Polymer Derived From Ethylenic Reactants Only Derived From Reactant Containing An Atom Other Than C, H, N, O, Or Halogen Patents (Class 525/116)
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Patent number: 9382390Abstract: There is disclosed a process for continuous production of a water-absorbent resin product by which the water-absorbent resin product having high properties can continuously be produced easily and inexpensively with stable constant quality. In addition, there is disclosed a water-absorbent resin product having high properties and being stable in quality.Type: GrantFiled: February 21, 2007Date of Patent: July 5, 2016Assignee: Nippon Shokubai Co., Ltd.Inventors: Kunihiko Ishizaki, Katsuhiro Kajikawa
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Publication number: 20150133606Abstract: An object of the present invention is to provide a method for producing composite particles of at least one of a curing agent and a curing accelerator which have excellent release properties for at least one of the curing agent and curing accelerator, exhibit excellent rapid curability when contained in a curable resin composition, and have excellent storage stability; and the composite particles of at least one of the curing agent and the curing accelerator. Another object of the present invention is to provide to a thermosetting resin composition that contains the composite particles of at least one of the curing agent and the curing accelerator. The method of the present invention includes the steps of: preparing an emulsion in which droplets containing a compound for forming shells are dispersed in an aqueous medium; impregnating the droplets with at least one of a curing agent and a curing accelerator; and forming shells each enclosing the at least one of the curing agent and the curing accelerator.Type: ApplicationFiled: September 6, 2012Publication date: May 14, 2015Inventors: Tadashi Iwamoto, Yasuyuki Yamada, Hiroshi Yamauchi
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Publication number: 20140303284Abstract: The present invention is directed to a resin composition, comprising a blend of: (1) an epoxy polysiloxane resin; (2) an epoxyfluorosilicone resin; and (3) a fluorinated (or non-fluorinated) silane-modified polyacrylic resin. Further, the present invention is directed to a coating composition comprising the above resin blend composition and a curing agent. Further, the invention is directed to coating composition comprising an epoxy polysiloxane resin and a fluorinated (or non-fluorinated) silane-modified polyacrylic resin.Type: ApplicationFiled: March 15, 2013Publication date: October 9, 2014Applicant: THE SHERWIN-WILLIAMS COMPANYInventor: THE SHERWIN-WILLIAMS COMPANY
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Patent number: 8802777Abstract: Crosslinker/accelerator system for thermally crosslinking polyacrylates with functional groups that are adapted to react with epoxy groups in a crosslinking reaction, comprising at least one epoxy group-containing substance and at least one substance that accelerates the crosslinking reaction at a temperature below the melting temperature of the polyacrylate.Type: GrantFiled: March 18, 2008Date of Patent: August 12, 2014Assignee: tesa SEInventors: Stephan Zöllner, Kay Brandes, Sven Hansen, Esther Von Possel
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Publication number: 20140121323Abstract: Disclosed is a polymer including a polymer polymerized of a phosphorous-based monomer, a polymer polymerized of a nitrogen-based monomer, or a polymer polymerized of the phosphorous-based monomer and the nitrogen-based monomer. The phosphorous-based monomer has the formula as follows: and the nitrogen-based monomer has the formula as follows: R1 and R3 consists of hydrogen, a phenyl group, a C7-12 alkyl phenyl group, a C1-12 alkyl group, a C2-12 ether group, a C1-12 alkoxyl group, or a C1-12 hydroxylalkyl group, respectively. R2 and R4 consists of a phenylene group, a C7-12 alkyl phenylene group, a C1-12 alkylene group, a C2-12 ether group, a C1-12 alkylene glycol group, or a C1-12 hydroxylalkylene group, respectively.Type: ApplicationFiled: December 30, 2013Publication date: May 1, 2014Applicant: Industrial Technology Research InstituteInventors: Lung-Chang LIU, Po-Jen YANG
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Patent number: 8674039Abstract: The invention relates to a crosslinkable polymer powder composition redispersible in water, obtainable by means of free radical polymerization, in an aqueous medium, of one or more monomers from the group consisting of vinyl esters of straight-chain or branched alkylcarboxylic acids having 1 to 15 C atoms, methacrylates and acrylates of alcohols having 1 to 15 C atoms, vinylaromatics, olefins, dienes and vinyl halides, no epoxide-functional comonomers being copolymerized, and subsequent drying of the polymer dispersion obtained thereby, wherein, before and/or during the polymerization and/or before the drying of the polymer dispersion obtained thereby, an epoxy resin is added and, if appropriate after the drying, a curing agent crosslinking with the epoxy resin is added.Type: GrantFiled: January 28, 2010Date of Patent: March 18, 2014Assignee: Wacker Chemie AGInventors: Michael Faatz, Reinhard Haerzschel
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Publication number: 20120142807Abstract: Polymerizable compositions are provided that contain an epoxy compound and a polymerizable, ethylenically-unsaturated resin having an acid functional group where the epoxy compound is polymerized by cationic polymerization initiated by the acid functional group and the polymerizable, ethylenically-unsaturated resin is polymerized by free-radical polymerization. To that end, a two-part polymerizable composition is provided that has a first part containing the epoxy compound; and a second part containing the polymerizable, ethylenically-unsaturated resin having an acid functional group. The first part and/or the second part further contain a radical initiator effective to initiate either self-curing or light-curing by free-radical polymerization.Type: ApplicationFiled: June 11, 2010Publication date: June 7, 2012Applicant: PENTRON CLINICAL TECHNOLOGIES L.L.C.Inventors: Shuhua Jin, Weitao Jia
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Publication number: 20120048606Abstract: The adhesive composition of the invention contains (a) organic fine particles comprising at least one selected from the group consisting of alkyl (meth)acrylate ester-butadiene-styrene copolymer or complexes thereof, alkyl (meth)acrylate ester-silicone copolymer or complexes thereof and silicone-(meth)acrylic acid copolymer or complexes thereof.Type: ApplicationFiled: July 29, 2008Publication date: March 1, 2012Applicant: HITACHI CHEMICAL COMPANY, LTD.Inventors: Hiroyuki Izawa, Toshiaki Shirasaka, Shigeki Katogi, Sunao Kudou, Keiko Tomizawa
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Publication number: 20100222480Abstract: Disclosed is a toughened film forming agent for use in a fiber sizing, a finish coating or a binder composition, where the toughened film forming agent includes a film fowling polymer and a toughening agent both dispersed in water. The toughening agent may be core shell polymers, rubber, thermoplastic materials, nanomaterials, nanofibers, including any combination or subset thereof. The film forming polymer may be epoxy resins, polyurethane resins, epoxy-polyurethane resins, polyester resins, epoxy-polyester resins, polyvinylacetate resins, polypropylene resins, including any combination or subset thereof.Type: ApplicationFiled: February 26, 2010Publication date: September 2, 2010Inventors: Walter Henry Christiansen, III, Carlton E. Ash, Paul W. Langemeier
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Publication number: 20100104864Abstract: Crosslinker/accelerator system for thermally crosslinking polyacrylates with functional groups that are adapted to react with epoxy groups in a crosslinking reaction, comprising at least one epoxy group-containing substance and at least one substance that accelerates the crosslinking reaction at a temperature below the melting temperature of the polyacrylate.Type: ApplicationFiled: March 18, 2008Publication date: April 29, 2010Applicant: TESA SEInventors: Stephan Zöllner, Kay Brandes, Sven Hansen, Esther Von Possel
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Publication number: 20090311651Abstract: The invention relates to preparations based on polymerizable polyether materials and a fluidity improver and to the use thereof in producing dental materials, especially impression materials.Type: ApplicationFiled: July 24, 2007Publication date: December 17, 2009Inventors: Thomas Klettke, Bernd Kuppermann, Hendrik M. Grupp
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Publication number: 20090197090Abstract: Disclosed herein is a composition, including a fluorine-based polymer or a perfluoropolyether (PFPE) derivative and a PFPE-miscible polymer, an anti-oxide film and electronic component including the same, and methods of forming an anti-oxide film and an electronic component. Use of the composition may achieve formation of an anti-oxide film through a solution process and electronic components using a metal having increased conductivity and decreased production costs.Type: ApplicationFiled: June 13, 2008Publication date: August 6, 2009Inventors: Jung Seok Hahn, Jong Baek Seon, Euk Che Hwang, Jong Ho Lee, Min Ho O
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Patent number: 7566758Abstract: An embodiment of the invention relates to a novel epoxy resin composition. The epoxy resin composition comprises (i) a first epoxy resin having in the molecule thereof at least one water-repellency-imparting group and two or more cyclic aliphatic epoxy groups, and having a number average molecular weight ranging from 8,000 to 22,000 and a polydispersity ranging from 3.5 to 5.0, (ii) a second epoxy resin having in the molecule thereof at least one water-repellency-imparting group and two or more cyclic aliphatic epoxy groups, having a number average molecular weight ranging from 2,500 to 8,000 and a polydispersity ranging from 1.5 to 3.0, and (iii) a cationic polymerization catalyst.Type: GrantFiled: December 1, 2005Date of Patent: July 28, 2009Assignee: Canon Kabushiki KaishaInventors: Akihiko Shimomura, Hiromichi Noguchi, Isao Imamura
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Patent number: 6750290Abstract: The present invention relates to a curing epoxy resin composition permitting water repellent and ink repellent surface treatment. The epoxy resin composition contains (A) an alkylsiloxane-containing epoxy resin, (B) a cationic polymerization catalyst, and (C) a polyfunctional epoxy compound having a molecular weight of 300 or more, and a static viscosity of 1,000 cps or more at 25° C.Type: GrantFiled: April 17, 2002Date of Patent: June 15, 2004Assignee: Canon Kabushiki KaishaInventors: Isao Imamura, Hiromichi Noguchi, Akihiko Shimomura
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Patent number: 6720389Abstract: In a production process for a water-absorbent resin, comprising the steps of: blending a liquid material and a water-absorbent resin; and heating the resultant mixture in order to produce a modified water-absorbent resin, the present invention is to provide: a method for uniformly and efficiently treating a water-absorbent resin favorably in view of industry, and as a result, a good-balanced water-absorbent resin having various excellent properties, such absorption capacity without a load, absorption capacity under a load, and single-layer absorption capacity under a load in contact with an aqueous liquid. The production process comprises the step of spray-blending a water-absorbent resin (A) and a liquid material (B) with a blending apparatus equipped with a spray nozzle (C), wherein the liquid material (B) is sprayed from the spray nozzle (C) and its spray pattern is a circular and hollow cone shape or a double-convex-lens and elliptic cone shape.Type: GrantFiled: September 5, 2001Date of Patent: April 13, 2004Assignee: Nippon Shokubai Co., Ltd.Inventors: Takumi Hatsuda, Yoshio Irie, Masatoshi Nakamura, Katsuyuki Wada, Shinichi Fujino, Kazuki Kimura, Kunihiko Ishizaki
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Patent number: 6538074Abstract: The combination of powder coatings usable in a coating method comprising mixing two or more powder coatings of which each color is different, wherein each of the powder coatings fuses with each other and is heat-cured, to thereby give a coating film having a homogenous hue. A powder coating composition comprising two or more powder coatings of which each color is different, wherein each of the powder coatings fuses with each other and is heat-cured, to thereby give a coating film having a homogenous hue. A coating method comprising the steps of (a) applying to a substrate two or more powder coatings, of which each color is different; (b) heating to fuse with each other each of the two or more powder coatings applied in step (a); and (c) curing the resulting fused product in step (b), to give a coating film having a homogeneous hue.Type: GrantFiled: May 30, 2000Date of Patent: March 25, 2003Assignee: Nippon Paint Co., Ltd.Inventors: Yukiya Sato, Hisakazu Tajima, Katsutoshi Aoki, Takehiko Tohjo, Yasunori Inagaki, Masayuki Maruta, Shingo Tanaka
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Patent number: 6255391Abstract: A material for producing a building material or a shaped article, wherein said material comprises a melt-mixture of thermoplastic material and rubber material.Type: GrantFiled: February 23, 1998Date of Patent: July 3, 2001Assignee: Netro-Products GmbH & Co. KGInventor: Rolf Henrich
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Patent number: 6225405Abstract: A resin composition comprising 100 parts by weight of a thermoplastic resin or thermosetting resin and 0.1 to 5 parts by weight of at least one perfluoroalkyl group-containing polymer selected from the group consisting of a copolymer of a (meth)acrylic ester having a perfluoroalkyl group of 5-18 carbon atoms and a (meth)acrylic ester having a hydrophilic group, a homopolymer of an epoxy compound having a perfluoroalkyl group of 5-18 carbon atoms, and a copolymer of said epoxy compound and a monomer copolymerizable therewith has excellent stain resistance, and is suitable for producing molded products undergoing severe adhesion of dirt such as kitchen wares, bathroom wares and the like.Type: GrantFiled: May 7, 1999Date of Patent: May 1, 2001Assignee: Daikin Industries, Ltd.Inventors: Fumihiko Yamaguchi, Yoshitaka Honda
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Patent number: 6207768Abstract: The combination of powder coatings usable in a coating method comprising mixing two or more powder coatings of which each color is different, wherein each of the powder coatings fuses with each other and is heat-cured, to thereby give a coating film having a homogeneous hue. A powder coating composition comprising two or more powder coatings of which each color is different, wherein each of the powder coatings fuses with each other and is heat-cured, to thereby give a coating film having a homogeneous hue. A coating method comprising the steps of (a) applying to a substrate two or more powder coatings, of which each color is different; (b) heating to fuse with each other each of the two or more powder coatings applied in step (a); and (c) curing the resulting fused product in step (b), to give a coating film having a homogeneous hue.Type: GrantFiled: November 25, 1997Date of Patent: March 27, 2001Assignee: Kao CorporationInventors: Yukiya Sato, Hisakazu Tajima, Katsutoshi Aoki, Takehiko Tohjo, Yasunori Inagaki, Masayuki Maruta, Shingo Tanaka
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Patent number: 6030571Abstract: A method of molding which comprises preparing a molding material by compounding a filler and a curable composition, the filler being in an amount of 0 to 800 weight parts based on 100 weight parts of the curable composition and optionally aging the molding material at room temperature or by heating, followed by casting the molding material into a mold and curing the molding material under atmospheric pressure or higher, and articles molded by such method.Type: GrantFiled: May 22, 1997Date of Patent: February 29, 2000Assignee: NOF CorporationInventors: Yoshinori Nakane, Hiroki Mizutani, Hayato Ishibashi, Masahiro Ishidoya
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Patent number: 5959038Abstract: A thermosetting resin composition, comprising: a thermosetting organic resin (A), and an organopolysiloxane (B) represented by the following average unit formula: R.sub.a SiO.sub.(4-a)/2 wherein R is a selected from the group consisting of substituted or unsubstituted monovalent hydrocarbon groups, acryl-containing organic groups, methacryl-containing organic groups, and an alkoxy groups. The curable compositions of the invention exhibit excellent mold release characteristics and can be utilized to produce articles having water-repellent characteristics.Type: GrantFiled: May 29, 1997Date of Patent: September 28, 1999Assignee: Dow Corning Toray Silicone Co., Ltd.Inventors: Haruhiko Furukawa, Yoshitsugu Morita, Toshio Saruyama, Makoto Yoshitake
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Patent number: 5710211Abstract: According to the present invention, there are provided a process for producing a vinyl alcohol polymer comprising reaction of a vinyl ester polymer (A) having an epoxy group with a compound (B) having a thiol or thioester group and hydrolysis thereof, said hydrolysis being conducted during or after said reaction; and a process for producing a vinyl alcohol polymer comprising reaction of a vinyl ester polymer (C) having a thiol or thioester group with a compound (D) having an epoxy group and hydrolysis thereof, said hydrolysis being conducted during or after said reaction. According to the present invention, it is possible to efficiently introduce into PVA various functional groups having excellent reactivity, crosslinkability, ionic interactivity, water-solubility, interfacial physical properties, low-temperature flexibility, etc., under relatively mild reaction conditions.Type: GrantFiled: July 19, 1996Date of Patent: January 20, 1998Assignee: Kuraray Co., Ltd.Inventors: Toshiaki Sato, Naoki Fujiwara, Atsushi Jikihara
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Patent number: 5639825Abstract: When a thermosetting composition comprising(A) a resin having hydroxyl group,(B) a hydrolyzable silyl group-containing polymer,(C) a hydrolyzable silicon compound and(D) a curing catalyst is used, coating materials having no problem as to bad-smelling can be obtained and the coating films formed therefrom are improved in physical properties such as adhesion, solvent resistance and hardness.Type: GrantFiled: October 4, 1994Date of Patent: June 17, 1997Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Toshiro Nanbu, Hirotoshi Kawaguchi, Hisao Furukawa, Yasushi Kato
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Patent number: 5527857Abstract: An adhesive primer composed of a cross-linkable polymer exhibiting electrostatic induction proof properties, and a laminated film having such a primer layer. The laminated film represents a material capable of maintaining a high electrification preventative performance despite the fact that the base film itself constitutes the outer film surface.Type: GrantFiled: February 7, 1995Date of Patent: June 18, 1996Assignee: Altech Co., Ltd.Inventor: Kanji Hayashi
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Patent number: 5525673Abstract: Disclosed are:1) a three-component resin composition comprising a hydroxyl group-containing compound (A), an epoxy group-containing compound (B) and a silane group-containing compound (C);2) a two-component resin composition comprising a hydroxyl group-containing compound (A) and silane group- and epoxy group-containing compound (D);3) a two-component resin composition comprising hydroxyl group- and silane group-containing compound (E) and epoxy group-containing compound (B); and4) two-component resin composition comprising hydroxyl group- and epoxy group-containing compound (F) and silane group-containing compound (C); wherein at least one of the components in each of the resin compositions 1) to 4) is (are) fluorine-containing resin;5) a curable composition comprising one of the resin compositions 1) to 4) and a metal chelate compound as curing catalyst; and6) coating compositions comprising such curing composition and when required a pigment.Type: GrantFiled: July 18, 1994Date of Patent: June 11, 1996Assignee: Kansai Paint Company, LimitedInventors: Akimasa Nakahata, Nobushige Numa, Masahiro Yamane, Osamu Isozaki, Noboru Nakai
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Patent number: 5486569Abstract: A method of enhancing the water or aqueous fluid absorption of and/or increasing the particle size of fine water-absorbent polyacrylic SAP polymer particles includes surface-contacting the SAP polymer particles with a solution containing a cross-linking agent for the polyacrylic SAP polymer, and then subjecting the particles to conditions sufficient to further cross-link the surfaces of the SAP polymer particles. The surface cross-linked particles are then impregnated with water in a weight ratio of SAP polymer, dry basis, to water in the range of about 1:1 to about 1:10 to form a paste, and the paste is subjected to conditions, such as increased temperature, e.g., 50.degree. C.-150.degree. C. to dry the polymer particles to form an acrylic SAP polymer having enhanced fluid absorption under load and, upon pulverizing, increased particle size.Type: GrantFiled: September 28, 1994Date of Patent: January 23, 1996Assignee: American Colloid CompanyInventors: John A. Henderson, Anthony S. Tomlin, David M. Lucas
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Patent number: 5408001Abstract: Disclosed are:1) a three-component resin composition comprising a hydroxyl group-containing compound (A), an epoxy group-containing compound (B) and a silane group-containing compound (C);2) a two-component resin composition comprising a hydroxyl group-containing compound (A) and silane group- and epoxy group-containing compound (D);3) a two-component resin composition comprising hydroxyl group- and silane group-containing compound (E) and epoxy group-containing compound (B); and4) two-component resin composition comprising hydroxyl group- and epoxy group-containing compound (F) and silane group-containing compound (C); wherein at least one of the components in each of the resin compositions 1) to 4) is (are) fluorine-containing resin;5) a curable composition comprising one of the resin compositions 1) to 4) and a metal chelate compound as curing catalyst; and6) coating compositions comprising such curing composition and when required a pigment.Type: GrantFiled: August 18, 1993Date of Patent: April 18, 1995Assignee: Kansai Paint Company, LimitedInventors: Akimasa Nakahata, Nobushige Numa, Masahiro Yamane, Osamu Isozaki, Noboru Nakai
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Patent number: 5389727Abstract: A resin composition comprising a high molecular weight compound containing an average of 2 or more hydroxyl groups and an average of 1 or more functional groups selected from the class consisting of alkoxysilane, silanol and acyloxysilane groups per molecule and having a number average molecular weight of 3,000 to 200,000; a low molecular weight compound containing an average of 2 or more epoxy groups per molecule and having a number average molecular weight of 240 to 5,000; and, as a curing catalyst, a metal chelate compound, is curable at a relatively low temperature to yield a film having excellent resistance to weathering.Type: GrantFiled: August 27, 1993Date of Patent: February 14, 1995Assignee: Kansai Paint Company, LimitedInventors: Noboru Nakai, Osamu Isozaki, Naozumi Iwasawa
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Patent number: 5288770Abstract: A resin composition for a cationically electrodepositable paint comprising(A) a resin having hydroxyl groups and cationic groups,(B) an epoxy resin having at least 2 epoxy functional groups each of which comprises an epoxy group directly bound to an alicyclic ring and/or bridged alicyclic ring on average per molecule, and(C) a finely divided gelled polymer as principal components, wherein said finely divided gelled polymer is obtained by emulsion polymerizing(C-1) a polymerizable monomer containing at least two radically polymerizable unsaturated groups in the molecule, and(C-2) a radically polymerizable unsaturated monomer other than the one mentioned in (C-1), abovein the presence of a reactive emulsifier containing an allyl group in the molecule.Type: GrantFiled: January 22, 1991Date of Patent: February 22, 1994Assignee: Kansai Paint Co., Ltd.Inventors: Teiji Katayama, Eisaku Nakatani, Haruo Nagaoka, Kenji Yamamoto, Reiziro Nishida
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Patent number: 5276125Abstract: The present invention relates to heat-curable coating compositions containingA) a prepolymer having an average of 2-4 ketoxime-blocked NCO groups, having an average moleculer weight of 500-15,000 and prepared from aliphatic, cycloaliphatic and aromatic polyisocyanates and one or more polyhydroxy components which contain 0 to 30% by weight of ethylene oxide units andB) a crosslinking agent of the formula ##STR1## wherein R and R.sup.1 represent H or C.sub.1 -C.sub.4 -alkyl, the ratio of equivalents of blocked NCO groups in A) to NH.sub.2 groups in B) being 1.35:1 to 0.Type: GrantFiled: November 21, 1990Date of Patent: January 4, 1994Assignee: Bayer AktiengesellschaftInventors: Josef Pedain, Wilhelm Thoma, Walter Schroer, Waldemar Kling, Manfred Dietrich
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Patent number: 5219939Abstract: The present invention relates to powder coating compositions which are solid below 3O.degree. C. and contain a mixture ofA) a copolymer component which is solid below 3O.degree. C. and contains at least one copolymer containing both cyclic carboxylic anhydride groups and hydroxyl groups,B) a polyepoxide component which contains at least one polyepoxide containing at least two epoxide groups per molecule.Type: GrantFiled: August 21, 1991Date of Patent: June 15, 1993Assignee: Bayer AktiengesellschaftInventors: Christian Wamprecht, Hans-Joachim Kreuder
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Patent number: 5151494Abstract: The invention is a polyester and a method for producing a polyester filament which has a combination of flame resistance and low pilling properties. The method comprises forming a polyester polymer from a mixture consisting essentially of terephthalate acid or dimethyl terephthalate, ethylene glycol, a chain branching agent having a functionality of at least 3 and a phosphinic acid in the amount between 0.5 and 20 mole percent of the terephthalate acid and monomer. In particular, the invention also comprises the enhanced fiber formed by the process, as well as the fabrics having a pilling of about 3 to less than 5 as measured in accordance with ASTM D-3512-82.Type: GrantFiled: January 4, 1991Date of Patent: September 29, 1992Assignee: Hoechst Celanese CorporationInventors: Jerry T. Munday, Theodore D. Meiss
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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: 5098951Abstract: Hydrophilic polymer, as microbeads insoluble in water, based on acrylic acid and an alkali metal acrylate constituted by an acrylic acid-potassium acrylate copolymer, cross-linked with 100 ppm to 3,000 ppm relative to the total weight of monomers of one or more cross-linking agents chosen from the group constituted by the products of general formula I: ##STR1## A=a bivalent radical derived from a C.sub.3 -C.sub.6 alkane presenting an absorption capacity for a salty physiological solution of 30 to 70 g per gram and from 10 to 35 g per gram under pressure, preparation process and use notably in articles of hygiene.Type: GrantFiled: April 29, 1991Date of Patent: March 24, 1992Assignee: Societe Francaise HoechstInventors: Paul Mallo, Marie-Therese Moreau, Jean Cabestany
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Patent number: 5093391Abstract: A coating composition useful for a finish for automobiles and trucks in which the film forming binder contains reactive binder components of about(a) 25-90% by weight, based on the weight of the binder, of an acrylic polymer having at least two reactive anhydride groups composed of polymerized monomers of an ethylenically unsaturated anhydride and polymerized monomers from the group consisting of alkyl methacrylate, alkyl acrylate and any mixtures thereof, wherein the alkyl groups have 1-8 carbon atoms and the polymer has a weight average molecular weight of about 2,000-50,000;(b) 5-50% by weight, based on the weight of the binder, of a glycidyl component having at least two reactive glycidyl groups;(c) 5-50% by weight, based on the weight of the binder of an acid functional monomeric, oligomeric or polymeric compound which may or may not contain hydroxyl functionality; andthe composition contains about 0.1-5% by weight; based on the weight of the binder, of a catalyst.Type: GrantFiled: June 15, 1990Date of Patent: March 3, 1992Assignee: E. I. Du Pont de Nemours and CompanyInventors: Robert J. Barsotti, Lee R. Harper
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Patent number: 5068153Abstract: A coating composition useful for a finish for automobiles and trucks in which the film forming binder contains reactive binder components of about(a) 25-90% by weight, based on the weight of the binder, of an acrylic polymer having at least two reactive anhydride groups composed of polymerized monomers of an ethylenically unsaturated anhydride and polymerized monomers from the group consisting of alkyl methacrylate, alkyl acrylate and any mixtures thereof, wherein the alkyl groups have 1-8 carbon atoms and the polymer has a weight average molecular weight of about 2,000-50,000;(b) 5-50% by weight, based on the weight of the binder, of a glycidyl component having at least two reactive glycidyl groups; and(c) 0.1-7% by weight, based on the weight of the binder, of a phosphonium catalyst or a blend of a phosphonium catalyst and a tertiary amine catalyst which may or may not contain hydroxyl groups.Type: GrantFiled: October 11, 1989Date of Patent: November 26, 1991Assignee: E. I. Du Pont de Nemours and CompanyInventors: Robert Barsotti, Lester S. Cohen
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Patent number: 5057555Abstract: A coating composition useful for a finish for automobiles and trucks in which the film forming binder contains reactive binder components of about(a) 25-90% by weight, based on the weight of the binder, of an acrylic polymer having at least two reactive anhydride groups composed of polymerized monomers of an ethylenically unsaturated anhydride and polymerized monomers from the group consisting of alkyl methacrylate, alkyl acrylate and any mixtures thereof, wherein the alkyl groups have 1-8 carbon atoms and the polymer has a weight average molecular weight of about 2,000-50,000;5-50% by weight, based on the weight of the binder, of a glycidyl component having at least two reactive glycidyl groups;5-50% by weight, based on weight of the binder, of a polymeric component containing multiple hydroxy groups; andthe composition contains about 0.1-5% by weight; based on the weight of the binder, of a catalyst.Type: GrantFiled: February 8, 1990Date of Patent: October 15, 1991Inventors: Donald A. White, Robert J. Barsotti, Patrick H. Corcoran, Lili W. Altschuler
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Patent number: 5053460Abstract: Hydrophilic polymer, as microbeads insoluble in water, based on acrylic acid and an alkali metal acrylate constituted by an acrylic acid - potassium acrylate copolymer, cross-linked with 100 ppm to 3,000 ppm relative to the total weight of monomers of one or more cross-linking agents chosen from the group constituted by the products of general formula I: ##STR1## A=a bivalent radical derived from a C.sub.3 -C.sub.6 alkane presenting an absorption capacity for a salty physiological solution of 30 to 70 g per gram and from 10 to 35 g per gram under pressure, preparation process and use notably in articles of hygiene.Type: GrantFiled: March 16, 1990Date of Patent: October 1, 1991Assignee: Societe Francaise HoechstInventors: Paul Mallo, Marie-Therese Moreau, Jean Cabestany
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Patent number: 5025067Abstract: An epoxy resin comprising an active hydrogen compound having at least three active hydrogen atoms capable of reacting with an epoxy group in its molecule or butadine or isoprene as a main monomer is modified with an oligomer having on average at least 1.5 equivalents of active hydrogen capable of reacting with an epoxy group in its molecule. An epoxy resin modified with a bisphenol and a compound having active hydrogen or acid anhydride groups capable of reacting with an epoxy group is also provided. A toner containing the epoxy resin as a binder is useful in electrostatography.Type: GrantFiled: November 16, 1988Date of Patent: June 18, 1991Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Yohzoh Yamamoto, Goro Suzuki, Hideo Nakamura, Kiyomi Yasuda
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Patent number: 4975474Abstract: A coating composition useful for a finish for automobiles and trucks in which the film forming binder contains reactive binder components of about(a) 25-94% by weight, based on the weight of the binder, of an acrylic polymer having at least two reactive anhydride groups composed of polymerized monomers of an ethylenically unsaturated anhydride and polymerized monomers from the group consisting of alkyl methacrylate, alkyl acrylate and any mixtures thereof, wherein the alkyl groups have 1-8 carbon atoms and the polymer has a weight average molecular weight of about 2,000-50,000;(b) 5-50% by weight, based on the weight of the binder, of a glycidyl component having at least two reactive glycidyl groups;(c) 1-40% by weight, based on the weight of the binder, of a self-stabilized dispersed resin; andthe composition contains about 0.1-5% by weight; based on the weight of the binder, of a catalyst.Type: GrantFiled: October 11, 1989Date of Patent: December 4, 1990Assignee: E. I. du Pont de Nemours and CompanyInventors: Robert J. Barsotti, Patrick H. Corcoran
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Patent number: 4908397Abstract: A coating composition useful for a finish for automobiles and trucks in which the film forming binder contains reactive binder components of about(a) 25-94% by weight, based on the weight of the binder, of an acrylic polymer having at least two reactive anhydride groups composed of polymerized monomers of an ethylenically unsaturated anhydride and polymerized monomers from the group consisting of alkyl methacrylate, alkyl acrylate and any mixtures thereof, wherein the alkyl groups have 1-8 carbon atoms and the polymer has a weight average molecular weight of about 2,000-50,000;(b) 5-50% by weight, based on the weight of the binder, of a glycidyl component having at least two reactive glycidyl groups;(c) 1-40% by weight, based on the weight of the binder, of a self-stabilized dispersed resin; andthe composition contains about 0.1-5% by weight; based on the weight of the binder, of a catalyst.Type: GrantFiled: June 27, 1988Date of Patent: March 13, 1990Assignee: E. I. Du Pont de Nemours and CompanyInventors: Robert J. Barsotti, Patrick H. Corcoran
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Patent number: 4906677Abstract: A coating composition useful for a finish for automobiles and trucks in which the film forming binder contains reactive binder components of about(a) 25-90% by weight, based on the weight of the binder, of an acrylic polymer having at least two reactive anhydride groups composed of polymerized monomers of an ethylenically unsaturated anhydride and polymerized monomers from the group consisting of alkyl methacrylate, alkyl acrylate and any mixtures thereof, wherein the alkyl groups have 1-8 carbon atoms and the polymer has a weight average molecular weight of about 2,000-50,000;(b) 5-50% by weight, based on the weight of the binder, of a glycidyl component having at least two reactive glycidyl groups; and(c) 0.1-7% by weight, based on the weight of the binder, of a phosphonium catalyst or a blend of a phosphonium catalyst and a tertiary amine catalyst which may or may not contain hydroxyl groups.Type: GrantFiled: June 27, 1988Date of Patent: March 6, 1990Assignee: E. I. Du Pont de Nemours & CompanyInventors: Robert Barsotti, Lester S. Cohen
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Patent number: 4879064Abstract: An electroconductive coating composition for a plastics substrate, such as a poly(ethylene terephthalate) film, comprises a polymeric electrolyte and a polyepoxy resin. Surface conductivity may be promoted by the inclusion of an enhancer or by treatment with an interactive solvent medium. Substrates coated with the composition exhibit substantially permanent antistatic characteristics when subjected to photographic processing techniques.Type: GrantFiled: June 30, 1987Date of Patent: November 7, 1989Assignee: Imperial Chemical Industries PlcInventor: Kelvin P. Adkins
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Patent number: 4879328Abstract: Disclosed is a polyester composition comprising (a) 100 parts by weight of an aromatic polyester; (b) 0.005-10 parts by weight of an epoxy compound of the formula (I): ##STR1## (wherein Ar means C.sub.6 -C.sub.20 aromatic group or C.sub.6 l-C.sub.20 alicyclic group, n means an integer of 0-20); and (c) 1-70 parts by weight of at least one elastomer which has at least one functional group selected from the group consisting of epoxy groups, carboxyl group, carboxylate ester groups, carboxylic acid amide groups, acid anhydride group, imide groups, carboxylate salt groups, hydroxyl group, amino group and cyano group, the elastomer having a tensile modulus of 1-6,000 kg/cm.sup.2. The polyester resin composition of the present invention can easily be molded and the obtained molded article excells in mechanical properties such as impact strength.Type: GrantFiled: May 13, 1988Date of Patent: November 7, 1989Assignee: Toray IndustriesInventors: Hiroo Karasawa, Kiichi Kometani, Kiyomi Okita
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Patent number: 4829124Abstract: A thermoplastic elastomer is described which comprises a blend of (a) a carboxylated butadieneacrylonitrile elastomer and (b) an ethylene/acrylic acid copolymer which has been at least partially neutralized with a metal ion, the blend of (a) and (b) having been dynamically crosslinked with an epoxy crosslinking agent having a minimum of 2 epoxy moieties per molecule.Type: GrantFiled: February 29, 1988Date of Patent: May 9, 1989Assignee: Armstrong World Industries, Inc.Inventor: Lawrence Clark
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Patent number: 4812521Abstract: Epoxy and epoxy novolak resins are impact modified by adding an effective amount of an acrylamide diene nitrile rubber terpolymer to the resin. In a preferred embodiment, the acrylamide diene nitrile rubber includes an acid or ester group attached to the acrylamide portion of the polymer generally through a thiol group. The liquid terpolymer is reacted in the presence of acid catalysts with the resin to provide impact modification.Type: GrantFiled: September 21, 1987Date of Patent: March 14, 1989Assignee: Eagle-Picher Industries, Inc.Inventor: Richard A. Markle
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Patent number: 4654391Abstract: There are provided polymers containing chlorine wherein part of the chlorine atoms are substituted by thio-amide groups and where a further part of the chlorine atoms are substituted by epoxy moieties. Starting materials of choice are chlorinated polyalkylenes, polyvinyl chloride and polyvinylidene chloride. The polymers are produced by first producing a chlorine containing polymer wherein part of the chlorine is substituted by thio-amide groups, and further reacting such product with an epoxy resin so as to introduce epoxy groups.Type: GrantFiled: November 26, 1985Date of Patent: March 31, 1987Assignee: Yeda Research and Development Co., Ltd.Inventors: Gideon Levin, Hemi N. Nae
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Patent number: 4596858Abstract: Cross-linked polymeric gels or films are prepared by dissolving in a suitable solvent a linear polymer or polymers containing pendant amidocarbonyl or oxycarbonyl groups, hydroxyl groups present as either pendant groups from the polymer or as a low molecular weight polyol, and a strongly acidic catalyst (which may also be a pendant group on a polymer). The solvent is removed by coagulation and/or drying and the dry material is heat-cured, thus cross-linking and insolubilizing the polymer or polymers.Type: GrantFiled: June 20, 1984Date of Patent: June 24, 1986Inventors: Harry P. Gregor, Edgar Samuelsen, Paul I. Dalven, Charles D. Gregor
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Patent number: 4507438Abstract: Water-absorbent resins having improved water-absorbency, water-absorption rate and water-dispersibility can be produced by crosslinking a water-absorbent resin comprising a carboxylate as a constituent of the resin with a crosslinking agent having at least two functional groups in the presence of water in a proportion of 0.01 to 1.3 parts by weight per part by weight of the resin in an inert solvent.Type: GrantFiled: December 9, 1982Date of Patent: March 26, 1985Assignee: Seitetsu Kagaku Co., Ltd.Inventors: Shigeji Obayashi, Morio Nakamura, Takushi Yamamoto, Masato Fujikake
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Patent number: 4436869Abstract: A process for the preparation of moldings, in particular resilient elements, which by virtue of a densified surface zone with substantially closed cells, have only a low water absorption, wherein a mixture comprising:(a) 100 parts by weight of an NCO-containing prepolymer, having an NCO content of from 3 to 6% by weight and based on organic diisocyanates and substantially linear polyester-polyols or polytetramethylene ether glycol,(b) from 0.5 to 1.6 parts by weight of water,(c) one or more catalysts, preferably a tertiary amine, in an amount of from 0.01 to 2.0 parts by weight and(d) assistants, with or without additives, is reacted in a closed mold, while undergoing densification, the surface temperature of the inner wall of the mold being from 50.degree. to 70.degree. C.Type: GrantFiled: March 30, 1982Date of Patent: March 13, 1984Assignee: Elastogran GmbHInventors: Otmar Zipp, Heinz Bollmann, Herbert Stutz, Wolfgang Scholz