Solid Polymer From Oxygen Heterocycle Monomer Patents (Class 524/517)
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Patent number: 5418277Abstract: An aqueous dye or pigment ink particularly adapted for ink jet printing containing a fluorinated block copolymer prepared from a fluorinated oxazoline or oxazine. Resulting inks exhibit high print quality over a range of papers.Type: GrantFiled: April 26, 1994Date of Patent: May 23, 1995Assignee: E. I. Du Pont de Nemours and CompanyInventors: Sheau-Hwa Ma, Jose M. Rodriguez-Parada
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Patent number: 5385967Abstract: An aqueous dispersion containing from 5 to 80% by weight of a copolymer A) having a glass transition temperature of from 50 to 150.degree. C. and from 95 to 20% by weight of a copolymer B) having a glass transition temperature of from -50.degree. to +50.degree. C., the glass transition temperatures of the two copolymers differing by at least 20.degree. C. at least one of the two copolymers containing from 3 to 70% by weight, based on the particular copolymer, of an ethylenically unsaturated C.sub.3 -C.sub.5 -mono- or dicarboxylic acid or of the anhydride thereof and the stated weights of the copolymers A) and B) being based on the sum of A) and B), is used as a sealable coating.Type: GrantFiled: June 4, 1993Date of Patent: January 31, 1995Assignee: BASF AktiengesellschaftInventors: Gerhard Bauer, Karl-Heinz Schumacher, Hans-Joachim Fricke, Eckehardt Wistuba, Hans J. Neumann
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Patent number: 5371135Abstract: A modified olefin resin which can be dissolved in water by neutralization with an alkali and has an acid value of at least 30, produced by reacting a copolymer obtained from an .alpha.-olefin having at least 6 carbon atoms and maleic anhydride with at least one modifier having at least one functional group selected from the class consisting of hydroxyl, amino, aziridinyl and mercapto groups.Type: GrantFiled: December 16, 1993Date of Patent: December 6, 1994Assignee: Toyo Ink Manufacturing Co., Ltd.Inventor: Yoshiko Suzuki
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Patent number: 5369139Abstract: Radiation and peroxide-curable oligomeric emulsions are prepared by mixing water, an .alpha.,.beta.-ethylenically unsaturated oligomer (e.g. an unsaturated polyester), a reactive, nonionic surfactant containing allyl unsaturation, and a metallic salt drier under high shear agitation until a stable emulsion is formed. Coatings prepared from these emulsions are tack and mar free and demonstrate good resistance to organic solvents and water.Type: GrantFiled: August 17, 1993Date of Patent: November 29, 1994Assignee: Cook Composites and Polymers CompanyInventors: Rudolph H. Boeckeler, Delano R. Eslinger
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Patent number: 5362788Abstract: An aqueous composition for covering a polyolefin resin substrate consists essentially of a dispersion of a graft copolymer in which from 1 to 20% by weight, based on the graft copolymer of an .alpha.,.beta.-unsaturated dicarboxylic acid or acid anhydride thereof is grafted onto a propylene-.alpha.-olefin polymer, a neutralizing base and a polyol in water.Type: GrantFiled: March 12, 1993Date of Patent: November 8, 1994Assignee: Nippon Paper Industries Co., Ltd.Inventors: Itsuo Kimura, Kazuhiro Fujiwara, Shigeki Hikasa
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Patent number: 5356994Abstract: A hot-vulcanizable, pumpable rubber-based adhesive/sealant where the rubber component is a mixture of butadiene solid rubber and butadiene or isoprene liquid rubber, and wherein the liquid rubber comprises carboxylic acid groups. The adhesive/sealant compositions of the invention are particularly useful for bonding metal sheeting in the construction of automobile shells.Type: GrantFiled: July 7, 1992Date of Patent: October 18, 1994Assignee: Bostik, Inc.Inventor: Markus Koch
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Patent number: 5346737Abstract: Incorporation of at least one lubricant and an ethylene-based polymer of the formula E/X/Y wherein E is ethylene, X is methyl acrylate, butyl acrylate, or ethyl acrylate, and Y is glycidyl methacrylate, glycidyl acrylate, or glycidyl vinyl ether into polyacetal compositions results in compositions having good wear resistance and good melt processing thermal stability. The compositions are useful, for example, when molded into parts to be used in sliding applications, such as gears, cams, and conveyor chains.Type: GrantFiled: July 16, 1993Date of Patent: September 13, 1994Assignee: E. I. Du Pont de Nemours and CompanyInventors: Tatsu-Hiro Takahashi, Toshikazu Kobayashi
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Patent number: 5331050Abstract: An improved process for forming multiple coats of finishes on a substrate by sequential (a) applying to the substrate a layer of a color basecoat composition of waterborne coating composition of an acrylic polymer latex contains pigment; (b) applying to the layer of color basecoat composition before it is fully cured a clear coat composition of an acrylic polymer having crosslinkable groups and a crosslinking agent in a volatile organic solvent and (c) subsequently simultaneously curing the basecoat composition and the clear coat composition; the improvement used therewith comprises a solvent based clear coating composition having a binder of about40-95% by weight of an epoxy acrylic polymer having at least one alkyl methacrylate having 2-12 carbon atoms in the alkyl group, and glycidyl methacrylate or acrylate and having a weight average molecular weight of about 3,000-10,000 and a glass transition temperature of about -20.degree. to +50.degree. C.Type: GrantFiled: March 3, 1993Date of Patent: July 19, 1994Assignee: E. I. Du Pont de Nemours and CompanyInventor: Lee R. Harper
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Patent number: 5306757Abstract: Disclosed is an emulsified alkenylsuccinic acid sizing agent useful for acid papermaking. The sizing agent has a solid concentration of at least 25% by weight and comprises an alkenylsuccinic acid which is the reaction product of a branched internal olefin and maleic anhydride and which has been dispersed in water by an emulsifying and dispersing agent comprising polyvinyl alcohol. The sizing agent results in good storage stability and has an excellent sizing effect at a low addition ratio immediately after completion of high-temperature papermaking and over a wide pH range.Type: GrantFiled: December 21, 1992Date of Patent: April 26, 1994Assignee: Mitsubishi Oil Co., Ltd.Inventors: Shigeto Hatanaka, Yoshio Takahashi, Hideto Umekawa
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Patent number: 5296554Abstract: An adhesive resin composition comprises (A) 2 to 98% by weight of an ethylene copolymer resin containing 0.01 to 20% by weight of the unit of an unsaturated carboxylic acid anhydride in the main chain; and (B) 98 to 2% by weight of a resin mixture comprising (i) 50 to 90% by weight of a copolymer resin of ethylene/vinyl acetate, (ii) 40 to 9.5% by weight of a binary copolymer resin of ethylene and an .alpha.-olefin having 3 to 12 carbon atoms, and (iii) 10 to 0.5% by weight of an ethylene/propylene/unconjugated diene terpolymer. The resin mixture is obtained by mixing (i), (ii) and (iii) in a molten state and has a toluene extraction residue of 10 to 60% by weight. The adhesive resin composition is utilized as an adhesive material between layers of a multi-layer laminate and scrap or waste material from the adhesive resin composition or from the multilayer laminate can be recycled as an adhesive resin composition having excellent interlayer strength and compatibility.Type: GrantFiled: April 7, 1993Date of Patent: March 22, 1994Assignee: Showa Denko K.K.Inventors: Kazuyuki Watanabe, Yuji Kira
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Patent number: 5290848Abstract: A coating composition which cures at ambient temperatures and contains a binder and a solvent for the binder, wherein the binder contains about:A. an acrylic polymer A having pending from the polymer backbone aminoester groups, hydroxy aminoester groups or hydroxyamine groups,B. an acrylic crosslinking polymer B of polymerized monomers of at least 3% by weight of a glycidyl constituent of glycidyl methacrylate or acrylate, and the remainder of the monomers are alkyl methacrylate an acrylate each having 1-12 carbon atoms in the alkyl group;C. a polyester or polyesterurethane polymer C having at least 2 pendant groups of the formula ##STR1## the composition is useful as an exterior finish for automobiles and trucks and for repairing finishes of automobiles and trucks.Type: GrantFiled: December 22, 1992Date of Patent: March 1, 1994Assignee: E. I. Du Pont de Nemours and CompanyInventors: George T. Palmer, Ruth A. Theobald
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Patent number: 5284894Abstract: A low-foaming resin-fortified latex comprising a dispersed acrylic polymer, polyelectrolyte resin and a non-ionic emulsifier with an HLB value of 13 or less.Type: GrantFiled: June 21, 1993Date of Patent: February 8, 1994Assignee: BASF CorporationInventors: Basil Wasyliw, Edward Stone, John G. Pucknat
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Patent number: 5278237Abstract: Disclosed are a sculpturing resin composition which comprise comprising a polyoctenamer resin and a polyolefin copolymer and/or a modified polyolefin resin, and a process for sculpturing a sculptured product.The sculpturing composition has an excellent property of not shrinking even after elapse a long period of time, and is capable of being molded by hand at moderate temperatures, sculptured or shaved with a chisel, etc., and also being polished or ground with a rasp, etc., in comparison with conventional sculpturing materials.The anti-shrinking property of the polyoctenamer resin is found to be improved specifically by the mixing with a polyolefin copolymer and/or a modified polyolefin resin.Type: GrantFiled: August 7, 1992Date of Patent: January 11, 1994Assignee: DAICEL-Huls Ltd.Inventor: Masami Kita
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Patent number: 5273823Abstract: Granular compositions which comprise a block copolymer containing blocks of polybenzazole polymer and blocks of thermoplastic polymer can be compression molded to provide a molded article having physical properties superior to molded articles made from the thermoplastic polymer alone.Type: GrantFiled: July 2, 1990Date of Patent: December 28, 1993Assignee: The Dow Chemical CompanyInventors: Wen-Fang Hwang, Otto C. Raspor, William J. Harris, Thuan P. Dixit
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Patent number: 5248712Abstract: A binder for preparing an aqueous ceramics slurry, which contains a hydrophilic polymer such as a water-soluble (meth)acrylic polymer, a polysaccharide of natural origin such as pectin, pectinic acid, glucan, etc., and a polyvinyl compound such as poly(vinyl butyral). The aqueous ceramics slurry contains less than 25 parts by weight of the binder to 100 parts by weight of ceramics powder. The slurry is applied on a carrier film by a doctor blade method and dried to give a ceramics green sheet. A ceramics sheet can be produced by sintering the green sheet.Type: GrantFiled: December 18, 1991Date of Patent: September 28, 1993Assignee: Takeda Chemical Industries, Ltd.Inventors: Tatsuro Takeuchi, Motoya Mouri, Tetsuya Sahara
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Patent number: 5248562Abstract: A plastisol based composition contains:(a) a copolymer of an aliphatic olefinically unsaturated material and an anhydride containing material; and(b) a polyvinyl chloride plastisol.The composition is particularly suitable for use as a sealant.Type: GrantFiled: December 27, 1991Date of Patent: September 28, 1993Assignee: PPG Industries, Inc.Inventors: Anthony C. Palermo, Karl F. Schimmel, Michael M. Chau
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Patent number: 5232963Abstract: A method is disclosed for dispersing gums in hydrocarbon streams, particularly low molecular weight, sticky polymeric materials formed in refinery and petrochemical plant operation. The dispersant comprises a free radically polymerized copolymer of an .alpha.-olefin of from about 10 to about 36 carbon atoms and maleic anhydride wherein the anhydride moieties along the copolymer backbone are substantially unhydrolyzed. The copolymer has a ratio of olefin to maleic anhydride of from about 1 to about 0.5 and a molecular weight of from 5000 to about 100,000. The dispersant alternatively comprises a dispersant mixture wherein the first component comprises the .alpha.-olefin/maleic anhydride copolymer and the second component comprises an alkyl substituted phenol/formaldehyde liquid polymer, such as nonyl phenol/formaldehyde polymer, or a lipophilic/hydrophilic vinylic polymer, such as hydroxyethyl methacrylate/lauryl acrylate copolymer. Also disclosed is a hydrocarbon dispersion made by the method.Type: GrantFiled: July 9, 1992Date of Patent: August 3, 1993Assignee: Nalco Chemical CompanyInventors: David G. Comer, Sherri L. Fisher
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Patent number: 5225483Abstract: A thermoplastic composition is provided which comprises a blend of a thermoplastic, such as a copolymer of styrene and maleic anhydride; polypropylene; a modified elastomeric component, such as EPM or EPDM, which has been modified with a specified functional monomer, such as a 2-substituted-5-norbornene, and an amine-modified maleic anhydride grafted polypropylene. The composition has improved properties.Type: GrantFiled: July 22, 1991Date of Patent: July 6, 1993Assignee: Exxon Chemical Patents Inc.Inventors: Sudhin Datta, Narayanaswami R. Dharmarajan, Jean M. Dekoninck, Donald A. White
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Patent number: 5218011Abstract: A gel composition including a gel matrix with a thickener having a water absorbent polymer with pendent anionic groups dispersed therein. Preferred thickeners are organophilic clays such as bentonite and mixtures of such clays with waxes, silica and/or ethylene or polyethylene microspheres.The gel composition is activated with moisture so that the water absorbent polymer migrates to engage and absorb the water. The composition can be used to protect enclosed components or contents from water damage. Also, the gel composition protects wires which carry a small dc current such as the wires of telecommunication cables and splices. The composition eliminates shorts caused by water contact with such wires.Type: GrantFiled: May 20, 1991Date of Patent: June 8, 1993Assignee: WaterGuard Industries, Inc.Inventor: Clarence S. Freeman
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Patent number: 5217809Abstract: Granular compositions which comprise a block copolymer containing blocks of rigid rod polybenzazole polymer and blocks of thermoplastic polybenzazole polymer can be compression molded to provide a molded article having physical properties superior to molded articles made from the thermoplastic polymer alone.Type: GrantFiled: August 6, 1990Date of Patent: June 8, 1993Assignee: The Dow Chemical CompanyInventors: Wen-Fang Hwang, Otto C. Raspor, William J. Harris, Thuan P. Dixit
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Patent number: 5216081Abstract: A fluorine-containing copolymer comprising 20 to 60% by mole of the fluoroolefin unit (1), 5 to 45% by mole of the .beta.-methyl substituted .alpha.-olefin unit (2), 1 to 45% by mole of the unit (3) derived from a monomer having a chemically curable functional group, 1 to 45% by mole of the unit (4) derived from a monomer having ester moieties in the side chains and 0 to 45% by mole of the unit (5) derived from a copolymerizable monomer other than the above monomers, if necessary, 0.1 to 15% by mole of the unit (6) derived from a monomer having carboxyl groups. The copolymer can provide a curable composition alone or with an acrylic polymer. The fluorine-containing copolymer is excellent in solvent-solubility, compatibility with curing agents, additives and other polymers, pigment dispersibility, curing reactivity, dispersibility to water, pot life, film forming ability, coating properties, and the like.Type: GrantFiled: September 30, 1992Date of Patent: June 1, 1993Assignee: Daikin Industries, Ltd.Inventors: Haruhiko Mohri, Yoshiki Shimizu, Hideya Saito, Akira Chida
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Patent number: 5216079Abstract: Lubricant systems are provided in which a polyolefin or polyolefin/polytetrafluoroethylene blend functions as a lubricant in a polymer matrix material. The resulting polymer composites containing about 1 to 30 weight percent of the novel lubricant or lubricant blend have greatly improved friction and wear properties, including lower coefficients of friction and increased surface wear resistence. The polyolefin does not remain as discrete, identifiable particles after mixing with the polymer matrix, and has an average molecular weight of less than 500,000.Type: GrantFiled: February 23, 1990Date of Patent: June 1, 1993Assignee: Kawasaki LNP Inc.Inventors: Jane M. Crosby, John E. Theberge
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Patent number: 5206294Abstract: Thermoplastic polymer alloy compositions are provided consisting of a blend of polypropylene, ethylene copolymer ionomer resin, ethylene/glycidyl acrylate or methacrylate copolymer, and uncrosslinked ethylene propylene rubber. The compositions are particularly useful in applications where a wide range of temperature and abrasive conditions are encountered.Type: GrantFiled: November 6, 1991Date of Patent: April 27, 1993Assignee: E. I. du Pont de Nemours and CompanyInventor: Robert L. Dawson
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Patent number: 5200448Abstract: Water-in oil emulsions of water-soluble polymers, i.e. polyacrylamides, are stabilized against repeated freeze-thaw cycles by incorporating specific polymeric surfactants while maintaining the total amount of the primary surfactant at less than about 2 percent.Type: GrantFiled: March 27, 1992Date of Patent: April 6, 1993Assignee: Exxon Chemical Patents Inc.Inventors: Peter M. Robinson, Martin R. Jenkins
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Patent number: 5180784Abstract: An adhesive resin composition is disclosed, comprising:(A) from 2 to 98% by weight of an ethylene copolymer comprising from 50 to 90% by weight of ethylene, from 0 to 49% by weight of an .alpha.,.beta.-unsaturated carboxylic acid alkyl ester, and from 0.5 to 10% by weight of maleic anhydride, with the sum of these monomers being 100% by weight;(B) from 2 to 98% by weight of a crystalline polyethylene resin comprising either an ethylene homopolymer or a copolymer of ethylene and an .alpha.-olefin having 3 or more carbon atoms, with an ethylene content being 90% by weight or more; and(C) from 2 to 50% by weight of a non-crystalline or low crystalline olefin copolymer rubber comprising a copolymer of ethylene and an .alpha.-olefin having 3 or more carbon atoms, with the sum of the components (A), (B) and (C) being 100% by weight.Type: GrantFiled: April 16, 1992Date of Patent: January 19, 1993Assignee: Sumitomo Chemical Co., Ltd.Inventors: Tadayuki Ohmae, Yoshiki Toyoshima, Hisao Tanaka, Mitsuyuki Okada, Harunori Fujita
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Patent number: 5160484Abstract: A non-latex composition for saturating paper comprising a suitable hydrophobic sizing agent, ethylene acrylic acid co-polymer, and a softening agent. The ethylene acrylic acid copolymer is provided as bulk or solvent polymerized solid and rendered soluble in an aqueous alkali solution. The paper may be formulated to be repulpable. Methods for making the paper-saturating composition, methods for saturating paper, and the resulting paper are also disclosed.Type: GrantFiled: September 28, 1990Date of Patent: November 3, 1992Assignee: Cranston Print Works CompanyInventor: Koyu P. Nikoloff
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Patent number: 5151464Abstract: Miscible polyblends of acid-containing and anhydride-containing styrenic copolymers are described. In a preferred embodiment, the polyblend contains a styrene/maleic anhydride copolymer and a styrene/methacrylic acid copolymer.Type: GrantFiled: August 30, 1991Date of Patent: September 29, 1992Assignee: Arco Chemical Technology, L.P.Inventor: Lau S. Yang
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Patent number: 5137952Abstract: Free radical-curable compositions comprising a plastisol component and a copolymer containing free anhydride functionality and, optionally, other reactive diluents are provided. In particular, curable compositions employing a plastisol, preferably a polyvinyl chloride-containing plastisol, and a low molecular weight crosslinking copolymer component having free anhydride functionality and which is a partial esterification product of a terminally ethylenically unsaturated compound and a polymerizable maleic anhydride are provided. The compositions of the invention yield improved adhesives, sealants, coatings, and insulators for a wide variety of substrates and may be employed in a variety of coatings and castings. Processes for preparing cured plastisol compositions from the disclosed free radical-curable compositions are also provided.Type: GrantFiled: September 26, 1991Date of Patent: August 11, 1992Assignee: Sartomer Company, Inc.Inventors: Henry C. Miller, Michael A. Bailey, David L. Weaver
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Patent number: 5104925Abstract: A synthetic resin composition comprising 100 parts by weight of a synthetic resin, from 2 to 900 parts by weight of an inorganic filler, and from 0.02 to 20 parts by weight of a copolymer of a compound represented by formula (1) and maleic anhydride, maleic acid, a maleic acid salt or a maleic acid ester; ##STR1## wherein Z is a residue of a compound having from 2 to 8 hydroxyl groups; AO is an oxyalkylene group having from 2 to 18 carbon atoms; R.sup.1 is an unsaturated hydrocarbon group having from 2 to 5 carbon atoms; R.sup.2 is a hydrocarbon or acyl group having from 1 to 40 carbon; a is from 0 to 1,000, b is from 0 to 1,000, c is from 0 to 1,000, l is an integer of from 1 to 8, m is an integer of from 0 to 2, and n is an integer of from 0 to 7, l+m+n=2 to 8, al+bm+cn=1 to 1,000, and n/(l+n).ltoreq.1/3.Type: GrantFiled: September 13, 1989Date of Patent: April 14, 1992Assignee: Nippon Oil & Fats Co., Ltd.Inventors: Susumu Honda, Takahiko Sugihara, Taizo Igarashi, Keiji Hirao, Hisamichi Matsuda
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Patent number: 5102944Abstract: An aqueous primer composition for use in applying to polyolefin resin substrates which is excellent in adhesiveness to polyolefin resin substrates, water resistance and gasoline resistance and which is free from the problems of fire and environments pollution. The primer composition comprises a resin component (a) of 100 parts by weight of modified polyolefin which is prepared by modifying polyolefin with an .alpha., .beta.-unsaturated carboxylic acids and which contains 0.05 to 0.5 equivalent of free carboxylic acid groups per 100 g, with the other resin component (b) of 5 to 500 parts by weight of modified resin having both ethylenically unsaturated double bonds and free carboxylic acid groups, which modified resin is prepared by adding an .alpha., .beta.Type: GrantFiled: April 26, 1990Date of Patent: April 7, 1992Assignees: Nissan Motor Co., Ltd., Nippon Petrochemicals Co., Ltd.Inventors: Hiroyoshi Ohmika, Masahiko Yamanaka, Masashi Ohno
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Patent number: 5098943Abstract: A water repellent having the following components (A), (B), (C) and (D) emulsified in water:(A) a wax having a melting point of from 40.degree. to 90.degree. C.;(B) a styrene-maleic anydride copolymer;(C) a water-soluble alkaline compound; and(D) a polyvinyl alcohol having a saponification degree of at least 85 mol %.Type: GrantFiled: May 9, 1991Date of Patent: March 24, 1992Assignee: Mitsubishi Kasei CorporationInventors: Toru Tagawa, Takao Tadenuma, Yasoji Ozawa
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Patent number: 5082875Abstract: A sanitary rubber composition or article comprising a synthetic rubber prepared by solution polymerization and a fine powder of polyethylene having a molecular weight of 1.times.10.sup.6 to 1.times.10.sup.9 and having excellent chemical and physical properties is described.Type: GrantFiled: April 17, 1989Date of Patent: January 21, 1992Assignee: Kabushiki Kaisha Toritsu IndustryInventor: Masao Tajima
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Patent number: 5082892Abstract: A glass fiber-reinforced synthetic resin composition is proposed which is particularly suitable as a molding material of chassis of electric and electronic instruments to satisfy the various requirements in this particular application. The resin composition comprises: (A) 100 parts by weight of a copolymeric resin of styrene and maleic anhydride or a derivative thereof, of which the molar fraction of the moiety of maleic anhydride or a derivative thereof is in the range from 3 to 20%; (B) from 1 to 30 parts by weight of a styrene-based thermoplastic elastomer, of which the weight fraction of the moiety of styrene is in the range from 5 to 50%; (C) from 5 to 80 parts by weight of glass fibers, (D) from 5 to 30 parts by weight of a bromine-containing organic compound as a flame retardant; and (E) from 2 to 15 parts by weight of antimony trioxide.Type: GrantFiled: February 26, 1990Date of Patent: January 21, 1992Assignee: Idemitsu Petrochemical Company, Ltd.Inventors: Yoshiaki Miura, Masami Mihara, Hidezo Hosomi
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Patent number: 5053450Abstract: Compositions of acrylic rubber and another rubber which can be nitrile rubber, hydrogenated nitrile rubber, fluoroelastomer, silicone rubber, or fluorosilicone rubber are described, in which the acrylic rubber is at least partially crosslinked. The compositions are millable and processable and, by the addition of curatives for the nitrile rubber, hydrogenated nitrile rubber, fluoroelastomer, silicone rubber, or fluorosilicone rubber, can be further crosslinked to become vulcanizates which exhibit excellent resistance to the effects of hot air, hot oil, and ozone.Type: GrantFiled: October 16, 1989Date of Patent: October 1, 1991Assignee: Monsanto CompanyInventor: Aubert Y. Coran
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Patent number: 5011875Abstract: A corrosion resistant, water expandable composition comprising:(A) 100 parts by weight of at least one material selected from the group consisting of rubbers, thermoplastic resins and mixtures thereof;(B) 10-200 parts by weight of a water-absorbable material; and(C) 5-30 parts by weight of a corrosion inhibitor is disclosed.Type: GrantFiled: March 26, 1990Date of Patent: April 30, 1991Assignees: Hiroshima Kasei Ltd., Mitsubishi Jidosha Kogyo Kabushiki KaishaInventors: Yuji Yamamoto, Hideyuki Shigematsu, Hiroshi Tanaka, Ryo Ashikawa, Tatsuo Ishida
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Patent number: 5010119Abstract: An adhesive composition which contains a thermoplastic elastomeric polymer which includes ethylene propylene rubber, ethylene propylene diene monomer, polyisobutylene butyl rubber, ethylene vinyl acetate graft copolymers thereof with C.sub.3 to C.sub.10 unsaturated mono- and polycarboxylic acids, a tackifiying resin and a encapsulated maleated polymer di- or polyamine cross-linking agent having 2-10 carbon atoms, which is useful as a hot melt or pressure sensitive adhesive having enhanced higher temperature properties. Also claimed is the encapsulated polyamine itself. Preferably, the encapsulating material is maleated polypropylene.Type: GrantFiled: November 25, 1988Date of Patent: April 23, 1991Inventors: Kenneth O. McElrath, Jr., Martha H. Robertson, Wai Yan Chow
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Patent number: 5006593Abstract: Dispersions of polymer systems comprising two normally incompatible polymer networks, one of which is held together by physical interactions and the other by chemical cross-links, the networks being catenated, are useful for making coating compositions, films and molded articles.Type: GrantFiled: June 16, 1988Date of Patent: April 9, 1991Assignee: E. I. Du Pont de Nemours and CompanyInventors: Donald E. Brasure, Eugene G. Sommerfeld
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Patent number: 4990566Abstract: Polymer composition based on a mixture of 15 to 50% by weight of a propylene polymer and of 50 to 85% by weight of a flexible ethylene copolymer. The flexible ethylene copolymer is either a terpolymer (A) comprising from 83 to 92.7 mol % of ethylene, from 7 to 14 mole % of at least one alkyl (meth)acrylate, whose alkyl group has from 1 to 8 carbon atoms and from 0.3 to 3 mol % of at least one unsaturated dicarboxylic anhydride, or a mixture comprising, for 100 parts by weight, at least 70 parts by weight of the terpolymer (A) and at most 30 parts by weight of at least one copolymer (B) selected from ethylene copolymers comprising from 86 to 93 mol % of ethylene and from 7 to 14 mol % of at least one copolymerizable monomer selected from alkyl (meth)acrylates whose alkyl group has from 1 to 8 carbon atoms and ethylene copolymers comprising 92 to 98 mol % of ethylene and from 2 to 8 mol % of at least one C.sub.3 -C.sub.10 .alpha.-olefin, the said ethylen/.alpha.Type: GrantFiled: April 17, 1989Date of Patent: February 5, 1991Assignee: NorsolorInventor: Marius Hert
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Patent number: 4988548Abstract: A vulcanizable rubber composition comprising (1) 100 parts by weight of a polymer composition comprising(I) a vinylidene fluoride resin,(II) at least one rubber selected from the group consisting of acrylic rubbers, .alpha.,.beta.-unsaturated nitrile-conjugated diene copolymer rubbers and hydrides of .alpha.,.beta.-unsaturated nitrile-conjugated diene copolymer rubbers, said acrylic rubber consisting of (A) 30 to 99.9% by weight of an alkyl acrylate and/or an alkoxy-substituted alkyl acrylate, (B) 0.1 to 10% by weight of a crosslinkable monomer and (C) 0 to 70% by weight of another ethylenically unsaturated compound copolymerizable with (A) and (B) (the sum of (A), (B) and (C) is 100% by weight) and said .alpha.,.beta.-unsaturated nitrile-conjugated diene copolymer rubber consisting of (D) 10 to 60% by weight of an .alpha.,.beta.Type: GrantFiled: November 22, 1988Date of Patent: January 29, 1991Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Yasuhiko Takemura, Shinichiro Zen, Yoshiaki Zama, Hiroji Enyo
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Patent number: 4988759Abstract: A coating composition which cures at ambient temperatures and contains 20-80% by weight of a binder and 80-20% by weight of a solvent for the binder, wherein the binder contains about:A. an acrylic polymer A of polymerized monomers of methyl methacrylate and monomers of styrene, alkyl methacrylate and/or alkyl acrylate each having 2-12 carbon atoms in the alkyl group and said polymer having pending from the polymer backbone aminoester groups, hydroxy aminoester groups or hydroxyamine groups,B. an acrylic crosslinking polymer B of polymerized monomers of at least 3% by weight, based on the weight of the crosslinking polymer, of a glycidyl constituent of glycidyl methacrylate or acrylate and the remainder of the monomers are alkyl methacrylate an acrylate each having 1-12 carbon atoms in the alkyl group and optionally contains at least 3% by weight, based on the weight of the crosslinking polymer, of an alkyl methacrylate or acrylate having a pendent group of the formula ##STR1## C.Type: GrantFiled: September 26, 1989Date of Patent: January 29, 1991Assignee: E. I. Du Pont de Nemours and CompanyInventors: Herman C. Den Hartog, George T. Palmer, Ara G. Yeramyan
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Patent number: 4987177Abstract: A coating composition which cures at ambient temperatures and contains 20-80% by weight of a binder and 80-20% by weight of a solvent for the binder, wherein the binder contains about:A. 60-80% by weight, based on the weight of the binder, of an acrylic polymer A of polymerized monomers of methyl methacrylate and monomers of styrene, alkylmethacrylate and/or alkyl acrylate each having 2-12 carbon atoms in the alkyl group and said polymer having pending from the polymer backbone aminoester groups, hydroxy aminoester groups or hydroxyamine groups,B.Type: GrantFiled: July 18, 1989Date of Patent: January 22, 1991Assignee: E. I. du Pont de Nemours and CompanyInventors: Herman C. Den Hartog, George T. Palmer
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Patent number: 4978707Abstract: Disclosed is an aqueous dispersion comprising (i) a hydrophobic thermoplastic polymer, (ii) a water-insoluble thermoplastic polymer containing a carboxylic acid salt group bonded to the polymer chain at a concentration of 0.1 to 5 milliequivalents as --COO-- per gram of the polymer, (iii) water and, if necesssary, (iv) at least one member selected from the group consisting of anionic surface active agents, nonionic surface active agents, organic solvents and oils, said aqueous dispersion being apparently solid and having a water content of 0.5 to 3% by weight and an electric resistance lower than 10.sup.6 .OMEGA.-cm and also having such a property that when water is added to the dispersion, solids are uniformly dispersed as fine particles in the aqueous phase.Type: GrantFiled: February 17, 1987Date of Patent: December 18, 1990Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Mutsuhiro Tanaka, Shiro Honma
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Patent number: 4970258Abstract: When a hydrophobic thermoplastic resin such as an olefin resin and a water-insoluble or non-water-swelling polymer containing a carboxylic acid salt group are melt-kneaded in the presence of water, phase inversion of forming a dispersion comprising water as the dispersion medium phase and resin particles as the dispersed phase is caused even if the amount of water is very small. If an anionic surfactant, optionally together with a solvent or oil, is made present in the composition to be melt-kneaded, the size of dispersed particles can be greatly reduced in the formed aqueous dispersion even if a resin having a very high molecular weight or a high melt viscosity is used.Type: GrantFiled: August 10, 1988Date of Patent: November 13, 1990Assignee: Mitsui Petrochemical Industries, Inc.Inventors: Shiro Homma, Masatoshi Kashiwagi, Mitsuhiro Tanaka
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Patent number: 4968752Abstract: Proposed herein is an ionomer composition which comprises a reaction product of from 90 to 99.5% by weight of an ethylene copolymer-type ionomer (A) with from 0.5 to 10% by weight of an olefin copolymer (B) having epoxy groups in its side chains, and from 5 to 200 parts by weight, based on 100 parts by weight of said reaction product, of an olefin-type thermoplastic elastomer (C). The proposed ionomer composition is excellent in scratch resistance and flexibility and exhibits a reduced "luster reappearance".Type: GrantFiled: January 29, 1990Date of Patent: November 6, 1990Assignee: Du Pont-Mitsui Polychemicals Co., Ltd.Inventors: Manabu Kawamoto, Yasuhisa Hosoai, Eisaku Hirasawa
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Patent number: 4952623Abstract: Aqueous polymer dispersions which have a long shelf life are obtainable by dispersing a mixture of 15-50% by weight of a copolymer (A) of(I) 1.5-15% by weight of copolymerizable compounds of 3 to 10 carbon atoms which contain a carboxyl or carboxylic anhydride group,(II) 30-98.5% by weight of C.sub.1 -C.sub.20 -alkyl acrylates or methacrylates,(III) 0-60% by weight of vinylaromatics,(IV) 0-20% by weight of copolymerizable carbonyl compounds and(V) 0-20% by weight of further copolymerizable organic compounds not stated under (I) to (IV) and50-85% by weight of a copolymer (B) of40-100% by weight of the monomers (II) and0-60% by weight of the monomers (III) to (V),with the proviso that the copolymers (A) and (B) together contain, as components, up to 65% by weight of alkyl (meth)acrylates (II) whose homopolymers have glass transition temperatures of less than 0.degree. C.Type: GrantFiled: June 23, 1988Date of Patent: August 28, 1990Assignee: BASF AktiengesellschaftInventors: Gerhard Auchter, Thomas Schwerzel, Rainer Blum, Gerhard Neubert, Eckehardt Wistuba, Rolf Osterloh
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Patent number: 4937281Abstract: An automotive and refinish coating containing a curing catalyst which minimizes yellowing of a finish after exposure to weathering wherein the composition has a binder of an acrylic polymer of polymerized monomers of alkyl methacrylate, alkyl acrylate or mixtures thereof and the polymer has pendent aminoester or hydroxy aminoester groups and a glycidyl acrylic crosslinking polymer of polymerized monomers of glycidyl methacrylate or glycidyl acrylate and an alkyl methacrylate or acrylate or mixtures thereof; wherein the catalyst isthe alkyl ester of para hydroxy benzoic acid having 1-4 carbon atoms in the alkyl group.Type: GrantFiled: December 20, 1988Date of Patent: June 26, 1990Assignee: E. I. Du Pont De Nemours and CompanyInventor: Chaucer Chao-Ya Tang
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Patent number: 4933389Abstract: The present invention provides a thermoplastic elastomer composition excellent in oil resistance. This composition comprises a partially crosslinked mixture of (A) an ethylene copolymer rubber comprising ethylene and an acrylate ester or a methacrylate ester and (B) an olefin polymer and, if necessary, (C) an olefin copolymer rubber.Type: GrantFiled: January 31, 1989Date of Patent: June 12, 1990Assignee: Sumitomo Chemical Company, LimitedInventors: Tadashi Hikasa, Koichiro Ibuki, Tatsuo Hamanaka, Masahiro Fukuyama
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Patent number: 4931494Abstract: Aqueous polymer dispersions which have a long shelf life are obtainable by dispersing a mixture of from 15 to 70% by weight of a copolymer (A) of(I) from 1.5 to 15% by weight of copolymerizable compounds of 3 to 10 carbon atoms which contain a carboxyl or carboxylic anhydride group,(II) from 65 to 98.5% by weight of C.sub.1 -C.sub.20 -alkyl acrylates or methacrylates,(III) from 0 to 20% by weight of vinylaromatics,(IV) from 0 to 20% by weight of copolymerizable carbonyl compounds and(V) from 0 to 10% by weight of further copolymerizable organic compounds not stated under (I) to (IV), and from 30to 85% by weight of a copolymer (B) of from 60 to 100% by weight of the monomers (II) and from 0 to 40% by weight of the monomers (III) to (V), with the proviso that the copolymers (A) and (B) together contain, as components, more than 65% by weight of alkyl (meth)acrylates (II) whose homopolymers have glass transition temperatures of less than 0.degree. C.Type: GrantFiled: June 23, 1988Date of Patent: June 5, 1990Assignee: BASF AktiengesellschaftInventors: Gerhard Auchter, Thomas Schwerzel, Rolf Osterloh, Gerhard Neubert, Peter Pfoehler, Wolfgang Druschke, Helmut Jaeger
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Patent number: 4895768Abstract: An automotive and refinish coating containing a curing catalyst which minimizes yellowing of a finish after exposure to weathering wherein the composition has a binder of an acrylic polymer of polymerized monomers of alkyl methacrylate, alkyl acrylate or mixtures thereof and the polymer has pendent aminoester or hydroxy aminoester groups and a glycidyl acrylic crosslinking polymer of polymerized monomers of glycidyl methacrylate or glycidyl acrylate and an alkyl methacrylate or acrylate or mixtures thereof; wherein the catalyst is the alkyl ester of para hydroxy benzoic acid having 1-4 carbon atoms in the alkyl group.Type: GrantFiled: May 16, 1989Date of Patent: January 23, 1990Assignee: E. I. Du Pont de Nemours and CompanyInventor: Chaucer C. Tang
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Patent number: 4869796Abstract: An electrodeposition coating composition comprising (a) a water-dispersible, electrically depositable binder resin and (b) water-insoluble, internally crosslinked polymer microparticles having a particle size from 0.01 to 2 microns, said polymer microparticles bearing on their surfaces physically adhered or covalently bound thereto an amphoionic group of the formula: ##STR1## wherein R represents an unsubstituted or substituted C.sub.1 -C.sub.6 alkylene or phenylene, A is --COOH or --SO.sub.3 H.Type: GrantFiled: August 5, 1987Date of Patent: September 26, 1989Assignee: Nippon Paint Co., Ltd.Inventors: Kazunori Kanda, Hisaichi Muramoto, Koichi Saito, Shinichi Ishikura