Aryl-oh Or Salt Thereof As Dnrm Patents (Class 524/736)
-
Patent number: 10087345Abstract: A polyester-based pressure-sensitive adhesive layer, pressure-sensitive adhesive tape, and double-coated pressure-sensitive adhesive tape each having high durability (high heating humidification storage stability) and good adhesive properties are provided using a polyester-based pressure-sensitive adhesive composition. The polyester-based pressure-sensitive adhesive composition of the invention includes a polyester, a hydrolysis-resistant agent, a tackifier with an acid value of 8 or less and a softening point of 80 to 170° C., and a crosslinking agent, and contains 20 to 100 parts by weight of the tackifier based on 100 parts by weight of the polyester.Type: GrantFiled: December 17, 2014Date of Patent: October 2, 2018Assignee: NITTO DENKO CORPORATIONInventors: Akiko Yoshida, Shigeki Ishiguro, Satomi Yoshie
-
Patent number: 9109078Abstract: A polymer polyol (I) is provided that is formed of a polyol (A), polymer particles (B) obtained by polymerization of an ethylenically unsaturated compound (b), and an active-hydrogen-containing compound (d) having an aromatic ring and having a number-average molecular weight of 150 to 2,000, wherein a content of (d) is 1 to 20% on the basis of a weight of (B). The polymer polyol of the present invention contains polymer particles having sufficiently small particle diameters, has a low viscosity, and has excellent handleability. A polyurethane resin obtained by using the polymer polyol of the present invention has excellent mechanical strengths such as elongation at break.Type: GrantFiled: June 4, 2014Date of Patent: August 18, 2015Assignee: Sanyo Chemical Industries, Ltd.Inventors: Takayuki Tsuji, Shigekuni Nakada, Yukiya Kobayashi, Katsuya Uchida
-
Patent number: 8772405Abstract: A polymer polyol (I) is provided that is formed of a polyol (A), polymer particles (B) obtained by polymerization of an ethylenically unsaturated compound (b), and an active-hydrogen-containing compound (d) having an aromatic ring and having a number-average molecular weight of 150 to 2,000, wherein a content of (d) is 1 to 20% on the basis of a weight of (B). The polymer polyol of the present invention contains polymer particles having sufficiently small particle diameters, has a low viscosity, and has excellent handleability. A polyurethane resin obtained by using the polymer polyol of the present invention has excellent mechanical strengths such as elongation at break.Type: GrantFiled: September 25, 2008Date of Patent: July 8, 2014Assignee: Sanyo Chemical Industries, Ltd.Inventors: Takayuki Tsuji, Shigekuni Nakada, Yukiya Kobayashi, Katsuya Uchida
-
Publication number: 20130153830Abstract: Porous materials are fabricated using interpenetrating inorganic-organic composite gels. A mixture or precursor solution including an inorganic gel precursor, an organic polymer gel precursor, and a solvent is treated to form an inorganic wet gel including the organic polymer gel precursor and the solvent. The inorganic wet gel is then treated to form a composite wet gel including an organic polymer network in the body of the inorganic wet gel, producing an interpenetrating inorganic-organic composite gel. The composite wet gel is dried to form a composite material including the organic polymer network and an inorganic network component. The composite material can be treated further to form a porous composite material, a porous polymer or polymer composite, a porous metal oxide, and other porous materials.Type: ApplicationFiled: August 3, 2011Publication date: June 20, 2013Inventors: Dong-Kyun Seo, Alex Volosin
-
Patent number: 8410211Abstract: The invention is a method of producing an essentially electrically neutral polymer dispersion, comprising a polymerizing one or more monomers in the presence of a nonionic surfactant, wherein the polymerization preferably occurs in the absence of ionic surfactants. The invention also includes methods of producing positively or negatively charged polymer dispersions comprising producing the essentially nonionic polymer dispersion and further adding a cationically-charged or anionically-charged surfactant or electrolyte. The invention further includes dispersions produced by the methods of the invention and polymer films and powders produced from these dispersions.Type: GrantFiled: December 9, 2011Date of Patent: April 2, 2013Assignee: BASF SEInventors: Koichi Takamura, Armin Burghart
-
Patent number: 8383722Abstract: The invention is a method of producing an essentially electrically neutral polymer dispersion, comprising a polymerizing one or more monomers in the presence of a nonionic surfactant, wherein the polymerization preferably occurs in the absence of ionic surfactants. The invention also includes methods of producing positively or negatively charged polymer dispersions comprising producing the essentially nonionic polymer dispersion and further adding a cationically-charged or anionically-charged surfactant or electrolyte. The invention further includes dispersions produced by the methods of the invention and polymer films and powders produced from these dispersions.Type: GrantFiled: July 10, 2012Date of Patent: February 26, 2013Assignee: BASF SEInventors: Koichi Takamura, Armin Burghart
-
Patent number: 8273847Abstract: A medical adhesive comprises a hydrophilic urethane prepolymer (UP) obtained by reacting a fluorine-containing nonaromatic polyisocyanate component (A) and a polyol component (B) having a hydrophilic polyol (B1), and a phenolic radical scavenger (PRS). The content of (PRS) is preferably 0.01 to 3% by weight based on the weight of (UP). The content of oxyethylene groups in (B) is preferably 30 to 100% by weight based on the weight of the oxyalkylene groups in (B). Preferably, (B) is a mixture of a random copolymer obtained by addition of ethylene oxide and propylene oxide to diols and polypropylene glycol. The content of isocyanate groups in the medical adhesive is 1 to 10% by weight based on the weight of (UP). The medical adhesive is suitable for bonding body tissues, such as lung, artery and heart in particular.Type: GrantFiled: March 23, 2005Date of Patent: September 25, 2012Assignee: Sanyo Chemical Industries, LtdInventors: Tetsuji Yoshimura, Tetsuya Yamada, Takehisa Matsuda
-
Patent number: 8217111Abstract: The invention is a method of producing an essentially electrically neutral polymer dispersion, comprising a polymerizing one or more monomers in the presence of a nonionic surfactant, wherein the polymerization preferably occurs in the absence of ionic surfactants. The invention also includes methods of producing positively or negatively charged polymer dispersions comprising producing the essentially nonionic polymer dispersion and further adding a cationically-charged or anionically-charged surfactant or electrolyte. The invention further includes dispersions produced by the methods of the invention and polymer films and powders produced from these dispersions.Type: GrantFiled: April 4, 2007Date of Patent: July 10, 2012Assignee: BASF SEInventors: Koichi Takamura, Armin Burghart
-
Publication number: 20120135141Abstract: A method of coating particles comprises providing a solution comprising reverse micelles. The reverse micelles define discrete aqueous regions in the solution. Hydrophobic nanoparticles are dispersed in the solution. Amphiphilic monomers are added to the solution to attach the amphiphilic monomers to individual ones of the nanoparticles and to dissolve the individual nanoparticles attached with amphiphilic monomers in the discrete aqueous regions. The monomers attached to the nanoparticles are polymerized to form a polymer layer on the individual nanoparticles within the discrete aqueous regions. The polymerization comprises adding a cross-linker to the solution to cross-link the monomers attached to the individual nanoparticles.Type: ApplicationFiled: August 22, 2008Publication date: May 31, 2012Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Jackie Y. Ying, Nikhil R. Jana
-
PROCESS FOR CONTINUOUS PREPARATION OF A PREPOLYMER BASED ON PHENOLIC RESINS, OXAZOLINES AND EPOXIDES
Publication number: 20120121812Abstract: Process for the continuous preparation of prepolymers based on phenolic resin, an oxazoline component and an epoxide in the presence of a catalyst, including supplying the phenolic resin and the oxazoline component to an extruder in a stream A; a Lewis adduct of boron trifluoride or of aluminium trichloride, or arylsulphonic acids or alkylsulphonic acids, or latent arylsulphonic acids or latent alkylsulphonic acids, in a stream B, and the epoxide in a stream C, the infeed of stream A being situated, as seen in extrusion direction, before the infeed of stream C, these reactants are mixed at a reaction temperature of 120 to 200° C. with a residence time in the extruder of 3 seconds to 15 minutes, and then the product discharge of the extruder is cooled to a temperature of less than 45° C. within from 30 to 60 seconds.Type: ApplicationFiled: November 16, 2011Publication date: May 17, 2012Applicant: EVONIK DEGUSSA GmbHInventors: Marianne OMEIS, Franz-Albert von Itter, Thomas Weihrauch -
Patent number: 8158734Abstract: A novel aqueous polymerization process for making fluoropolymers is disclosed in which non-ionic non-fluorinated emulsifier is used to produce fluoropolymer emulsions. The emulsifiers used in the invention are those that contain segments of polyethylene glycol and/or polypropylene glycol with repeating units of 3 to 100.Type: GrantFiled: March 22, 2007Date of Patent: April 17, 2012Assignee: Arkema Inc.Inventors: Ramin Amin-Sanayei, Christyn Olmstead
-
Publication number: 20110288231Abstract: Provided are a resin composition containing a (meth)acrylate compound (A) having a specific structure and a rigid moiety, and a (meth)acrylate compound (B) having a flexible moiety; a resin composition further containing a silane-based (meth)acrylate compound (C-1), an antioxidant (C-2) or an aliphatic compound (C-3) having a specific structure; and an optical component. A resin for an optical component can be produced from those resin compositions, the resin having excellent transparency, causing no cracks, being stable against heat without causing yellowing, and having a low coefficient of thermal expansion, a low water content, excellent shape stability, with excellent mold releasability, and excellent adhesiveness with a coating material that suppresses surface reflection and improves transmittance.Type: ApplicationFiled: December 7, 2009Publication date: November 24, 2011Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Yutaka Obata, Takeshi Iwasaki, Hidetoshi Ono, Tomoaki Takebe
-
Publication number: 20110144271Abstract: The present invention aims to provide a radiation-curing liquid resin composition for optical tridimensional modeling having good storage stability. The suitable radiation-curing liquid resin composition for optical tridimensional modeling of the present invention includes a compound represented by the below general formula (1), a compound having phenolic hydroxyl group, a cationic polymerizable compound, a radical polymerization initiator, a radical polymerizable compound, one or more sulfur compound selected from the group consisting of 2-mercaptobenzothiazole, 2-(4-morpholinodithiobenzothiazole, diisopropylxantogendisulfide and diphenyldisulfide, a polyether polyol compound.Type: ApplicationFiled: June 16, 2006Publication date: June 16, 2011Applicant: JSR CORPORATIONInventors: Katsuyuki Takase, Takayoshi Tanabe, Noriyasu Shinohara
-
Patent number: 7807740Abstract: A two-component reaction resin includes a resin component (A), which contains, as curable constituent (a), at least one free radical-curable, ethylenically unsaturated compound, an agent (b) for adjusting the reactivity and the gel time and at least one comonomer (c) and a curing component (B), which is disposed separate therefrom to inhibit any reaction and is a curing agent for the resin of the resin component (A) and which, as agent (b) for adjusting the reactivity and the gel time, contains a pyrocatechol derivative of the general Formula (I):Type: GrantFiled: December 19, 2007Date of Patent: October 5, 2010Assignee: Hilti AktiengesellschaftInventors: Emin Memet Kumru, Thomas Buergel, Armin Pfeil
-
Publication number: 20100218982Abstract: It is an object of the present invention to provide an epoxy resin composition containing an epoxy compound, a low-molecular-weight phenol-modified polyphenylene ether and a cyanate compound as essential components, the epoxy resin composition having excellent dielectric characteristics and exhibiting high heat resistance while maintaining flame retardancy. To achieve this object, the epoxy resin composition of the present invention is a thermosetting resin composition composed of a resin varnish containing (A) an epoxy compound having a number-average molecular weight of 1000 or less and containing at least two epoxy groups in the molecule without containing any halogen atoms, (B) a polyphenylene ether having a number-average molecular weight of 5000 or less, (C) a cyanate ester compound, (D) a curing catalyst and (E) a halogen flame retardant, wherein all of the components (A) to (C) are dissolved in the resin varnish, while the component (E) is dispersed without being dissolved in the resin varnish.Type: ApplicationFiled: June 30, 2008Publication date: September 2, 2010Applicant: PANASONIC ELECTRIC WORKS CO., LTD.Inventors: Hiroaki Fujiwara, Masao Imai, Yuki Kitai
-
Publication number: 20090298998Abstract: The invention is a method of producing an essentially electrically neutral polymer dispersion, comprising a polymerizing one or more monomers in the presence of a nonionic surfactant, wherein the polymerization preferably occurs in the absence of ionic surfactants. The invention also includes methods of producing positively or negatively charged polymer dispersions comprising producing the essentially nonionic polymer dispersion and further adding a cationically-charged or anionically-charged surfactant or electrolyte. The invention further includes dispersions produced by the methods of the invention and polymer films and powders produced from these dispersions.Type: ApplicationFiled: April 4, 2007Publication date: December 3, 2009Applicant: BASF SEInventors: Koichi Takamura, Armin Burghart
-
Patent number: 7547463Abstract: A method of imparting a non-stick coating to a surface of an aluminum foil sheet, and the resulting foil sheet. The method involves coating at least part (preferably at least 40%) of an area of a surface of a metal sheet article (preferably an aluminum foil sheet) with a substantially solvent-free silicone oil at an average coating application rate in a range of 1.5 to 10 mg/ft2 of the coated surface area. The coated sheet article is then preferably coiled. The coated sheet article is then heated in the presence of air or oxygen at a temperature of 250° C. or higher for a period of time of at least 10 minutes. The treated surface is both non-stick and food-friendly.Type: GrantFiled: June 19, 2006Date of Patent: June 16, 2009Assignee: Novelis Inc.Inventors: Thomas L. Davisson, Sadashiv Nadkarni
-
Patent number: 7368501Abstract: Disclosed is a method of making an environmentally durable material, the method requiring providing a material comprising at least one functional group Fc, and subjecting the material to a free radical source such that substantially all functional groups Fc are eliminated but the material is not polymerized. In one embodiment, the functional group Fc is at least one of a nonaromatic carbon-carbon double bond, a hydrogen atom alpha to an aromatic ring, a hydrogen atom alpha to a carbon-carbon double bond, or a hydrogen atom attached to a tertiary substituted carbon. In another embodiment, functional group Fc is present in the material as a contaminant. In one exemplary embodiment, the material comprises from 0.05 to less than 15% by weight of functional group Fc, based on the total weight of the material.Type: GrantFiled: June 11, 2004Date of Patent: May 6, 2008Assignee: BASF CorporationInventors: Walter H. Ohrbom, Marvin L. Green, Gregory G. Menovcik
-
Patent number: 7321013Abstract: Disclosed is a method of making reduced VOC polymers and coating compositions containing such polymers. Provided is a mixture (I) comprising a reactant mixture (a) of polymerizable components and a nonvolatile solvent (bnv) that (i) is not a crystalline solid at 25° C., (ii) is nonvolatile, (iii) comprises at least one functional group (F1) and (iv) is a fluid solid. Reactant mixture (a) is polymerized to provide a polymer (a?). The at least one functional group (F1) of nonvolatile solvent (bnv) is reacted with one or more reactants (e) to obtain a nonvolatile solvent (b?nv) comprising at least two functional groups (F2). Obtained is a mixture (II) comprising polymer (a?) in nonvolatile solvent (b?nv) comprising at least two functional groups (F2). The at least one functional group (F1) is substantially nonreactive: (1) with the components of reactive mixture (a), (2) under the polymerization conditions which polymerize reactant mixture (a), and (3) with polymer (a?).Type: GrantFiled: June 11, 2004Date of Patent: January 22, 2008Assignee: BASF CorporationInventors: Walter H. Ohrbom, Marvin L. Green, Gregory G. Menovcik
-
Patent number: 7074851Abstract: The invention relates to a process for preparing stabilized compositions based on polyamide. The stabilizer is a phosphorus stabilizer selected from phosphorous acid and hypophosphorous acid. It is introduced before or during the polymerization of the polyamide. The use of these stabilizers prevents foaming phenomena.Type: GrantFiled: December 21, 2001Date of Patent: July 11, 2006Assignee: Nylstar S.A.Inventors: Thierry Charbonneaux, Jean-François Thierry
-
Patent number: 6989429Abstract: Prepolymer compositions for preparing a one-part, moisture-curable sealant, adhesive or coating, and a method of making such prepolymer compositions are provided. The prepolymer compositions comprise a polyurethane prepolymer that is end-capped with silane groups or a combination of silane groups and end capping groups that have been derived from an alcohol and an amount, referred to hereinafter as an “excess”, of unreacted aromatic alcohol having a molecular weight of less than 2000. The excess of unreacted aromatic alcohol in the composition is from greater than 0% to 15% by mole of the level of original NCO groups in the prepolymer. From 50 to 100% of the original NCO groups are end-capped with silane groups, and from 0 to 50% of the original NCO groups are end-capped with a end-capping group that has been derived from an aromatic alcohol, an aliphatic alcohol or both. Sealant compositions and coating compositions comprising the present prepolymer composition are also provided.Type: GrantFiled: October 2, 2003Date of Patent: January 24, 2006Assignee: Tremco IncorporatedInventor: Ta-Min Feng
-
Patent number: 6740706Abstract: The invention relates to an economical method of making a polymer having reduced VOCs and coating compositions containing such polymers. In one embodiment, the method of invention requires providing a reactant mixture (a), providing a solvent mixture (b) comprising a reactive component (c) which is substantially free of any heteroatoms and is not a crystalline solid at room temperature and comprises (i) from 12 to 72 carbon atoms, and (ii) at least two functional groups, and subjecting the reactant mixture (a) in the solvent mixture (b) to polymerization conditions sufficient to polymerize reactant mixture (a) to provide a mixture (d) of a polymer (a′) in solvent mixture (b), wherein reactive component (c) under the polymerization conditions is substantially nonreactive: (1) with the components of reactive mixture (a), (2) in the polymerization of reactant mixture (a) and (3) with the polymer (a′).Type: GrantFiled: December 7, 2001Date of Patent: May 25, 2004Assignee: BASF CorporationInventors: Walter H. Ohrbom, Robert D. Weise, James A. Laugal
-
Patent number: 6713569Abstract: A method for preparing a thermoplastic elastomer is disclosed, said method comprising (I) mixing (A) a rheologically stable polyamide resin having a melting point or glass transition temperature of 25° C. to 275° C., (B) a silicone base comprising (B′) 100 parts by weight of a diorganopolysiloxane gum having a plasticity of at least 30 and having an average of at least 2 alkenyl radicals in its molecule and (B″) 5 to 200 parts by weight of a reinforcing filler, the weight ratio of said silicone base to said polyamide resin is from 35:65 to 85:15, (C) 0.Type: GrantFiled: October 26, 2001Date of Patent: March 30, 2004Assignee: Dow Corning CorporationInventors: Igor Chorvath, Frances Marie Fournier, Michael Kang-Jen Lee, Dawei Li, Robert Leo Oldinski, Richard Leroy Rabe, Jeffrey Paul Sage, Dean Curtis Gray, Yongjun Lee, Koji Nakanishi
-
Publication number: 20040006174Abstract: The present invention relates to a polyamideimide resin solution preparable by reacting (a) aromatic polycarboxylic acids and/or their anhydrides with (b) aromatic imide- and amide-forming components in cresol at temperatures above 170° C., to the use of this polyamideimide solution for the preparation of wire enamels, to the wire enamels in question, and to the enamelled wires coated therewith.Type: ApplicationFiled: July 14, 2003Publication date: January 8, 2004Inventors: Sascha Tdter Knig, Klaus Wilhelm Lienert, Gerold Schmidt
-
Patent number: 6506838Abstract: Modified oxymethylene polymers comprising a linear polymer of oxymethylene repeat units, blocked at one end by at least one terminal group selected from the group consisting of an alkylene oxide as an adduct to alcohol and an alkylene oxide as an adduct to carboxylic acid, the linear polymer excluding the terminal group having a number average molecular weight of 10,000-500,000 and the modified oxymethylene polymer having a molecular weight distribution (Mw/Mn) of not more than 2.5, obtained by anionic polymerization of formaldehyde and the alkylene oxide as an adduct to alcohol and/or carboxylic acid. The present modified oxymethylene polymers can give moldings with improved repeated impact resistance at the welded parts and controlled smell generation, and improved sliding characteristics, wherein the sliding characteristics are further improved upon combination with an olefinic polymer.Type: GrantFiled: October 25, 2000Date of Patent: January 14, 2003Assignee: Asahi Kasei Kabushiki KaishaInventor: Toshiharu Seyama
-
Patent number: 6433074Abstract: Provided is a vinyl chloride polymer production process comprising the steps of polymerizing in an aqueous medium a vinyl chloride monomer alone or a mixture of monomers including the vinyl chloride monomer, and adding an antioxidant to starting materials or a polymerization reaction mixture. As the antioxidant, a mixed antioxidant comprised of an antioxidant A which is liquid at 20° C. and an antioxidant B which is powdery at 20° C. is used. This process is well operable, enables polymerization to be sufficiently terminated using an antioxidant in a small quantity and enables production of vinyl chloride polymers having less uneven plasticizer absorption and having both good anti-initial-discoloration properties and good thermal stability.Type: GrantFiled: August 8, 2000Date of Patent: August 13, 2002Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Makoto Ooura, Tadashi Amano
-
Patent number: 6423417Abstract: A non-stick polymer coated aluminum foil and method of making it. The polymer coating composition comprises a silicone resin, a silicone release agent, a silicone curing agent, a hindered phenol antioxidant and a solvent. The method of making the non-stick polymer coated aluminum foil includes applying the polymer coating composition on at least a portion of one side of the aluminum foil and partially curing the coating composition to allow handling and future processing of the coated aluminum foil without blocking of the coating composition. The curing of the coating composition is completed by heating the coated aluminum foil in bulk.Type: GrantFiled: May 24, 2000Date of Patent: July 23, 2002Assignee: Reynolds Metals CompanyInventor: Bruce Robbins
-
Publication number: 20020086937Abstract: A method for preparing a thermoplastic elastomer is disclosed, said method comprising (I) mixingType: ApplicationFiled: October 26, 2001Publication date: July 4, 2002Inventors: Igor Chorvath, Frances Marie Fournier, Michael Kang-Jen Lee, Dawei Li, Robert Leo Oldinski, Richard Leroy Rabe, Jeffrey Paul Sage, Dean Curtis Gray, Yongjun Lee, Koji Nakanishi
-
Publication number: 20020061365Abstract: The invention relates to aqueous emulsions, a process for the preparation and the use thereof.Type: ApplicationFiled: July 9, 1997Publication date: May 23, 2002Inventors: WOLFGANG GRAPE, RUDI STRACKE, FRANK ZILLMER, ARMAND DE MONTIGNY
-
Patent number: 6271295Abstract: A composition comprising the hydrosilylation addition product of a linear alkenyl functionalized polyorganosiloxane and an organohydrogen siloxane stabilize non-aqueous emulsions utilizing non-aqueous organic hydroxylic solvents and when dispersions of the addition product in a carrier solvent are subjected to a particle size reduction process that includes flow induced shearing, the new compositions provide for components in personal care formulations that have improved spreadability and substance as a consequence of a unique particle size distribution. The continuous phase of the emulsion comprises a non-aqueous phase.Type: GrantFiled: March 3, 1998Date of Patent: August 7, 2001Assignee: General Electric CompanyInventors: Virginia Van Valkenburgh Powell, Amy-Elizabeth Kasson
-
Publication number: 20010007890Abstract: Stabilized styrene polymers comprising one or more vinylaromatic monomers, one or more comonomers and one or more antioxidants are prepared by polymerizing the monomers continuously and adding the antioxidants during the continuous polymerization.Type: ApplicationFiled: November 30, 2000Publication date: July 12, 2001Inventors: Norbert NieSsner, Peter Barghoorn, Axel Gottschalk, Wolfgang Fischer, Zafirios Grammatis
-
Patent number: 6251314Abstract: The present invention relates to a process for the preparation of microencapsulated polymers having a high surface smoothness, a soluble fraction of less than 6%, and a swelling index of between 1.3 and 9 by polymerizing a microencapsulated monomer mixture suspended in an aqueous phase containing at least one hydroxyaromatic compound as polymerization inhibitor, wherein the microencapsulated monomer mixture contains (a) 34 to 99.7% by weight of a monomer having one polymerizable C═C double bond, (b) 0.1 to 15% by weight of a crosslinking agent having at least 2 polymerizable C═C double bonds, (c) 0.2 to 1.0% by weight of at least one aliphatic peroxyester as polymerization initiator, and (d) 0 to 50% by weight of additives, the percentages being based on the sum of the components (a) to (c).Type: GrantFiled: June 4, 1999Date of Patent: June 26, 2001Assignee: Bayer AktiengesellschaftInventors: Olaf Halle, Werner Strüver, David Bryan Harrison, Wolfgang Podszun
-
Patent number: 6133403Abstract: Disclosed are acid hardenable phenolic resin compositions and novolac compositions modified with about 5 to about 15% by weight of at least one reactive diluent selected from the group consisting of benzylic alcohol, benzylic ether, ethylene glycol, 1,3-butylene glycol, monoallyl or methylallyl ethers of poly(methylol) alkanes, monoallyl ether of glycerine, allyl or methallyl glycidyl ether, N-acylated arylamine, N-acylated naphthylamine, N-substituted arylsulfonamide, and N-substituted arylamine. The reactive diluent can be used to improve impact resistance and flexibility of the acid hardenable phenolic resin. Preferably, the methods for modifying mix life of acid hardenable phenolic resin by use of aryl phosphite and benzylic alcohol, and methods for modifying novolac resins, as well as methods for making the present compositions and products, such as coiled filament pipe and laminate panels, employing the compositions are also disclosed.Type: GrantFiled: October 7, 1998Date of Patent: October 17, 2000Assignee: Borden Chemical, Inc.Inventor: Arthur H. Gerber
-
Patent number: 6100364Abstract: A water-reducible binder for coatings comprises the reaction products of a) a phenolic resin comprising the reaction product of bisphenol A, t-butyl phenol and formaldehyde; b) an alkylene carbonate alkoxylating agent; c) a diol selected form the group consisting of 1,4-cyclohexanedimethanol, 3,5,5-trimethylpentane diol and neopentyl glycol; and d) trimellitic anhydride. Methods for preparing such a water-reducible binder and coating systems comprising such a binder are also disclosed.Type: GrantFiled: May 4, 1999Date of Patent: August 8, 2000Assignee: U.S. Polymers, Inc.Inventors: Robert J. Gaal, Jr., Roger W. Heitland
-
Patent number: 6060546Abstract: A non-aqueous silicone emulsion containing a silicone phase and an organic phase is useful as a component in various personal care compositions. The silicone phase contains a crosslinked silicone elastomer and a low molecular weight silicone fluid and the organic phase contains an organic liquid.Type: GrantFiled: November 17, 1998Date of Patent: May 9, 2000Assignee: General Electric CompanyInventors: Virginia V. Powell, Amy-Elizabeth Kasson, John A. Kilgour, An-Li Kuo
-
Patent number: 6036869Abstract: A method for improving the flocculation of suspended solids in a Bayer process liquor in a primary settler stage. The method includes the step of adding to a primary settler feed a composition including water-continuous polymer, said polymer being hydrolyzable in a Bayer process liquor to an acid form, said acid form being an active red mud flocculent. A novel emulsion, and a polymerization technique for obtaining high molecular weight emulsions are also disclosed.Type: GrantFiled: December 12, 1997Date of Patent: March 14, 2000Assignee: Nalco Chemical CompanyInventors: Radhakrishnan Selvarajan, Everett C. Phillips
-
Patent number: 5977222Abstract: A chloroprene rubber latex for an adhesive containing a chloroprene rubber polymer which forms a copolymer with a chloroprene monomer and carboxyl-group containing vinyl monomer and which, when dissolved in chloroform to a concentration of 10% by weight, provides a solution free from organic solvent insolubles and having a solution viscosity of 100 mpa.multidot.s to 6000 mpa.multidot.s, a process for production thereof, and an adhesive composition using the same.Type: GrantFiled: July 15, 1996Date of Patent: November 2, 1999Assignee: Tosoh CorporationInventors: Hisamasa Wakayama, Tadashi Hayashi, Yukihiko Harada
-
Patent number: 5959025Abstract: The present invention relates to a method for making nitrosamine-free silicone articles by treating the mixture of vinyl containing organopolysiloxane and filler with hindered phenols, a nitrosamine-free composition and a nitrosamine-free article made therefrom. A preferred nitrosamine-free molded article is a baby bottle nipple.Type: GrantFiled: June 26, 1996Date of Patent: September 28, 1999Assignee: General Electric CompanyInventors: Larry Neil Lewis, Edward Matthew Jeram
-
Patent number: 5721312Abstract: Aqueous polymer dispersions are obtained by polymerizing a monomer mixture which contains from 10 to 100% by weight of halogenated monomers by radical emulsion polymerization in aqueous medium, adjusting the pH of the aqueous phase of the resulting aqueous polymer dispersion to from 5 to 10 by addition of bases which differ from ammonia and from primary and secondary amines, and adding from 0.005 to 1% of the weight of the monomer mixture of one or more substances from the group comprising glycerol, pivalic acid, paraldehyde, 2,6-di-tert-butyl-p-cresol, benzophenone, alkyl-substituted benzophenones, thiosulfuric acid and salts thereof, and oxalic acid and salts thereof, it being possible to add both the bases and the one or more substances before, during and/or after the emulsion polymerization.Type: GrantFiled: July 22, 1991Date of Patent: February 24, 1998Assignee: BASF AktiengesellschaftInventors: Heinrich Grubert, Rolf Dersch
-
Patent number: 5719229Abstract: This invention relates to solid elastomeric polyurethanes prepared by reacting, in an open mold at an isocyanate index of 80 to 120,(a) an isocyanate prepolymer having an isocyanate content of 3 to 15% by weight and a number average molecular weight of 550 to 20,000 prepared by the reaction of(1) organic polyisocyanates having 2 to 3 NCO groups, and(2) isocyanate-reactive polyester polyols having two to three isocyanate-reactive hydroxyl groups and a number average molecular weight of 400 to 10,000 and prepared in the presence of an esterification catalyst, and optionally containing other isocyanate-reactive compounds,wherein the equivalent ratio of isocyanate groups to isocyanate-reactive groups is 1.2:1 to 34:1;(b) a diol chain extender, optionally in admixture with a crosslinker and/or an amino-containing chain extender and/or crosslinker;(c) 0.001 to 10% by weight, based on the weight of the isocyanate prepolymer, of a catalyst; and(d) 0.Type: GrantFiled: December 28, 1995Date of Patent: February 17, 1998Assignee: Bayer CorporationInventors: Richard S. Pantone, Ashok M. Sarpeshkar
-
Patent number: 5652289Abstract: A method for making a polymer, includes the step of polymerizing a mixture of a vinyl ester monomer, a (C.sub.1 -C.sub.12)alkyl (meth)acrylate monomer and a mono ethylenically unsaturated polar monomer by free radical initiated polymerization in an aqueous medium and in free presence of a colloidal stabilizer, a first poly(alkoxylated) alkyl phenol having less than or equal to 12 alkoxyl units per molecule and a second poly(alkoxylated) alkyl phenol having greater than 12 alkoxyl units per molecule, to form an emulsion of the polymer in the aqueous medium.Type: GrantFiled: October 11, 1995Date of Patent: July 29, 1997Assignee: Rohm and Haas CompanyInventors: Eric Karl Eisenhart, Bradley Anson Jacobs
-
Patent number: 5543457Abstract: The present invention relates to a method for making nitrosamine-free silicone articles by treating the mixture of vinyl containing organopolysiloxane and filler with hindered phenols, a nitrosamine-free composition and a nitrosamine-free article made therefrom. A preferred nitrosamine-free molded article is a baby bottle nipple.Type: GrantFiled: December 7, 1994Date of Patent: August 6, 1996Assignee: General Electric CompanyInventors: Larry N. Lewis, Edward M. Jeram
-
Patent number: 5424376Abstract: The invention relates to an ester cured no-bake foundry binder system preferably comprising as separate components (a) an aqueous basic solution of a phenolic resole resin; and (b) a hardener comprising (i) a polyphenol resin, and (ii) a liquid ester. Alternatively, the polyphenol resin can be used as a separate component. The foundry binder systems produce foundry shapes with improved tensile strengths when compared to foundry shapes which are prepared from foundry binder systems which do not contain a polyphenol resin.Type: GrantFiled: October 4, 1993Date of Patent: June 13, 1995Assignee: Ashland Inc.Inventors: Ken K. Chang, William R. Dunnavant, Robert B. Fechter, Gary R. Hysell
-
Patent number: 5391615Abstract: A rosin/hydrocarbon hybrid resin is disclosed to be prepared by reacting rosin with a phenolic compound and an aldehyde to form a phenol-modified rosin intermediate which is reacted with dicyclopentadiene at elevated pressure and temperature to form the rosin/hydrocarbon resin. The resin is particularly useful as a lithographic printing ink resin.Type: GrantFiled: October 28, 1992Date of Patent: February 21, 1995Assignee: Westvaco CorporationInventor: Gary B. Womack
-
Patent number: 5344865Abstract: Aqueous polymer dispersions are obtainable by polymerizing a monomer mixture which contains from 10 to 100% by weight of halogenated monomers in the presence of from 0.5 to 6% by weight, based on the monomer mixture, of exclusively anionic and/or non-ionic emulsifiers by radical emulsion polymerization in aqueous medium, and adjusting the pH of the aqueous phase of the resulting aqueous polymer dispersion to from 5 to 10 by addition of bases which are different from ammonia and from primary and secondary amines, it being possible for the bases to be added before, during and/or after the emulsion polymerization.Type: GrantFiled: September 14, 1992Date of Patent: September 6, 1994Assignee: BASF AktiengesellschaftInventors: Heinrich Grubert, Rolf Dersch
-
Patent number: 5338606Abstract: Disclosed are polyester adhesive compositions which exhibit increased melt viscosity and improved adhesion comprised of residues of terephthalic acid, ethylene glycol and diethylene glycol and having reacted therewith or copolymerized therein the residue of a phosphite ester compound and optionally containing a phenolic antioxidant. Also disclosed are articles coated with the polyester compositions and bonded laminate articles based on the compositions.Type: GrantFiled: July 12, 1993Date of Patent: August 16, 1994Assignee: Eastman Chemical CompanyInventors: Alan W. White, Barry G. Pearcy, Marc A. Strand, Joey C. Carico
-
Patent number: 5260361Abstract: Disclosed is a coating composition comprising (A) 10 to 70 parts by weight of a poly(meth)acrylate of mono- or polypentaerythritol, (B) 5 to 50 parts by weight of a urethane poly(meth)acrylate having at least two unsaturated double bonds in the molecule, (C) 5 to 50 parts by weight of a poly[(meth)acryloyloxyalkyl] (iso)cyanurate, (D) 2 to 30 parts by weight of an ultraviolet absorber, (E) 0.1 to 10 parts by weight of a photopolymerization initiator, and (F) 0.1 to 5 parts by weight of a hindered amine type light stabilizer, provided that the combined amount of components (A) to (F) is 100 parts by weight. This coating composition can form a crosslinked and cured film having excellent abrasion resistance, surface smoothness, thermal resistance, chemical resistance, durability, weather resistance and adhesion to the substrate.Type: GrantFiled: November 18, 1992Date of Patent: November 9, 1993Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Hiroshi Fukushima, Misao Tamura, Osamu Takemoto, Takaji Kawaguchi
-
Patent number: 5008329Abstract: A process for producing an aqueous copolymer dispersion is disclosed, which comprises emulsion polymerizing 100 parts by weight of a vinyl monomer mixture comprising (A) from 60 to 99.8% by weight of an acrylic ester of an aliphatic saturated alcohol having from 4 to 8 carbon atoms, (B) from 0.2 to 10% by weight of a monomer selected from the group consisting of an .alpha.,.beta.-unsaturated carboxylic acid, an .alpha.,.beta.-unsaturated carboxylic acid anhydride, a 2-hydroxyalkyl acrylate, a 2-hydroxyalkyl methacrylate, acrylamide, methacrylamide, methylolacrylamide, and methylolmethacrylamide, and (C) up to 30% by weight of a vinyl monomer other than the monomers (A) and (B) in the presence of from 0.01 to 10 parts by weight of a compound having an allyl hydrogen atom, with a total amount of the monomers (A), (B) and (C) being 100% by weight.Type: GrantFiled: October 10, 1989Date of Patent: April 16, 1991Assignee: Mitsubishi Yuka Badische Co., Ltd.Inventors: Tadashi Abe, Masahiro Aoki, Tsunenori Takahashi, Takeshi Awata
-
Patent number: 4894411Abstract: Provided herein is a composite material which comprises a polyamide-containing resin, a layered silicate dispersed therein, and a substance such as polyamine which controls the crystalline structure or molecular structure of the resin. The composite material has improved mechanical strength and toughness and high clarity or transparency.Type: GrantFiled: March 14, 1988Date of Patent: January 16, 1990Assignee: Kabushiki Kaisha Toyota Chuo KenkyushoInventors: Akane Okada, Masaya Kawasumi, Masao Kohzaki, Megumi Fujimoto, Yoshitsugu Kojima, Toshio Kurauchi, Osami Kamigaito
-
Patent number: 4849465Abstract: A composition of matter comprising the reaction product of a cyanuric acid reactant, an aliphatic vicinal diol reactant and a carboxyl reactant, a method for producing the same, a magnet wire coated therewith and an electromagnetic device utilizing the same.Type: GrantFiled: July 1, 1988Date of Patent: July 18, 1989Assignee: Phelps Dodge Industries, Inc.Inventors: Michael W. Lindvay, Allan R. Knerr, George H. Sollner