Solid Graft Or Solid Graft-type Copolymer With Other Solid Polymer, Sicp, Or Spfi Patents (Class 524/504)
-
Patent number: 6417259Abstract: The present invention relates to a process of forming a high damping, soft polymer gel. The method involves mixing a polyalkylene grafted poly(alkenyl-co-maleimide) with a poly(alkenyl-co-maleimide) and an extender so as to form a gel.Type: GrantFiled: June 5, 2000Date of Patent: July 9, 2002Assignee: Bridgestone CorporationInventors: Xiaorong Wang, Victor J. Foltz
-
Publication number: 20020086933Abstract: Phase change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device in which recording is conducted by thermally melting the ink at a temperature above ambient temperature (20° C.Type: ApplicationFiled: December 20, 2001Publication date: July 4, 2002Applicant: Westvaco CorporationInventor: Michael D. Matzinger
-
Patent number: 6414068Abstract: There is provided an olefin-based resin composition which may be applied to the coatings of electrical cables used in automobiles. The coatings have neatly balanced properties to satisfy product requirements, such as wear and flame resistance, tensile strength, flexibility, and heat and freeze resistance. The olefin-based resin composition includes: (i) polymeric material in an amount of 100 parts by weight which includes: (a) about 30 to 94 parts by weight of propylene polymer portion including at least one propylene polymer having a melt flow rate of up to about 5 g/10 min; (b) about 1 to 20 parts by weight of at least one polyolefin, a proportion of about 0.1 to 10% by weight of which is structurally modified through maleic acid anhydride treatment, so that the at least one polyolefin has a Shore D hardness of at least about 50; and (c) about 5 to 50 parts by weight of at least one olefin-based polymer, a proportion of about 0.Type: GrantFiled: January 16, 2001Date of Patent: July 2, 2002Assignees: Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Masashi Sato, Tatsuya Hase, Hiroshi Fujimoto
-
Patent number: 6414064Abstract: The polyamide resin composition of the present invention comprises 100 parts by weight of a polyamide resin (A) having dicarboxylic acid units (a) comprising from 60 to 100 mol % of terephthalic acid repeat units and diamine units (b) comprising from 60 to 100 mol % of C6-18 aliphatic alkylenediamine repeat units, and from 1 to 100 parts by weight of a polybromostyrene (B), comprising from 0.5 to 100% by weight of a polybromostyrene having an epoxy group. Molded articles prepared from the polyamide resin composition of the present invention have good flame retardancy, good chemical resistance, good surface appearance and good blistering resistance.Type: GrantFiled: September 12, 2001Date of Patent: July 2, 2002Assignee: Kuraray Co., Ltd.Inventors: Hideharu Matsuoka, Hideaki Oka, Shigeru Sasaki
-
Publication number: 20020082326Abstract: An additive mixture containing a dibenzoate and either or both of a compound containing at least one structural unit 1Type: ApplicationFiled: September 18, 2001Publication date: June 27, 2002Inventors: Wolfgang Siebourg, Edgar Leitz, Herbert Eichenauer
-
Publication number: 20020082335Abstract: A thermoplastic molding composition comprising A) a thermopolastic polymer, e.g., a copolymer of styrene and acyrlonitrile, B) a graft copolymer, e.g., a graft copolymer of styrene, acrylonitrile and polybutadiene, and C) an additive mixture is described. The additive mixture C) comprises a combination of at least three components selected from components (I), (II), (III) and (IV). Component (I) contains carboxylic acid metal salt groups, e.g., magnesium stearate. Component (II) contains both carboxylic acid ester linkages and thio linkages, e.g., esters of p-thiodipropionic acid with monhydric alcohols. Component (III) contains amide linkages, e.g., ethylenediamine bisstearyl amide. Component (IV) is a compound that is different than components (I)-(III), e.g., a low molecular weight styrene/acrylonitrile copolymer. Also described are molded articles prepared from the thermoplastic molding composition of the present invention.Type: ApplicationFiled: September 18, 2001Publication date: June 27, 2002Inventor: Herbert Eichenauer
-
Patent number: 6399695Abstract: The purposes of the present invention are to provide highly impact-resistant thermoplastic polyester resin inexpensively and promote the recycling of PET bottles, which are dumped as waste. To attain the purposes, a carboxyl-modified metallocene catalyzed polyolefin elastomer or a glycidyl methacrylate adduct to the elastomer is melt-blended with a thermoplastic polyester resin, particularly, the powder of recycled PET bottles. Additionally, a filler can be mixed, if necessary.Type: GrantFiled: June 30, 1998Date of Patent: June 4, 2002Assignee: Kishimoto Sangyo Co., Ltd.Inventors: Takeshi Moriwaki, Toshiharu Sakaguchi
-
Patent number: 6383439Abstract: This invention relates to grafted ethylene-higher &agr;-olefin polymers and blends thereof. Preferred grafted ethylene-higher &agr;-olefin polymers are multimodal EPDM's having 5-40 weight % of a higher molecular weight, higher ethylene content, lower diene content fraction grafted with maleic anhydride. These polymers can then be used as modifiers for additional polymers such as polyamides, polyesters, and other EPDM's.Type: GrantFiled: May 24, 1999Date of Patent: May 7, 2002Assignee: ExxonMobil Chemical Patents Inc.Inventor: Jean-Roch H. Schauder
-
Patent number: 6380306Abstract: Thermoplastic molding materials of A) from 72 to 88.5% by weight of a thermoplastic styrene or &agr;-methylstyrene polymer or copolymer, B) from 10 to 20% by weight of a first graft polymer having an average particle diameter d50 from 400 to 600 nm, having an n-butyl acrylate based rubber-elastic graft core, and a styrene or &agr;-methylstyrene (co)polymer graft shell, C) from 1.5 to 8% by weight of a second graft polymer having a bimodal particle size distribution, the average particle diameter d50 being from 25 to 200 nm and from 350 to 550 nm, having a butadiene or isoprene polymer or copolymer based rubber-elastic graft core, and a styrene or &agr;-methylstyrene (co)polymer graft shell, D) from 0 to 50% by weight of conventional additives, where the graft polymers B) and C) constitute from 11.5 to 25% by weight of components A), B) and C), and components A) to D) amount to 100% by weight.Type: GrantFiled: March 25, 1999Date of Patent: April 30, 2002Assignee: BASF AktiengesellschaftInventors: Peter Ittemann, Rainer Neumann, Joachim Seibring, Bernhard Rosenau, Manfred Kötting, Christophe Ginss, Norbert Güntherberg, Christian Meyer
-
Patent number: 6376600Abstract: Aqueous dispersion of copolymers formed by the polymerization of a monomer mixture containing 0.05% to less than 4.5% by weight of certain terminally unsaturated oligomers are useful for improving the scrub resistance, corrosion resistance, opacifying capacity and/or efflorescence resistance of a coating.Type: GrantFiled: December 11, 2000Date of Patent: April 23, 2002Assignee: Rohm and Haas CompanyInventors: Robert David Solomon, Bradley Keith Hageman, Leo Joseph Procopio, Margo Raate Schaefer, Gary David Greenblatt, Stephen Scott Edwards, Gary Robert Larson, Alvin Michael Maurice, Stewart Orlyn Williams, Patricia Marie Lesko, Peter Reeves Sperry
-
Patent number: 6376597Abstract: A pigment dispersion comprising pigment, an aqueous carrier selected from water and a mixture of water and at least one organic solvent, and a pigment dispersant is described. The pigment dispersant is prepared by polymerizing (i) at least one prepolymer having a radically polymerizable group, and (ii) at least one second monomer. The prepolymer is prepared by controlled radical polymerization, e.g., atom transfer radical polymerization, of at least one radically polymerizable first monomer. The second monomer forms a polymeric backbone segment of the pigment dispersant, and the prepolymer forms polymeric segments that are pendent to the backbone. The backbone segment of the pigment dispersant in hydrophobic, while at least a portion of each pendent polymeric segment is hydrophilic.Type: GrantFiled: December 16, 1999Date of Patent: April 23, 2002Assignee: PPG Industries Ohio, Inc.Inventors: Simion Coca, Gregory J. McCollum, James B. O'Dwyer, Brian E. Woodworth
-
Patent number: 6372840Abstract: In a dispersion containing acrylic polymer microparticles, particularly useful in automotive coatings, the dispersion is formed by free radical addition copolymerization of unsaturated monomers in a hydrocarbon dispersing medium in the presence of first and second polymeric dispersion stabilizers. The first polymeric dispersion stabilizer has an acrylic backbone and polyester side chains, and the second polymeric dispersion stabilizer is a branched polyester formed from the reaction of polyol, polyacid or anhydride, and fatty acid.Type: GrantFiled: June 28, 2000Date of Patent: April 16, 2002Assignee: PPG Industries Ohio, Inc.Inventors: Mohamad D. Shalati, Susana C. Steppan, Michael A. Mayo
-
Patent number: 6365664Abstract: The present invention, which addresses the needs of the prior art, provides irreversible, hydrophilic gels which can be incorporated into dressing compositions, dermatologically compatible compositions, wound packings, wound dressings, burn dressings, drug delivery dressings, dry films, cosmetic masks and cosmetic wrap dressings. The gels of the invention include a blend of a hydrophilic poly(aldehyde) and a polymer selected from the group consisting of a poly(amide), a poly(amine) and a poly(alcohol).Type: GrantFiled: July 25, 2000Date of Patent: April 2, 2002Assignee: Hydromer, Inc.Inventor: Micahel Eknoian
-
Patent number: 6365656Abstract: Liquid dispersion polymer compositions which comprise microparticles of a hydrophilic, water soluble or swellable polymer, preferably an acrylic-based polymer, dispersed in a di- or triglyceride oil such as soybean oil and an oil-in-water surfactant, are useful to prepare microparticulate thickening systems to thicken aqueous or aqueous/organic compositions, particularly for use in personal care and pharmaceutical formulations. The preparation and the use of these liquid dispersion polymer compositions is described.Type: GrantFiled: April 5, 2000Date of Patent: April 2, 2002Assignee: Ciba Specialty Chemicals CorporationInventors: Michael Green, Eleanor Bernice Ridley, Dwayne Erick Gavin
-
Patent number: 6365272Abstract: A two-part sizing system for making colorless, densified fiber pellets of a reinforcing fiber material. The densified product may be advantageously produced by first applying a precursor size composition to reinforcing fiber strands, chopping the reinforcing fiber strands into chopped strand segments, applying a binder size, and densifying the chopped strand segments to form densified fiber pellets. The binder size is formulated using a copolymer of maleic anhydride which generates a product free from discoloration. In the process of making the pellets, the sized chopped strands are densified by tumbling in a rotating chamber for a period of time sufficient to increase their density but insufficient to degrade the fibers to a point where composite articles formed from such pellets have lower tensile or impact strengths than comparable composite articles formed from unpelletized strand segments.Type: GrantFiled: December 29, 1999Date of Patent: April 2, 2002Assignee: Owens Corning Fiberglas Technology, Inc.Inventors: Nadia Masson, Jean-Marc Henrion, James Laurence Thomason, Leonard Joseph Adzima, Terry Linn Cheney, Willy Piret, Marc Cossement
-
Patent number: 6362274Abstract: The invention relates to grafted copolymers comprising at least three sequences of distinct chemical nature, among which one or more sequence(s) for anchoring on solid particles, one or more sequence(s) of hydrophobic character and one or more sequence(s) of hydrophilic character. The invention also concerns their process of preparation, the compositions containing them, their use as agent for dispersing, stabilizing solid particles and/or emulsifying in an aqueous and/or organic medium, as well as use thereof for preparing pigmentary dispersions in aqueous and/or organic medium.Type: GrantFiled: February 23, 1999Date of Patent: March 26, 2002Assignee: Les Peintures JefcoInventors: Pierre Legrand, Gerard Riess, Jean-Phillipe Lerch, Daniel Lefevre
-
Patent number: 6350800Abstract: A polymeric gel composition comprising a polymer including an anhydride unit and an alkenyl unit, a crosslinking agent, a maleated polyalkylene, an extender, and an organic fatty acid is provided. The polymeric gel composition has superior high-temperature stability, mechanical strength, and moldability.Type: GrantFiled: June 5, 2000Date of Patent: February 26, 2002Assignee: Bridgestone CorporationInventors: Xiaorong Wang, James E. Hall, Victor J. Foltz
-
Publication number: 20020022686Abstract: The present invention relates to thermoplastic resin composition comprising:Type: ApplicationFiled: June 13, 2001Publication date: February 21, 2002Inventors: Hiroyuki Itoh, Hiroaki Miyazaki, Keigo Higaki, Masahiko Noro
-
Patent number: 6348542Abstract: This invention relates to multiphase structured polymer particles comprising at least two rubber component phases (I) formed by copolymerization of monomer mixtures comprising an acrylate ester and a polyfunctional monomer, a thermoplastic resin component phase (II) formed by copolymerization of a monomer mixture comprising a methacrylate ester and other monomers, and satisfying the following conditions (1)-(5). (1) The number average molecular weight of the thermoplastic resin component forming the outermost phase is 30,000 or less. (2) The weight ratio of phase (I)/phase (II) is 30/70-80/20. (3) Of the adjacent phases (1), a specific relation holds regarding the solubility in water of the monomer mixtures forming the nth and n+1th phases. (4) A specific relation holds between the refractive index of phase (I) and the refractive index of phase (II). (5) The average particle size is 150 nm or less.Type: GrantFiled: October 4, 2000Date of Patent: February 19, 2002Assignee: Kuraray Co., Ltd.Inventors: Tatsuya Naruse, Takao Hoshiba, Kazutoshi Terada, Takashi Yamashita, Yuichi Katoh
-
Patent number: 6342550Abstract: The purpose of the present invention is to provide a flame-retardant polycarbonate resin composition which contains phosphorus-free flame-retardant(s), has an excellent impact resistance, an excellent heat resistance as well as an excellent moldability, and can satisfy a severe flammability level. According to the present invention, there is provided a flame-retardant polycarbonate resin composition which comprises (A) 100 parts by weight of an aromatic polycarbonate resin, (B) 0.01-5 parts by weight of an organic sulfonic acid metal salt, (C) 0.01-5 parts by weight of a fluorinated polyolefin, (D) 0.2-20 parts by weight of a diene-containing multi-layered polymer, and wherein the content of a phosphorus-containing flame-retardant is less than 0.5 parts by weight.Type: GrantFiled: November 15, 1999Date of Patent: January 29, 2002Assignee: Mitsubishi Engineering Plastics CorporationInventors: Kazuhiko Ishii, Ken Shimomai
-
Publication number: 20020002226Abstract: A process for preparing coated water-absorbing compositions, especially for use in personal hygiene products, comprises coating a super-absorbent polymeric material with an aqueous coating medium which besides water comprises at least one (or more) polyhydric alcohol(s) having hydroxyl substituents on non-adjacent carbon atoms, the said medium being substantially free of organic solvents.Type: ApplicationFiled: February 21, 2001Publication date: January 3, 2002Inventor: Geoffrey William Barnett
-
Publication number: 20010053824Abstract: There is a need for polymers that offer a high level of heat and ultraviolet light resistance. It is particularly critical for polymers that are utilized in making skin compounds for automotive instrument and door panels to display excellent heat and ultraviolet light resistance. Polymer blends having such characteristics can be made by blending certain rubbery polymers with halogen containing polymers, such as polyvinyl chloride (PVC). There is currently a demand for halogen-free polymers having such characteristics. This invention discloses a rubbery polymer that can be blended with polyolefins, such as polyethylene or polypropylene, to make leathery compositions having good heat and ultraviolet light resistance. The rubbery polymer of this invention is comprised of repeat units which are comprised of (a) butyl acrylate, (b) an alkoxyalkylene acrylate, (c) styrene, (d) a half ester maleate soap, and (e) a crosslinking agent.Type: ApplicationFiled: April 16, 2001Publication date: December 20, 2001Inventor: Hung Dang Ngoc
-
Patent number: 6319976Abstract: A polymer blend containing (1) about 1% to about 98% of a graft copolymer comprising a backbone of a propylene polymer material having graft polymerized thereto monomers selected from (a) at least one vinyl aromatic compound and an unsaturated carboxylic acid and b) at least one vinyl aromatic compound and an anhydride of an unsaturated acid or its acid form, wherein the polymerized monomers are present in an amount of about 10 to about 95 parts per hundred parts of the propylene polymer material, (2) about 99% to about 2% of at least one polyamide resin, and (3) about 5% to about 90% of a broad molecular weight distribution propylene polymer material. The composition optionally also contains about 2% to about 30% of one or more rubber components, and an additive to improve the scratch and mar resistance of the composition.Type: GrantFiled: August 17, 2000Date of Patent: November 20, 2001Assignee: Montell Property Company BVInventors: Anthony J. DeNicola, Jr., Tam T. M. Phan
-
Patent number: 6313197Abstract: A polymeric amphipathic stabiliser is formed of hydrophobic monomer units and hydrophilic monomer units which comprise carboxylic free acid or acid salt units and glycidyl or anhydride units. The glycidyl or anhydride units react onto reactive groups on polymer particles when dispersed in non-aqueous liquid and provide improved stability when the particles are subsequently dispersed in liquid electrolyte.Type: GrantFiled: August 9, 2000Date of Patent: November 6, 2001Assignee: CTBX Specialty Chemicals Water TreatmentInventors: Kenneth Charles Symes, Kishor Kumar Mistry
-
Patent number: 6310148Abstract: A styrene resin composition excellent in luster, rigidity and surface impact strength is provided. A mixed solution of (b1) a homopolymer of a diene monomer or (b2) a copolymer of a styrene monomer and a diene monomer, the copolymer having 15% or less on a weight basis of the styrene structure units, (b3) a copolymer of a styrene monomer and a diene monomer, the copolymer having 20 to 50% on a weight basis of the styrene structure units, (a1) a styrene monomer, and (a2) a (meth)acrylic acid alkyl ester is continuously bulk polymerized in a continuous bulk polymerization line having incorporated therein a tubular reactor with a plurality of mixing elements that have no mobile part fixed inside thereof.Type: GrantFiled: March 28, 2000Date of Patent: October 30, 2001Assignee: Dainippon Ink and Chemicals, Ltd.Inventors: Tsuyoshi Morita, Mamoru Fujihira, Jiro Matsuo
-
Patent number: 6310132Abstract: This invention relates to novel aqueous emulsion polymers obtained by free-radical initiated addition polymerization of at least one monomer in the presence of degraded starch and at least one polymeric emulsifier from the series of sulfo-containing maleic anhydride copolymers and/or sulfo-containing oligourethanes with a branched molecular structure. The invention further relates the use of such emulsion polymers as surface sizing agents for paper and paperlike materials.Type: GrantFiled: December 15, 1998Date of Patent: October 30, 2001Assignee: Bayer AktiengesellschaftInventors: Günter Sackmann, Eckhard Wenz, Joachim König, Bernhard Jansen, Thomas Roick, Bernd Thiele, Johan Kijlstra
-
Patent number: 6310127Abstract: An improved coating composition having one or more polymeric binders dispersed in a liquid medium, wherein the improvement comprises an anti-sag and anti-settling effective amount of a copolymer comprising a polymeric backbone comprising recurring monomeric units derived from monomers selected from the group consisting of one or more &agr;-olefins and one or more unsaturated carboxylic acids, said backbone having grafted thereto, by a covalent amide linkage, one or more polymeric grafts comprising at least one recurring monomeric unit selected from the group consisting of: —NHC(O)RC(O)NHR1 and —NH—R—C(O)— or a combination thereof, wherein R is an alkylene group of at least about 2 carbon atoms, and R1 is R or aryl.Type: GrantFiled: December 14, 1995Date of Patent: October 30, 2001Assignee: AlliedSignal Inc.Inventor: Michael Jablon
-
Patent number: 6306209Abstract: A pigment dispersion comprising pigment, an aqueous carrier selected from water and a mixture of water and at least one organic solvent, and a pigment dispersant is described. The pigment dispersant is prepared by polymerizing (i) at least one prepolymer having a radically polymerizable group, and (ii) at least one second monomer. The prepolymer is prepared by controlled radical polymerization, e.g., atom transfer radical polymerization, of at least one radically polymerizable first monomer. The second monomer forms a polymeric backbone segment of the pigment dispersant, and the prepolymer forms polymeric segments that are pendent to the backbone. The backbone segment of the pigment dispersant is hydrophilic, while at least a portion of each pendent polymeric segment is hydrophobic.Type: GrantFiled: December 16, 1999Date of Patent: October 23, 2001Assignee: PPG Industries Ohio, inc.Inventors: Brian E. Woodworth, Gregory J. McCollum, James B. O'Dwyer, Simion Coca
-
Patent number: 6306934Abstract: A protective coating composition for coating interior surfaces of beer, beverage, and food containers, as well as interior and exterior surfaces of can ends, comprises a polymeric binder of emulsion copolymerized ethylenic monomers in the presence of an unsaturated polyester dispersed into water with an aqueous dispersed epoxy-acrylic graft copolymer dispersant. The preferred polymeric binder comprises by weight between 0.1% and 40% unsaturated polyester, between 20% and 80% emulsion copolymerized ethylenic unsaturated monomers, and at least 20% dispersant, where the emulsion copolymerized monomers crosslink with the water dispersed unsaturated polyester.Type: GrantFiled: March 29, 1999Date of Patent: October 23, 2001Assignee: Imperial Chemical Industries, PlcInventors: Daniel Bode, Deborah Howard, Christopher Bradley, Martin Belton
-
Patent number: 6306961Abstract: A thermoplastic resin composition comprises a thermoplastic resin (A) and graft copolymer particles (B) having a hollow rubber portion and graft chain, in which a volumetric proportion of hollow part in the hollow rubber portion of the graft copolymer particles is 1 to 70% by volume. The thermoplastic resin composition contains the thermoplastic resin and the graft copolymer particles in a weight ratio (A)/(B) of 2/98 to 100/1. The hollow part in the graft copolymer particle functions to further improve impact resistance.Type: GrantFiled: October 22, 1999Date of Patent: October 23, 2001Assignee: Kaneka CorporationInventors: Hiroshi Tone, Koji Yui, Ikuhiro Mishima, Kazuhito Wada, Akira Takaki
-
Patent number: 6303685Abstract: A water dispersed primer composition comprising a solution of a halogenated hydrocarbon polymer in organic solvent; and a dispersing agent added to the solution to form a fluid primer to be dispersed in water to provide the water dispersed primer composition. The invention further includes a water based priming adhesive composition comprising an adhesive dispersion of a an adhesive polymer dispersed in water, and a primer mixed with the adhesive dispersion to form the priming adhesive. The primer comprises a solution of a halogenated hydrocarbon polymer in organic solvent and optionally a dispersing agent.Type: GrantFiled: April 25, 2000Date of Patent: October 16, 2001Assignee: 3M Innovative Properties CompanyInventor: James David Groves
-
Patent number: 6294014Abstract: A pigment dispersion comprising pigment, an aqueous carrier selected from water and a mixture of water and at least one organic solvent, and a pigment dispersant is described. The pigment dispersant is prepared by controlled radical polymerization, e.g., atom transfer radical polymerization, of a radically polymerizable monomer in the presence of a polymeric initiator having at least one radically transferable group. The polymeric initiator forms the polymeric backbone segment of the pigment dispersant, and the monomer forms polymeric segments that are pendent to the polymeric backbone segment. The pigment dispersant has comb-like architecture in which the polymeric backbone segment is hydrophobic, and at least a portion of each pendent polymeric segment is hydrophilic.Type: GrantFiled: December 16, 1999Date of Patent: September 25, 2001Assignee: PPG Industries Ohio, Inc.Inventors: Brian E. Woodworth, Simion Coca, James B. O'Dwyer
-
Publication number: 20010023273Abstract: The present invention discloses an aqueous coating composition comprising 5 to 95 wt. % of an alkali-swellable core-shell addition polymer (I), and 95 to 5 wt. % of a polyurethane (II).Type: ApplicationFiled: December 21, 2000Publication date: September 20, 2001Inventors: Jan Wilhelm Ernst Moos, Johannes Hubertus Van Diemen, Gertrude A. Broekroelofs
-
Patent number: 6284830Abstract: The molding composition comprises components A, B and, if desired, components C to E, the total weight of which is 100% by weight: a: as component A, from 5 to 95% by weight of a random copolyamide made from a1: from 95.1 to 99.9% by weight of component A1 made from equimolar amounts of at least one linear aliphatic diamine and at least one linear aliphatic dicarboxylic acid a2: from 0.1 to 4.Type: GrantFiled: July 15, 1998Date of Patent: September 4, 2001Assignee: BASF AktiengesellschaftInventors: Axel Gottschalk, Stefan Grutke, Gunter Pipper, Peter Wolf, Martin Weber
-
Patent number: 6281288Abstract: A reinforced molding material having high tensile strength comprising: (a) from 0 to 98 parts by weight of one or more thermoplastics, (b) from 2 to 100 parts by weight of a substantially amorphous polyolefin which has been subjected to free radical grafting with a silane which has at least one olefinic double bond and one to three alkoxy groups bonded directly to the silicon, this grafted polyolefin having a melt viscosity at 190° C. In the range from 100 to 50,000 maps and the parts by weight of (a) and (b) sunning to 100, and (c) from 0.5 to 400 parts by weight of a reinforcing material. The molding material can be used, inter alia, for shaped articles, as hotmelt adhesives or for heavy-duty carpet backing materials.Type: GrantFiled: March 3, 1999Date of Patent: August 28, 2001Assignee: Degussa-Huels AktiengesellschaftInventors: Peter Bickert, Ralf Laven, Hans Guenther Wey
-
Patent number: 6277908Abstract: A flame retardant resin composition for electrical insulation and sheathing of wire and cables which has enhanced oil resistance and excellent processing characteristics, comprising (a) 100 parts by weight of a polyolefin polymer, (b) 50 to 200 parts by weight of a metal hydroxide or hydrated metal salt, (c) 3 to 20 parts by weight of a polyolefin based polymer or oligomer grafted or copolymerized with a vinyl bearing species, where polyolefin based polymer (c) differs from polyolefin polymer (a), and (d) 1 to 10 parts by weight of a silicone compound.Type: GrantFiled: June 7, 1995Date of Patent: August 21, 2001Assignee: Boreals A/SInventor: Yasuaki Yamamoto
-
Patent number: 6277914Abstract: Polymeric adhesive comprising a homogeneous mixture of at least three constituents: (a) at least one thermoplastic halogenated hydrocarbon polymer, (b) at least one copolymer of monoethylenic monomers which carry an alkyl carboxylate functional group and (c) at least one alpha-olefin polymer modified by the incorporation of at least one functional group chosen from a carboxyl, an acid anhydride, a hydroxyl and an epoxide. Process for the preparation of this polymeric adhesive and use of this polymeric adhesive in the preparation of structures with multiple polymeric layers. Structures with multiple polymeric layers comprising a layer (A) based on thermoplastic halogenated hydrocarbon polymer bonded to a layer (C) based on thermoplastic nonhalogenated polymer incompatible with (A) via a layer (B) based on this polymeric adhesive.Type: GrantFiled: July 22, 1999Date of Patent: August 21, 2001Assignee: Solvay (Societe Anonyme)Inventors: Jean-Marie Oreins, Vincent Thulliez, Guy Laurent, Fredy Declerck
-
Patent number: 6271308Abstract: The present invention relates to a stable polymer composition comprising a first polymer and a second polymer, which second polymer is not compatible with the first polymer, and an amount of a copolymer comprising at least one block of a polyalkadiene and at least one block of random poly(aromatic vinyl-acrylonitrile), and in which the ratio of the block copolymer to the total polymer composition is between 1:500 and 1:50. Besides, the invention relates to the use of the above block copolymer as compatibilizer and/or as modifier for the mechanical properties of polymer compositions.Type: GrantFiled: March 22, 1999Date of Patent: August 7, 2001Assignee: Rijksuniversiteit te GroningenInventors: Bert de Boer, Erik Kroeze, Georges Hadziioannou, Gerrit ten Brinke
-
Patent number: 6268418Abstract: Thermoplastic moulding compounds containing A) 30 to 99 parts by wt. of polyalkyleneterephthalate B) 0 to 50 parts by wt. of polycarbonate C) 0 to 30 parts by wt. of a graft polymer D) 0.1 to 20 parts by wt. of an oligomeric phosphorus compound of the formula (Ia) or 0.1 to 20 parts by weight of a mixture of an oligomeric phosphorus compound of the formula (Ia) and a phosphorus compound of the formula (Ib) where the amount of phosphorus compound of the formula (Ib) in the mixture of phosphorus compounds is 1 to 50% by weight (relative to 100% by weight of phosphorus compound of the formula (Ia) and (Ib), E1) 1 to 60 parts by wt. of mineral filler and E2) 0 to 30 parts by wt. of fillers and reinforcing materials which differ from E1).Type: GrantFiled: July 29, 1996Date of Patent: July 31, 2001Assignee: Bayer AGInventors: Herbert Magerstedt, Georg Heger, Karsten-Josef Idel, Friedemann Paul
-
Patent number: 6268427Abstract: A method for increasing the damping properties of tire rubber comprising the steps of adding a saturated damping additive to a vulcanizable composition of matter, and processing the vulcanizable composition of matter containing the damping additive into tire rubber.Type: GrantFiled: February 18, 1999Date of Patent: July 31, 2001Assignee: Bridgestone CorporationInventors: Xiaorong Wang, Victor J. Foltz, Michael W. Hayes
-
Patent number: 6268430Abstract: Disclosed are ionomers comprising functionalized polyolefins having fluoroalkyl sulfonate pendant groups and ionically conductive compositions formed therefrom by the addition of solvents.Type: GrantFiled: June 7, 2000Date of Patent: July 31, 2001Assignee: E. I. du Pont de Nemours and CompanyInventors: Susan Kuharcik Choi, Christopher Marc Doyle, Mark Gerrit Roelofs, Lin Wang, Zhen-Yu Yang
-
Patent number: 6248825Abstract: The present invention teaches a method for enabling the formation of a high damping, soft polymer gel. The method includes: reacting a poly(alkenyl benzene-co-maleimide) polymer with a maleated polyalkylene and an alkyl diamine under substantially dry conditions sufficient to form a polyalkylene grafted poly(alkenyl benzene-co-maleimide) polymer product; and, dispersing the polyalkylene grafted poly(alkenyl benzene-co-maleimide) polymer product with an extender oil sufficient to form the gel. The present invention also contemplates a polymer gel composition, a polymer composition and an article manufactured from the polymer gel composition.Type: GrantFiled: May 6, 1998Date of Patent: June 19, 2001Assignee: Bridgestone CorporationInventors: Xiaorong Wang, Victor J. Foltz, Takahiro Matsuse, Naruhiko Mashita, Shinichi Toyosawa
-
Patent number: 6239214Abstract: The invention concerns a graft copolymer emulsion which is anionically stabilized and which contains an amino-functional monomer. The graft copolymer, useful in a coating composition, has a weight average molecular weight of at least about 3,000 and comprises 20 to 95 weight percent of a polymer backbone and 5 to 80 weight percent of a macromonomer. The polymer backbone further comprises 0.5 to 30 weight percent of an amino-functional monomer and the macromonomer comprises at least about 5 weight percent of an unsaturated acid-functional monomer.Type: GrantFiled: January 14, 2000Date of Patent: May 29, 2001Assignee: E. I. du Pont de Nemours and CompanyInventors: Josef Huybrechts, Peter Paul Bruylants, Anne De Marre
-
Patent number: 6235841Abstract: Composition of vinylarene/hydrogenated diene block copolymers, the latter being selected from ethylene-butene and ethylene-propylene, characterized in that it comprises: a) copolymers having linear structures from 30% to 60% by weight, preferably from 35% to 50%; b) copolymers having branched structures from 70% to 40% by weight, preferably from 65% to 50%; the sum of components (a) and (b) being equal to 100; the weight average molecular weight of the above composition ranging from 30,000 to 400,000, preferably from 50,000 to 200,000.Type: GrantFiled: September 1, 1999Date of Patent: May 22, 2001Assignee: Enichem S.p.A.Inventors: Claudio Cavallo, Sergio Custro, Gian Tommaso Viola
-
Patent number: 6228971Abstract: Novel imine functional copolymers are provided containing a plurality of groups of the structure: where R1 is hydrogen or methyl; R2 is hydrogen or an alkyl group having from about 1 to about 10 carbon atoms; R3 is an alkyl or aryl group having from about 1 to about 10 carbon atoms, or R3 is bonded to R2 and forms part of a five- or six-membered ring; and Y is a divalent linking group having from about 3 to about 15 carbon atoms. The composition is useful in film-forming compositions curable at ambient temperature and above.Type: GrantFiled: June 21, 1999Date of Patent: May 8, 2001Assignee: PPG Industries Ohio, Inc.Inventors: Jonathan T. Martz, Joseph M. Carney, Robert E. Jennings
-
Patent number: 6228943Abstract: A peroxide-curable fluorine-containing elastomer composition comprising 100 parts by weight of a fluorine-containing block polymer comprising at least one elastomeric polymer chain segment and at least one non-elastomeric polymer chain segment in which the content of said non-elastomeric polymer chain segment is less than 5% by weight, 0.05 to 10 parts by weight, preferably 0.3 to 5 parts by weight, more preferably 1 to 5 parts by weight, of an organic peroxide, and 0.1 to 10 parts by weight, preferably 0.5 to 8 parts by weight, more preferably 0.5 to 5 parts by weight, of a polyfunctional co-crosslinking agent. This composition has improved processing properties during curing and molding, while it has good tensile properties, heat resistance, oil resistance and high temperature sealing properties comparable to those of conventional peroxide-curable fluorine-containing elastomer compositions.Type: GrantFiled: November 24, 1999Date of Patent: May 8, 2001Assignee: Daikin Industries Ltd.Inventors: Tatsuya Morikawa, Mitsuru Kishine, Yoshihiro Shirai, Koji Matsumoto
-
Patent number: 6228504Abstract: The adhesive resin composition of this invention comprises (A) 30 to 70 parts by weight of an ethylene/vinyl acetate copolymer, (B) 0 to 50 parts by weight of an ethylene/&agr;-olefin copolymer having an ethylene content of 30 to 95 mole % and a degree of crystallinity by X-ray of not higher than 40%, (C) 0 to 50 parts by weight of a modified ethylene/&agr;-olefin copolymer having an ethylene content of 30 to 95 mole % and a degree of crystallinity by X-ray of not higher than 40%, (D) 0 to 30 parts by weight of modified polyethylene, (E) 1 to 20 parts by weight of a tackifier and (F) 1 to 20 parts by weight of a styrene polymer, characterized in that (B)+(C)=15 to 60 parts by weight, (C)+(D)≧2 parts by weight, and (A)/[(B)+(C)]=0.5 to 3.Type: GrantFiled: May 20, 1998Date of Patent: May 8, 2001Assignee: Mitsui Chemicals, Inc.Inventors: Yuji Sawada, Kouji Kitahara
-
Patent number: 6225402Abstract: The present invention is directed to stable aqueous dispersions of an acrylic modified chlorinated polyolefin and a process for their preparation. The aqueous dispersions of acrylic modified chlorinated polyolefin are effective for use as coatings on treated and untreated polyolefinic substrates.Type: GrantFiled: March 15, 1999Date of Patent: May 1, 2001Assignee: McWhorter Technologies, Inc.Inventors: Kevin Jude O'Callaghan, Wayne Taylor Riddick, Michael Davis Coad, Martin Joseph Will, II
-
Patent number: 6221968Abstract: The present invention is a process for producing an anionic block polymer which comprises optionally anionically polymerizing styrene to form a homopolymer block of polystyrene, anionically polymerizing isoprene to form a hompolymer block of polyisoprene, and anionically copolymerizing styrene and isoprene to form a tapered copolymer block wherein the charge rate of both styrene and isoprene is from 15% to 75% by weight of the total tapered block monomer charge per minute and the weight ratio of the styrene to the isoprene is from 0.5:1 to 1.5:1. The process produces a unique polymer containing a tapered polymer block of styrene and isoprene which has a specific taper structure consisting of small segments of variable size of styrene monomers and isoprene monomers.Type: GrantFiled: January 7, 2000Date of Patent: April 24, 2001Assignee: Shell Oil CompanyInventors: Harvey Emerson Atwood, Michael John Modic, Barry Collins Moore, John Louis Scheve, Christine Marie Christian
-
Patent number: 6214910Abstract: New and improved flexible thermoplastic polyester compositions are disclosed having a flexural modulus of not substantially greater than about 140,000 psi, which are useful for forming flexible shaped articles such as hoses, tubings, wire coatings, cable jacketing and the like. The compositions comprise (a) a substantially crystalline thermoplastic linear polyester resin composition and (b) an amount of an amorphous copolymer resin effective to reduce the flexural modulus of (a) to not substantially greater than about 140,000 psi. In an alternate embodiment ultra-low modulus thermoplastic polyester compositions are provided which additionally comprise (c) a minor effective amount of an enhancing agent capable of further reducing the flexural modulus of (a) plus (b) to not substantially greater than about 70,000 psi.Type: GrantFiled: July 27, 1992Date of Patent: April 10, 2001Assignee: General Electric CompanyInventor: Surendra Hukamchand Agarwal