At Least One Solid Polymer Derived From Ethylenic Reactants Only Patents (Class 524/197)
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Patent number: 6312631Abstract: A polyolefin composition having enhanced dyeing capabilities containing: (a) a polyolefin; (b) from 0.01 to 10% by weight, based on the weight of the polyolefin in, of a migratable amphiphile, excluding phenolic and sulfur-containing stabilizers and n-octyl phenyl salicylate; and (c) from 0.01 to 1000 ppm of a transition metal, based on the weight of the polyolefin.Type: GrantFiled: January 13, 2000Date of Patent: November 6, 2001Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Norbert Bialas, Paul Birnbrich, Herbert Fischer, Joerg-Dieter Klamann, Raymond Mathis
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Patent number: 6174947Abstract: The inventors provide herein polymeric vehicles effective for depositing a coating composition that is curable upon exposure to the atmosphere and which has a low content of a volatile organic component, a high content of nonvolatile materials, a low viscosity, and a short drying time determined under common atmospheric conditions. The polymeric vehicle of the invention contains a polyurethane obtained by combining a polyisocyanate and a polyol having pendant hydroxyl groups, a polyunsaturated resin, oil, and a drier component. The inventors also provide the coating compositions themselves. The compositions have sufficiently low viscosities as to be readily applied to a surface, and which dry to hardness in less than 4.5 hrs.Type: GrantFiled: July 27, 1998Date of Patent: January 16, 2001Assignee: McWhorter TechnologiesInventors: Robert R. Harris, Andrea L. Bander
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Patent number: 6150441Abstract: This invention provides a composition for double glazing use which satiskfies the requirement of both low moisture permeability and weather-resistant adhesiveness and also has rapid hardenability by addition type curing, can be produced by a line process and is able to be used as a one-pack sealant having excellent shelf stability and mechanical properties, and the composition for double glazing use of this invention comprises (A) a hydrocarbon polymer having at least one alkenyl group in its molecule and a molecular weight of 500 to 300,000, (B) a curing agent having at least two hydrosilyl groups in its molecule, (C) a hydrosilylation catalyst and (D) a tackifier as essential components. When the composition for double glazing use requires one-pack adhesive property, shelf stability improving agent (E) is further used in addition to the components (A) to (D). An isobutylene polymer is desirable as the component (A), and a polyorgano hydrogen siloxane as the component (B).Type: GrantFiled: July 8, 1997Date of Patent: November 21, 2000Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Makoto Chiba, Masashi Sakaguchi
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Patent number: 6130267Abstract: The invention provides a fire retardant composition comprising a dispersion of a solid fire retardant such as melamine, ammonium polyphosphate or guanidine carbonate in a liquid organic polyisocyanate which contains dispersed polymer particles. The preferred content of solid fire retardant is from 10 to 100% by weight and the preferred content of polymer particles is from 2 to 30% by weight. The compositions of the invention are suitable for the preparation of flexible and rigid polyurethane foams.Type: GrantFiled: July 13, 1992Date of Patent: October 10, 2000Assignee: Imperial Chemical Industries PLCInventors: Ernst Otto Dueber, Louis Muller
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Patent number: 5965645Abstract: A plastisol composition containing plasticizers, fillers and styrene copolymers selected from (a) styrene, .alpha.-methyl styrene and p-methyl styrene, and (b) 3 to 20% by weight, based on the weight of the styrene copolymers, of a comonomer selected from methacrylic acid, acrylic acid and itaconic acid, and optionally (c) a crosslinking comonomer, wherein the maximum of the molecular weight distribution of said copolymers is greater than 1 million as determined by gel permeation chromatography.Type: GrantFiled: December 4, 1996Date of Patent: October 12, 1999Assignee: Teroson GmbHInventors: Michael Beck, Wolfgang Ritter, Klaus Ruch
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Patent number: 5900463Abstract: A composition comprising (A) polyvinyl alcohol having an amino group connected to a phenyl group and (B) at least one water resistance-imparting agent selected from polyepoxy compound, aldehyde compound, polyisocyanate compound, and water-soluble oxidizing agent; the composition exhibits outstanding water resistance even when used at room temperature; the composition finds use as a woodworking adhesive, plywood adhesive, and two-part instantaneously curing adhesive which does not require heating for curing.Type: GrantFiled: October 7, 1997Date of Patent: May 4, 1999Assignee: Kuraray Co., Ltd.Inventors: Seiji Tanimoto, Masato Nakamae, Toshiaki Sato
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Patent number: 5863657Abstract: An adhesive for bonding together a first substrate made of vinylidene fluoride resin and a second substrate comprises an elastic fluorohydrocarbon resin, a polyisocyanate, and an organic solvent. This elastic fluorohydrocarbon resin is obtained by graft copolymerization of a fluorine-containing copolymer with a vinylidene fluoride monomer. This copolymer is prepared by copolymerizing at least one first fluorine-containing monomer with at least one unsaturated monomer that has peroxy bond. The adhesive itself is superior in durability, and bond strength between the first and second substrates is also superior.Type: GrantFiled: December 27, 1995Date of Patent: January 26, 1999Assignee: Central Glass Company, LimitedInventors: Chikashi Kawashima, Katunori Kawamura
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Patent number: 5763529Abstract: Provided is an aqueous-dispersible, self-crosslinkable interpenetrating polymer network composition which comprises an aqueous-dispersible, isocyanate-based thermoplastic polymer containing urethane and/or urea linkage and an interpenetrating polymer containing latent reactive functionality, whereby the two polymers are at least partially entangled with each other on a molecular level. Also provided are aqueous dispersions of such self-crosslinkable interpenetrating polymer networks, methods of producing such aqueous dispersions, coating compositions therefrom and coated substrates and films obtained from it.Type: GrantFiled: March 31, 1994Date of Patent: June 9, 1998Assignee: Cytec Technology Corp.Inventor: Howard Robert Lucas
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Patent number: 5397629Abstract: Aqueous fluoropolymer formulations containing in finely divided form from 15 to 75% by weight of a fluoropolymer which preferably has at least 40% by weight of tetrafluoroethylene units, from 0.5 to 10% by weight of an organic compound which has at least two, preferably 2-4, isocyanate groups and, optionally, up to 20% by weight of auxiliary or additive substances are prepared and used for coating yarn, in particular sewing yarn, and textile sheet materials.Type: GrantFiled: June 23, 1993Date of Patent: March 14, 1995Assignee: Hoechst AktiengesellschaftInventor: Bernhard Jahn
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Patent number: 5372731Abstract: Textiles can be finished in a wash- and cleaning-resistant manner by impregnation if aqueous dispersions are employed for this purpose which contain reactive copolymers and/or cocondensates having perfluoroalkyl groups and water-dispersible polyisocyanate mixtures whose NCO groups are not blocked.Type: GrantFiled: March 3, 1993Date of Patent: December 13, 1994Assignee: Bayer AktiengesellschaftInventors: Gisbert Michels, Hans-Albert Ehlert, Hans-Josef Laas, Joachim Probst, Helmut Reiff, Rolf-Volker Meyer
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Patent number: 5338788Abstract: A polyvinyl chloride plastisol sealer composition comprising (A) a polyvinyl chloride resin containing hydroxy group or carboxy group in the molecule, (B) a blocked polyisocyanate compound, and (C) an isocyanuric acid compound containing two or more groups selected from epoxy group, hydroxy group and carboxy group in the molecule, which is particularly useful for sealing the panels of automobile body without undesirable cracking of the coating films of the intercoat-paint and/or topcoat-paint applied on the sealer.Type: GrantFiled: June 4, 1992Date of Patent: August 16, 1994Assignee: Sunstar Giken Kabushiki KaishaInventors: Koji Miyataka, Takashi Nakayama
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Patent number: 5284918Abstract: A reactive plastisol composition includes a one component, solventless, storage stable, low temperature curable polyurethane composition and a thermoplast plastisol. The urethane composition is formed from a blocked isocyanate prepolymer and a curing agent. The isocyanate prepolymer is the reaction product of a polyol, a diisocyanate, and a ketoxime blocking agent. The diisocyanate has the formula ##STR1## in which R.sub.1 -R.sub.4 are each a C.sub.1 -C.sub.6 alkyl which can be linear or branched, R.sub.5 is a phenylene or naphthalene ring which is unsubstituted or substituted by one or more C.sub.1 -C.sub.12 linear or branched chained alkyl groups or halo groups, and m and n are each integers from 0 to 6. A polyurethane curing catalyst can also be used.Type: GrantFiled: May 1, 1991Date of Patent: February 8, 1994Assignee: W. R. Grace & Co.-Conn.Inventors: Truc-Chi T. Huynh-Tran, Felek Jachimowicz, Alexander C. Paton
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Patent number: 5242962Abstract: Aqueous fluoropolymer formulations containing in finely divided form from 15 to 75% by weight of a fluoropolymer which preferably has at least 40% by weight of tetrafluoroethylene units, from 0.5 to 10% by weight of an organic compound which has at least two, preferably 2-4, isocyanate groups and, optionally, up to 20% by weight of auxiliary or additive substances are prepared and used for coating yarn, in particular sewing yarn, and textile sheet materials.Type: GrantFiled: February 2, 1989Date of Patent: September 7, 1993Assignee: Hoechst AktiengesellschaftInventor: Bernhard Jahn
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Patent number: 5179146Abstract: Modified polyisocyanates having an NCO group content of from 10 to 45% by weight, comprising a a) a polyisocyanate component consisting essentially of an organic polyisocyanate having an NCO group content of from 15 to 50% by weight which is liquid at room temperature, and b) 2 to 100% by weight, based on the weight of component a), of a polymer modifier consisting of at least one graft rubber which is dispersed in swollen form in component a), and a process for the production of the new modified polyisocyanates are described. The modified polyisocyanates are also useful in the production of plastics by the isocyanate polyaddition process.Type: GrantFiled: March 30, 1992Date of Patent: January 12, 1993Assignee: Bayer AktiengesellschaftInventors: Hanns-Peter Muller, Geza Avar, Christian Weber, Karl-Heinz Dorner, Alexander Karbach, Christian Lindner, Rolf Dhein
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Patent number: 5155154Abstract: A polyvinyl chloride-free plastisol comprisesa) 5 to 50% by weight of a methyl methacrylate-homopolymer or coplymerb) 10 to 50% by weight of a plasticiser,c) 20 to 70% by weight of a fillerd) 2 to 30% by weight of a blocked poly isocyanate, ande) 0.2 to 5% by weight of a polyamine. The plastisol is particularly useful for sealing spot welded joints in, for example, motor vehicle manufacture.Type: GrantFiled: December 22, 1988Date of Patent: October 13, 1992Assignee: Dr. Alois Stankiewicz GmbHInventors: Karl-Heinz Krummel, Ernst Lohmar, Thomas Stankiewicz
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Patent number: 5115009Abstract: Compositions comprising linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and certain polar additives containing at least two groups of substantial carbon number show improved processing properties. A method of improving the processing properties of the linear alternating polymer comprises incorporating therein at least one of the polar additives.Type: GrantFiled: March 19, 1991Date of Patent: May 19, 1992Assignee: Shell Oil CompanyInventors: Edgar J. Smutny, William P. Gergen, Antonius A. Broekhuis, Franciscus C. Groenland, Johan M. Beijen
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Patent number: 4983716Abstract: This invention relates to high solids alkyds, non-aqueous dispersions, and coating compositions containing those alkyds and non-aqueous dispersions, having non-volatile materials contents greater than about 75% NVM, with very low volatile organic contents of less than 305 g/l, which exhibit excellent stability, viscosity and tack-free and dry times when formulated as air dry coating compositions.Type: GrantFiled: January 16, 1990Date of Patent: January 8, 1991Assignee: The Sherwin-Williams CompanyInventors: Madhukar Rao, Richard F. Tomko, Daniel R. Sayre
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Patent number: 4962135Abstract: Self polishing anti-fouling marine paint compositions, that can be prepared free of organotin, comprise: (i) at least one sparingly soluble organic compound that is an organic acid or an organic acid salt preferably selected from rosin-based compounds, metal salts of saturated fatty acids, either branched-chain or alicyclic; (ii) a copolymer prepared from at least one acrylic monomer, at least one monomer selected from C.sub.1 -C.sub.4 alkyl methacrylates and styrene, and at least one monomer selected from cyclic tertiary amides or imides having an alkenyl group; (iii) at least one sparingly soluble metalliferous pigment; (iv) at least one marine biocide which can also function as the pigment; and optionally (iv) one or more highly insoluble pigments.Type: GrantFiled: April 28, 1988Date of Patent: October 9, 1990Assignee: Labofina, S.A.Inventors: Jozef Braeken, Jean-Paul Dekerk, Hendrik van der Poel, Jozef Verborgt, Peter Haak
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Patent number: 4948824Abstract: Compositions of matter based on the reaction product of a dioxime compound and a polyisocyanate compound, made by reacting the compounds in an inert organic liquid in such a proportion that the ratio of oxime groups to isocyanate groups in the reaction is greater than 2:1, and is preferably about 2.5:1. The reaction product may be used in an adhesive composition which further includes an elastomer with a degree of unsaturation of greater than two mole percent, which is preferably an ethylene-propylene-diene terpolymer, and which may further include a film-forming adjunct, an inert filler material, and an inert solvent. The adhesive composition, which does not require an oxidizing agent, may be made into a liquid adhesive composition by mixing with an inert organic liquid.Type: GrantFiled: March 17, 1989Date of Patent: August 14, 1990Assignee: Lord CorporationInventors: Robert A. Auerbach, George W. Watson
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Patent number: 4894403Abstract: Polyisocyanates containing dissolved or colloidally dispersed polymers containing rigid moieties are disclosed. Included among the dissolved or colloidally dispersed polymers are polymers ethylenically unsaturated polyaromatic compounds, ethylenically unsaturated benzoic acid derivatives, ethylenically unsaturated steroid derivatives, and rigid aromatic polyurethane and/or polyurea polymers. The dissolved or colloidally dispersed polymers provide substantial reinforcement and physical property improvement to polyurethane or polyurea polymers made from the polyisocyanate solution or dispersion.Type: GrantFiled: July 14, 1987Date of Patent: January 16, 1990Assignee: The Dow Chemical CompanyInventors: Oomman P. Thomas, Richard D. Peffley, Earl E. Burt, III
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Patent number: 4888373Abstract: A 35-40% weight spray solids coating composition can be achieved with a binder consisting of about 35% polyester, 30% melamine crosslinker and 30% acrylic resin containing a thixotropic agent.Type: GrantFiled: June 23, 1988Date of Patent: December 19, 1989Assignee: E. I. Du Pont de Nemours and CompanyInventor: Sonja M. J. Abrams
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Patent number: 4888372Abstract: A 20-25% weight spray solids coating composition can be achieved with a binder consisting of about 30% polyester, 25% melamine crosslinker, 7% of cellulose acetate butyrate and 25% acrylic resin containing a thixotropic agent.Type: GrantFiled: June 23, 1988Date of Patent: December 19, 1989Assignee: E. I. Du Pont De Nemours and CompanyInventors: Sonja M. J. Abrams, Robert V. A. Vervoort
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Patent number: 4863986Abstract: Fluorinated polyisocyanates particularly suitable for the formulation of coating paints and compositions in the electronics industry, obtained by starting from a perfluoropolyether polyol having a functionality higher than 2 and from a diisocyanate, the resulting derivative having isocyanic functions being further condensed with a polyol in order to obtain a polyisocyanate with a high degree of functionality, and containing from 1.5% to 9% by weight of --NCO groups.Type: GrantFiled: June 10, 1988Date of Patent: September 5, 1989Assignee: Montedison S.p.A.Inventors: Alberto Re, Marco De Giorgi
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Patent number: 4852884Abstract: Golf balls exhibiting a satisfactory coefficient of restitution while having higher Riehle compression and hence a softer feel are provided by the inclusion of a metallic dithiocarbamate in the core formulation.Type: GrantFiled: December 24, 1987Date of Patent: August 1, 1989Assignee: Spalding & Evenflo Companies, Inc.Inventor: Michael J. Sullivan
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Patent number: 4839406Abstract: A fluidity controlling agent for paints is provided which comprises a product obtained by reacting paratoluidine and hexamethylene diisocyanate at a particular equivalent ratio (NH.sub.2 NCO) and gives thixotropic properties to the paint without sagging at a large coating film thickness.Type: GrantFiled: September 14, 1987Date of Patent: June 13, 1989Assignee: Nippon Oil and Fats Co., Ltd.Inventors: Osamu Nagura, Osamu Inoue, Yoshimasa Kamikuri, Norikazu Takizuka
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Patent number: 4830670Abstract: This invention relates to an erasable ballpoint pen ink before being cured, especially one which can be easily erased by using an eraser directly after it is written on paper, but which, after a longer period of time, becomes cured. The erasable ballpoint pen ink comprises an alcohol soluble pigment, a carrier, solvent and glycerol in such a way that the above mentioned components are in the weight-percentage ratio as follows, when the total weight of the ink is 100%: alcohol soluble pigment 10-20%, carrier 40-70%, solvent 15-35%, and glycerol 3-15%.Type: GrantFiled: June 18, 1987Date of Patent: May 16, 1989Inventor: Jackson M. Danyu
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Patent number: 4792574Abstract: A stable, low viscosity polymer/polyisocyanate dispersion wherein the polymer is produced by polymerizing an ethylenically unsaturated macromolecular monomer, a functional monomer, and another ethylenically unsaturated monomer, together with a polyurethane foam, elastomer, adhesive, sealant, or coating produced therefrom and a method for fabricating the foam.Type: GrantFiled: January 25, 1988Date of Patent: December 20, 1988Assignee: Olin CorporationInventor: Phillip T. Berkowitz
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Patent number: 4698424Abstract: The present invention relates to isocyanato-isocyanurates corresponding to the formula ##STR1## in which X.sub.1, X.sub.2 and X.sub.3 may be the same or different and represent radicals corresponding to the formula ##STR2## wherein R.sup.1 and R.sup.2 may be the same or different and represent hydrogen or C.sub.1 -C.sub.12 alkyl groups, and p is a whole or (on a statistical average) fractional number of from 1 to 5.The present invention also relates to a process for producing these isocyanato-isocyanurates and additionally relates to the use of the new isocyanato-isocyanurates, optionally blocked by blocking agents for isocyanate groups, as the isocyanate component in the produciton of isocyanate polyaddition products, preferably polyurethane lacquers.Type: GrantFiled: October 31, 1984Date of Patent: October 6, 1987Assignee: Bayer AktiengesellschaftInventors: Theodor Engbert, Hartmut Knofel, Gerhard Wegener
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Patent number: 4695596Abstract: A stable, low viscosity polymer/polyisocyanate dispersion wherein the polymer is produced by polymerizing an ethylenically unsaturated macromolecular monomer with another ethylenically unsaturated monomer, together with a polyurethane foam, elastomer, adhesive, sealant, or coating produced therefrom and a method for fabricating the foam.Type: GrantFiled: August 28, 1986Date of Patent: September 22, 1987Assignee: Olin CorporationInventor: Phillip T. Berkowitz
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Patent number: 4663377Abstract: The present invention is directed to a polyisocyanate preparation dispersible in water and having an average NCO functionality of about 2.0 to 3.5 which contains(a) an aliphatic polyisocyanate or a mixture of aliphatic polyisocyanates; and(b) a quantity of an emulsifier sufficient to ensure the dispersibility of the polyisocyanates.The present invention is also directed to the use of this polyisocyanate preparation as an additive for aqueous adhesives based on polymers dispersed in water.Type: GrantFiled: May 29, 1986Date of Patent: May 5, 1987Assignee: Bayer AktiengesellschaftInventors: Rudolf Hombach, Helmut Reiff, Manfred Dollhausen
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Patent number: 4623686Abstract: The invention relates to novel compositions for coating purposes comprising(A) polyvinyl plastisols,(B) surface modified, finely divided, stabilized polyisocyanates with retarded reactivity, in which 0.1 to 25 equivalents-% of the isocyanate groups of the unstabilized polyisocyanate have been deactivated on the surface, preferably by a reaction with polyamines, hydrazine, alkylhydrazines, polyhydrazide compounds and/or selected amidine and/or guanidine compounds; and(C) plasticizers and/or lightly branched, relatively high molecular weight polyhydroxyl compounds having melting points below 60.degree. C. and compatible with PVC plastisol.The invention also relates to the use of these storage stable but heat curable mixtures as primers for PVC coatings on plastics, foils, textile sheet products or filaments and as primer coats for flocking.Type: GrantFiled: January 24, 1985Date of Patent: November 18, 1986Assignee: Bayer AktiengesellschaftInventors: Helmut Hurnik, Gerhard Grogler, Heinrich Hess, Richard Kopp
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Patent number: 4604413Abstract: According to the invention, a resin composition having an electromagnetic wave shielding effect is provided. The resin composition comprises 35 to 90 wt % of an ABS resin or a mixture of the ABS resin and an AS resin, 1 to 25 wt % of a plasticizer and 5 to 40 wt % of carbon fibers. The carbon fibers are uniformly dispersed in the resin ingredient without being broken or cut at the step of mixing and dispersing the resin components, thus exhibiting improved electromagnetic wave shielding effect.Type: GrantFiled: April 5, 1985Date of Patent: August 5, 1986Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Takeshi Nabeta, Isamu Hanahara
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Patent number: 4602051Abstract: According to the invention, a resin composition having an electromagnetic wave shielding effect is provided. The resin composition comprises 35 to 90 wt % of an ABS resin or a mixture of the ABS resin and an AS resin, 1 to 25 wt % of a plasticizer and 5 to 40 wt % of carbon fibers. The carbon fibers are uniformly dispersed in the resin ingredient without being broken or cut at the step of mixing and dispersing the resin components, thus exhibiting improved electromagnetic wave shielding effect.Type: GrantFiled: August 30, 1984Date of Patent: July 22, 1986Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Takeshi Nabeta, Isamu Hanahara
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Patent number: 4518729Abstract: The present invention relates to solutions of isocyanato-isocyanurates based on mixtures of (i) 2,4- and/or 2,6-diisocyanato-toluene and (ii) 2,2'-, 2,4'- and/or 4,4'-diisocyanato-diphenyl methane in a molar ratio of (i) to (ii) of about 5:1 to 1:3, in plasticizers for polyvinyl chloride wherein the isocyanato-isocyanurates comprise about 1 to 50% by weight of the solution. The present invention also relates to a process for preparing these solutions which comprise partially trimerizing the isocyanate groups of the above diisocyanates using catalysts which accelerate the trimerization of isocyanate groups, the reaction either being conducted in the presence of plasticizers for polyvinyl chloride or the reaction product being dissolved in a plasticizer of this type, optionally after the separation of excess, unreacted diisocyanate.In addition, the present invention relates to the use of these solutions as adhesion-improving additives for coating compositions based on polyvinyl chloride.Type: GrantFiled: October 22, 1981Date of Patent: May 21, 1985Assignee: Bayer AktiengesellschaftInventors: Peter Breidenbach, Helmut Hurnik, Josef Pedain
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Patent number: 4426464Abstract: A marine paint capable of becoming smoother in relatively moving sea-water comprises a film-forming copolymer and a metalliferous pigment which is sparingly soluble in sea-water. The copolymer comprises 20-80 percent by weight of units of a quinolinyl or substituted quinolinyl ester of an olefinically unsaturated carboxylic acid with the balance of the copolymer being units of at least one olefinically unsaturated comonomer or comprises 10 to 80 percent by weight of (a) units of a quinolinyl or substituted quinolinyl ester of an olefinically unsaturated carboxylic acid, up to 60 percent by weight of (b) units of a triorgano tin salt of an olefinically unsaturated carboxylic acid, with (a) and (b) together forming 20 to 80 percent by weight of the copolymer, and the balance of the copolymer being units of at least one olefinically unsaturated comonomer.Type: GrantFiled: June 29, 1982Date of Patent: January 17, 1984Assignee: International Paint Public Limited CompanyInventor: Cristian M. Sghibartz
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Patent number: 4383068Abstract: A thixotropic coating agent, more especially a binder or coating composition, based on a mixtrue of conventional binder-containing systems, optionally in admixture with liquid solvents or diluents, and a thixotropizing agent containing urea groups, wherein the thixotropizing agent is, in part at least, a urea adduct obtained by reacting (a) primary and, optionally, secondary polyamines, (b) monoisocyanate compounds and, optionally, (c) diisocyanate compounds in the presence of at least part of the binder.Type: GrantFiled: January 15, 1979Date of Patent: May 10, 1983Assignee: August Merckens Nachfolger KommanditgesellschaftInventor: Dieter Brandt
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Patent number: 4382798Abstract: An anti-soiling treating agent comprising(a) a perfluoroalkyl-containing hybrid urethane compound (I) resulting from the addition reaction of two perfluoroalkyl-containing alcohols which have a difference in melting point of at least 20.degree. C. and are selected from compounds of the following formulaRf--A--B--OHwherein Rf represents a linear or branched perfluoroalkyl group, A is the group --CH.sub.2 --.sub.Type: GrantFiled: August 10, 1981Date of Patent: May 10, 1983Assignee: Dainippon Inc. & Chemicals Inc.Inventors: Yasuyuki Suzuki, Tadashi Ito
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Patent number: 4332716Abstract: Novel polymer/polyisocyanate compositions made by polymerizing at least one ethylenically unsaturated monomer in situ in a blend of a first organic polyisocyanate and a stabilizer. The stabilizer comprises a polyoxyalkylene polyol having a number average molecular weight of at least 4000; an isocyanato terminated prepolymer formed by reacting the polyoxyalkylene polyol and a second organic polyisocyanate with the proviso that the isocyanato terminated prepolymer and the first organic polyisocyanate provide greater than 25 equivalents of isocyanato groups per equivalent of hydroxyl groups; a polymer/polyol formed using the polyoxyalkylene polyol; a polymer/prepolymer formed using the polyoxyalkylene polyol with the proviso indicated for the prepolymer above; or a modified polyol containing an ester group formed using the polyoxyalkylene polyol.Type: GrantFiled: December 10, 1980Date of Patent: June 1, 1982Assignee: Union Carbide CorporationInventor: Naresh R. Shah