Polymer Is Graft, Graft-type, Block, Or Block-type Copolymer Patents (Class 523/423)
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Patent number: 5464885Abstract: An aqueous dispersed acrylic grafted epoxy-ester polymer useful as a polymeric binder for protective coatings is produced by first forming a carboxyl functional epoxy-ester by esterifying a low molecular weight epoxy resin with a low molecular weight, unsaturated, carboxyl terminated polyester, followed by in-situ copolymerizing ethylenic monomers in the presence of water-dispersed epoxy-ester.Type: GrantFiled: April 4, 1994Date of Patent: November 7, 1995Assignee: The Glidden CompanyInventor: Gary P. Craun
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Patent number: 5441995Abstract: The present invention provides a paint film with fewer craters and indentations, while maintaining performance as an electrodeposition paint. The electrodeposition paint composition contains an aqueous dispersing system containing an electrodepositable resin and a block polymer containing polysiloxane units and polyalkylene oxide units.Type: GrantFiled: June 6, 1994Date of Patent: August 15, 1995Assignee: Nippon Paint Co., Ltd.Inventors: Atsushi Ohgaki, Hiroharu Ohsugi, Hisaki Tanabe, Kenshiro Tobinaga, Yoshio Kojima
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Patent number: 5290828Abstract: An aqueous dispersed, low VOC coating containing a polymeric binder comprises an addition copolymer grafted epoxy polyester terpolymer. The graft terpolymer comprises by weight between 1% and 70% unsaturated polyester, 5% and 80% epoxy resin, and 5% and 70% addition copolymer, where the terpolymer has an Acid Number above about 30 and is dispersed into water with a volatile base.Type: GrantFiled: June 11, 1993Date of Patent: March 1, 1994Assignee: The Glidden CompanyInventors: Gary P. Craun, Daniel Bode, Denise E. Yancey
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Patent number: 5266611Abstract: An aqueous structural adhesive bonding primer composition containing a water-dispersible, modified phenoxy resin, an amine-aldehyde resin and a catalyst for reaction between the resins. The primer may contain corrosion inhibitors, including a novel chromate-free inhibitor system.Type: GrantFiled: July 21, 1992Date of Patent: November 30, 1993Assignee: The Dexter CorporationInventor: Andrew F. Teschendorf
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Patent number: 5252637Abstract: Coating compositions containing aqueous dispersions of higher molecular weight epoxy resin are produced by advancing the molecular weight of an aqueous dispersion of a low molecular weight epoxy resin having a number average molecular weight between about 360 and 2,000. The water dispersed low molecular weight epoxy resins are advanced in molecular weight by coreaction with diphenol at temperatures above about 105.degree. C. and at pressures above about 5 psig to produce the aqueous dispersed high molecular weight epoxy resin. The aqueous dispersed high molecular weight epoxy resin can be further copolymerized with ethylenic monomers, if desired, to produce an acrylic epoxy emulsion binder useful in protective coatings.Type: GrantFiled: June 12, 1992Date of Patent: October 12, 1993Assignee: The Glidden CompanyInventors: Gary P. Craun, Daniel Bode
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Patent number: 5221699Abstract: Printing fluid for printing cellulosic materials comprising (a) water; (b) a cationic polyaminoamide/epichlorohydrin resin; (c) a water soluble cationic dye; and (d) 0 up to about 3 wt. %, based on the weight of the printing fluid, of a bleachable pigment. The fluid preferably also contains up to about 50 wt. %, based on the weight of the fluid, of urea to enhance color strength. The printing fluid has excellent bleed resistance to common household products but is nevertheless bleachable so that printed materials such as paper toweling may be repulped and recycled.Type: GrantFiled: December 18, 1992Date of Patent: June 22, 1993Assignee: Sun Chemical CorporationInventors: Solomon J. Nachfolger, Timothy C. Vogel
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Patent number: 5177122Abstract: This invention relates to stable one-part latex compositions prepared by aqueous emulsion polymerization wherein a core-shell polymer is found, the core formed by emulsion polymerization of an ethylenically unsaturated monomer in the presence of an epoxy resin and the shell polymer formed by emulsion polymerization of a hydroxy carboxyl containing monomer composition in the presence of the core, providing that the monomers in both the core and the shell do not contain amino functional groups, and post-adding to the formed core-shell polymer an organic compound having at least one amino functional group which is available for later reaction with the epoxy resin upon drying to produce a crosslinked polymer product.Type: GrantFiled: December 14, 1990Date of Patent: January 5, 1993Assignee: National Starch and Chemical Investment Holding CorporationInventor: Yen-Jer Shih
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Patent number: 5137944Abstract: The following A-agent and B-agent are applied independently respectively to the faces of two materials to be attached and the faces of adhesion are stuck together.______________________________________ A-agent ______________________________________ (1) chlorosulfonated polyethylene 5-30 parts by weight (2) one kind or more acrylic monomer 10-100 parts by weight which are selected from acrylic acid, methacrylic acid, acrylic ester, methacrylic ester, diacrylate, dimethacrylate, polyfunctional acrylate and polyfunctional dimethacrylate (3) diglycidyl ether type-epoxy resin 0-50 parts by weight (4) peroxide of cumene hydroperoxide 1-50 parts by weight and the like (5) age resister 0-50 parts by weight ______________________________________The A-agent is obtained by mixing, stirring and solving above-mentioned (1), (2), (3), (4) and (5).Type: GrantFiled: March 6, 1989Date of Patent: August 11, 1992Assignee: Nogawa Chemical Co., Ltd.Inventors: Kanji Isobe, Kazutami Wakabayashi
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Patent number: 5087647Abstract: Aqueous two-component systems based on epoxide resins and diamines, containing water in an amount of 1 to 20 wt. % which are prepared by mixing: (a) as a curing agent, a (cyclo)aliphatic di-primary-diamine having 2 to 12 carbon atoms, in homogeneous solution with 2-40 wt. % water, (b) as an epoxide resin component, (i) a polyglycide compound of a bisphenol, an aliphatic polyol, a polyether polyol, a dicarboxylic acid, or a mixture of these polyglycide compounds and (ii) a polyacrylate of a polyol or a polyether polyol, have a low water content, are cold-curable, yield elastic coatings with good solvent resistance, and may be applied in thick layers and with a high filler content. The systems may be used for coating inorganic and organic materials.Type: GrantFiled: June 28, 1989Date of Patent: February 11, 1992Assignee: Huels AktiengesellschaftInventor: Werner Flakus
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Patent number: 5070120Abstract: The present invention provides a micro gel particle having a cationic charge, prepared by a radical polymerization. The micro gel particle is obtained in the form of an aqueous dispersion. The micro gel particle dispersion is prepared by dispersing or emulsifying in an aqueous medium (A) a cationic aqueous resin and (B) a resin having at least two polymerizable vinyl groups and a number average molecular weight of 400 to 20,000, followed by radical-polymerizing.Type: GrantFiled: July 7, 1989Date of Patent: December 3, 1991Assignee: Nippon Paint Co., Ltd.Inventors: Hiroyuki Sakamoto, Kenshiro Tobinaga, Yasuyuki Tsuchiya
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Patent number: 5066690Abstract: Epoxy polyol resins which are copolymerized with a blend of monomers having polymerizable double bonds are described as suitable water dispersible polymeric vehicles for coating compositions.Type: GrantFiled: July 3, 1990Date of Patent: November 19, 1991Assignee: Cargill, IncorporatedInventors: Roger A. Schmidt, Bryan R. Swenson
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Patent number: 5061742Abstract: Stable aqueous acrylic resin dispersions are made from a dispersion in water of the reaction product of a carboxylic acid containing acrylic resin and a diglycidyl ether of a polyoxyalkylene glycol.Type: GrantFiled: May 16, 1990Date of Patent: October 29, 1991Assignee: Hi-Tek Polymers, Inc.Inventor: Michael M. Miller
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Patent number: 5055501Abstract: A process is provided for the production of a highly water-absorbing resin comprising a polymer obtained by polymerizing a monomer composition mainly composed of an ethylenically unsaturated monocarboxylic acid and/or an alkali metal salt thereof. The process comprises incorporating an oil-soluble polyfunctional epoxy compound having a solubility in 100 g of water at 20.degree. C. of not more than 0.3 g into the polymer by adding 0.0005-3 parts by weight of the oil-soluble polyfunctional epoxy compound to 100 parts by weight of the polymer or the monomer composition to be subjected to polymerization and thereby causing crosslinking.Type: GrantFiled: April 3, 1989Date of Patent: October 8, 1991Assignee: Nippon Gohsei Kagaku Kogyo Kabushiki KaishaInventors: Tetsuo Moriya, Susumu Kondo
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Patent number: 4851460Abstract: An aqueous coating composition is described, containing, as binder, a mixture of (A) 50 to 95% by weight of a reaction product of a carboxy functional polycondensate containing epoxy groups, at least one copolymerisable o,-olefinically unsaturated monomer and conventional auxiliary agents, and (B) 50 to 5% by weight of a polyurethane dispersion, optionally together with a grinding resin. The process for the preparation of the aqueous coating compound and its use for the formation of coatings are also described.Type: GrantFiled: August 18, 1987Date of Patent: July 25, 1989Assignee: Herberts Gesellschaft mit Beschrankter HaftungInventors: Dieter Stranghoner, Hans-Peter Patzschke, Christa Luhmann
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Patent number: 4822832Abstract: Described are novel thermosetting epoxy resin compositions suitable for making cured resins, prepregs and stiff, tough thermoset composites. The thermosetting compositions comprise a polyepoxide component, an amine hardner and a specified amount of certain aromatic oligomers containing functional groups which are reactive with the polyepoxide and/or hardener under curing conditions for the composition. The cured resins have a multiphase morphology which comprises at least one glassy continuous phase and at least one glassy discontinuous phase and have a fracture toughness, K.sub.IC, of at least 1.0 MPam.sup.1/2.Type: GrantFiled: April 7, 1987Date of Patent: April 18, 1989Assignee: Hercules IncorporatedInventors: Sung G. Chu, Harold Jabloner, Brian J. Swetlin
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Patent number: 4812486Abstract: An absorbent composition having excellent stability comprising an absorbent resin and 0.01 to 30 percent by weight, based on the dried weight of said absorbent resin, of a radical chain terminator.Type: GrantFiled: August 18, 1987Date of Patent: March 14, 1989Assignee: Kao CorporationInventors: Yasunori Hosokawa, Takatoshi Kobayashi
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Patent number: 4579887Abstract: Non-aqueous dispersions are disclosed which contain (A) a relatively high molecular weight epoxy resin, (B) a non-aqueous dispersion medium, and (C) a dispersant such as a copolymer of (1) at least one polymerizable ethylenically unsaturated monomer containing a group reactive with an epoxy group and (2) at least one polymerizable ethylenically unsaturated monomer free of any groups reactive with an epoxy group.These dispersions are useful in coatings, electrical or structural laminates or composites, body solders, adhesives, caulking compounds, casting compounds, filament winding and the like.Type: GrantFiled: February 26, 1985Date of Patent: April 1, 1986Assignee: The Dow Chemical CompanyInventors: Anita E. Mizusawa, Rhetta Q. Davis
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Patent number: 4564648Abstract: Dispersion of an epoxy ester graft acrylic in water with a total of no more than 5% of organic volatiles and amines. These dispersions can be used in primer compositions for metal substrates having a minimum of organic solvent emissions and which can crosslink at temperatures from 110.degree.-200.degree. C., giving a good balance of hardness, flexibility, humidity, corrosion resistance and anti-chipping properties.Type: GrantFiled: September 21, 1984Date of Patent: January 14, 1986Assignee: E. I. Du Pont de Nemours and CompanyInventors: Jozef T. Huybrechts, Victor R. Vleminckx
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Patent number: 4522851Abstract: The present invention is directed to an aqueously dispersed, heat-curable coating composition comprising(a) a water-dispersible epoxy resin component containing external and/or chemically incorporated non-ionic emulsifiers and(b) a water-dispersible, blocked polyisocyanate component containing chemically incorporated anionic hydrophilic groups in a weight ratio of component (a) to component (b) of about 1:10 to 10:1.The present invention is also directed to a process for producing coated substrates from these compositions and to the coated substrates produced therefrom.Type: GrantFiled: September 30, 1982Date of Patent: June 11, 1985Assignee: Mobay Chemical CorporationInventor: James W. Rosthauser
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Patent number: 4511682Abstract: Stable, water-dispersible block copolymer coating compositions are produced from water-indispersible organic polymers having a plurality of hydroxyl groups and water-dispersible organic polymer having a plurality of carboxylic acid anhydride groups by controlled esterification.Type: GrantFiled: May 29, 1984Date of Patent: April 16, 1985Assignee: Union Carbide CorporationInventors: Walter P. Mayer, Richard J. Burns
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Patent number: 4506048Abstract: A class of polymer precursor materials, which, under appropriate conditions, react to form cross-linked polymers, is disclosed. These materials contain a backbone segment, such as polyacrylate, having pendant therefrom mono- or disubstituted olefinic groups, such as vinyl itaconate, having specific polymerization rates. This class of materials, especially when coupled with specifically-defined oxygen-activated catalyst systems, provide paint and plastic compositions which exhibit excellent film formation, strength and durability characteristics.Type: GrantFiled: October 31, 1983Date of Patent: March 19, 1985Assignee: The Procter & Gamble CompanyInventors: Rodney D. Bush, Medford D. Robbins
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Patent number: 4497946Abstract: Epoxy phosphate-carboxyl copolymers substantially free of epoxy functionality and aqueous coatings containing the same are disclosed. These copolymers are formed by copolymerizing monoethylenically unsaturated monomers, including carboxyl-functional monomer, in an organic solvent solution containing an epoxy-functional epoxy phosphate, there being at least 5% of carboxyl-functional monomer and at least 10% of total monomers present in the copolymer. The copolymer is converted into a water soluble salt with volatile amine and phenoplast resins are preferably used to provide at least part of the curing agent.Type: GrantFiled: April 13, 1983Date of Patent: February 5, 1985Assignee: DeSoto, Inc.Inventors: Kazys Sekmakas, Raj Shah
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Patent number: 4465816Abstract: A stable, water soluble epoxy resin suitable for use as a coating material is made by grafting a thio-acid onto an unsaturated functional site on an epoxy resin backbone.Type: GrantFiled: November 28, 1980Date of Patent: August 14, 1984Assignee: Parker Chemical CompanyInventor: Andreas Lindert
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Patent number: 4446258Abstract: Aqueous compositions suitable for sanitary can coatings comprising the neutralized water dispersible ionic polymer product of the reaction of an epoxy resin with acid polymer, and a different resin which is not necessarily self-dispersible in water, as well as several methods of preparing such compositions, are disclosed. The second resin which is not necessarily self-dispersible in water is introduced either preformed at any stage or is prepared, in situ, in the presence of the epoxy resin esterified with acid polymer either before the ionic epoxy resin-acid polymer product is dispersed in water. The epoxy resin-acid polymer product acts as a polymeric surfactant capable of keeping even a normally non self-dispersible second polymer in stable dispersion in water.Type: GrantFiled: December 30, 1982Date of Patent: May 1, 1984Assignee: Mobil Oil CorporationInventors: Shaw C. Chu, Arthur T. Spencer
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Patent number: 4444923Abstract: An improved process for preparing epoxy acrylate dispersions from the reaction product of an epoxy resin and carboxyl containing polymer in the presence of tertiary amine in which the carboxyl containing polymer is formed, in situ, in the presence of a solvent solution of the epoxy resin and then subjected to the esterification reaction which can be conducted in a single pot.Type: GrantFiled: December 30, 1982Date of Patent: April 24, 1984Assignee: Mobil Oil CorporationInventor: William H. McCarty
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Patent number: 4374875Abstract: Water-borne thermoplastic polyhydroxyether resins are prepared by grafting carboxyl-containing vinyl monomers onto phenoxy resins with a free radical initiator and then converting the graft copolymer to an ionomer suitable for use as protective coatings for metals.Type: GrantFiled: December 23, 1981Date of Patent: February 22, 1983Assignee: Union Carbide CorporationInventor: You-Ling Fan
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Patent number: 4355122Abstract: Water-borne thermoplastic polyhydroxyether resins are prepared by grafting carboxyl-containing vinyl monomers onto phenoxy resins with a free radical initiator and then converting the graft copolymer to an ionomer suitable for use as coatings or adhesives.Type: GrantFiled: December 15, 1980Date of Patent: October 19, 1982Assignee: Union Carbide CorporationInventor: You-Ling Fan
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Patent number: 4323490Abstract: New mixtures of components comprising (A) reaction products of (a) 1.0 epoxy group equivalent of a diglycidyl ether, (b) 0.2 to 5.0 amino group equivalents of a polyalkylenepolyaminoamide obtained from (b') a polymerised, unsaturated fatty acid and (b") an aliphatic polyalkylenepolyamine, (c) 0 to 0.6 amino group equivalent of a primary fatty amine and (d) 0 to 1.0 mol of an epihalogenohydrin, these reaction products being converted into the salt form by adding acid, and (B) a homopolymer of styrene or a copolymer of styrene or acrylonitrile and an alkyl acrylate or methacrylate, which mixtures of components can be used as paper sizes and as textile treatment agents.Type: GrantFiled: March 23, 1981Date of Patent: April 6, 1982Assignee: Ciba-Geigy CorporationInventor: Rosemarie Topfl