Polymer Is Graft, Graft-type, Block, Or Block-type Copolymer Patents (Class 523/423)
  • Patent number: 5464885
    Abstract: 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: Grant
    Filed: April 4, 1994
    Date of Patent: November 7, 1995
    Assignee: The Glidden Company
    Inventor: Gary P. Craun
  • Patent number: 5441995
    Abstract: 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: Grant
    Filed: June 6, 1994
    Date of Patent: August 15, 1995
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Atsushi Ohgaki, Hiroharu Ohsugi, Hisaki Tanabe, Kenshiro Tobinaga, Yoshio Kojima
  • Patent number: 5290828
    Abstract: 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: Grant
    Filed: June 11, 1993
    Date of Patent: March 1, 1994
    Assignee: The Glidden Company
    Inventors: Gary P. Craun, Daniel Bode, Denise E. Yancey
  • Patent number: 5266611
    Abstract: 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: Grant
    Filed: July 21, 1992
    Date of Patent: November 30, 1993
    Assignee: The Dexter Corporation
    Inventor: Andrew F. Teschendorf
  • Patent number: 5252637
    Abstract: 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: Grant
    Filed: June 12, 1992
    Date of Patent: October 12, 1993
    Assignee: The Glidden Company
    Inventors: Gary P. Craun, Daniel Bode
  • Patent number: 5221699
    Abstract: 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: Grant
    Filed: December 18, 1992
    Date of Patent: June 22, 1993
    Assignee: Sun Chemical Corporation
    Inventors: Solomon J. Nachfolger, Timothy C. Vogel
  • Patent number: 5177122
    Abstract: 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: Grant
    Filed: December 14, 1990
    Date of Patent: January 5, 1993
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventor: Yen-Jer Shih
  • Patent number: 5137944
    Abstract: 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: Grant
    Filed: March 6, 1989
    Date of Patent: August 11, 1992
    Assignee: Nogawa Chemical Co., Ltd.
    Inventors: Kanji Isobe, Kazutami Wakabayashi
  • Patent number: 5087647
    Abstract: 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: Grant
    Filed: June 28, 1989
    Date of Patent: February 11, 1992
    Assignee: Huels Aktiengesellschaft
    Inventor: Werner Flakus
  • Patent number: 5070120
    Abstract: 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: Grant
    Filed: July 7, 1989
    Date of Patent: December 3, 1991
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Hiroyuki Sakamoto, Kenshiro Tobinaga, Yasuyuki Tsuchiya
  • Patent number: 5066690
    Abstract: 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: Grant
    Filed: July 3, 1990
    Date of Patent: November 19, 1991
    Assignee: Cargill, Incorporated
    Inventors: Roger A. Schmidt, Bryan R. Swenson
  • Patent number: 5061742
    Abstract: 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: Grant
    Filed: May 16, 1990
    Date of Patent: October 29, 1991
    Assignee: Hi-Tek Polymers, Inc.
    Inventor: Michael M. Miller
  • Patent number: 5055501
    Abstract: 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: Grant
    Filed: April 3, 1989
    Date of Patent: October 8, 1991
    Assignee: Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
    Inventors: Tetsuo Moriya, Susumu Kondo
  • Patent number: 4851460
    Abstract: 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: Grant
    Filed: August 18, 1987
    Date of Patent: July 25, 1989
    Assignee: Herberts Gesellschaft mit Beschrankter Haftung
    Inventors: Dieter Stranghoner, Hans-Peter Patzschke, Christa Luhmann
  • Patent number: 4822832
    Abstract: 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: Grant
    Filed: April 7, 1987
    Date of Patent: April 18, 1989
    Assignee: Hercules Incorporated
    Inventors: Sung G. Chu, Harold Jabloner, Brian J. Swetlin
  • Patent number: 4812486
    Abstract: 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: Grant
    Filed: August 18, 1987
    Date of Patent: March 14, 1989
    Assignee: Kao Corporation
    Inventors: Yasunori Hosokawa, Takatoshi Kobayashi
  • Patent number: 4579887
    Abstract: 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: Grant
    Filed: February 26, 1985
    Date of Patent: April 1, 1986
    Assignee: The Dow Chemical Company
    Inventors: Anita E. Mizusawa, Rhetta Q. Davis
  • Patent number: 4564648
    Abstract: 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: Grant
    Filed: September 21, 1984
    Date of Patent: January 14, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Jozef T. Huybrechts, Victor R. Vleminckx
  • Patent number: 4522851
    Abstract: 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: Grant
    Filed: September 30, 1982
    Date of Patent: June 11, 1985
    Assignee: Mobay Chemical Corporation
    Inventor: James W. Rosthauser
  • Patent number: 4511682
    Abstract: 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: Grant
    Filed: May 29, 1984
    Date of Patent: April 16, 1985
    Assignee: Union Carbide Corporation
    Inventors: Walter P. Mayer, Richard J. Burns
  • Patent number: 4506048
    Abstract: 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: Grant
    Filed: October 31, 1983
    Date of Patent: March 19, 1985
    Assignee: The Procter & Gamble Company
    Inventors: Rodney D. Bush, Medford D. Robbins
  • Patent number: 4497946
    Abstract: 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: Grant
    Filed: April 13, 1983
    Date of Patent: February 5, 1985
    Assignee: DeSoto, Inc.
    Inventors: Kazys Sekmakas, Raj Shah
  • Patent number: 4465816
    Abstract: 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: Grant
    Filed: November 28, 1980
    Date of Patent: August 14, 1984
    Assignee: Parker Chemical Company
    Inventor: Andreas Lindert
  • Patent number: 4446258
    Abstract: 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: Grant
    Filed: December 30, 1982
    Date of Patent: May 1, 1984
    Assignee: Mobil Oil Corporation
    Inventors: Shaw C. Chu, Arthur T. Spencer
  • Patent number: 4444923
    Abstract: 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: Grant
    Filed: December 30, 1982
    Date of Patent: April 24, 1984
    Assignee: Mobil Oil Corporation
    Inventor: William H. McCarty
  • Patent number: 4374875
    Abstract: 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: Grant
    Filed: December 23, 1981
    Date of Patent: February 22, 1983
    Assignee: Union Carbide Corporation
    Inventor: You-Ling Fan
  • Patent number: 4355122
    Abstract: 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: Grant
    Filed: December 15, 1980
    Date of Patent: October 19, 1982
    Assignee: Union Carbide Corporation
    Inventor: You-Ling Fan
  • Patent number: 4323490
    Abstract: 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: Grant
    Filed: March 23, 1981
    Date of Patent: April 6, 1982
    Assignee: Ciba-Geigy Corporation
    Inventor: Rosemarie Topfl