Three-membered Chalcogen Ring Patents (Class 524/114)
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Patent number: 5204391Abstract: Provided are novel blocked polyisocyanurates to be suitably used as an adhesiveness providing agent, coating material, sealant and crosslinking agent for polymers containing active hydrogens. Also provided are polyvinyl chloride plastisol compositions comprising a polyvinyl chloride resin, the above blocked polyisocyanurate as an adhesiveness providing agent, plasticizer and a specific agent for accelerating dissociation of the blocked polyisocyanurate. These compositions have excellent properties such as high adhesiveness even cured at low temperatures and resistance to yellowing, and are suitably used particularly as sealants for car body.Type: GrantFiled: July 23, 1992Date of Patent: April 20, 1993Assignee: Sunstar Engineering, Inc.Inventors: Yoshihiro Nakata, Hirohide Tomoyasu
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Patent number: 5196467Abstract: Aqueous size compositions for glass fibers including melamine formaldehyde resins, phenoxy resins and epoxy coupling agents which are particularly suitable glass fiber reinforcements for thermoplastics. In particular, chopped glass fibers coated with the size are useful in reinforcing acetal composites.Type: GrantFiled: December 19, 1991Date of Patent: March 23, 1993Assignee: Owens-Corning Fiberglas CorporationInventor: David W. Garrett
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Patent number: 5187228Abstract: A monoglycidyl stabilized polycarbonate and polyamide blend comprising a polycarbonate, a polyamide, a polymeric compatabilizing agent and a monoglycidyl compatabilizing agent is provided wherein the monoglycidyl stabilizer effectively end caps the polyamide without cross linking polymer chains. The polymeric compatabilizing agent comprises a polyetherimide, a polyurethane, a linear segmented thermoplastic elastomer having an ester segment and a hard segment of semi-crystalline, partially aromatic polyamide based on diphenylmethane diisocyanate, hydroxyl containing phenoxypolymers, polyamide-polyarylate block copolymers, polyamide-polyester block copolymers, or blends thereof. The polycarbonate and polyamide blend may further comprise an impact modifying agent or an alloying agent.Type: GrantFiled: March 22, 1991Date of Patent: February 16, 1993Assignee: Dexter CorporationInventors: Peter J. Perron, Khemchand Nangrani, Ed Bourbonais
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Patent number: 5187212Abstract: This invention relates to flame retardant thermoplastic molding compositions, comprising:(a) a polyester resin derived from a cyclohexanedimethanol and a carbocyclic dicarboxylic acid or ester;(b) a tetra brominated bisphenol-A epoxy oligomer endcapped with epichlorohydrin flame retardant; and(c) a reinforcing agent.The compositions of the present invention have excellent thermal stability and other mechanical properties.Type: GrantFiled: July 8, 1991Date of Patent: February 16, 1993Assignee: General Electric CompanyInventor: Keith N. Gray
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Patent number: 5179144Abstract: A polyester resin composition obtained by blending 60 to 99 parts by weight of a thermoplastic polyester resin (component A), 1 to 40 parts by weight of a polyorganosiloxane graft copolymer (component B) of 0.08 to 0.6 .mu.m in average particle size obtained by graft-polymerizing one or more kinds of vinyl monomer onto a compound rubber having such a structure that 1 to 99 wt. % of a polyorganosiloxane rubber component and 99 to 1 wt. % of a polyalkyl (meth)acrylate rubber component, the total amount of both the rubber components being 100 wt. %, have been inseparably entangled with each other, the total amount of the components A and B being 100 parts by weight, and 0.01 to 10 parts by weight of an organic silane compound having an epoxy group (component C).Type: GrantFiled: November 26, 1991Date of Patent: January 12, 1993Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Naoki Yamamoto, Akira Nakata, Atsunori Koshirai, Akira Yanagase
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Patent number: 5177132Abstract: Disclosed is a polyalkylene terephthalate type flame retardant resin composition comprising:(A) 100 parts by weight of a polyalkylene terephthalate resin,(B) 30 to 250 parts by weight of a filler,(C) 5 to 50 parts by weight of an organic halogen compound having a glycidyl group, and(D) 5 to 50 parts by weight of sodium antimonate,wherein heat resistance is improved and change in molding stability is small even when it is exposed to high temperatures during molding.Type: GrantFiled: March 15, 1991Date of Patent: January 5, 1993Assignee: Mitsubishi Petrochemical Co., Ltd.Inventors: Hiroshi Takahashi, Seiko Nakano, Kiyoaki Okayama, Ichiro Ohkawachi
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Patent number: 5166237Abstract: A novel thermoplastic composition having improved paint adhesion strength comprising,A) from about 5 to 95 weight % of a6t least one polyphenylene ether.B) from about 95 to 5 weight % of at least one polyamide,C) paint adhesion improving amount of at least one paint adhesion improver selected from the class consisting of(1) homopolymers or copolymers of unsaturated nitrile compounds and(2) homopolymers or copolymers of alkyl (meth)acrylate, excluding an ethylene alkylacrylate copolymer having about 50 weight % or higher of ethylene,D) from about 0.01 to 30 parts by weight of at least one compatibilizer, based on 100 by weight of the total of the polyphenylene either and polyamide.Type: GrantFiled: February 20, 1990Date of Patent: November 24, 1992Assignee: Sumitomo Chemical Company, Ltd.Inventors: Hiroomi Abe, Taichi Nishio, Takashi Sanada, Noriyasu Kagawa
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Patent number: 5162412Abstract: This invention relates to thermoplastic molding compositions, particularly thermoplastic polyesters, having incorporated therein a fluorinated polyolefin to improve wear resistance. More particularly, disclosed are polyester compositions having improved wear resistant good properties comprising a polyester resin, most preferably a poly(butylene terephalate) resin; a fluorinated polyolefin compound and a hindered phenolic compound and an ester compound, the last two components serving as a migrator package that serves to push a disproportionate amount of the fluorinated polyolefin within the subsurface of the resulting composition to thereby augment the wear resistant effect of the fluorinated polyolefin.Type: GrantFiled: July 26, 1991Date of Patent: November 10, 1992Assignee: General Electric CompanyInventor: Ping Y. Liu
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Patent number: 5157064Abstract: The invention relates to a stabilized polyamide 4.6 composition, which includes copper in the form of a water insoluble copper salt and a halogen-substituted organic compound.Type: GrantFiled: March 27, 1990Date of Patent: October 20, 1992Assignee: Stamicarbon B.V.Inventor: Pieter Gijsman
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Patent number: 5155154Abstract: A polyvinyl chloride-free plastisol comprisesa) 5 to 50% by weight of a methyl methacrylate-homopolymer or coplymerb) 10 to 50% by weight of a plasticiser,c) 20 to 70% by weight of a fillerd) 2 to 30% by weight of a blocked poly isocyanate, ande) 0.2 to 5% by weight of a polyamine. The plastisol is particularly useful for sealing spot welded joints in, for example, motor vehicle manufacture.Type: GrantFiled: December 22, 1988Date of Patent: October 13, 1992Assignee: Dr. Alois Stankiewicz GmbHInventors: Karl-Heinz Krummel, Ernst Lohmar, Thomas Stankiewicz
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Patent number: 5149731Abstract: The polyarylene sulfide resin composition is improved in impact strength and rigidity and useful as engineering plastics. It is prepred by mixing 100 parts by weight of a resin component comprising(A) 99 to 20 parts by weight of a polyarylene sulfide resin and(B) 1 to 80 parts by weight of a polyamide resin with(C) 0.5 to 50 parts by weight of an olefin copolymer comprising an .alpha.-olefin and a glycidyl ester of an .alpha., .beta.-unsaturated acid,(D) 0.01 to 5 parts by weight of an alkoxysilane compound and(E) 0 to 400 parts by weight of one or more fillers selected from among fibrous, powdery and flaky ones.Type: GrantFiled: April 9, 1991Date of Patent: September 22, 1992Assignee: Polyplastics Co., Ltd.Inventors: Katsumi Uota, Hiroyuki Sano, Hajime Serizawa, Masaru Kubota
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Patent number: 5141976Abstract: This invention relates to mixtures of polyarylene sulphides, nitroarylmethylidene ketones, glass fibers and optionally other fillers. The mixtures are distinguished by good mechanical properties.Type: GrantFiled: August 5, 1991Date of Patent: August 25, 1992Assignee: Bayer AktiengesellschaftInventors: Burkhard Kohler, Wolfgang Russeler, Joachim Doring, Hans-Detlef Heinz
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Patent number: 5141977Abstract: Aqueous polymer composition for application to synthetic polymeric materials to improve wettability of same by polymer matrices and bond strength therebetween, which includes a polymer containing vinyl groups, in at least one and preferably two fluorocarbon surfactants and water. The composition also optionally, and preferably includes a copolymerizable surfactant and ethoxy silicone. Synthetic polymeric materials treated with the aqueous polymer composition are disclosed primarily as reinforcing materials in structural composites, either alone or in conjuction with other reinforcing materials. Composites utilizing the pretreated reinforcing materials are also included.Type: GrantFiled: May 2, 1989Date of Patent: August 25, 1992Assignee: ABCO Industries, Ltd.Inventors: James M. Self, Paul C. Fleischer
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Patent number: 5135976Abstract: A melt stabilized copolymer composition comprising a major amount of an alternating copolymer of carbon monoxide with one or more olefinically unsaturated compounds and a minor amount of at least one stabilizing additive which stabilizing additive is a glycidyl ether which comprises per molecule at least one epoxy group and at least one functional group selected from primary alcoholic hydroxy groups and ketonic carbonyl groups. A process for producing the composition and the melt stabilizing agents are also disclosed.Type: GrantFiled: August 5, 1991Date of Patent: August 4, 1992Assignee: Shell Oil CompanyInventors: Arend Kuindert Van Helden, Wilhelmus J. Klaver, Abraham A. Smaardijk
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Patent number: 5128397Abstract: Hot melt adhesive compositions stabilized against thermal degradation, discoloration, skin formation and substantial viscosity changes, said adhesives being based on ethylene-vinyl acetate copolymer and a hydrocarbon tackifying resin and containing a stabilizer system of a hindered phenol antioxidant, a phosphite costabilizer and an acid scavenger.Type: GrantFiled: May 9, 1991Date of Patent: July 7, 1992Assignee: Ciba-Geigy CorporationInventors: Douglas W. Horsey, Ambelal R. Patel
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Patent number: 5124382Abstract: The invention relates to blends of polyarylene sulfides, epoxides, anhydrides, glass fibers and optionally other fillers. The blends are distinguished by good mechanical properties.Type: GrantFiled: March 4, 1991Date of Patent: June 23, 1992Assignee: Bayer AktiengesellschaftInventors: Burkhard Kohler, Wolfgang Wehnert, Walter Uerdingen, Joachim Franke
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Patent number: 5124381Abstract: Coating compositions for making films having reduced surface resistivity are described herein. These compositions are clear and produce films that are clear and transparent enough to read newsprint through the films. The compositions include colloidal silica, a choline based antistat, and a film-forming binder which is a (meth)acrylic polymer having a quaternary ammonium salt moiety in the polymeric molecule.Type: GrantFiled: November 8, 1990Date of Patent: June 23, 1992Assignee: Armstrong World Industries, Inc.Inventor: Harry D. Ward
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Patent number: 5124384Abstract: In a sealant composition comprising a polymer latex, filler, plasticizer, silane adhesion promoter, and fumed silica, the improvement which comprises as the plasticizer a C.sub.1 -C.sub.8 alkyl aryl phthalate, an N-(C.sub.1 -C.sub.8)alkyl arylsulfonamide, or mixtures thereof.Type: GrantFiled: November 16, 1990Date of Patent: June 23, 1992Assignee: Air Products and Chemicals, Inc.Inventor: Joel E. Goldstein
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Patent number: 5109057Abstract: Primer composition comprising a silane coupling agent, an alkoxysilylated NCO-containing urethane prepolymer which is prepared by reacting a polyisocyanate with a diol to give an NCO-containing urethane prepolymer, and reacting the resulting NCO-containing urethane prepolymer with a trialkoxysilane having a functional group active to NCO group wherein a part of whole of the remaining NCO groups of the high molecular weight polyisocyanate are reacted with the silane. Said primer composition has excellent plasticizer resistance, solvent resistance and film-forming properties and further improved adhesin properties to glass, metals, ceramics, and is useful as a primer for various adhesives, particularly for applying to glass, metals, and ceramics.Type: GrantFiled: July 10, 1990Date of Patent: April 28, 1992Assignee: Sunstar Giken Kabushiki KaishaInventors: Shingo Tsuno, Masahiro Ito
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Patent number: 5102930Abstract: A novel silicone-based fabric finishing agent is proposed which is particularly suitable for finishing a fabric material containing keratinous fibers, e.g., wool, for imparting the fabric material with excellent shrink-proofness and soft and pleasant feeling of touch even after repeated laundering treatments. The fabric finishing agent is an aqueous emulsion of a hydroxy-containing organopolysiloxane with admixture of a mixture of colloidal silica and a reaction product of an amino-functional alkoxy silane or a hydrolysis product thereof with an acid anhydride, an epoxy-functional alkoxy silane compound and a curing catalyst.Type: GrantFiled: July 18, 1989Date of Patent: April 7, 1992Assignee: Shin-Etsu Chemical Company, LimitedInventors: Morizo Nakazato, Toshio Ohba, Masaki Tanaka, Hideki Hagiwara
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Patent number: 5100955Abstract: The invention relates to a composition based on an aqueous dispersion of an addition polymer of one or more olefinically unsaturated monomers, emulsion stabilizers and/or emulsifiers and a silicon compound.The addition polymer comprises monomer units containing acid groups and the silicon compound used is an epoxysilane with the formula ##STR1## where R=epoxyalkyl (C.sub.1 -C.sub.4),R.sup.1 =alkyl (C.sub.1 -C.sub.4) or phenyl,R.sup.2 =alkoxy (C.sub.1 -C.sub.4), alkyl (C.sub.1 -C.sub.4) or phenyl,R.sup.3 and R.sup.4 =alkoxy (C.sub.1 -C.sub.4) or OHThe compositon can be applied in adhesives and coatings.Type: GrantFiled: February 15, 1991Date of Patent: March 31, 1992Assignee: DSM Resins B.V.Inventors: Dick A. Pons, Johannes B. Van Hout, Waltherus J. Sep
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Patent number: 5086101Abstract: An aqueous glass size composition comprising a water dispersible phenoxy resin modified with an acid, cyanurate or isocyanurate, and an organosilane coupling agent is disclosed. The glass fibers coated with the aqueous size composition are useful for incorporation into molding compositions for strength improvement.Type: GrantFiled: July 13, 1990Date of Patent: February 4, 1992Assignee: Owens-Corning Fiberglas CorporationInventors: David W. Garrett, Robert A. Schweizer
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Patent number: 5084500Abstract: A vinylidene chloride resin comprising (A) 90 to 99% by weight of vinylidene chloride and 1 to 10% by weight of an acrylic or methacrylic monomer is mixed with (B) 0.5 to 5% by weight, based on the resin, of a low-molecular-weight or high-molecular-weight plasticizer and (C) 0.2 to 5% by weight, based on the resin, of a condensed phosphoric acid salt. Even if this resin composition is exposed to high temperatures, thermal decomposition of the vinyl chloride resin is prominently controlled. When this vinylidene chloride resin composition is laminated with a thermoplastic resin having a thermoforming temperature higher than the thermoforming temperature of the vinylidene chloride resin, a packaging resin laminate having an excellent gas-barrier property is obtained.Type: GrantFiled: May 5, 1988Date of Patent: January 28, 1992Assignee: Toyo Seikan Kaisha Ltd.Inventors: Muneki Yamada, Fumio Kano
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Patent number: 5082883Abstract: Polyblends are provided which display low melt viscosities. The polyblends comprise a polyester having a T.sub.g in the range of about 50.degree. to about 100.degree. C. and an epoxy polymer which is either an epoxy resin or an esterified epoxy resin.Type: GrantFiled: March 12, 1990Date of Patent: January 21, 1992Assignee: Eastman Kodak CompanyInventors: Peter S. Alexandrovich, John E. Derimiggio, John C. Wilson
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Patent number: 5071893Abstract: A halogen-containing thermoplastic resin composition comprising a halogen-containing thermoplastic resin (A), a metallic soap (B) and an ash- and alkali metal-lean ethylene-vinyl acetate copolymer hydrolysate (C) having an ethylene content of 20 to 75 mole percent, a degree of saponification not less than 50 mole percent, an ash content not exceeding 300 ppm and an alkali metal content not exceeding 200 ppm, the proportions of (B) and (C) based on 100 parts of weight by (A) being 0.1 to 5 parts by weight and 0.1 to 5 parts by weight, respectively. The composition may further include, in addition to (A), (B), and (C) mentioned above, at least one compound (D) selected from the group consisting of .beta.-diketone compounds, organic phosphorous esters and aminocarboxylic acid compounds, the proportion of (D) based on 100 parts by weight of (A) being 0.Type: GrantFiled: May 2, 1991Date of Patent: December 10, 1991Assignee: Nippon Gohsei Kagaku Kogyo Kabushiki KaishaInventors: Hiroshi Takida, Takamasa Moriyama, Yoshimi Akamatu, Makoto Kunieda
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Patent number: 5070128Abstract: Heat-stabilized, non-yellowing chlorinated polymers having extended working ranges, notably PVC polymers and copolymers, contain effective stabilizing amounts of (a) at least one organozinc compound, (b) at least one organic calcium, barium, magnesium or strontium compound, and (c) at least one sodium .beta.-diketonate.Type: GrantFiled: April 4, 1990Date of Patent: December 3, 1991Assignee: Rhone-Poulenc ChimieInventor: Michel Gay
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Patent number: 5064884Abstract: The invention relates to blends of polyarylene sulfides, epoxides, glass fibers, optionally anhydride-containing polymers and optionally other additives. They are distinguished by good mechanical properties.Type: GrantFiled: March 4, 1991Date of Patent: November 12, 1991Inventors: Burkhard Kohler, Walter Uerdingen, Wolfgang Wehnert, Manfred Schmidt, Walter Schafer, Klaus Reinking
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Patent number: 5057565Abstract: This invention relates to a solid polyelectrolyte polymer film which comprises a polymer, a plasticizer for the polymer, an epoxidized vegetable oil, and an electrolyte.Type: GrantFiled: December 22, 1988Date of Patent: October 15, 1991Assignee: The Dow Chemical CompanyInventors: Stephen A. Noding, Sanford A. Siegel
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Patent number: 5053444Abstract: A polymer concentrate contains 15-80% by weight of a liquid, pasty or waxy additive, 5-50% by weight of a particulate solid and at least 5% by weight of a polymer. The particulate solid is finely divided and typically has a particle size in the micrometer range. The concentrate is prepared by adding the additive to the particulate solid while mixing using a solids mixing device, adding the polymer while continuing to mix, preferably at the same speed, subjecting the mixture to an elevated temperature to melt the polymer, cooling and grinding the cooled mixture.Type: GrantFiled: June 5, 1989Date of Patent: October 1, 1991Assignee: Imperial Chemical Industries PLCInventor: Jean-Paul Trotoir
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Patent number: 5051460Abstract: A stabilized melt processable composition containing a halopolymer (e.g., an ethylene chlorotrifluoroethylene copolymer) and an effective stabilizing amount of an ester of a (4-hydroxy-5-alkylphenyl) alkanoic acid and at least one phosphite. Such compositions may be melt processed and extruded at high temperatures (e.g., up to 305.degree. C.) and retain their stability. These compositions are especially desirable in wire and cable coating applications.Type: GrantFiled: September 18, 1989Date of Patent: September 24, 1991Assignee: Ausimont, U.S.A., Inc.Inventors: Sheldon J. Kirsch, Chii-Shu Chen
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Patent number: 5034440Abstract: An electric wire comprising a conductive wire in which the surface thereof is covered with a covering material having improved long-term thermal stability and comprising a polymer comprised of an aromatic polyester as a main skeleton and a compound represented by the following general formula (A) incorporated therein in an amount of 0.1 to 20 parts by weight based on 100 parts by weight of said polymer: ##STR1## wherein X is a halogen, Y.sub.1 and Y.sub.2 which may be the same or different are each a functional group containing an epoxy group, Z is a divalent organic group and n is an integer of 1 or more.Type: GrantFiled: December 27, 1988Date of Patent: July 23, 1991Assignee: Polyplastics Co., Ltd.Inventors: Toshio Nakane, Yukihiko Kageyama, Hiroaki Konuma, Kenji Hijikata
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Patent number: 5034439Abstract: Flame-resistant polyester moulding compounds comprising(A) 70-95% by weight of a specific polyester mixture made up of polyethylene terephthalate, polybutylene terephthalate copolyester with 3-30 mol % of an aliphatic dicarboxylic acid containing up to 36 C atoms, and, if desired, polybutylene terephthalate, and(B) 30-5% by weight of a flame-retardant additive made up of a bromine-containing organic compound and an antimony compound selected from the group comprising Sb.sub.2 O.sub.5, NaSbO.sub.3 and Sb.sub.2 O.sub.3, with a mean particle size of not less than 2 .mu.m,are particularly suitable for the production of partially crystalline mouldings by means of injection moulding. The mouldings are distinguished by a light self-colour with comparatively good thermal, mechanical and electrical properties.Type: GrantFiled: December 21, 1989Date of Patent: July 23, 1991Assignee: Ciba-Geigy CorporationInventors: Franz Breitenfellner, Thomas Kainmuller
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Patent number: 5030673Abstract: A plastisol composition comprising a vinyl chloride polymer, a plasticizer and an adhesion-imparting agent, characterized in that the adhesion-imparting agent is a diisocyanate polymer blocked with an oxybenzoic acid ester or with an alkylphenol and having an average molecular weight within a range of from 1,000 to 10,000.Type: GrantFiled: November 7, 1988Date of Patent: July 9, 1991Assignees: Mitsubishi Kasei Vinyl Company, Mitsubishi Kasei CorporationInventors: Satoru Sugino, Yoshimichi Kobayashi
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Patent number: 5026751Abstract: A cycloaliphatic epoxy compound in combination with a 2-hydroxy-substituted benzophenone compound and a polyalkyl-substituted dipiperidine compound provides a UV stabilizer that exhibits synergistic behavior. The compounds can be formulated into a composition that is coated on, or impregnated into, the surface of a plastic article or, alternatively, they can be incorporated into a thermoplastic composition which can be thereafter molded into a shaped article. The stabilizer combination succeeds in upgrading the resistance of polyphenylene ether resins and blends against the photo-deteriorative effects of sunlight and bright indoor light, for example, fluorescent lighting.Type: GrantFiled: June 20, 1989Date of Patent: June 25, 1991Assignee: General Electric CompanyInventor: Richard C. Bopp
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Patent number: 5023284Abstract: This invention is directed to a stabilizer useful to retard transesterification in moldable polymer blends containing polyester(s) during processing of the blends at elevated temperatures, particularly at high temperatures above about 285.degree. C. More particularly, the stabilizer comprises a phosphate-epoxy adduct. The stabilizer may optionally further comprise a reactive functionality component comprising a compound having a imide or oxazoline functionality and/or a hindered phenol component. The invention is also directed to a composition comprising the stabilizer and a particularly defined polymer blend.Type: GrantFiled: August 9, 1989Date of Patent: June 11, 1991Assignee: Ford Motor CompanyInventors: Mo-Fung Cheung, Amos Golovoy, Henk van Oene
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Patent number: 5021484Abstract: A resin which may be cured to form a polymeric resin which is diffcultly inflammable and resistant to high temperatures, said resin being a mixture of(a) a resin component comprising at least one thermically curable 1-oxa-3-aza tetraline group containing compound and optionally a curable epoxy compound; and of(b) a second component comprising at least one flame retardant selected from the group consisting of: aluminum hydroxide; hydrated calcium magnesium carbonate; magnesium hydroxide; element red phosphorus, oxygen acids of phosphorus; inorganic salts of oxygen acids of phosphorus; organic salts of oxygen acids of phsophorus; polyphosphates; boric acid; salts of boric acid.Type: GrantFiled: July 7, 1989Date of Patent: June 4, 1991Assignee: Gurit-Essex AGInventors: Herbert Schreiber, Wolfgang Saur
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Patent number: 5010123Abstract: Stabilizers for chlorine-containing olefin polymers containing Ca complexes of 1,3-diketones, hydrocarbon waxes and esters and/or partial esters of saturated, straight-chain C.sub.12 -C.sub.34 monocarboxylic acids, in conjunction with zinc salts of saturated, straight-chain C.sub.8 -C.sub.22 monocarboxylic acids and esters of phosphorous acid, provide the polymers with excellent properties in regard to processibility and temperature stability.Type: GrantFiled: April 4, 1989Date of Patent: April 23, 1991Assignee: Neynaber Chemie GmbHInventors: Kurt Worschech, Peter Wedl, Erwin Fleischer, Frido Loeffelholz, Manfred Jaeckel
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Patent number: 5002990Abstract: Quickly crystallizing polyester compositions containing as nucleating agent a compound having the formula: ##STR1## wherein: Me is an alkali metal or alkaline-earth metal;X is a group selected from --CH.sub.2 --, --CO--, --CH.sub.2 --CO--, and --CH(CH.sub.3)--CO);p is 0 or 1;Ar is a single or condensed aromatic ring, or Ar represents 2 or more aromatic nuclei linked either by a simple bond or by an --O--, --S--, --SO.sub.2 --, --SO--, --CO--, --CS--, or --NH-- group;R, R.sub.1, R.sub.2 may be, independently of each other, H, a linear or branched C.sub.1 -C.sub.6 alkyl radical, optionally substituted with halogen atoms or C.sub.1 -C.sub.6 alkoxy groups;Y is H or --CH.sub.3 ;m is 1 when Y is --CH.sub.3, or a number from 1 to 5 when Y.dbd.H;n is a number from 1 to 500; andZ is --H, a C.sub.1 -C.sub.18 alkyl, benzyl, allyl, glycidyl, acetyl, --CO--NH--R.sub.3 or --CO--NH--R.sub.4 --NCO group.Type: GrantFiled: February 27, 1989Date of Patent: March 26, 1991Assignee: Montefibre S.p.A.Inventors: Catia Bastioli, Vittorio Bellotti, Nello Gazzarata
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Patent number: 4992496Abstract: It was unexpectedly found that a brominated phosphate ester, tris(2,4-dibromophenyl)phosphate when employed in flame retardant quantities in a modified polyphenylene oxide resin resulted in discoloration of the resin on aging. Neither phosphate esters, flame retardants nor brominated flame retardants when employed separately as flame retardants caused similar discoloration. The use of epoxy compounds counteracted this color stability problem.Type: GrantFiled: September 3, 1987Date of Patent: February 12, 1991Assignee: FMC CorporationInventor: Joseph Green
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Patent number: 4983656Abstract: An aqueous pressure-sensitive adhesive consisting essentially of (1) 100 parts by weight (in terms of solids content) of an aqueous copolymer emulsion obtained by emulsion-polymerizing a monomer mixture consisting of 70-99.9% by weight of at least one alkyl (meth)acrylate in which the alkyl group has 4-12 carbon atoms, 0.1-10% by weight of an .alpha.,.beta.-unsaturated carboxylic acid and 0-29.9% by weight of a monomer copolymerizable therewith, (2) 0.1-10 parts by weight of a phosphoric acid ester compound, and (3) a polyglycidyl compound in such an amount that the proportion of the epoxy group in the polyglycidly compound is 0.1-3 equivalents per equivalent of the carboxyl group in the aqueous copolymer. This aqueous pressure-sensitive adhesive has excellent balance in adhesion to adherend, peelability from adherend and anchoring to substrate; and the peelability from adherend is not varied depending upon the type of adherend and does not change with time or by heating.Type: GrantFiled: March 10, 1989Date of Patent: January 8, 1991Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Toshiyuki Ito, Yorinobu Ikeda, Yasuhisa Watanabe, Hiroshi Tadenuma
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Patent number: 4961967Abstract: There is disclosed a primer composition for improving the adhesion between a solid sustrate and a thermosetting or thermoplastic polymer. The composition comprises (A) an epoxy or mercapto functional organosilicon compound, (B) an alkoxymethyltriazine and (C) a difunctional aromatic compound in which the functionality is independently selected from hydroxyl, amino or carboxyl groups. The compositions of the present invention provide substantially improved wet and dry adhesion of polymers to metallic, mineral or plastic substrates.Type: GrantFiled: August 8, 1988Date of Patent: October 9, 1990Assignee: Dow Corning CorporationInventor: Edwin P. Pluddemann
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Patent number: 4957955Abstract: Plastisols of 80 to 5% by weight plasticizer and 20 to 95% by weight particulate polymer containing(a) from 5 to 60% by weight acrylonitrile, methacrylonitrile or mixture thereof(b) from 15 to 95% by weight styrene, .alpha.-methyl styrene or mixture thereof(c) from 0 to 10% by weight of a carboxylic acid copolymerizable with the monomers (a) and (b),(d) from 0 to 30% by weight and, in the absence of component (c), from 10 to 30% by weight of an alkylester of acrylic acid, methacrylic acid or mixtures thereofoptionally a diluent and other constituents, the percentages by weight of plasticizer and polymer being based on the sum of plasticizer and polymer and a process for making such plastisols.Type: GrantFiled: December 12, 1988Date of Patent: September 18, 1990Assignee: Bayer AktiengesellschaftInventors: Wolfgang Saur, Herbert Schreiber, Gunter Hilken, Rolf Peter
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Patent number: 4894401Abstract: A composition sufficiently irradiated to achieve sterilization comprising:(i) at least one aromatic carbonate resin; and(ii) an antiyellowing upon exposure to sterilizing irradiation effective amount of at least one effective epoxide compound.Type: GrantFiled: December 22, 1986Date of Patent: January 16, 1990Assignee: General Electric CompanyInventor: Linda H. Nelson
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Patent number: 4888377Abstract: A composition for receiving and permanently recording impressions including a plastisol, finely ground non-absorbing particulate matter and a small quantity of salt. The particulate matter is limestone and sand.Type: GrantFiled: November 17, 1986Date of Patent: December 19, 1989Inventor: Judith D. Strader
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Patent number: 4886848Abstract: This invention discloses a flame retardant thermoplastic polyurethane resin composition containing a halogen flame retardant and a flame-retardant, water-resistant thin insulated wire prepared by applying the flame retardant thermoplastic polyurethane resin composition to a conductor to form an insulating layer having a thickness of 0.3 mm or less. The flame retardant thermoplastic polyurethane resin composition is prepared such that 0.2 to 20 parts by weight of a cycloparaffinic compound having an epoxy group is added to 100 parts by weight of a thermoplastic polyurethane resin alone or contained as a major constituent in a thermoplastic resin.Type: GrantFiled: November 27, 1987Date of Patent: December 12, 1989Assignee: The Furukawa Electric Co., Ltd.Inventors: Hidemi Nishiyama, Kenichi Ohtani
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Patent number: 4879329Abstract: An impact resistant flame-retardand resin composition comprising:100 parts by weight of a polymer mixture comprising a polycarbonate resin (A), a rubber-reinforced vinyl copolymer (B) and, optionally, a vinyl polymer (C);from 3 to 50 parts by weight of a high molecular weight halogenated compound of the following formula I having a halogen content of at least 10% by weight: ##STR1## wherein n is an average polymerization degree of from 35 to 100, each X independently represents hydrogen, chlorine or bromine, each of i, j, k and l is an integer of from 1 to 4, and each of R and R' independently is hydrogen, a methyl group, an epoxypropyl group, a phenyl group or ##STR2## wherein m is 0, 1, 2 or 3; and from 2 to 30 parts by weight of an antimony compound.Type: GrantFiled: October 18, 1988Date of Patent: November 7, 1989Assignee: Mitsubishi Rayon Company Ltd.Inventors: Masafumi Hongo, Mitsuaki Noda
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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: 4861815Abstract: Thermoplastic, easily flowing hydrophobic polyamides obtained by incorporation of from 2 to 15% by weight, based on polyamide, of at least one monoepoxide compound corresponding to the following general formula ##STR1## in which R is a hydrocarbon radical containing at least 4 carbon atoms.Type: GrantFiled: February 25, 1986Date of Patent: August 29, 1989Assignee: Bayer AkteingesellschaftInventors: Klaus-Dieter Schultz, Rolf-Volker Meyer, Friedrich Fahnler, Rolf Dhein, Dietrich Michael
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Patent number: 4849564Abstract: The finely divided cured silicone rubber particles of the present invention contain at least epoxide compound or a condensation product thereof. The epoxide compound or a condensation product thereof can be present in the free state or chemically bonded to the silicone rubber, and the particles have a particle diameter of 1 mm or less. The particles exhibit excellent compatibility with a variety of materials, including various organic resins and synthetic rubbers, and when added to or admixed with these materials enhance the physical properties of these materials and are durably bonded within matrices of these materials.Type: GrantFiled: August 25, 1988Date of Patent: July 18, 1989Assignee: Toray Silicone Co., Ltd.Inventors: Koji Shimizu, Mitsuo Hamada, Katsuyoshi Nakasuji
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Patent number: 4847312Abstract: A polycarbonate molding composition comprising an aromatic polycarbonate resin and a compound conforming to ##STR1## wherein n, x and y independently are 0 or 1 and R is a C.sub.1 -C.sub.20 hydrocarbon radical was found to have advantageous hydrolytic stability.Type: GrantFiled: August 2, 1988Date of Patent: July 11, 1989Assignee: Mobay CorporationInventors: Charles E. Lundy, Sivaram Krishnan