With Ethylenically Unsaturated Reactant; Or Reactant Contains A Heterocyclic Ring Other Than Solely As A Lactam Or Cyclic Anhydride Of A Polycarboxylic Acid Patents (Class 525/181)
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Patent number: 4968749Abstract: A resin composition comprising (a) a polyphenylene ether resin, (b) a non-crystalline or low-crystalline polyamide resin, (c) a crystalline polyamide resin and, if desired, (d) a polar compound or a low-molecular diene polymer or the component (d) and (e) a rubbery polymer or an alkenyl aromatic compound/conjugated diene copolymer or a hydrogeneration product thereof. The composition is excellent in both impact strength, particularly on a plane part of a plate-molded article, and dimensional stability.Type: GrantFiled: March 29, 1989Date of Patent: November 6, 1990Assignee: Mitsubishi Petrochemical Company, Ltd.Inventors: Nobuhiro Shibuya, Kiyoji Takagi, Satoru Hattori, Tatsuo Kobayashi, Hironari Sano
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Patent number: 4957980Abstract: A polyester resin composition having excellent gas barrier properties and transparency which comprises 100 parts by weight of a thermoplastic polyester resin (A), 1 to 100 parts by weight of a polyamide resin having metaxylylene group (B) and 0.01 to 50 parts by weight of a compatibilizing agent (C); and a polyester hollow molded article in the form of a single or multi-layered hollow molded article, wherein at least one of the layers is made of the above polyester resin composition.Type: GrantFiled: August 8, 1988Date of Patent: September 18, 1990Assignee: Toyo Boseki Kabushiki KaishaInventors: Shigeo Kobayashi, Toshio Hiramatsu, Katsumasa Yamamoto, Nobuhiko Ichikawa
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Patent number: 4946907Abstract: A curable thermosetting prepolymerized imide resin composition is prepared by chemically reacting, at a temperature below 150.degree. C., a liquid mixture of a carboxy-terminated polybutadiene/acrylonitrile (CTBN) and a co-reactant containing at least one N,N'-bisimide of an unsaturated carboxylic acid of general formula (I) ##STR1## where B represents a divalent radical containing a carbon-carbon double bond and A represents a divalent radical having at least two carbon atoms, at least one monoimide, and at least one organic hydrazide, to yield a curable thermosetting prepolymerized imide resin composition containing copolymerized CTBN and co-reactant. A resin composition prepared by this method may be cured at a temperature between 100.degree. C. and 350.degree. C. to yield a fully cross-linked polymimide matrix containing a dispersion of phase-separated solid particles of copolymerized CTBN and co-reagent, said matrix having a lap shear strength at 20.degree. C.Type: GrantFiled: October 5, 1987Date of Patent: August 7, 1990Assignee: The Secretary of State for Defense in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern IrelandInventors: Anthony J. Kinloch, Stephen J. Shaw
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Patent number: 4923925Abstract: Resin compositions of (A) 50-95 percent by weight of a polyamide and (B) 5-50 percent by weight of a modified polyolefin containing in side chains 0.005-5 molar percent of functional groups expressed by formulas (I) and/or (II) below and 0.005-5 molar percent of functional groups expressed by formulas (III) and/or (IV) below provide molds having a high impact resistance and are applicable to automobile parts. ##STR1## Where R.sub.1 represents hydrogen or methl and wherein R.sub.2, R.sub.3 and R.sub.4 represent hydrogen, aliphatic, alicyclic or aromatic residual groups having 1-30 carbon atoms.Type: GrantFiled: September 1, 1987Date of Patent: May 8, 1990Assignee: Toray Industries, Inc.Inventors: Kazumasa Chiba, Kazuhiko Kobayashi, Osamu Ueno
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Patent number: 4874817Abstract: Mixtures of imidized acrylic polymers and polyamides are described which have good flexural modulus properties.Type: GrantFiled: March 23, 1983Date of Patent: October 17, 1989Assignee: E. I. Du Pont De Nemours and CompanyInventors: Harold K. Inskip, Marion G. Waggoner
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Patent number: 4843127Abstract: The present invention includes a reactive elastomeric block co-oligomer; a copolymer containing a lactam, a co-catalyst/coupling agent, and the elastomeric block co-oligomer; and processes to make the block co-oligomer, and the copolymer.The reactive elastomeric block co-oligomer is the reaction product of a polycarboxylic acid, and a reactive moiety which can include a reactive polyether or a reactive polysulfide.The block co-oligomer of the present invention has been found to be useful to make a polymer containing lactam monomers, at least one coupling catalyst compound, and the block co-oligomer with the use of a catalyst.The present invention includes a process of forming the block co-oligomer of a polycarboyxlic acid and a reactive moiety. The reactive moiety can include a reactive polyether of a reactive polysulfide.The present invention further comprises a process of forming the block co-oligomer, and the process to form the lactam-block co-oligomer copolymer.Type: GrantFiled: April 19, 1985Date of Patent: June 27, 1989Assignee: Allied-Signal Inc.Inventors: Murali K. Akkapeddi, David E. Bradley, Thomas D. Gallagher, deceased
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Patent number: 4834933Abstract: A method of molding fiber-reinforced thermoset resin articles having improved mechanical properties. A thermosettable organic material is injected into a mold containing a fiber web. The molding composition includes (a) a thermosettable organic material containing two or more polymerizable carbon-carbon double bonds, (b) an ethylenically unsaturated monomer which forms a liquid homogeneous mixture with and is copolymerizable with (a) and is different from (a), and (c) an effective amount of an initiator or a mixture of initiators characterized by a ten-hour half life temperature, or in the case of a mixture of initiators, and average ten-hour half life temperature, of greater than about 50.degree. C. and less than 105.degree. C., which produces on decomposition less than 1.0 milliliter of gas per gram of resin as measured at a temperature of 25.degree. C. and a pressure of one atmosphere.Type: GrantFiled: September 3, 1985Date of Patent: May 30, 1989Assignee: Union Carbide CorporationInventors: Hugh C. Gardner, Linda A. Domeier
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Patent number: 4822688Abstract: Adhesive composition consisting essentially of polypropylene modified by grafting with an acid anhydride to further reacted with a compound bearing at least two groups capable of reacting with the anhydride preferrably a polyol or a polyamine.Type: GrantFiled: June 19, 1987Date of Patent: April 18, 1989Inventor: Pierre Nogues
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Patent number: 4783511Abstract: A process for the preparation of moulded bodies of thermoplastic polyamides, which comprises intensively mixing a polyamide and a masterbatch, converting the mixture by conventional thermoplast processing to moulded bodies and, before use, conditioning the bodies by contact with ambient moisture or, briefly, with water, in which the masterbatch contains at least 5% by weight of a silane substituted by one, 2 or 3 hydrolysable radicals and a functional group which can undergo a chemical reaction, to form a bond, with amino groups and/or carboxyl groups and/or amide groups in the polyamide chain.Type: GrantFiled: June 11, 1987Date of Patent: November 8, 1988Assignee: Ems-Inventa AGInventor: Eduard Schmid
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Patent number: 4757112Abstract: This invention is an improvement over the copending Olivier application Ser. No. 537,789, now U.S. Pat. No. 4,594,386, filed Sept. 30, 1983 and entitled "Polyamide Grafted EPM Blend". This invention relates to the further improvement in impact strength and toughness of polycaprolactams and other polyamide based resinous compositions and to a new and improved method for the manufacture of same.Type: GrantFiled: August 17, 1987Date of Patent: July 12, 1988Assignee: Copolymer Rubber & Chemical Corp.Inventor: Shrikant V. Phadke
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Patent number: 4728693Abstract: A thermoplastic resin composition, which comprises (a) from 5 to 85 parts by weight of a melted or remelted preliminary molding compound consisting of from 60 to 98 parts by weight of polyphenylene ethers, 40 to 2 parts by weight of polyoctylenes, from 0.1 to 5 parts by weight of maleic anhydride and from 0.1 to 5 parts by weight of a further acid derivative which has a melting point below 100.degree. C. and which is selected from the group consisting of an unsaturated mono- or dicarboxylic acid having up to 14 carbon atoms, an anhydride thereof, which excludes maleic anhydride, and an ester of mono- or dicarboxylic acid with an alcohol of up to 6 carbon atoms; and (b) from 95 to 15 parts by weight of an aliphatic homopolyamide or a copolyamide containing a preponderant amount of aliphatic monomer units.Type: GrantFiled: May 22, 1986Date of Patent: March 1, 1988Assignee: Huls AktiengesellschaftInventors: Michael Droscher, Hans Jadamus, Wolfgang Neugebauer, Martin Bartmann, Klaus Burzin, Roland Feinauer, Christian Gerth, Wilfried Ribbing, Jorg Lohmar
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Patent number: 4695488Abstract: A soil release composition comprising:(A) a polymer comprising 10 to 100% by weight of constituting units of the formula: ##STR1## wherein R.sub.f is a C.sub.3 --C.sub.21 fluoroalkyl group; R.sup.1 is a hydrogen atom or a C.sub.2 --C.sub.4 acyl group; R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are, the same or different, each a hydrogen atom, a methyl group or an ethyl group; A is a group of the formula: --CH.sub.2 CH(OR.sup.1)CH.sub.2 --OCO-- which R.sup.1 is the same as defined in the above, --CO--, --(CH.sub.2).sub.k N(R.sup.2)CO-- in which R.sup.2 is the same as defined in the above and k is an integer of 1 to 10, or --(CH.sub.2).sub.Type: GrantFiled: March 3, 1986Date of Patent: September 22, 1987Assignee: Daikin Industries, Ltd.Inventors: Iwao Hisamoto, Masaru Hirai, Sueyoshi Ishikawa
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Patent number: 4595730Abstract: Unsaturated polyamide polymers are provided which are comprised of a polyamide chain terminated at one end by a group containing at least one double bond. The polymers are particularly useful in the preparation of molded object coatings, water tight joints, grafting onto thermoplastic polymers or copolymers, and the like.Type: GrantFiled: October 31, 1984Date of Patent: June 17, 1986Assignee: AtochemInventors: Philippe Blondel, Camille Jungblut
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Patent number: 4497935Abstract: A rubber-toughened addition-type polyimide composition having excellent high temperature bonding characteristics in the fully cured state and improved peel strength and adhesive fracture resistance physical property characteristics is disclosed. The process for making the improved adhesive involves preparing the rubber-containing amic acid prepolymer by chemically reacting an amine-terminated elastomer and an aromatic diamine with an aromatic dianhydride with which a reactive chain stopper anhydride has been mixed, and utilizing solvent or mixture of solvents for the reaction.Type: GrantFiled: January 28, 1983Date of Patent: February 5, 1985Assignee: The Unites States of America as represented by the Administrator of the National Aeronautics and Space AdministrationInventors: Anne K. St. Clair, Terry L. St. Clair
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Patent number: 4469829Abstract: Amino-group bearing, low molecular weight 1,3-butadiene polymers used as stabilizers for molded or unshaped plastics in amounts of 0.01 to 2.0 weight percent referred to the plastic, where the amino-group bearing component is derived from a substituted piperidine having the general formula: ##STR1## where R represents similar or different alkyl groups having 1 to 3 carbon atoms.Type: GrantFiled: August 18, 1983Date of Patent: September 4, 1984Assignee: Chemische Werke Huls AGInventors: Alfred Konietzny, Hans-Dieter Zagefka, Konrad Rombusch, Hanns-Jorg Bax
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Patent number: 4415706Abstract: This invention relates to compatible polymer blends of from about 1 to about 99 percent by weight of an imidized acrylic polymer, containing at least 5 percent by weight glutarimide units, and from about 99 to about 1 percent by weight of a polyamide or mixtures thereof. The compatible polymer blends of polyglutarimides and polyamides possess certain desirable characteristics of each of the polymer components. Compatible polymer blends of polyglutarimides and polyamides improve the melt flow, melt strength, tensile strength, and modulus of polyamides. Compatible polymer blends of polyamides and polyglutarimides possess improved impact resistance and ductility compared with neat polyglutarimides. The addition of a high service temperature polyglutarimide to a lower service temperature nylon results in improved service temperature for the nylon.Type: GrantFiled: November 10, 1982Date of Patent: November 15, 1983Assignee: Rohm and Haas CompanyInventor: William H. Staas
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Patent number: 4389504Abstract: A rubber-toughened addition-type polyimide composition having excellent high temperature bonding characteristics in the fully cured state and improved peel strength and adhesive fracture resistance physical property characteristics is disclosed. The process for making the improved adhesive involves preparing the rubber-containing amic acid prepolymer by chemically reacting an amine-terminated elastomer and an aromatic diamine with an aromatic dianhydride with which a reactive chain stopper anhydride has been mixed, and utilizing solvent or mixture of solvents for the reaction.Type: GrantFiled: October 2, 1981Date of Patent: June 21, 1983Assignee: The United States of America as represented by the United States National Aeronautics and Space Administration Office of General Counsel-Code GPInventors: Anne K. St. Clair, Terry L. St. Clair
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Patent number: 4381372Abstract: Polymers and oligomers of the formula ##STR1## are useful as ultraviolet light stabilizers for various polymers, especially polyolefins.Type: GrantFiled: April 8, 1981Date of Patent: April 26, 1983Assignee: American Cyanamid CompanyInventor: Frank F. Loffelman
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Patent number: 4370467Abstract: A curable resin composition comprising (i) a catalytic composite comprising a peroxide and other catalytic component and (ii) a mixture or a preliminary reaction product of (a) a polyfunctional cyanate ester, prepolymer of the cyanate ester or coprepolymer of the cyanate ester and an amine and (b) a polyfunctional maleimide, prepolymer of the maleimide or coprepolymer of the maleimide and an amine and optionally (c) other component is disclosed. The composition cures rapidly at a low temperature and is preferable from view point of quantity production and workability. The composition is excellent in respect of adhering property, heat-resistance, moisture-resistance and chemical-resistance, and is useful for preparing laminated products, molded products, paint, powder paint, adhesive or varnish.Type: GrantFiled: July 3, 1980Date of Patent: January 25, 1983Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Morio Gaku, Nobuyuki Ikeguchi
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Patent number: 4348502Abstract: Thermoplastic compositions are described comprising blends of nylon and cured ethylene-vinyl acetate (EVA) rubber.Type: GrantFiled: January 23, 1981Date of Patent: September 7, 1982Assignee: Monsanto CompanyInventors: Aubert Y. Coran, Raman Patel
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Patent number: 4262098Abstract: A halogenated polyethylene, or a mixture of it with a sulfur-curable rubber and/or a vinyl chloride resin can be cured with a combination of sulfur and/or a sulfur donor, and at least one amino acid selected from the group consisting of lysine, ornithine, arginine and proline.Type: GrantFiled: July 10, 1978Date of Patent: April 14, 1981Assignee: Sanyo Trading Co., Ltd.Inventor: Masao Onizawa
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Patent number: 4224206Abstract: An essentially linear polymer having a plurality of amide, imide and ester groups therein, which is the condensation product of (1) at least one polycarboxylic acid imide-forming reactant, (2) at least one ethylenically unsaturated polycarboxylic acid carboxypyrrolidone-forming reactant, (3) at least one polycarboxylic acid ester-forming reactant, (4) at least one glycoly, (5) at least one other polyfunctional hydroxyl compound, and (6) at least one polyfunctional amino compound having at least one primary amine group thereon. The equivalent molar ratio of the functional hydroxyl groups of the glycols and hydroxyl compounds to the functional ester-forming carboxyl groups of the acid reactants is from about 1.0 to 1 to about 3.0 to 1.Type: GrantFiled: July 31, 1978Date of Patent: September 23, 1980Assignee: Phelps Dodge Industries, Inc.Inventor: George H. Sollner
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Patent number: 4185045Abstract: A powdery coating composition comprising (1) 10 to 40% by weight of a solid cross-linking agent having a softening point of 50.degree. to 120.degree. C. and prepared by heating 40 to 75% by weight of an acrylic resin having free hydroxyl groups and 60 to 25% by weight of an alkoxyaminotriazine at 50.degree. to 120.degree. C., and (2) 90 to 60% by weight of a base resin having a softening point of 60.degree. to 130.degree. C. and an acid value of up to 30 and containing 0.4 to 2.0 moles of free hydroxyl groups per kilogram of the resin, the alkoxyaminotriazine having 0 to 1 non-methylolated NH bond per triazine ring, at least 80% of the methylol groups of the alkoxyaminotriazine having been etherified with an aliphatic or alicyclic alcohol or ethylene glycol monoalkyl ether.Type: GrantFiled: February 24, 1978Date of Patent: January 22, 1980Assignee: Kansai Paint Company, LimitedInventors: Ichiro Yoshihara, Tadashi Watanabe, Osamu Iwase
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Patent number: 4177178Abstract: Thermosetting acrylic copolymer compositions useful in coating applications are disclosed. The acrylic polymer has a weight average molecular weight of about 15,000 to 100,000 and contains from about 2 to 20 percent by weight of an alkyl ester of an unsaturated carboxylic acid containing from 14 to 20 carbon atoms in the alkyl group, for example, stearyl methacrylate. The compositions are particularly useful as water-based exterior coatings for automobiles and trucks.Type: GrantFiled: April 17, 1978Date of Patent: December 4, 1979Assignee: PPG Industries, Inc.Inventors: Suryya K. Das, Charles M. Kania
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Patent number: 4171330Abstract: A fire-retardant resin composition comprising(A) an aromatic copolyester derived from(1) a mixture of terephthalic acid and isophthalic acid or the functional derivatives thereof and(2) a bisphenol or the functional derivatives thereof,(B) a polyamide,(C) a polyalkylene phenylene ester or a polyalkylene phenylene ester ether and(D) an aromatic halogen compound. The resin composition has superior moldability, and molded articles prepared from the resin composition have superior chemical properties, thermal stability, mechanical properties and fire retardancy. The resin composition may additionally contain (E) a fire-retardant assistant.Type: GrantFiled: January 20, 1978Date of Patent: October 16, 1979Assignee: Unitika Ltd.Inventors: Kayomon Kyo, Katsuhiro Hirose, Kenji Yasue, Sinichi Tokumitsu, Haruo Kohyama
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Patent number: 4170612Abstract: Pressure sensitive adhesive compositions are prepared from a mixture of a specific pressure sensitive polymer, a chlorosulphonated polyethylene and a polymerizable vinyl compound. The compositions are cured to form a strong bond upon contact with a condensation reaction product of a primary or secondary amine and an aldehyde.Type: GrantFiled: April 13, 1978Date of Patent: October 9, 1979Assignee: National Starch and Chemical CorporationInventors: Stephen D. Pastor, Martin M. Grover
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Patent number: T102101Abstract: A hydrophilic polymer shaped article adapted for use as a soft contact lens is treated to provide at least on the surfaces thereof a modified, less hydrophilic polymeric structure inhibiting penetration by bacteria and proteins, whereby development of clouding and discoloration of the lens material during use is significantly retarded. Modification of the lens surfaces is effected by treatment of the lenses, either unhydrated or in a partially hydrated state, at a temperature ranging from room temperature to 100.degree. C. and for a time period of 1 to 24 hours, with a water-soluble mono- or poly-carboxylic acid selected from alpha-amino acids, such as arginine, cysteine, glycine and like acids, aliphatic dicarboxylic acids or aromatic dicarboxylic and tricarboxylic acids, such as malonic, maleic, glutaric, citraionic, itaconic acid and the like.Type: GrantFiled: September 28, 1981Date of Patent: August 3, 1982Inventors: Nancy J. Drake, Charles J. Hora