Aryl Group Patents (Class 524/384)
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Patent number: 4935462Abstract: A mixture of benzyl alcohol and hydroxy benzene is disclosed, for use in the bonding together of polyamide articles. In embodiments, the mixture comprises 5 to 50% by weight of benzyl alcohol, 20 to 90% by weight of phenol and 5 to 30% by weight of polyamide. In other embodiments, the mixture comprises 20 to 60% by weight of benzyl alcohol, 20 to 60% by weight of ortho-dihydroxy benzene and 20 to 60% by weight of a lower alcohol having one to four carbon atoms. The mixture may be applied to a polyamide article, which may then be contacted with a second polyamide article and heated to effect bonding. In embodiments, the mixture may be applied in a pattern e.g. to polyamide in the form of film, so that a polyamide structure having a similar pattern of bonds may be obtained. For example, the composition may be used to bond film or sheet together so as to form fluid flow passages therebetween e.g. as in a heat exchanger.Type: GrantFiled: April 6, 1988Date of Patent: June 19, 1990Inventor: Anthony J. Cesarino
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Patent number: 4914142Abstract: A method of producing an emulsion polymer which comprises adding a polymerizable monomer to an emulsion polymer containing a high-molecular-weight compound having a weight average molecular weight of 20,000 to 2,000,000 as a seed polymer, the amount of the unsaturated monomer being 1.5 to 9.5 times the total volume of the solids in the emulsion polymer, and thereafter, polymerizing the monomer in the presence of a film-forming aid.Type: GrantFiled: May 19, 1988Date of Patent: April 3, 1990Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Kunihide Takarabe, Shinichi Kuwamura
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Patent number: 4912160Abstract: Stable, non-aqueous solvent solutions of acid-functional polymers are prepared by:(a) reacting, in the presence of an esterification catalyst, a hydroxy-functional acrylic polymer with a cyclic carboxylic anhydride at a reaction temperature from about 35.degree. C. to about 76.degree. C. thereby forming an acid-functional polymer having ester groups and carboxylic acid groups; and(b) maintaining the reaction of the anhydride and hydroxyl groups until the desired amount of acid functionality on the acid-functional polymer has been obtained; and then(c) adding to said acid-functional polymer a stabilizing amount of a low-molecular weight alcohol solvent under conditions which will not cause substantial reaction of the solvent and the acid-functional polymer.Type: GrantFiled: November 16, 1987Date of Patent: March 27, 1990Assignee: The Sherwin-Williams CompanyInventor: Mohamad D. Shalati
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Patent number: 4897307Abstract: The present invention relates to a process for the solvent-induced crystallization of amorphous poly(etheretherketone)-type polymer to produce an article, which process comprises:A. contacting a preformed article of a polymer comprising amorphous poly(etheretherketone)-type polymer with at least one organic compound in its liquid state which consists essentially of atoms of carbon and hydrogen, optionally with oxygen, nitrogen, sulfur, halogen or mixtures thereof having a molecular weight of between about 160 and 320 daltons at a temperature of between about 85.degree. C. and 145.degree. C. for a time effective to crystallize the poly(etheretherketone)-type polymer,B. removing the organic compound, andC. recovering the article comprising crystallized poly(etheretherketone)-type polymer. Poly(etheretherketone), poly(phenylenesulfide) or mixtures thereof are preferred polymer systems.Type: GrantFiled: August 11, 1987Date of Patent: January 30, 1990Assignee: The Dow Chemical CompanyInventors: Henry N. Beck, Robert M. Nowak
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Patent number: 4880850Abstract: Compounds having defined functional groups are described which color stabilize aromatic carbonate polymers or blends therewith upon exposure to sterilizing radiation.Type: GrantFiled: February 7, 1989Date of Patent: November 14, 1989Assignee: General Electric CompanyInventors: Linda H. Nelson, Roger W. Avakian, Arnold Factor
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Patent number: 4873279Abstract: A resinous composition comprising:(i) at least one copolyester-carbonate resin;(ii) at least one polyester resin; and(iii) a minor amount of a mixture of at least one polyol and at least one epoxide.Type: GrantFiled: December 22, 1986Date of Patent: October 10, 1989Assignee: General Electric CompanyInventor: Linda H. Nelson
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Patent number: 4873278Abstract: A radiation sterilized polysulfone resin composition exhibiting improved color stability comprising: (i) at least one polysulfone resin; and (ii) an amount effective to inhibit yellowing of said polysulfone resin upon its exposure to sterilizing radiation of at least one stabilizing compound selected from carboxylic acid esters, alcohols, epoxides, sulfones, diketones, thio compounds, alkenes, hydroaromatics, cyclic ethers, and mixtures thereof.Type: GrantFiled: November 14, 1986Date of Patent: October 10, 1989Assignee: General Electric CompanyInventor: Linda H. Nelson
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Patent number: 4839410Abstract: A flame-retardant rubber-modified styrene resin composition comprising, as essential components, (A) a rubber-modified styrene resin, (B) a halogenated bisphenol type polycarbonate oligomer, (C) a halogenated bisphenol type compound, and (D) a halogenated polyolefin compound. The resin composition contains these components (A), (B), (C), and (D) at specific proportions, and its contents of the components (B) and (C) must be at a specified ratio. The resin composition is not only flame-retardant but also possesses such excellent characteristics as a high degree of light resistance, heat resistance, impact resistance and fluidity when it is molded. It can be molded into articles of various shapes and has a wide variety of applications in business machines, electric appliances, and automobile parts.Type: GrantFiled: February 9, 1988Date of Patent: June 13, 1989Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Seiichi Atomori, Teruo Inagaki, Tateki Furuyama, Akira Kamiya
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Patent number: 4826617Abstract: Disclosed is a new partial capping synthesis wherein resinous mixtures containing controlled amounts of phenolic hydroxyl and/or mercapto functionality, and aliphatic hydroxyl functionality are synthesized. Such synthesis comprises providing one or more resins which in total contain aliphatic primary and/or secondary hydroxyl functionality and oxirane functionality. A single resin or blend of resins may provide the requisite functionality. The one or more resins then are reacted with a carboxyl-functional capping agent bearing phenolic hydroxyl functionality and/or mercapto functionality. This reaction is conducted under reaction conditions and for a time such that the carboxyl functionality of the capping agent selectively reacts with the oxirane functionality of the one or more resins to produce a resinous product containing aliphatic hydroxyl functionality and containing phenolic hydroxyl functionality and/or mercapto functionality.Type: GrantFiled: October 27, 1987Date of Patent: May 2, 1989Assignee: Ashland Oil, Inc.Inventor: Laurence G. Dammann
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Patent number: 4748218Abstract: It has been found that substituted hydroquinones function as a shortstop agent in the polymerization of vinyl monomers. The substituted hydroquinones have the formula: ##STR1## wherein ##STR2## wherein p is 1 or 2 and q is 0 or 1; provided that p+q=1 or 2. The groups R.sub.1, R.sub.2, R.sub.3, R.sub.4, Z and W are defined hereafter.The compounds 2,5-di-t-amylhydroquinone and 2,5-di-t-butylhydroquinone are particularly desirable as shortstop agents in the polymerization of vinyl chloride.Type: GrantFiled: April 29, 1985Date of Patent: May 31, 1988Assignee: The B. F. Goodrich CompanyInventor: Zaev Sharaby
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Patent number: 4732807Abstract: A molded article of a transparent ABS resin comprising 10 to 24% by weight of a diene type rubber having a weight average particle size of 150 m.mu. or less and not containing methyl methacrylate in the continuous resin phase is subjected to wet plating. The resulting plated resin article has an excellent adhesion of the plating layer and a good transparency.Type: GrantFiled: February 11, 1985Date of Patent: March 22, 1988Assignee: Denki Kagaku Kogyo K.K.Inventors: Tetsuro Maeda, Fukuaki Wada, Susumu Ohoka, Akihiro Okamoto
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Microbiocidal compositions comprising an aryl alkanol and a microbiocidal compound dissolved therein
Patent number: 4711914Abstract: Provided are microbiocidal solutions comprising an aryl alkanol solvent and a microbiocidal compound dissolved therein. The solutions are used to impart microbiocidal properties to polymer compositions.Type: GrantFiled: February 20, 1987Date of Patent: December 8, 1987Assignee: Morton Thiokol, Inc.Inventors: Nuno M. Rei, Ronald C. Wilson -
Patent number: 4618659Abstract: An ungelled polymeric reaction product having a number average molecular weight of up to about 3000 and having a polydispersity of within 1.2 to 2.5 is prepared by a process involving the vinyl addition polymerization of a vinyl monomer component. At least 30 percent by weight of the vinyl monomer component is an active hydrogen-containing vinyl monomer, and the polymerization is conducted in the presence of an active hydrogen-containing polymer having a number average molecular weight of less than 3000.Type: GrantFiled: December 5, 1984Date of Patent: October 21, 1986Assignee: PPG Industries, Inc.Inventors: Charles M. Kania, Rostyslaw Dowbenko
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Patent number: 4603158Abstract: A novel optically clear combination which is a composition of matter is disclosed. The disclosed composition is an EPDM vulcanizate of remarkable clarity, the formulation of which involves a synergistic combination of EPDM elastomer, fumed silica, coupling agent, antioxidant, at least one and preferably two curing coagents, and preferably an antistatic agent.Type: GrantFiled: September 28, 1984Date of Patent: July 29, 1986Assignee: Battelle Development CorporationInventors: Richard L. Markham, William J. Mueller
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Patent number: 4576985Abstract: A hot-melt adhesive which is particularly suitable for an adherend surface carrying silanol groups. The adhesive contains a compound capable of combining chemically with oxygen in the silanol groups to render the adherend surface hydrophobic.Type: GrantFiled: August 8, 1984Date of Patent: March 18, 1986Assignee: Alps Electric Co., Ltd.Inventor: Yasuichi Ono
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Patent number: 4533524Abstract: What are disclosed are plastisols comprising a finely divided vinyl chloride polymer and the usual fillers, additives, and plasticizers, to which plastisols is added, as an adhesion promoter, the condensation product formed between (1) a polyaminoamide, comprising polymerized fatty acids and an excess of a polyalkylene polyamine and (2) a carboxylic acid or an ester thereof, and methods for coating or adhering a substrate with such plastisols by applying said plastisols to the substrate and baking at temperatures of 90.degree. C. and up.Type: GrantFiled: December 30, 1982Date of Patent: August 6, 1985Assignee: Schering AG.Inventors: Christian Burba, Ulrich Goeke, Norbert Esper
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Patent number: 4514534Abstract: An improved polypropylene blend for biaxial orientation into thin films is made by combining low molecular weight polypropylene, a peroxide agent, a nucleating agent, and linear low density polyethylene in a pelletizing extruder.Type: GrantFiled: April 13, 1984Date of Patent: April 30, 1985Assignee: United States Steel CorporationInventor: Victor M. DiNardo
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Patent number: 4483956Abstract: An acrylic resin article comprising a methyl methacrylate polymer and dibenzylidene sorbitol or its derivative as essential ingredients; and a process for producing an acrylic resin article, which comprises putting a composition comprising a methyl methacrylate monomer or a mixture of a methyl methacrylate polymer and a methyl methacrylate monomer and dibenzylidene sorbitol or its derivative in a mold, and thereafter polymerizing the methyl methacrylate monomer in the composition.Type: GrantFiled: April 19, 1983Date of Patent: November 20, 1984Assignees: E. C. Chemical Ind. Co., Ltd., C. Itoh & Co., Ltd.Inventor: Hiroshi Uchiyama
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Patent number: 4440900Abstract: What are disclosed are a method for the bonding of metallic materials and for producing coatings on metallic materials with a polyvinyl chloride plastisol which has improved adhesion at baking temperatures of 90.degree. C. and up and which contains, as an adhesion-improving additive, a condensation product of a polymerized fatty acid, a polycarboxylic acid having three or more COOH groups, an optional dicarboxylic acid, and an excess based on the carboxyl groups of the acid components, of a polyalkylene polyamine, and plastisols suitable for such a process.Type: GrantFiled: May 23, 1983Date of Patent: April 3, 1984Assignee: Schering AGInventors: Christian Burba, Ulrich Goeke, Norbert Esper
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Patent number: 4431497Abstract: An olefinic polymer composition is provided which comprises an olefinic polymer selected from homopolymers and copolymers made from aliphatic, ethylenically unsaturated monomers containing from 2 to about 10 carbon atoms and from about 100 to about 10,000 ppm of a stabilizer selected from benzhydrol or benzhydrol derivative compound of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each independently selected from an aromatic group having from 6 to about 26 carbon atoms, and R.sub.3 is selected from hydrogen, an alkyl group having from 1 to about 20 carbon atoms, or an acyl group having from about 2 to 20 carbon atoms.Type: GrantFiled: October 30, 1981Date of Patent: February 14, 1984Assignee: Milliken Research CorporationInventor: John W. Rekers
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Patent number: 4419464Abstract: An erasable ink for use in a ball point pen, particularly in a pressurized cartridge, is a fluid comprising at least 10% w of polyvinyl acetate or a copolymer of ethylene and vinyl acetate, and at least 10% w trichloroethylene. The ink preferably also contains at least 5% w of a solvent boiling in the range of 180.degree.-250.degree. C., a plasticizer boiling above 270.degree. C., a colorant, and a tackifier.Type: GrantFiled: July 29, 1982Date of Patent: December 6, 1983Assignee: Paul C. FisherInventors: Raymond S. Williams, Paul C. Fisher
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Patent number: 4363885Abstract: A bumper having excellent rigidity, resistance to thermal deformation and to mechanical impact at a low temperature and superior lacquer-bonding property is made from a propylene polymer composition comprising:(A) 55 to 65% by weight of at least one crystalline ethylene-propylene block copolymer in which the content of the polymerized ethylene is in the range of from 5 to 10% by weight, in which the polypropylene component has a fraction thereof insoluble in boiling n-heptane, in an amount of 97% or more, in which a fraction thereof soluble in p-xylene at room temperature, has an intrinsic viscosity of from 3 to 4 determined in decahydronaphthalene at a temperature of 135.degree. C. and which has a melt flow index of from 2 to 10;(B) 30 to 35% by weight of at least one amorphous ethylene-propylene copolymer having an intrinsic viscosity of from 2.0 to 3.5 determined in decahydronaphthalene at a temperature of 135.degree. C., and a Mooney viscosity ML.sub.Type: GrantFiled: June 24, 1981Date of Patent: December 14, 1982Assignees: UBE Industries, Ltd., Toyota Jidosha Kigyo Kabushiki KaishaInventors: Osamu Fukui, Yoshiro Umemoto, Tsugumi Sanmiya, Yutaka Sano, Kazuyoshi Tanaka
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Patent number: 4358558Abstract: There is provided a paintable room temperature curable polyorganosiloxane composition which is comprised of a silanol-terminated polydiorganosiloxane, an aminoxy functional organosilicon compound, an inorganic filler and a monohydric unsaturated alcohol containing a carbon-to-carbon triple bond and a hydroxyl group bonded with a primary or secondary carbon atom.Type: GrantFiled: December 23, 1981Date of Patent: November 9, 1982Assignee: Toshiba Silicones Ltd.Inventor: Chiyuki Shimizu
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Patent number: 4346187Abstract: Trityl compounds wherein a triphenylmethyl group is attached to oxygen, divalent sulfur, trivalent nitrogen or a halogen are effective synergists for organic bromine flame retardants in polypropylene compositions.Type: GrantFiled: March 8, 1979Date of Patent: August 24, 1982Assignee: Borg-Warner Chemicals, Inc.Inventor: George M. Nichols
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Patent number: 4338228Abstract: A polyolefin composition comprising a modified polyolefin obtained by adding an unsaturated carboxylic acid or an anhydride thereof to a polyolefin or mixtures of said modified polyolefin and an unmodified polyolefin, an inorganic filler, one or more nucleating agents or a combination thereof with one or more heat deterioration inhibitors, said polyolefin composition evidencing reduced deterioration by heat or reduction of its mechanical strength during a molding operation.Type: GrantFiled: October 7, 1980Date of Patent: July 6, 1982Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Hiroshi Inoue, Masaaki Isoi, Makoto Yoda, Masato Komatsu
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Patent number: RE32459Abstract: An acrylamide polymer comprising acrylamide and a sufficient amount of cinnamic acid to substantially reduce the viscosity of the acrylamide polymer and solution.Type: GrantFiled: August 5, 1985Date of Patent: July 14, 1987Assignee: Akzo N.V.Inventor: Donald N. Van Eenam