Ethylenic Monomer Contains At Least One Atom Which Is Other Than C, H, Or O Patents (Class 524/535)
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Patent number: 6541562Abstract: An aqueous paint composition comprising: (i) an aqueous dispersion obtained by neutralizing with a neutralizing agent a hydrolytic condensation reaction product of (a) 100 parts by weight of an organosilane of the formula (1) R1nSi(OR2)4-n, wherein R1 is a C1-8 organic group, R2 is a C1-5 alkyl group, and n is 1 or 2, and/or its partially hydrolyzed condensate, with (b) from 5 to 200 parts by weight of a silyl group-containing vinyl resin having hydrolyzable silyl groups or silyl groups having silicon atoms bonded to hydroxyl groups and having an acid value of from 20 to 150 mgKOH/g, and adding water thereto, (ii) an amino group-containing alkoxysilane compound, and (iii) an epoxy group-containing compound.Type: GrantFiled: October 3, 2000Date of Patent: April 1, 2003Assignee: Dai Nippon Toryo Co., Ltd.Inventors: Ryuichi Aoki, Tadashi Hatakeyama, Hiroharu Sasaki, Kazuyoshi Tsuneta
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Patent number: 6509404Abstract: An ionomeric particulate composition made by suspension polymerization is provided. The composition comprises at least one vinyl monomer; an acid monomer; a metal oxide; at least two surfactants, one of which is a monomer surfactant; and polyacrylamide. The particulates' size can be controlled by use of the polyacrylainide and various surfactants, and not through the conventional means of homogenization. Particle size in the range of less than 10 micrometers can be made. The ionomeric particulate is made in the absence of a chain transfer agent and thus can have high molecular weight.Type: GrantFiled: November 17, 1999Date of Patent: January 21, 2003Assignee: 3M Innovative Properties Co.Inventors: Chung I. Young, Michael R. Engel, Chi-Ming Tseng
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Patent number: 6465595Abstract: A potentially hydrophilic resin comprises at least monomer units readily saponifiable under alkaline conditions to form carboxyl groups, carboxyl-containing monomer units, and hydroxyl-containing monomer units. A potentially hydrophilic resin composition comprises, in a liquid medium, the potentially hydrophilic and an adhesive component or film-forming component. A recycling method is provided for an article with a coating applied on a surface thereof. According to the recycling method, the coating on the surface of the article is formed with the potentially hydrophilic resin composition, and subsequent to use of the article, the article is treated with alkaline water to saponify methyl acrylate in the coating such that the coating is caused to swell, and the coating so swollen is removed from the article.Type: GrantFiled: March 13, 2000Date of Patent: October 15, 2002Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.Inventors: Minoru Takizawa, Hitoshi Naganuma, Michiei Nakamura, Naomi Oguma
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Patent number: 6462113Abstract: Copolymerizates of methyl methacrylate and butyl methacrylate are used as plastisols in the automotive sector and as floor coverings. The invention describes a way to increase the storage stability of the plastisols by using small amounts of cross-linking agents.Type: GrantFiled: December 8, 1997Date of Patent: October 8, 2002Assignee: Roehm GmbH & Co. KGInventors: Wilhelm Elser, Guenther Schmitt, Ursula Rausch, Theodor Mager
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Patent number: 6436865Abstract: The invention provides a liquid catalyst capable of cross-linking amino resins. The liquid catalyst has improved flexibility and adhesive properties. It is comprised of a cross-linkable polyvinyl acetate, an acid, and an ammonium salt.Type: GrantFiled: November 13, 2000Date of Patent: August 20, 2002Assignee: Multibond Inc.Inventors: Serge Berube, John Cutt
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Patent number: 6413306Abstract: A pigment dispersion useful for forming coating compositions containing dispersed pigment, a non-aqueous carrier liquid and an ABC-block polymer dispersant (binder); wherein the ABC block polymer has a number average molecular weight of about 5,000-20,000 and contains a polymeric A segment, a polymeric B segment and a polymeric C segment; wherein the polymeric A segment of the block polymer is of polymerized monomers selected from the following group: alkyl (meth)acrylate monomers having 1-12 carbon atoms in the alkyl group, aryl (meth)acrylate monomers, cyclo alkyl (meth)acrylate monomers or mixtures of any of the above; the polymeric B segment of the block polymer is of polymerized alkyl amino alkyl (meth)acrylate monomers having 1-4 carbon atoms in the alkyl group quaternized with an alkylating agent; and the polymeric C segment of the block polymer is of polymerized monomers of hydroxy alkyl (meth)acrylate having 1-4 carbon atoms in the alkyl group and monomers selected from the following group: alkylType: GrantFiled: October 7, 1999Date of Patent: July 2, 2002Assignee: E. I. du Pont de Nemours and CompanyInventors: Daniel C. Kraiter, Beatriz E. Rodriguez-Douglas
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Patent number: 6414075Abstract: The invention provides for the use of copolymers containing structural units derived from the compounds of the formulae 1 and 2 in which R1 is H or C1-C4 alkyl, R2 is a branched or unbranched C1-C6 alkylene radical, and Y is an alkali metal or ammonium to prevent misting in water-based cooling lubricants.Type: GrantFiled: July 6, 2000Date of Patent: July 2, 2002Assignee: Clariant GmbHInventors: Rainer Kupfer, Karl Heinz Heier
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Publication number: 20020082323Abstract: The present invention provides radiation-curable compositions for coating plastic substrates, wherein the compositions, after cure, have a combination of sufficient adhesion, flexibility, and hardness.Type: ApplicationFiled: September 14, 2001Publication date: June 27, 2002Inventors: Chander P. Chawla, Christopher Tronche
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Publication number: 20020060304Abstract: The following fluorine-containing compound is presented which is capable of providing dry soil resistance when incorporated to a water and oil repellent.Type: ApplicationFiled: October 15, 2001Publication date: May 23, 2002Applicant: Asahi Glass Company, LimitedInventors: Minako Ishikawa, Takashige Maekawa, Ryuji Seki, Shoji Furuta, Kazuya Oharu
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Patent number: 6391947Abstract: An ink for ink-jet recording is provided which contains a coloring material and an aqueous liquid medium for solving or dispersing the coloring material, the liquid medium having a lower critical consolute temperature (Tc) to cause phase separation at a temperature in the range of from 40 to 100° C. Ink-jet recording method and an ink-jet recording apparatus employing the above ink are also provided.Type: GrantFiled: June 14, 1996Date of Patent: May 21, 2002Assignee: Canon Kabushiki KaishaInventors: Hiromichi Noguchi, Yuko Suga, Katsuhiro Shirota, Akio Kashiwazaki, Aya Takaide
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(Co) Polymerization process of fluoro-containing monomers for obtaining hydrogen containing polymers
Publication number: 20020035178Abstract: Polymerization process of unsaturated pefluoromonomers, fluoro-containing monomers and optionally in the presence of hydrogen containing olefins, for obtaining polymers contaning hydrogen and fluorine, which utilizes a microemulsion comprising the following components:Type: ApplicationFiled: May 24, 2000Publication date: March 21, 2002Inventors: Julio A. Abusleme, Alba Chittofrati -
Patent number: 6359030Abstract: An aqueous-dispersing composition of synthetic resin (A) having an intrinsic viscosity “&eegr;” of from 0.3 to 2.0 measured at 35° C. in a methyl ethyl ketone solvent or a mixture of that aqueous dispersion and an aqueous dispersion of synthetic resin (B) having an intrinsic viscosity “&eegr;” of not less than 0.6 which is larger by 0.3 or more than the intrinsic viscosity “&eegr;” of the synthetic resin (A) when the intrinsic viscosity is measured at 35° C. in a methyl ethyl ketone solvent. The aqueous-dispersing composition and the mixture have improved film forming property and can give a coating film being excellent in chemical resistance, water resistance, mechanical properties and further hot water resistance.Type: GrantFiled: April 24, 2000Date of Patent: March 19, 2002Assignee: Daikin Industries, Ltd.Inventors: Nobuhiko Tsuda, Katsuhiko Imoto, Nobuo Mitsuhata, Masaru Nagato
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Patent number: 6353051Abstract: The present invention comprises a composition for coating synthetic grain leather having both dynamic water repellency and oil repellency comprising a copolymer or blend of copolymers and a polyurethane resin in solvent.Type: GrantFiled: January 31, 2000Date of Patent: March 5, 2002Assignee: E. I. du Pont de Nemours and CompanyInventor: Hsu-Nan Huang
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Publication number: 20010044491Abstract: Copolymerizates of methyl methacrylate and butyl methacrylate are used as plastisols in the automotive sector and as floor coverings. The invention describes a way to increase the storage stability of the plastisols by using small amounts of cross-linking agents.Type: ApplicationFiled: December 8, 1997Publication date: November 22, 2001Inventors: WILHELM ELSER, GUENTER SCHMITT, URSULA RAUSCH, THEODOR MAGER
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Patent number: 6316544Abstract: An aqueous paint composition comprising a polymeric binder and a particulate non-film-forming solid in which; (i) at least 20% by weight of the polymeric binder is a thickener which is an, amine or acid functional, acrylic addition polymer which is at least partially neutralised, the thickener being such that a 1% by weight solution of the thickener in water when fully neutralised has a viscosity of at least 10 centipoise (measured using a Brookfield Spindle number 3 at 60 rpm and 25° C.), (ii) the pvc of the coating composition is 65 to 95%; (iii) the volume solids of the composition is 8 to 30%.Type: GrantFiled: April 18, 2000Date of Patent: November 13, 2001Assignee: Imperial Chemical Industries PLCInventor: Manish Sarkar
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Publication number: 20010031811Abstract: Describes durable coating compositions and a process for the preparation of durable, broad-band antireflective coatings on organic polymeric host materials and photochromic organic polymeric host materials. The coating compositions consist essentially of a silane monomer mixture comprising glycidoxyalkylalkoxysilane and alkylalkoxysilane(s) with or without tetraalkoxysilanes; water-soluble organic polymer; a leveling amount of nonionic surfactant; a solvating amount of lower aliphatic alcohol; a catalytic amount of water-soluble acid; and water. The coating compositions may optionally contain fluorinated silane(s). Also describes a process for preparing antireflective coatings comprising the steps of coating a polymeric host material with the durable coating composition; curing the coating; treating the cured coating with an aqueous acidic solution to produce a graded refractive index; removing residual acid; and further curing the coating.Type: ApplicationFiled: February 28, 2001Publication date: October 18, 2001Inventors: Huawen Li, Bhima R. Vijayendran
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Patent number: 6258889Abstract: An object of the present invention is to provide an emulsion and its production process, which is used for coating of plastic materials such as polyolefin and has enough coating and adhesion to polyolefin materials and is excellent in compatibility with an acrylic resin and other resins and has high storage stability. An emulsion includes: A styrene-acryl-acid grafted polyolefin chloride, which includes a polyolefin chloride structure moiety (1), an acid anhydride and/or carboxylic acid structure moiety (2) bonded to the moiety (1) and a styrene-acryl based polymerization chain moiety (3) bonded to the moiety (2) excluding some of the acid anhydride groups and/or carboxylic acid groups, wherein a ratio of the moiety (2) to a sum of the moiety (1) and the moiety (2) is 1-10 weight %; an emulsifier; a basic substance made of at least one of amine compound and ammonia; and water.Type: GrantFiled: March 9, 1999Date of Patent: July 10, 2001Assignee: Nippon Bee Chemical Co., Ltd.Inventors: Katsumi Mizuguchi, Yukiko Iida, Takeshi Nakasuka, Yoshihiko Saito
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Patent number: 6225402Abstract: The present invention is directed to stable aqueous dispersions of an acrylic modified chlorinated polyolefin and a process for their preparation. The aqueous dispersions of acrylic modified chlorinated polyolefin are effective for use as coatings on treated and untreated polyolefinic substrates.Type: GrantFiled: March 15, 1999Date of Patent: May 1, 2001Assignee: McWhorter Technologies, Inc.Inventors: Kevin Jude O'Callaghan, Wayne Taylor Riddick, Michael Davis Coad, Martin Joseph Will, II
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Patent number: 6214904Abstract: An epoxy resin composition to seal semiconductors constructed of a semiconductor element, a base to support said semiconductor element, and an epoxy resin composition covering only one side opposite to the base, said epoxy resin composition comprising (A) epoxy resin, (B) hardener, and (C) inorganic filler, and giving a cured product which has (a) a flexural modulus of elasticity of 10 to 30 GPa at 23° C. and (b) a coefficient of linear expansion of 4×10−6/K to 10×10−6/K in the temperature range from 23° C. to the glass transition point, with the product of (a) and (b) being smaller than 2×10−4 GPa/K.Type: GrantFiled: January 20, 1998Date of Patent: April 10, 2001Assignee: Toray Industries, Inc.Inventors: Masayuki Tanaka, Yumiko Tsurumi
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Patent number: 6153681Abstract: Compositions which act as thermoplastic elastomers are disclosed which have an elastomeric polymer portion and a crystalline polymer portion. Also disclosed is the manufacture of thermoplastic elastomers from tetrafluoroethylene, and selected trifluorovinyl alkyl ethers (and optionally other monomers) by using a free radical polymerization in aqueous medium to produce an elastomeric copolymer of tetrafluoroethylene and one or more selected trifluorovinyl alkyl ethers, and thereafter using a free radical polymerization to form a fluorinated crystalline polymer portion. The fluorinated thermoplastic elastomer has excellent physical properties and may be used to make molding such as gaskets and seals.Type: GrantFiled: July 8, 1998Date of Patent: November 28, 2000Assignee: E. I. du Pont de Nemours and CompanyInventor: Paul G. Bekiarian
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Patent number: 6140387Abstract: Gels for thermotropic layers, obtainable by irradiating a mixture comprisinga) an uncrosslinked polymer in amounts of less than 5% by weight, based on the sum of a), b) and c),b) monomers which can be polymerized by means of free radicals, andc) water or an organic solvent, or a mixture thereof,with high-energy light.Type: GrantFiled: July 8, 1998Date of Patent: October 31, 2000Assignee: BASF AktiengesellschaftInventor: Matthias Gerst
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Patent number: 6136886Abstract: To provide a dental prosthetic material having processing characteristics and operating characteristics, which are not recognized in a conventional dental material.A biorestorative material which is a rubber elastic material having a shear modulus of 1.0-9.99 E+4 Pa to 1.0-9.99 E+9 Pa and a rubber hardness of 1 to 90, wherein a Knoop hardness can be 10 or more after polymerization.Type: GrantFiled: December 4, 1997Date of Patent: October 24, 2000Assignee: Kabushiki Kaisha ShofuInventor: Mikito Deguchi
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Patent number: 6107392Abstract: An aqueous coating composition comprising a dispersed graft copolymer characterized by macromonomers attached at a terminal end thereof to a polymeric backbone which is acid functional, wherein the functional groups have been neutralized. Such compositions provide improved properties for an automotive finish.Type: GrantFiled: September 12, 1997Date of Patent: August 22, 2000Assignee: E. I. du Pont de Nemours and CompanyInventors: Joseph Albert Antonelli, Robert J Barsotti, Lee Edwin Allen Becton, Christopher Scopazzi
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Patent number: 6107391Abstract: The present invention relates to a one-component system based on coreactive latexes which is able to lead to coatings which are crosslinkable at room temperature and post-crosslinkable by heat treatment, the said system consisting of a mixture of two particle dispersions, (A) and (B), each obtained by aqueous emulsion polymerization of a monomer composition A and B, respectively, (a) at least one free-radically polymerizable ethylenically unsaturated monomer comprising a functional group ##STR1## where X represents O or S, which enters into the monomer composition A; and (b) at least one free-radically polymerizable ethylenically unsaturated monomer comprising a masked aldehyde functional group selected from acetal, mercaptal, mercaptol, dioxolane and dithiolane, which enters into the monomer composition B.Type: GrantFiled: April 24, 1998Date of Patent: August 22, 2000Assignee: Elf Atochem S.A.Inventors: Christophe Verge, Isabelle Betremieux
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Patent number: 6103788Abstract: The present invention relates to a curable resin composition for use in water-based coating materials which includes as essential components an emulsion polymer (A) containing tertiary amino groups obtained by carrying out emulsion polymerization of a vinyl monomer containing a tertiary amino group with another copolymerizable vinyl monomer in a water-based medium, and a compound (B) containing, at least, an epoxy group and a hydrolyzable silyl group, with this composition preferably also including a water-based compound (C) obtained by adding a neutralizing agent to a vinyl polymer (I) containing acidic groups and/or tertiary amino groups so as to neutralize at least 10% of the acidic groups and/or the tertiary amino groups, and then dispersing or dissolving in water, and/or a compound (D), which is not included in compound (B), and contains hydrolyzable silyl group and/or a silanol group.Type: GrantFiled: July 22, 1997Date of Patent: August 15, 2000Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Nobuo Harui, Akifumi Yamamoto, Hidehisa Nakamura
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Patent number: 5965651Abstract: A liquid-absorbing material composition containing a crosslinking agent (component A), N-vinylcarboxamide copolymer (component B) having a functional group capable of crosslinking with the component A, water (component C), a water-soluble organic solvent (component D) and a plasticizer (component E), a molded liquid-absorbing material prepared from the composition, a method of manufacturing the molded liquid-absorbing material, and uses thereof are provided. The liquid-absorbing material composition has a high flowability, and gives a uniform continuous layer so that it can be directly molded readily into film- or sheet-shaped molded liquid-absorbing material without requiring secondary processing as in the case of conventional water-absorbing polymer.Type: GrantFiled: November 22, 1996Date of Patent: October 12, 1999Assignee: Showa Denko K.K.Inventors: Tetsuya Ishii, Tetsuhiko Yamaguchi
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Patent number: 5882783Abstract: Silver halide photographic material comprising finely divided solid spherical polymer beads having an average particle size between about 0.1 and about 10 .mu.m and having a glass transition temperature of at least 40.degree. C. The polymer beads are prepared by a one step reaction in an aqueous reaction medium whereby the polymer beads are formed by the simultaneous reaction of1) a silane monomer comprising an .alpha.,.beta.-ethylenically unsaturated group,2) at least one .alpha.,.beta.-ethylenically unsaturated monomer, different from the silane monomer, capable of forming a polymer that is soluble in the monomer(s) present in the aqueous solvent mixture but which is insoluble in water,3) a free radical-forming polymerization initiator that is soluble in the aqueous solvent mixture, and4) a graft-polymerizable polymer containing hydrophilic groups, and capable of forming a graft polymer that remains soluble in the aqueous reaction mixture.Type: GrantFiled: October 23, 1997Date of Patent: March 16, 1999Assignee: AGFA-Gevaert, N.V.Inventors: Daniel Timmerman, Ronny De Clercq, Geert Defieuw, Wolfgang Podszun, Rainer Brandt
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Patent number: 5883163Abstract: A light conducting plate for back lighting which comprises a methacrylic copolymer resin comprising 90 to 99.5% by weight of a methyl methacrylate unit and 0.5 to 10% by weight of an alkyl acrylate unit containing 1 to 8 carbon atoms in the alkyl moiety thereof and having a reduced viscosity of 35 to 60 ml/g in chloroform, the chromaticity of said light conducting plate having x and y color coordinates both ranging from 0.01 to 0.001 as obtained according to JIS-Z-8701.Type: GrantFiled: August 19, 1997Date of Patent: March 16, 1999Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventor: Nobuyuki Hosonuma
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Patent number: 5883175Abstract: A stainproofing composition having water- and oil-repellency, containing a polymer emulsion prepared by dissolving at least one polyfluoroalkyl group-containing compound selected from the group consisting of a polyfluoroalkyl group-containing (meth)acrylate polymer, a polyfluoroalkyl group-containing polyester, a polyfluoroalkyl group-containing maleate and a polyfluoroalkyl group-containing fumarate in at least one monomer selected from the group consisting of a (meth)acrylate ester, a vinyl ester, a styrene compound and vinylidene chloride, vinyl chloride, emulsifying the resultant solution in water to prepare an oil-in-water emulsion, and polymerizing the emulsion exhibits excellent water- and oil-repellency and stainproof properties. It is also superior in sedimentation stability of the emulsion.Type: GrantFiled: March 5, 1997Date of Patent: March 16, 1999Assignee: Daikin Industries Ltd.Inventors: Motonobu Kubo, Masamichi Morita, Hiroko Ogisu, Takashi Enomoto, Akihiko Ueda
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Patent number: 5852095Abstract: Disclosed is an aqueous, silicone-modified acrylate polymer emulsion, which is an acrylate polymer emulsion produced by subjecting a monomer system (A) comprising an acrylate monomer selected from the group consisting of an acrylic ester, a methacrylic ester and a mixture thereof to emulsion polymerization in an aqueous medium in the presence of emulsifier (B) selected from the group consisting of a sulfonic acid group-containing ethylenically unsaturated monomer, a sulfonate group-containing ethylenically unsaturated monomer, and a mixture thereof, wherein the acrylate polymer emulsion is silicone-modified using a specific, silicone structure-containing modifier (C) during or after the emulsion polymerization.Type: GrantFiled: July 10, 1996Date of Patent: December 22, 1998Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Toyoaki Yamauchi, Yasuyuki Kamiyama
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Patent number: 5849837Abstract: A latex comprising a free radically polymerized product, said product comprising at least two ethylenically unsaturated monomers, at least one of said monomers having an isocyanate group which is sterically hindered or blocked and at least one other of said ethylenically unsaturated monomers being free of isocyanate functional groups, in an aqueous emulsion in the presence of a free-radical polymerization catalyst, in a manner such that the sterically hindered or blocked isocyanate groups distribute in the outer layer of the latex particle and the method of making such.Type: GrantFiled: October 13, 1997Date of Patent: December 15, 1998Assignee: H. B. Fuller Licensing & Financing, Inc.Inventors: Yi Wei, Wayne P. Miller, Catherine A. Wenz
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Patent number: 5849824Abstract: The invention provides for a thermoset or thermoplastic gel composition containing a polymer with anhydride groups along the polymer backbone at least at outset of the fabrication process and an extender fluid, optionally including thermally conductive fillers. The gel compositions are useful for sealing wires, vibration dampening, sporting goods, and toys.Type: GrantFiled: February 6, 1996Date of Patent: December 15, 1998Assignee: Raychem CorporationInventors: Frank Mercer, Hendrik Graulus
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Patent number: 5753728Abstract: Polymeric compositions well suited for conversion into electroconductive shaped articles, e.g., films, comprise at least one convertible polymer (Pm) and at least one amphiphilic organic compound (B) which comprises a charge transfer complex or a radical ion salt having the formula (I): D.sub.d A.sub.a Z.sub.z, in which D is an electron donor; A is an electron acceptor; Z is a doping agent which itself can be a non-amphiphilic electron donor or electron acceptor, with the proviso that at least one of D and A is amphiphilic and contains at least one saturated or unsaturated hydrocarbon substituent having at least 10 carbon atoms; d is a number equal to or greater than 0; a is a number equal to or greater than 0; and z is a number equal to or greater than 0, with the further proviso that at least one of the symbols d and a is a number greater than 0.Type: GrantFiled: June 5, 1995Date of Patent: May 19, 1998Assignee: Rhone-Poulenc ChimieInventors: Bernard Chauvel, Joel Richard
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Patent number: 5744211Abstract: A nitrile rubber-polyvinyl chloride polyblend rubber composition containing a paraffinic process oil alone or a combination of paraffinic process oil and one or more other lubricants, which is used as molded articles such as door mirror bracket. The molded articles of the present invention give a much lower sliding resistance.Type: GrantFiled: January 7, 1994Date of Patent: April 28, 1998Assignee: Toyoda Gosei Co., Ltd.Inventors: Rikizou Nakata, Hidenori Hayashi
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Patent number: 5741845Abstract: The invention concerns a process for the production of block copolymers or aqueous dispersions and emulsions thereof, whereby azo macroinitiators are reacted with radical-polymerizable monomers or a mixture of several radical-polymerizable monomers. The azo macroinitiators are obtained by reacting simple reactive azo compounds with prepolymers with a molecular weight between 400 and 20000, which possess at least 2 functional groups, e.g. polyurethanes or polyesters.The aqueous block copolymer dispersions and emulsions produced according to the invention are suitable for use for the production of paints, adhesives etc.Type: GrantFiled: June 7, 1995Date of Patent: April 21, 1998Assignee: Dainippon Ink & Chemicals Inc.Inventors: Rainer B. Frings, Shigeru Komazaki, Gerwald F. Grahe
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Patent number: 5659058Abstract: A process for rendering polymer compositions antistatic and the products of such process are described. The polymeric material is treated with a combination of selected trineoalkoxy amino zirconates and trineoalkoxy sulfonyl zirconates. These latter materials are soluble in the polyolefins, polyesters, polyamides, polyethers, polycarbonates, and polystyrenes and remain stable during the processing of these polymers. Furthermore, the antistatic agents of the invention are thermally stable to temperatures up to 825.degree. F., do not "bloom" during the polymer processing, and are colorless, permanent, non-blooming and non-moisture dependent.Type: GrantFiled: May 31, 1995Date of Patent: August 19, 1997Assignee: Kenrich Petrochemicals, Inc.Inventor: Salvatore Joseph Monte
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Patent number: 5646210Abstract: A method is provided for the preparation of finely divided solid spherical polymer beads having an average particle size between about 0.1 and about 10 .mu.m and having a glass transition temperature of at least 40.degree. C. The method is a one step reaction in an aqueous reaction medium and said polymer beads are formed by the simultaneous reaction of1) a silane monomer comprising an .alpha.,.beta.-ethylenically unsaturated group,2) at least one .alpha.,.beta.-ethylenically unsaturated monomer, different from said silane monomer, capable of forming a polymer that is soluble in the monomer(s) present in said aqueous solvent mixture but which is insoluble in water3) a free radical-forming polymerization initiator that is soluble in the aqueous solvent mixture, and4) a graft-polymerizable polymer containing hydrophilic groups, and capable of forming a graft polymer that remains soluble in the aqueous reaction mixture.Type: GrantFiled: August 15, 1995Date of Patent: July 8, 1997Assignee: AGFA-Gevaert, N.V.Inventors: Daniel Timmerman, Ronny De Clercq, Geert Defieuw, Wolfgang Podszun, Rainer Brandt
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Patent number: 5612406Abstract: The invention concerns a process for the production of block copolymers or aqueous dispersions and emulsions thereof, whereby azo macroinitiators are reacted with radical-polymerizable monomers or a mixture of several radical-polymerizable monomers. The azo macroinitiators are obtained by reacting simple reactive azo compounds with prepolymers with a molecular weight between 400 and 20000, which possess at least 2 functional groups, e.g. polyurethanes or polyesters.The aqueous block copolymer dispersions and emulsions produced according to the invention are suitable for use for the production of paints, adhesives etc.Type: GrantFiled: April 3, 1996Date of Patent: March 18, 1997Assignee: Dainippon Ink & Chemicals Inc.Inventors: Rainer B. Frings, Shigeru Komazaki, Gerwald F. Grahe
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Patent number: 5589534Abstract: An aqueous coating composition is provided which comprises a generally lipophilic crosslinkable binder, optionally a chemical curing/crosslinking agent for the crosslinkable binder, and a special reactive amphiphatic emulsifier comprising a lipophilic backbone having separately pendant therefrom (a) at least one activated unsaturated group and (b) at least one of a specified class of hydrophilic polyoxyalkylene groups, and possessing an HLB value of at least 6.0.Type: GrantFiled: January 10, 1994Date of Patent: December 31, 1996Assignee: Akzo Nobel N.V.Inventors: Carl W. Metzger, Bernhard H. Feith, Ute Gruber, Angelika A. Zedler, Mario M. M. van Wingerde
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Patent number: 5587404Abstract: Gels for thermotropic layers, obtainable by irradiation of a mixture comprisinga) an uncrosslinked polymer,b) monomers capable of free-radical polymerization andc) water or an organic solvent or mixtures thereof, with high-energy light.Type: GrantFiled: April 18, 1995Date of Patent: December 24, 1996Assignee: Basf AktiengesellschaftInventors: Hubertus Kroner, Ekkehard Jahns, Manfred Mielke
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Patent number: 5548018Abstract: An aqueous primer composition comprising a copolymer wherein a cationic monomer, a specific alkoxysilane monomer, a silane macromonomer and an ethylenically unsaturated monomer are contained in aqueous medium. For this reason, regardless of the alkalinity of the substrate, the aqueous primer composition can form a highly water-resistant, alkali-resistant, tough film. Furthermore, compared with the prior art, a higher concentration and a lower viscosity, so that the resulting primer composition shows excellent penetration into the substrate at high concentration and provides for sufficient substrate-reinforcing and water-proofing effects. Moreover, when forming a film thereby and forming a finish layer thereon, this composition shows a high affinity for the top coating or adhesive to insure a firm integration of the finish layer with the substrate surface.Type: GrantFiled: May 19, 1995Date of Patent: August 20, 1996Assignee: National Starch and Chemical Investment Holding CorporationInventor: Masao Maekawa
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Patent number: 5482991Abstract: Novel pressure-sensitive adhesives are described which show significant resistance to solvents and working fluids such as jet fuel, hydraulic fluid, de-icing fluid and the like. Adhesive compositions comprise nonaqueous dispersions of copolymers of acrylic monomers prepared in the presence of a vinyl-substituted fluoroalkyl siloxane having the general formula I and a macromonomeric stabilizer. The adhesives prepared from the adhesive compositions exhibit excellent adhesion to glass, aluminum, and low surface-energy materials such as fluoroalkyl siloxane elastomers.Type: GrantFiled: September 16, 1994Date of Patent: January 9, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Ramesh C. Kumar, Albert I. Everaerts, Yvan A. Bogaert
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Patent number: 5472996Abstract: An aqueous dispersed resin composition comprising (A) an aqueous dispersion of carbonyl-containing resin particles having an inner layer and an outermost layer, which is obtained by emulsion polymerization of a monomer mixture comprising (a) not less than 0.5% by weight of a carbonyl-containing monomer containing at least one aldo group or keto group and one polymerizable unsaturated double bond in the molecule thereof, (b) not less than 0.5% by weight of an ethylenically unsaturated carboxylic acid, (c) not more than 99% by weight of a monomer having a water-solubility of not more than 8 g/100 ml at 20.degree. C.Type: GrantFiled: April 7, 1994Date of Patent: December 5, 1995Assignee: Mitsubishi Yuka Badische Co., Ltd.Inventors: Ryutaro Hayashi, Masahiro Aoki, Toyoji Tomita, Yoshinori Kato, Takeo Tsukamoto, Takeshi Awata
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Patent number: 5434213Abstract: Broadly, the present invention is directed to a pressure sensitive adhesive that possesses enhanced adhesion to low surface energy substrates. The inventive PSA comprises the free-radical polymerization reaction product prepared in the presence of a free-radical initiator and dispersed in organic solvent of between about 0.5% and 10%, by weight of the non-volatile solids of the reaction product, of an organic solvent soluble, high ethylene-containing polymer; and a mixture of ethylenically-unsaturated monomers. Such mixture of monomers comprises between 0% and not substantially above about 10%, by weight of the non-volatile solids of the reaction product, of an ethylenically-unsaturated carboxylic acid or anhydride; and the balance being a non-carboxyl/non-anhydride-functional vinyl monomer or mixture of monomers. The T.sub.g of the polymerized mixture of monomers is not substantially above about -20.degree. C.Type: GrantFiled: June 30, 1993Date of Patent: July 18, 1995Assignee: Ashland Oil, Inc.Inventors: Gang-Fung Chen, Laurence G. Dammann
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Patent number: 5412022Abstract: A lyo gel is provided in which the gelling agent is an organic, fully synthetic polymer, which is crosslinked via its carboxylic acid groups and via metal compounds, and the swelling agent is a low-volatility, inert organic liquid having a volatility, as defined by its evaporation loss, of less than 0.5% by weight after 2 hours at 105.degree. C. in accordance with ASTM D 972. The lyo gel is useful for sealing devices involving the use of electrical current because the initially two-component reaction solution is sufficiently liquid at room temperature to fill even small spaces, such as gaps and joints between bodies.Type: GrantFiled: June 14, 1993Date of Patent: May 2, 1995Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Johannes Andres, Juergen Wichelhaus, Reimar Heucher
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Patent number: 5393823Abstract: A coating resin composition comprising (I) a vinyl polymer obtained by polymerizing (A) 1 to 100% by weight of a vinyl monomer having at least one unsaturated double bond and at least one siloxy group per molecule and (B) 99 to 0% by weight of a copolymerizable vinyl monomer other than (A) in the presence of a radical generator and (II) a curing agent having reactivity with the hydroxyl groups generated from the polymer (I), and optionally (III) a siloxy group-dissociating catalyst.Type: GrantFiled: October 18, 1993Date of Patent: February 28, 1995Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Hidetoshi Konno, Masataka Ooka, Hirofumi Takeda, Hiroshi Sakamoto
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Patent number: 5374684Abstract: Clusters of water-swellable polymer particles, having high rates of absorbency without gel-blocking are prepared by suspending water-swellable polymer particles in an inert hydrophobic liquid, such as hydrocarbon, and slowly adding to the particles a suspension of an aqueous solution optionally containing an .alpha.,.beta.-ethylenically unsaturated monomer in an inert hydrophobic liquid.Type: GrantFiled: September 1, 1993Date of Patent: December 20, 1994Assignee: The Dow Chemical CompanyInventor: Eva F. Tai
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Process for producing small polymer phase droplet microemulsions by multistep aqueous phase addition
Patent number: 5354801Abstract: A novel method for producing compositions comprising polymeric solution droplets is disclosed. The products are useful as retention aids in paper pulps, as flocculating agents for flocculating a wide variety of dispersions of suspended solids and as drive fluids for use in oil recovery.Type: GrantFiled: August 12, 1993Date of Patent: October 11, 1994Assignee: Cytec Technology Corp.Inventor: Michael P. O'Toole -
Patent number: 5336712Abstract: This invention is a process for producing stable polymer emulsions and latexes with an average particle size of less than one micron. The polymers are block copolymers of conjugated dienes and vinyl aromatic hydrocarbons which may or may not contain polar functionality. The process comprises making a polymer cement of the polymer and a blend of a solvent for the polymer and a cosolvent(s), emulsifying the polymer cement by adding it to an aqueous phase containing at least one surfactant and removing the solvent, cosolvent and excess water.Type: GrantFiled: March 23, 1993Date of Patent: August 9, 1994Assignee: Shell Oil CompanyInventors: David M. Austgen, Jr., Jeffrey G. Southwick
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Patent number: 5314957Abstract: A method for preparing a molded article of a crosslinked polyolefin which comprises the steps of bringing a composition comprising a copolymer of an alkenylsilane and an olefin and a compound having at least two unsaturated bonds into contact with a catalyst selected from the group consisting of salts of rhodium, alkoxy compounds and metallocene compounds of metals in the group IVa of the periodic table, combinations of the metallocene compounds and organic metal compounds, and then molding the composition, or carrying out the contact simultaneously with the molding, or molding the composition, and then bringing the molded article into contact with the catalyst, and if necessary, further heating the molded article to accelerate a crosslinking reaction.The molded article of the crosslinked polyolefin obtained by the method of the present invention has a high crosslinking density and is excellent in mechanical properties, solvent resistance and heat resistance.Type: GrantFiled: December 17, 1992Date of Patent: May 24, 1994Assignee: Mitsui Toatsu Chemicals, Inc.Inventors: Tadashi Asanuma, Kazuhiko Yamamoto