantly maintain the impact strength and ductility at break after exposing a stressed part to brake fluid comprising alcohols and ethers.Type: GrantFiled: November 1, 1985Date of Patent: December 16, 1986Assignee: General Electric CompanyInventors: Ping Y. Liu, Harold F. Giles, Jr.
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Patent number: 4624869Abstract: In high solids alkyd resin coatings the blend of 10 to 50 weight percent of unsaturated polyester or unsaturated polyester urethane cure modifiers improves the cure, hardness, gloss and film properties of alkyd and acrylic resins adapted to cure by oxidative methods.Type: GrantFiled: March 27, 1985Date of Patent: November 25, 1986Assignee: SCM CorporationInventor: Henry J. De Graaf
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Patent number: 4612155Abstract: A continuous process for the grafting of ethylenically unsaturated monomers onto homopolymers of ethylene and copolymers of ethylene and C.sub.4 -C.sub.10 higher alpha-olefins is disclosed. The process involves feeding to an extruder an admixture comprising (i) a major portion of the above polymer of ethylene, (ii) the monomer, (iii) 25-500 ppm of an organic peroxide and (iv) a minor portion of a normally solid thermoplastic polymer having a melting point of less than 185.degree. C. and a shear viscosity at 200.degree. C. and a shear rate of 400 sec.sup.-1 that is not more than 50% of that of the polymer of ethylene. The organic peroxide is in the form of a composition with the thermoplastic polymer. The admixture is mixed in a first zone at a temperature above the melting point of the polymers for at least ten seconds but for less than 25% decomposition of the peroxide and then in a second zone for a period that is at least four times the half-life of the peroxide.Type: GrantFiled: July 18, 1985Date of Patent: September 16, 1986Assignee: Du Pont Canada Inc.Inventors: Chun S. Wong, Ronald A. Zelonka
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Patent number: 4609706Abstract: High solids alkyd resin coatings are prepared by reacting at least a portion of the available hydroxyl groups on a resin with an ethylenically unsaturated monoisocyanate monomer. The new products, useful both as the major vehicle resin in high solids coatings and as a cure modifier for oxidatively curable alkyd, polyester and acrylic resins, impart improved drying and weathering properties to coatings while maintaining low paint viscosity.Type: GrantFiled: March 27, 1985Date of Patent: September 2, 1986Assignee: SCM CorporationInventors: Daniel Bode, Henry J. DeGraaf
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Patent number: 4609701Abstract: Blends of (a) a vinyl chloride polymer having a relative viscosity as measured at a concentration of 1 gram per 100 grams of cyclohexanone at 25.degree. C. falling within the range of about 1.50 to about 1.85; (b) a copolymer of a vinyl aromatic compound and an .alpha.,.beta.-unsaturated cyclic anhydride in which the relative proportions of said compound and said anhydride fall within the range of about 91 to about 70 weight percent of said compound and about 9 to about 30 weight percent of said anhydride; and (c) a tin-containing stabilizer and an impact modifier for vinyl chloride polymers. These blends contain 60 to 40 weight percent of (a) and 40 to 60 weight percent of (b) and have an Izod impact strength (ASTM D 256, Method A) of at least 0.5 foot pound per inch; a heat deflection temperature (ASTM D 648) at 66 psi of at least 75.degree. C.; and a dynamic thermal stability of at least 10 minutes.Type: GrantFiled: February 4, 1985Date of Patent: September 2, 1986Assignee: Ethyl CorporationInventors: Jesse D. Jones, Edwin D. Hornbaker
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Patent number: 4608414Abstract: A thermoplastic resin composition comprising:(A) from 10 to 90 parts by weight of an imide-modified polymer having an imido group and obtained by reacting ammonia and/or a primary amine to a copolymer prepared by the polymerization of a monomer mixture comprising from 50 to 70% by weight of an aromatic vinyl monomer and from 30 to 50% by weight of an unsaturated dicarboxylic acid anhydride;(B) from 10 to 90 parts by weight of a graft copolymer prepared by copolymerizing from 30 to 75% by weight of a mixture comprising from 40 to 80% by weight of a rubber-like polymer having a weight average particle size of from 0.3 to 0.6 .mu.m and from 20 to 60% by weight of a rubber-like polymer having a weight average particle size of from 0.1 to 0.2 .mu.Type: GrantFiled: November 22, 1985Date of Patent: August 26, 1986Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Tomoyuki Kitsunai, Tetsuji Miura, Norio Yagi
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Patent number: 4605720Abstract: Crosslinked, preferably acrylic, preferably melamine crosslinked, polymer particles formed by reactions comprising free radical addition polymerization of:(a) between about 0.5 and about 20 weight percent each of first and second monomers, each bearing functionality capable of crosslinking reaction with the other, wherein (i) either both additionally are ethylenically unsaturated monomers or (ii) the first monomer additionally is ethylenically unsaturated and the second monomer bears multiple crosslinking functionality and no ethylenic unsaturation; and(b) between about 60 and about 99 weight percent of at least one other monoethylenically unsaturated monomer;in the presence of (I) an organic liquid which is a solvent for the polymerizable monomers, but a non-solvent for the resultant polymer, and (II) polymeric dispersion stabilizer bearing one long chain non-polar hydrocarbon molecule and one vinyl unsaturation.Type: GrantFiled: February 23, 1983Date of Patent: August 12, 1986Assignee: Ford Motor CompanyInventors: Mohinder S. Chattha, Joseph C. Cassatta
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Patent number: 4602056Abstract: The invention relates to the use of grafted ethylene-vinylacetate copolymers (EVA-copolymers) for the production of hotmelt adhesives.Type: GrantFiled: May 10, 1985Date of Patent: July 22, 1986Assignee: Bayer AktiengesellschaftInventors: Helmut Waniczek, Gerhard Hohmann, Herbert Bartl, Ludwig Mott
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Patent number: 4600747Abstract: ABS-moulding compositions consisting of a thermoplastic copolymer and a graft polymer with rubber-like graft base exhibit an improved flame resistance if the total mixture contains a compound corresponding to the formulae ##STR1## polymerized into one or both components, wherein R.sub.1 represents C.sub.2 -C.sub.6 -alkylene,R.sub.2 represents hydrogen or methyl,R.sub.3 represents a direct bond or C.sub.1 -C.sub.4 -alkylene, andR.sub.4 represents hydrogen, methyl or CH.sub.2 --OOC--CH.sub.2 --CO--CH.sub.3.Type: GrantFiled: April 18, 1985Date of Patent: July 15, 1986Assignee: Bayer AktiengesellschaftInventors: Karl Zabrocki, Christian Lindner, Friedmann Muller, Joachim Doring
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Patent number: 4596851Abstract: The present invention relates to thermoplastic moulding compositions containing thermoplastic polycarbonates, graft polymers, rubber-free copolymers and, if appropriate, copolymeric rubbers, and also, if appropriate, conventional additives, which are characterized in that the rubber-free copolymers contain internal epoxide compounds.Type: GrantFiled: April 8, 1985Date of Patent: June 24, 1986Assignee: Bayer AktiengesellschaftInventors: Christian Lindner, Otto Koch, Hans-Jurgen Kress, Horst Peters
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Patent number: 4592960Abstract: A polyolefin product is produced by reacting a polyolefin grafted with a carboxylic acid or anhydride thereof with a polar polymer containing amino groups. The amino groups in the reaction products improves adhesion and compatibility properties.Type: GrantFiled: April 17, 1985Date of Patent: June 3, 1986Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Hiroshi Inoue, Tadashi Sezume, Kazuo Sei
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Patent number: 4569969Abstract: Molding compositions are prepared from blends of (A) a styrene-maleic anhydride-methyl methacrylate terpolymer; (B) an ABS or MBS polymer; and (C) a polycarbonate. Component A, the styrene-maleic anhydride-methyl methacrylate terpolymers may optionally contain a rubber component.Type: GrantFiled: December 10, 1984Date of Patent: February 11, 1986Assignee: Monsanto CompanyInventors: William J. Jones, Robert A. Mendelson
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Patent number: 4569970Abstract: The present invention relates toA. Thermoplastic moulding materials based on polydiorganosiloxane/polycarbonate block copolymers and ABS polymers andB. Thermoplastic moulding compositions based on polysiloxane/polycarbonate block copolymers, elastomeric polymers and, if appropriate, polyalkylene terephthalate.Type: GrantFiled: August 20, 1984Date of Patent: February 11, 1986Assignee: Bayer AktiengesellschaftInventors: Winfried Paul, Hans-Jurgen Kress, Wolfgang Stix, Christian Lindner, Dieter Neuray, Werner Nouvertne
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Patent number: 4567223Abstract: The hot-melt adhesives of the present invention comprise a blend of at least one propylene/C.sub.4 to C.sub.10 higher 1-olefin copolymer having an acid number of at least 5, a tackifying resin, and a high density, low viscosity polyethylene wax having a melt viscosity of about 5 to 50 cp. at 150.degree. C. This hot-melt adhesive has a novel combination of properties including low melt viscosity and fast setting which meet the requirements necessary for use in rapid bonding or closing in low and high temperature applications.Type: GrantFiled: August 31, 1984Date of Patent: January 28, 1986Assignee: Eastman Kodak CompanyInventor: William A. Ames
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Patent number: 4562230Abstract: A modified polyolefin composition useful for producing a shaped article having an excellent bonding property and an enhanced impact resistance comprises a modified olefin polymer material prepared by melting a mixture of an olefin polymer material comprising at least one crystalline ethylene-propylene random copolymer containing from 0.5 to 5% by weight of copolymerized ethylene and having a melt flow index of from 0.2 to 5 with a modifying agent consisting of at least one unsaturated dicarboxylic anhydride and a radical reaction initiator at a temperature of from 170.degree. C. to 270.degree. C. at which the mixture is melted; and a polyolefin rubber having a Mooney viscosity ML.sub.1+4 (100.degree. C.) of 10 to 100 and mixed in an amount of from 5% to 40% based on the sum of the weight of the modified olefin polymer material and the polyolefin rubber with the modified olefin polymer material at a temperature at which the mixture is melted.Type: GrantFiled: November 10, 1983Date of Patent: December 31, 1985Assignee: UBE Industries, Ltd.Inventors: Osamu Fukui, Yoshihiro Inuizawa, Saburo Hinenoya, Yasufumi Takasaki
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Patent number: 4562229Abstract: A novel thermoplastic polymer composition comprises a blend of a polyolefin graft copolymer, and a copolymer of styrene and maleic anhydride and modifications thereof.Type: GrantFiled: October 12, 1983Date of Patent: December 31, 1985Assignee: Occidental Chemical CorporationInventors: Leigh E. Walker, Gautam R. Ranade
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Patent number: 4558098Abstract: There is provided a heat-resistant methacrylic resin composition, which comprises 1 to 99% by weight of a copolymer [I] obtained by copolymerizing methyl methacrylate, an aromatic vinyl compound and maleic anhydride and 99 to 1% by weight of a copolymer [II] obtained by copolymerizing 80 to 100% by weight of methyl methacrylate and 0 to 20% by weight of other copolymerizable ethylenic monomer.The resin composition according to the present invention is excellent in characteristics such as optical characteristics, mechanical properties, weathering resistance and molding processability as well as in productivity.Type: GrantFiled: December 19, 1983Date of Patent: December 10, 1985Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Kazumasa Kamata, Yoshio Nakai, Yasunori Shimomura
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Patent number: 4554304Abstract: Hot melt adhesives with long open time good bonding to cold metals are made of blends of a maleic anhydride modified copolymer of butene-1 and ethylene, an aliphatic, substantially non-polar resin, a antioxidizing agent and, optionally, microcrystalline wax, a block copolymer and atactic polypropylene.Type: GrantFiled: May 31, 1984Date of Patent: November 19, 1985Assignee: Shell Oil CompanyInventors: David R. Hansen, William H. Korcz
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Patent number: 4554316Abstract: A thermoplastic resin composition affording a delustered shaped article which comprises (A) a rubber-modified copolymer with (B) an epoxy group-containing olefin polymer or an unsaturated carboxylic acid-modified olefin polymer (B').Type: GrantFiled: November 7, 1983Date of Patent: November 19, 1985Assignee: Sumitomo Naugatuck Co., Ltd.Inventors: Hajime Sakano, Akitoshi Ito, Motoichi Yano, Yasuhiro Honda, Takayoshi Fujiwara
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Patent number: 4554315Abstract: A thermoplastic blend comprising a C.sub.1 -C.sub.4 (alkylene terephthalate), a polycarbonate resin and a butadiene or an acrylate based graft copolymer was found to be amenable without pre-extrusion drying, to thermoplastic processing upon the admixing therewith an additive amount of a polymeric modifier.Type: GrantFiled: September 17, 1984Date of Patent: November 19, 1985Assignee: Mobay Chemical CorporationInventors: James Y. J. Chung, Russell P. Carter, Jr., Dieter Neuray
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Patent number: 4551500Abstract: A polyblend which has high heat distortion temperature and high impact strength is produced from 80 to 20 percent by weight of vinyl chloride resins, which comprise 90 to 30 percent by weight of a rubber-modified vinyl chloride resin and 10 to 70 percent by weight of a vinyl chloride resin that is not rubber-modified; and 20 to 80 percent by weight of a polymer of a vinyl aromatic monomer such as styrene, an unsaturated dicarboxylic acid anhydride, such as maleic anhydride, and an optional third monomer such as methyl methacrylate or acrylonitrile, which polymer may be a rubber-modified polymer.Type: GrantFiled: August 2, 1984Date of Patent: November 5, 1985Inventor: Kenneth W. Doak
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Patent number: 4543391Abstract: Polyphenylene ether compositions having enhanced commercial value as engineering resin, which are excellent in the appearance characteristics, such as surface gloss and weld part beauty, and stress crack resistance. The present resin composition is composed of a polyether resin (PPE) and a rubber reinforced high impact polystyrene (HIPS), if desired, together with a vinyl aromatic compound resin, wherein the PPE has specific characteristics with respect to the intrinsic viscosity, the eluting amount, and others.Type: GrantFiled: November 19, 1981Date of Patent: September 24, 1985Assignee: Asahi-Dow LimitedInventors: Isao Kuribayashi, Kunio Fukuda
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Patent number: 4542179Abstract: The addition of styrene-acrylonitrile copolymer to acrylic core-shell thermoplastic elastomers reduces mold shrinkage and improves surface hardness. The compositions are useful as moldable and extrudable rubber goods.Type: GrantFiled: September 24, 1984Date of Patent: September 17, 1985Assignee: Borg-Warner Chemicals, Inc.Inventors: John C. Falk, Leland B. Kliever
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Patent number: 4533698Abstract: A thermoplastic resin composition consists essentially of (A) 100 parts by weight of a rubber-containing styrene type resin and (B) 1 to 45 parts by weight of a polymeric substance selected from the group consisting of a homopolymer of an acrylic acid ester, copolymers of an acrylic acid ester, and a mixture of these polymers, said component (B) having a solubility parameter of from 8.4 to 9.8 (cal/c.c.).sup.1/2, a glass transition temperature of 20.degree. C. or below, a gel content of 70% by weight or below, and relative viscosity of a substance soluble in methylethyl ketone of 20 or below.Type: GrantFiled: April 6, 1983Date of Patent: August 6, 1985Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Tetsuro Maeda, Akihiro Okamoto, Yoshimitsu Shimizu, Takashi Nomoto
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Patent number: 4533700Abstract: A hydrocarbon resin consisting essentially of a copolymer of (A) an unsaturated chain hydrocarbon or a cyclic hydrocarbon having a vinylidene group and (B) 9,10-dihydrodicyclopentadiene or its derivative, or a hydrocarbon resin modified by addition reacting an ethylenically unsaturated carboxylic acid or its anhydride, or hydrogen, to the above-mentioned copolymer. The hydrocarbon resin and the modified hydrocarbon resin have a high softening point and a low melt viscosity, and are suitable for use in adhesives and traffic paints.Type: GrantFiled: January 19, 1984Date of Patent: August 6, 1985Assignee: Mitsui Petrochemical Industries Ltd.Inventors: Kinya Mizui, Masami Takeda, Tadao Iwata
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Patent number: 4530965Abstract: A polymeric molding composition containing a polycarbonate resin, a styrenic copolymer and a methylmethacrylate-butadiene-styrene polymer is disclosed. The molding compositions of this invention exhibit excellent impact strength and can be molded over a wide range of processing conditions.Type: GrantFiled: February 10, 1984Date of Patent: July 23, 1985Assignee: Atlantic Richfield CompanyInventor: Larry G. Bourland
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Patent number: 4530957Abstract: Crosslinked, preferably acrylic, preferably melamine crosslinked, polymer particles formed by reactions comprising free radical addition polymerization of:(a) between about 0.5 and about 20 weight percent each of first and second monomers, each bearing functionally capable of crosslinking reaction with the other and additionally wherein the first monomer is ethylenically unsaturated and the second monomer bears multiple crosslinking functionality and no ethylenic unsaturation,(b) between about 60 and about 99 weight percent of at least one other monoethylenically unsaturated monomer;in the presence of (I) an organic liquid which is a solvent for the polymerizable monomers, but a non-solvent for the resultant polymer, and (II) polymeric dispersion stabilizer wherein the precursor of the first segment of the stabilizer comprises a long chain hydrocarbon molecule having only one reactive group per molecule, preferably being a carboxyl group.Type: GrantFiled: January 5, 1983Date of Patent: July 23, 1985Assignee: Ford Motor CompanyInventors: Ares N. Theodore, Mohinder S. Chattha
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Patent number: 4528329Abstract: A polyolefin product is produced by reacting a polyolefin grafted with a carboxylic acid or an anhydride thereof with a polar polymer containing epoxy groups. The unreacted epoxy groups in the resulting copolymer improves adhesion and compatibility with metals and other resins.Type: GrantFiled: May 2, 1983Date of Patent: July 9, 1985Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Hiroshi Inoue, Tadashi Sezume, Masaaki Isoi, Kunio Iwanami, Kazuo Sei
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Patent number: 4526927Abstract: A thermoplastic molding material contains a styrene polymer, a polyphenylene ether and, as a component for improving the impact strength, a block copolymer obtained by reacting an ethylene copolymer with an active polymeric anion.Type: GrantFiled: June 30, 1983Date of Patent: July 2, 1985Assignee: BASF AktiengesellschaftInventors: Juergen Hambrecht, Franz Brandstetter, Walter Ziegler, Wolfgang F. Muller, Klaus Bronstert, Adolf Echte
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Patent number: 4514543Abstract: Polymer alloys containing copolymers of methylmethacrylate/N-phenylmaleimide are disclosed. In one embodiment the polymer alloy is an alloy of methylmethacrylate/N-phenylmaleimide and styrene/maleic anhydride. In another embodiment, the polymer alloy is an alloy of methylmethacrylate/N-phenylmaleimide and styrene/maleic anhydride/N-phenylmaleimide.Type: GrantFiled: October 3, 1983Date of Patent: April 30, 1985Assignee: Atlantic Richfield CompanyInventor: Barry D. Dean