Mixture Contains Solid Polymer Derived From Reactant Containing Carboxylic Acid Group Patents (Class 525/78)
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Publication number: 20110077355Abstract: A method of producing an enlarged rubber that includes mixing 0.1 to 10 parts by mass of a condensed acid salt (B) and 0.1 to 10 parts by mass of the solid fraction of an acid group-containing copolymer latex (C) with 100 parts by mass of the solid fraction of a rubber-like polymer latex (A). A graft copolymer obtained by polymerization in the presence of an enlarged rubber obtained by the above production method, a thermoplastic resin composition containing the graft copolymer, and a molded item obtained by molding the thermoplastic resin composition. The acid group-containing copolymer latex (C) is a latex of an acid group-containing copolymer obtained by polymerizing, within water, a monomer mixture containing 5 to 30% by mass of an acid group-containing monomer and 95 to 70% by mass of an unsaturated carboxylate ester-based monomer.Type: ApplicationFiled: August 21, 2008Publication date: March 31, 2011Inventors: Yoshifumi Shikisai, Naoki Konishi, Yasuo Masaki
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Publication number: 20110077356Abstract: Procedure for the manufacture of carboxylated ethylene polymer blends, in which in a 1st step, in a fluid mixing reactor, to 100 pbw of a particulate ethylene polymer—chosen from among ethylene homopolymers (HDPE, LDPE) and/or linear ethylene copolymers with 2 to ?20 wt.-% polymerized-in C3?12-olefin units (LLDPE, EOP), with a melt-flow rate MFR (190° C./2.16 kg)?20 g/10 min—are added 0.05-15 pbw of a ?,?-ethylenically unsaturated mono and/or dicarboxylic acid or its anhydride (carboxyl monomer), or a monomer mixture containing at least one carboxyl monomer and 0.01-10 pbw of a radical initiator or initiator mixture, and graft-polymerizing at reaction temperatures of 30-120° C., over a reaction time of 5-120 min and subsequently, in a 2nd step, reacting a mixture continuously fed into a reaction extruder of 100 pbw of the modified ethylene polymer obtained in the 1st solid phase step, 150-4,000 pbw of an ethylene polymer or polymer blend with a melt flow rate MFR (190° C., 2.Type: ApplicationFiled: September 9, 2008Publication date: March 31, 2011Applicant: Dow Global Technologies Inc.Inventors: Klaus D Besser, Jochen Gereke, Lutz Haubler, Bianka Leitner, Inno Rapthel
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Patent number: 7847021Abstract: A modified polyolefin resin comprising a copolymer having a structure that a propylene-based polyolefin segment (a) and a segment (b) containing a lactic acid as a constituent are bonded in a block state and/or a graft state through a vinyl monomer having a hydroxyl group, wherein a number average molecular weight of the propylene-based polyolefin segment (a) is from 1,000 to 100,000, a number average molecular weight of the segment (b) containing lactic acid as a constituent is from 1,000 to 200,000, and a weight composition of the propylene-based polyolefin segment (a) and the segment (b) containing lactic acid as a constituent is from 10/90 to 90/10. The modified polyolefin resin can be used in a resin composition containing an aliphatic polyester resin (A), a polyolefin resin (B) and the modified polyolefin resin (C). The composition can exhibit excellent heat resistance and impact resistance and can be used for molding various parts.Type: GrantFiled: February 9, 2005Date of Patent: December 7, 2010Assignee: Mitsui Chemicals, Inc.Inventors: Hosei Shinoda, Takeshi Kashima, Masahiro Enna, Shinichi Kojoh, Hideyuki Kaneko, Shingo Matsuo, Nobuo Kawahara, Tomoaki Matsugi, Yuichi Matsuda, Takayuki Onogi, Fumio Kageyama
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Publication number: 20100304051Abstract: The invention provides a composition comprising the reaction product of a mixture comprising the following: A) at least one functionalized ethylene-based polymer formed by reacting an ethylene-based polymer with at least one anhydride-containing compound and/or at least one carboxylic acid-containing compound; B) at least one ethylene-based polymer; C) at least one anhydride-containing compound and/or at least one carboxylic acid-containing compound; and wherein the composition comprises from 0.05 to 1.0 weight percent, based on the total weight of the composition, of one or more grafted anhydride-containing compounds and/or one or more grafted carboxylic acid-containing compounds.Type: ApplicationFiled: September 3, 2008Publication date: December 2, 2010Applicant: Dow Global Technologies Inc.Inventors: Olaf Henschke, Gabriele Goethel
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Patent number: 7834081Abstract: The present invention relates to the use of poly acrylic and/or methacrylic macroinitiators in the free radical addition reaction of vinyl aromatic monomers to improve the properties of the resulting copolymer and/or composite. More particularly, the present invention relates to the production of poly acrylic and/or poly methacrylic macroinitiators having nitroxyl end groups. Using such macroinitiators in the free radical addition reaction of vinyl aromatics such as polystyrene compatibilizes the acrylic monomer in the vinyl aromatic matrix thereby improving the properties of the resulting polymer.Type: GrantFiled: August 1, 2006Date of Patent: November 16, 2010Assignee: Arkema Inc.Inventors: Peter A. Callais, Scott C. Schmidt, Barbara L. Stainbrook, Nicolas Passade-Boupat, Pierre Gerard, Stephanie Magnet
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Publication number: 20100266837Abstract: The invention relates to multiphase compositions of matter comprising at least an acrylic phase and a hydrocarbon phase, and more specifically to pressure sensitive adhesive compositions of matter of an acrylic-hydrocarbon polymer and an additional hydrocarbon component which has a molecular weight of at least 1,000 and may include one or both of an oligomeric hydrocarbon and a polymeric hydrocarbon.Type: ApplicationFiled: February 12, 2010Publication date: October 21, 2010Applicant: AVERY DENNISON CORPORATIONInventors: Nagarajan SRIVATSAN, Prakash MALLYA, Daniel L. HOLGUIN, Dominique WOUTERS, Eric L. BARTHOLOMEW, Liza P. LOFTON
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Patent number: 7781523Abstract: The present invention relates to styrene-based thermoplastic resin compositions in which 1-10 weight part of a low-gloss additive selected from a group consisting of polyolefin copolymer(C) containing glycidyl methacrylate functional groups, styrene polymer(D) harboring two or more carboxyl functional groups per molecule, and a mixture of them, was added to 100 weight part of basic resin composed of 30-70 weight part of graft copolymer(A) containing rubber modified styrene and 30-70 weight part of copolymer(B) harboring styrene. The thermoplastic resin composition of the present invention has excellent impact strength and satisfactorily low gloss.Type: GrantFiled: August 26, 2005Date of Patent: August 24, 2010Assignee: LG Chem, Ltd.Inventors: Byoung-il Kang, Han-jong You, Seong-lyong Kim
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Publication number: 20100168332Abstract: Disclosed are a polylactic acid resin composition that includes (A) about 10 to about 80 wt % of a polylactic acid resin; (B) about 5 to about 50 wt % of a rubber modified vinyl-based graft copolymer; (C) about 10 to about 80 wt % of a vinyl-based copolymer; and (D) about 5 to about 75 wt % of poly(meth)acrylic acid alkyl ester, and a molded product made using the same.Type: ApplicationFiled: December 30, 2009Publication date: July 1, 2010Applicant: CHEIL INDUSTRIES INC.Inventors: Young-Mi CHUNG, Doo-Han HA, Chang-Do JUNG
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Publication number: 20100168315Abstract: The present invention provides a thermoplastic resin composition that can have excellent impact resistance, chemical resistance, fluidity and high gloss, which comprises about 1 to about 80 parts by weight of a styrene-acrylonitrile resin (A) including one or more functional groups capable of reacting with polyester; about 1 to about 98 parts by weight of an acrylonitrile-butadiene-styrene resin (B) including about 5 to about 40% by weight of a graft polymerized acrylonitrile-butadiene-styrene resin (B1) and about 60 to about 95% by weight of a styrene-acrylonitrile resin (B2) and including about 20% by weight or less of acrylonitrile; and about 1 to about 98 parts by weight of a polyester resin (C), wherein the resin composition comprises acrylonitrile in a total amount of about 1 to about 13% by weight.Type: ApplicationFiled: December 28, 2009Publication date: July 1, 2010Inventors: Jee Kwon PARK, Jin Hwan CHOI, Kang Yeol PARK, Jun Myung KIM, Jae Won LEE
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Patent number: 7732528Abstract: Water-absorbent crosslinked polymers bearing acid groups, some or all of the acid groups being present as carboxylate groups having at least two different types of cations as counterions, processes for their preparation and mixtures of water-absorbent crosslinked polymers.Type: GrantFiled: March 3, 2006Date of Patent: June 8, 2010Assignee: BASF AktiengesellschaftInventors: Bernhard Steinmetz, Peter W. Carrico, Vernon Adey
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Patent number: 7728073Abstract: The present invention relates to thermoplastic molding compositions comprising a mixture of (A) from 30 to 69% by weight, based on the sum of components (A), (B) and (C), of a methyl methacrylate polymer, (B) from 30 to 69% by weight, based on the sum of components (A), (B) and (C), of a copolymer obtainable by polymerizing a styrenic monomer and a vinyl cyanide, and (C) from 1 to 40% by weight, based on the sum of components (A), (B) and (C), of a graft copolymer obtainable from (C1) from 60 to 90% by weight, based on (C), of a core obtainable by polymerizing a 1,3-diene and a styrenic monomer, (C2) from 5 to 20% by weight, based on (C), of a first graft shell, and (C3) from 5 to 20% by weight, based on (C), of a second graft shell composed of an alkyl (meth)acrylate polymer, with the proviso that the ratio of (C2) to (C3) is in the range from 2:1 to 1:2.Type: GrantFiled: December 14, 2004Date of Patent: June 1, 2010Assignee: BASF SEInventors: Martin Stork, Martin Weber, Axel Gottschalk, Sven Riechers, Norbert Güntherberg, Wolfgang Fischer, Ludger Leber, Peter Ittemann, Stephan Jüngling
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Patent number: 7687575Abstract: Adhesive blends suitable for use as tie-layer adhesives for a variety of substrates used in multi-layer film and sheet constructions are provided. The adhesive blends contain a polyolefin base resin, a functionalized polyolefin and a propylene elastomer containing isotactic propylene crystallinity.Type: GrantFiled: August 3, 2006Date of Patent: March 30, 2010Assignee: Equistar Chemicals, LPInventors: Chun D. Lee, Timothy S. Schloemer
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Patent number: 7655726Abstract: The present invention relates to novel molding compositions based on semicrystalline engineering thermoplastics which, in conventional processing techniques, give moldings with reduced surface gloss. A feature of the molding compositions is that they comprise, in a polymer matrix, if appropriate with the usual additives, polymer particles with a median size d50 of from 0.1 ?m to 100 ?m, and comprise at least one other incompatible or semicompatible polymer which has not been chemically crosslinked, and also, if appropriate, comprise salt-like additives. The invention further relates to moldings which are produced by means of conventional processing techniques, in particular via injection molding, from these matt-effect molding compositions.Type: GrantFiled: March 28, 2008Date of Patent: February 2, 2010Assignee: Ticona GmbHInventors: Joachim Clauss, Christine Kostler, Arnold Schneller, Klaus Kurz
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Publication number: 20090312494Abstract: The invention concerns a method for preparing a grafted copolymer by polyunsaturated fatty acids in aqueous phase. The invention also concerns a grafted copolymer by polyunsaturated fatty acids obtainable by said method and its uses as binder in coating compositions and in particular in decorative or industrial painting compositions, in adhesive compositions or in mineral binder compositions.Type: ApplicationFiled: October 13, 2006Publication date: December 17, 2009Inventors: William Bett, Jean-Noël Bousseau, Jean-Cristophe Castaing, Franciscus Adrianus Cornelis Bergman, Albertus Ronald Hofkamp, Gerrit Hendrik Dekker
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Patent number: 7605210Abstract: A thermoplastic vulcanizate comprising of a dynamically-cured rubber; and a thermoplastic phase, where the thermoplastic phase includes fiber and the reaction product of a methylene donor and a methylene acceptor. The thermoplastic phase could include a functionalized thermoplastic resin.Type: GrantFiled: December 20, 2007Date of Patent: October 20, 2009Assignee: ExxonMobile Chemical Patents Inc.Inventors: Maria D. Ellul, Rodney May, Andre Van Meerbeek
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Publication number: 20090225127Abstract: Compositions and methods for printing on specialty media are disclosed. The methods comprise the steps of providing a fixing fluid, providing a dye- or pigment-based ink-jet ink containing an effective amount of a polyvinyl(alcohol-acetate) species, jetting the fixing fluid onto the specialty media forming a coated substrate, and jetting the ink-jet ink onto the coated substrate. Additionally, a gelled printed image on a substrate is disclosed comprising a fixing fluid containing a fixing agent and an aqueous ink-jet ink containing a polyvinyl(alcohol-acetate) species. In both the method and with respect to the image, the polyvinyl(alcohol-acetate) species used can be a known species, or one of a number of new graft copolymers containing a polyvinyl(alcohol-acetate) polymer as one of the constituents of the copolymer.Type: ApplicationFiled: May 15, 2009Publication date: September 10, 2009Inventor: Alexey S. Kabalnov
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Publication number: 20090137437Abstract: Through hydrolysis of reaction products of polyethylene or Fischer-Tropsch waxes and ?,?-unsaturated carboxylic acids or their derivatives it is possible to gain access to innovative ionomer waxes which, in contrast to known ionomers of low molecular mass, exhibit low melt viscosities even at high degrees of hydrolysis. The ionomer waxes of the invention are suitable inter alia as components of pigment masterbatches, as plastics additives, and for application in polishes, paints, and printing inks.Type: ApplicationFiled: November 21, 2008Publication date: May 28, 2009Inventor: Gerd Hohner
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Patent number: 7528194Abstract: The present invention relates to the modification of copolymers, in particular of grafted copolymers into comb copolymers. The modification comprises the steps (i) of controlled radical polymerization of a polymer or copolymer bearing a epoxide group at one end resulting from the initiation step, and (ii) a heating step of the polymer prepared under (i) and a copolymer bearing a functional group either in the backbone or attached to a side chain, which is able to react with the epxide group. The result is a comb copolymer with well controlled chain length of the grafted side arms expressed for example by a low polydispersity.Type: GrantFiled: February 2, 2004Date of Patent: May 5, 2009Assignee: Ciba Specialty Chemicals Corp.Inventors: Jochen Fink, Michael Roth, Rudolf Pfaendner
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Publication number: 20090111942Abstract: Disclosed are methods for making a surface modified biomedical device involving (a) exposing a biomedical device having a plurality of biomedical device surface functional groups to one or more ethylenically unsaturated-containing organic compounds having a reactive group that is co-reactive to the biomedical device surface functional groups of the biomedical device; and (b) graft polymerizing a hydrophilic reactive monomer having a complementary reactive functionality with the ethylenically unsaturated functionalities of the ethylenically unsaturated-containing organic compounds on or near the surface of the biomedical device thus forming a biocompatible surface on the biomedical device. The methods disclosed are two-step methods and do not include any additional surface treatment steps.Type: ApplicationFiled: October 25, 2007Publication date: April 30, 2009Applicant: BAUSCH & LOMB INCORPORATEDInventors: Weihong Lang, Yu-Chin Lai, Daniel J. Hook
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Patent number: 7514505Abstract: A golf ball material composed of (A) an oxygen-containing inorganic metal compound in the form of a particulate or a master batch capable of neutralizing at least some of the acid groups in an acid-containing polymer blend, (B) one or more polymer selected from among diene polymers, thermoplastic polymers and thermoset polymers, and (C) an acid-containing polymer is prepared by mixing component A in a blend of components B and C. The golf ball material has a good heat resistance, flowability and processability, and can be used to produce high-performance golf balls having durability, scuff resistance and optimal hardness without a loss of rebound.Type: GrantFiled: August 3, 2005Date of Patent: April 7, 2009Assignee: Bridgestone Sports Co., Ltd.Inventors: Yoshinori Egashira, Eiji Takehana
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Publication number: 20090086319Abstract: The present invention provides an optical film that includes i) a (meth)acrylic resin, and 5 to 45 parts by weight of ii) a graft copolymer, prepared by grafting a (meth)acrylic resin onto a copolymer of (meth)acrylic rubber and aromatic vinyl compound, based on 100 parts by weight of the i) (meth)acrylic resin, and an electronic device including the optical film.Type: ApplicationFiled: October 1, 2008Publication date: April 2, 2009Applicant: LG Chem, Ltd.Inventors: Tae-Bin Ahn, Yong-Yeon Hwang, Min-Jung Kim, Jae-Hyun Jeong, Ki-Heon Song
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Patent number: 7510764Abstract: A pressure-sensitive adhesive composition comprising polymers and/or copolymers based at least predominantly on (meth)acrylic acid and/or derivatives thereof, wherein said composition possesses an outgassing level of not more than 50 ?g/g in total, preferably less than 10 ?g/g, when said composition is measured by the tesa method.Type: GrantFiled: February 15, 2002Date of Patent: March 31, 2009Assignee: tesa AGInventors: Marc Husemann, Stephan Zöllner, Heiko Thiede, Reinhard Storbeck
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Publication number: 20090069491Abstract: The present invention is a peroxide-free process for preparing a direct-grafted polyolefin. The process has the steps of (a) selecting an antioxidant-free, unsaturated polyolefin, (b) oxidizing the polyolefin, (c) selecting a graftable, polar monomer, (d) combining the polyolefin and the graftable, polar monomer, (e) forming free radicals on the oxidized polyolefin, and (f) grafting the graftable, polar monomer onto the polyolefin at the free-radical sites.Type: ApplicationFiled: September 6, 2007Publication date: March 12, 2009Applicant: Dow Global Technologies Inc.Inventors: Chunxia Costeux, Anthony C. Neubauer, Nathan J. Wiker, Timothy J. Pope, William J. Michie, JR.
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Patent number: 7482063Abstract: An in-mold coating molded article is obtained by coating the surface of a resin molded product comprising a hydroxyl group-containing polypropylene resin composition (A) with a paint composition for in-mold coating, wherein the composition (A) comprises a polypropylene resin (i), an additive rubber (ii) and optionally a polymer compound (iii) other than the polypropylene resin (i) and the additive rubber (ii), the total hydroxyl value of the polypropylene resin (i), the additive rubber (ii) and the optional polymer compound (iii) is from 1 to 40, the composition (A) has a rubber component content (total of the amount of the additive rubber (ii) and the amount of components soluble in n-decane at 23° C.Type: GrantFiled: August 21, 2003Date of Patent: January 27, 2009Assignees: Prime Polymer Co., Ltd., Dai Nippon Toryo Co., Ltd., Ube Machinery Corporation, Ltd.Inventors: Takeshi Minoda, Yuichi Matsuda, Kaoru Yorita, Kenji Yonemochi, Kenji Oota, Etsuo Okahara, Toshio Arai
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Patent number: 7473735Abstract: The present invention provides a resin composition which comprises EVOH and a thermoplastic resin other than EVOH and which generates less odor and therefore is suitable for food packaging applications. The invention also provides an environmentally friendly method for producing a resin composition, without releasing any carboxylic acid such as acetic acid to the peripheral environment. A resin composition containing less carboxylate group is obtained by contacting an ethylene-vinyl alcohol copolymer resin with an aqueous solution containing both carbon dioxide gas and at least one additive selected from the group consisting of an alkali metal salt (A) and a boron compound (B) and then melt kneading with a thermoplastic resin (G) other than EVOH.Type: GrantFiled: July 22, 2004Date of Patent: January 6, 2009Assignee: Kuraray Co., Ltd.Inventors: Naohiko Uchiumi, Kaoru Ikeda, Noriyuki Kida, Tetsuya Hara, Syukiti Kawamura
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Publication number: 20090004243Abstract: The present invention is directed to polymeric materials made of biodegradable, bioabsorbable triblock copolymers and implantable devices (e.g., drug-delivery stents) containing such polymeric materials. The polymeric materials may also contain at least one therapeutic substance. The polymeric materials are formulated so as to improve the mechanical and adhesion properties, degradation, biocompatibility and drug permeability of such materials and, thus, implantable devices formed of such materials.Type: ApplicationFiled: June 29, 2007Publication date: January 1, 2009Inventors: Stephen D. Pacetti, Mikael Trollsas
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Publication number: 20080300363Abstract: Disclosed is the preparation of compositions which are blends of certain types of hydrogenated ethylene-dicyclopentadiene (E/DCPD) copolymers in combination with elastomeric polymers. An E/DCPD copolymer and an elastomeric polymer are co-dissolved in a common liquid reaction medium which is then subjected to hydrogenation conditions. These hydrogenation conditions serve to hydrogenate in-situ at least a portion of the residual double bonds of the E/DCPD copolymer component and possibly also eliminate any residual unsaturation which might be present in the elastomeric polymers. This combination of materials which has been hydrogenated in-situ can then be co-precipitated to form a polymer composition which can be molded into polyolefin materials of improved structural, thermal and mechanical properties with desirable impact resistance.Type: ApplicationFiled: June 1, 2007Publication date: December 4, 2008Inventors: Lisa Saunders Baugh, Enock Berluche
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Patent number: 7452602Abstract: A vinylidene fluoride-based resin film including polyvinylidene fluoride whose average spherocrystal diameter is less than 0.1 ?m that is a detection limit or lower by observation using a transmission electron microscope is provided, the average spherocrystal diameter being obtained by shaping a vinylidene fluoride-based resin in a molten state by sandwiching the resin between rollers or metal belts so as to let it cool down. Thereby, a vinylidene fluoride-based resin film and a vinylidene fluoride-based resin multilayered film having excellent transparency, weather resistance, chemical resistance, break resistance and formability are provided.Type: GrantFiled: August 10, 2005Date of Patent: November 18, 2008Assignee: Kaneka CorporationInventors: Kazuhito Wada, Yukihiro Shimamoto
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Publication number: 20080271277Abstract: A rubber product for wiping, a rubber for a wiper blade, a method for producing a rubber for a wiper blade, and a wiper unit. The rubber product for wiping, for example, includes a hydrophilic gel-like surface treatment layer coated on at least a wiping surface of the rubber product, wherein the wiping surface is softer due to water absorption when moistened than when dried.Type: ApplicationFiled: April 22, 2008Publication date: November 6, 2008Applicants: MITSUBA CORPORATION, INDEPENDENT ADMINISTRATIVE INSTITUTION JAPAN ATOMIC ENERGY AGENCYInventors: Norihito Mizote, Akio Katakai, Masao Tamada
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Publication number: 20080188821Abstract: Water-absorbing polymeric particles are produced by spray polymerization of a monomer solution in a process wherein the monomer solution is spray dispensed and at least one crosslinker accumulates in the region of the droplet surface, and are useful in hygiene articles.Type: ApplicationFiled: January 14, 2006Publication date: August 7, 2008Applicant: Basf AktiengesellschaftInventors: Dennis Losch, Volker Seidl, Uwe Stueven
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Patent number: 7396876Abstract: A thermoplastic resin component has improved transparency and impact resistance, the thermoplastic resin composed of 5 to 40 parts by weight of a graft copolymer (A) and 95 to 60 parts by weight a copolymer (B), the graft copolymer (A) being prepared by polymerizing at least one selected from the group consisting of alkyl methacrylate, aromatic vinyl, and vinylcyanide with an agglomerated rubber, the copolymer (B) being prepared by polymerizing at least one monomer selected from the group consisting of an aromatic vinyl monomer, an alkyl methacrylate monomer, and a vinylcyanide monomer. The agglomerated rubber is prepared by agglomerating a styrene-diene rubber latex with an acid-group-containing copolymer latex containing unsaturated acid, aromatic vinyl, and alkyl acrylate as the essential components and having a controlled refractive index.Type: GrantFiled: March 25, 2005Date of Patent: July 8, 2008Assignee: Kaneka CorporationInventors: Katsumi Yamaguchi, Hitoshi Hayashi, Akio Sato, Mamoru Kadokura
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Publication number: 20080146735Abstract: Water-absorbent crosslinked polymers bearing acid groups, some or all of the acid groups being present as carboxylate groups having at least two different types of cations as counterions, processes for their preparation and mixtures of water-absorbent crosslinked polymers.Type: ApplicationFiled: March 3, 2006Publication date: June 19, 2008Applicant: BASF AKTIENGESELLSCHAFTInventors: Bernhard Steinmetz, Peter W. Carrico, Vernon L. Adey
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Patent number: 7381770Abstract: The present invention provides a resin composition made from admixing starting materials comprising: (a) 0 to 90 parts by weight of a polyolefin; (b) 5 to 95 parts by weight of a functional polyolefin; (c) 5 to 40 parts by weight of a polystyrenic; and (d) 0 to 30 parts by weight of an elastomer, where the total amount of components of (a), (b), (c) and (d) in the resin composition is 100 parts by weight. In a further embodiment, component (a) is a non-olefin copolymer and component (c) is high impact polystyrene. The resin compositions are useful as adhesives for metal and polyolefin substrates.Type: GrantFiled: October 29, 2004Date of Patent: June 3, 2008Assignee: E. I. du Pont de Nemours and CompanyInventors: Sassan Hojabr, Stephen R. Tanny
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Patent number: 7354655Abstract: An object of the present invention is to provide an adhesive resin composition which displays excellent adhesive strength on bonding to a barrier material, during initial adhesion, durable adhesion, and even after soak in fuel oil, and which also has excellent moldability. Furthermore, another object of the present is to provide an adhesive resin composition which when recycled, displays good compatible in a regrind layer with polyethylene resins and barrier materials such as saponified products of ethylene-vinyl acetate copolymers or polyamide based resins, and which is consequently capable of suppressing deterioration in the low temperature impact resistance of a multi-layer vessel containing a regrind layer.Type: GrantFiled: November 26, 2002Date of Patent: April 8, 2008Assignee: Japan Polyolefins Co., Ltd.Inventors: Tatsuo Yamaguchi, Shinji Miwa, Fumio Asada, Kenichi Hiraki, Naoki Minorikawa
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Patent number: 7354970Abstract: A novel polyvinyl chloride copolymer paste resin comprising a copolymer of a vinyl chloride monomer and a macromonomer of the present invention can be synthesized with high productivity, and can provides a plastisol having high gelation properties, storage stability, superior tensile properties in low-temperature working conditions and heat resistance.Type: GrantFiled: June 10, 2003Date of Patent: April 8, 2008Assignee: Kaneka CorporationInventors: Mitsuyoshi Kuwahata, Shinbe Matsuzaki, Toshihito Kawauchi, Nobuki Toba
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Publication number: 20080021158Abstract: To provide a welding material for a fuel tank, which can be readily welded to a fuel tank made of a resin and maintain the welded strength even after being in contact with a fuel such as gasoline and yet is excellent in the long-term performance, a fuel tank attachment constituted by the welding material, and a fuel tank thereby welded. A welding material for a fuel tank, comprising a modified polyethylene resin composition (Z) comprising from 0.5 to 95 wt % of a modified polyethylene resin (X) having at least one monomer selected from the group consisting of an unsaturated carboxylic acid and its derivative, grafted to a polyethylene resin (A) having a density of from 0.910 to 0.965 g/cm3 and a melt flow rate (temperature: 190° C., load: 2.16 kg) of from 0.1 to 5.0 g/10 min, and from 5 to 99.5 wt % of an unmodified polyethylene resin (Y) having a density of from 0.930 to 0.965 g/cm3, a melt flow rate (temperature: 190° C., load: 2.16 kg) of from 0.01 to 5.Type: ApplicationFiled: July 16, 2007Publication date: January 24, 2008Applicant: JAPAN POLYETHYLENE CORPORATIONInventors: Kei Takahashi, Fumio Asada, Haruo Ikeda, Osamu Miyachi
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Patent number: 7304111Abstract: A problem of the invention is to provide a propylene copolymer which is excellent in adhesion to crystalline propylene-based polymers and which is excellent in solubility and compatibility with polar resins, a process for producing the same, and a composition containing the subject polypropylene copolymer. The invention is concerned with a polypropylene copolymer, which is characterized by having a polymer principal chain (A) derived from a propylene-based polymer having (1) a prescribed requirement as defined by the 13C-NMR spectral measurement and having (2) a melting point [Tm] by a differential scanning calorimeter of not higher than 100° C., or a crystal melting heat of less than 5 J/g; and a side chain containing a polymer chain (B) which is different from the principal chain, with a weight ratio of (A)/(B) being in the range of from 20/1 to 1/20, a composition containing the subject copolymer, and a process for producing the subject copolymer.Type: GrantFiled: August 22, 2005Date of Patent: December 4, 2007Assignee: Mitsubishi Chemical CorporationInventors: Masato Onoe, Kazuyuki Hata
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Patent number: 7300978Abstract: This invention relates to a process for stabilising and at the same time phase compatibilising plastics or plastic compositions by incorporating polymeric compounds obtainable by reacting a compound selected from the group consisting of the sterically hindered phenols, sterically hindered amines, lactones, sulfides, phosphites, benzotriazoles, benzophenones and 2-(2-hydroxyphenyl)-1,3,5-triazines, which compounds contain at least one reactive group, with a compatibilisator.Type: GrantFiled: February 23, 2004Date of Patent: November 27, 2007Assignee: Ciba Specialty Chemicals CorporationInventors: Rudolf Pfaendner, Heinz Herbst, Kurt Hoffmann, Samuel Evans, Alfred Steinmann
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Patent number: 7295376Abstract: A pseudo cross-link type resin composition made of one of resins or a mixture of the resins; wherein the resin is obtained by mixing a polymer molecule that has an atomic group capable of forming an intermolecular hydrogen bond at least in a molecular side chain or at a molecular tail end of the polymer molecule, and a polymer molecule that has an atomic group capable of forming an intermolecular hydrogen bond at lest in a molecular side chain or in a molecular skeleton of the polymer molecule; wherein the polymer molecule having an atomic group capable of forming an intermolecular hydrogen bond at least in a molecular side chain or at a molecular tail end is a vinylic polymer or a copolymer thereof that has a carboxyl group or a hydroxyl group at least in a molecular side chain or at a molecular tail end, and the polymer molecule that has an atomic group capable of forming an intermolecular hydrogen bond at least in a molecular side chain or in a molecular skeleton is a vinylic polymer or a copolymer thereofType: GrantFiled: January 22, 2004Date of Patent: November 13, 2007Assignee: Hitachi Chemical Company, Ltd.Inventors: Tetsuro Yamanaka, Yukihiko Yamashita, Kenji Kanemaru
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Patent number: 7291674Abstract: The invention relates to a superabsorbent polymer comprising a composition comprising a polymeric resin composition comprising from about 55 to about 99.9 wt. % of polymerizable unsaturated acid group containing monomers, from about 0.001 to about 5.0 wt. % of internal crosslinking agent and from 0 to 25 wt % of a preneutralizing agent; wherein the polymeric resin composition is preneutralized from 0 to about 50 mole %; and a water swellable, water-insoluble aminopolysaccaride polymer wherein when the superabsorbent polymer is contacted with an aqueous solution, the polymeric resin composition is neutralized by the aminopolysaccaride polymer so that the superabsorbent polymer has a degree of neutralization of about 20 mole % or more than the preneutralization degree of the polymeric resin composition.Type: GrantFiled: October 28, 2003Date of Patent: November 6, 2007Assignee: Stockhausen, Inc.Inventors: Seungkoo Kang, Scott J. Smith
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Patent number: 7217763Abstract: The present invention relates to acrylonitrile-butadiene-styrene copolymer transparent resin having superior chemical resistance and transparency and preparation thereof, and particularly to acrylonitrile-butadiene-styrene copolymer transparent resin having superior chemical resistance and transparency by graft-copolymerzing on a) conjugated diene rubber latex, b) methacrylate alkylester or acrylate alkylester compound, c) aromatic vinyl compound and d) vinyl cyanide compound, and preparation thereof. In addition, according to the present invention, chemical resistance and ESCR can be further improved by further adding e) polyester-amide copolymer to the acrylonitrile-butadiene-styrene copolymer transparent resin.Type: GrantFiled: October 24, 2002Date of Patent: May 15, 2007Assignee: LG Chem, Ltd.Inventors: Jeong-Su Choi, Sung-Hee Kim, Hyoung-Min Bahn, Keun-Hoon Yoo
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Patent number: 7144951Abstract: A process is disclosed that comprises solution grafting a hydrocarbon polymer prepared from at least C2 to C28 polymerizable hydrocarbon, said polymer having a number average molecular weight in the range of from about 5,000 to about 500,000, with an ethylenically unsaturated C3 to C10 carboxylic acid material, using a free radical initiator, in the presence of an aromatic ester oil of the formula (I) wherein R1, R2, R3, R4, R5, and R6 are independently selected from the group consisting of hydrogen, —COOR7, —COOR8, —COOR9, —COOR10, —COOR11, and —COOR12, provided that no more than 5 of R1, R2, R3, R4, R5 and R6 are hydrogen, and R7, R8, R9, R10, R11, and R12 are independently selected from the group consisting of alkyl and alkylestersType: GrantFiled: September 14, 2001Date of Patent: December 5, 2006Assignee: Crompton CorporationInventors: Karl Duyck, Theodore E. Nalesnik, Uyen Thanh Tran
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Patent number: 7135529Abstract: The invention provides golf balls with a core and with one or more layers, preferably cover layers, formed of a saturated rubber/ionomer block copolymer comprising one or more neutral thermoplastic polymer blocks and one or more ionomeric blocks. The saturated rubber block is preferably polyisobutylene, and the ionomer block may be a cationomer block or an anionomer block. Various block cationomers comprising polyisobutylene (PIB) and poly(2-dimethylamino)ethyl methacrylate) (PDMAEMA) are preferred. The golf balls of the present invention have been found to provide improved scuff resistance while providing a greater coefficient of friction for improved spin and feel properties.Type: GrantFiled: August 9, 2004Date of Patent: November 14, 2006Assignee: Acushnet CompanyInventor: Michael J. Sullivan
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Patent number: 7122604Abstract: This invention provides a graft modified polypropylene polymer which does not contain halogens, is excellent in certain properties such as solubility and can add good adhesiveness and coating ability to crystalline propylene polymer base materials, and a composition containing the same; and in particular, it provides a propylene polymer which contains a propylene polymer main chain having a stereo-block structure containing an isotactic block and a side chain containing a carboxylic acid group, an acid anhydride group or a carboxylic acid ester group, wherein when it is dissolved in toluene to a concentration of 10% by weight at 25° C., the insoluble matter is 1% by weight or less based on the total polymer, and a composition containing the same.Type: GrantFiled: November 12, 2004Date of Patent: October 17, 2006Assignee: Mitsubishi Chemical CorporationInventors: Masato Onoe, Teruaki Ashihara, Kazuyuki Hata, Fumihiko Shimizu, Naomasa Sato, Akio Tanna
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Patent number: 7064163Abstract: A method for producing polyolefin-based adhesive resins having improved physical and optical properties and the improved adhesive resins thereby produced, eliminates at least one reheating and melting of polyolefin polymer, comprises polymerizing a monomer composition of at least one olefin, mixing the polymerization product without pelletizing the polyolefin polymer with at least one graft polymer or copolymer in a heated mixing device at a temperature above the melting point of the components, and recovering the resulting polyolefin-based adhesive resin.Type: GrantFiled: July 2, 2003Date of Patent: June 20, 2006Assignee: MSI Technology LLCInventor: Mitsuzo Shida
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Patent number: 7056979Abstract: A reaction product is prepared by reacting a first polymer having pendant or terminal carboxyl or anhydride groups with a second polymer (e.g. elastomer) having an amine containing terminal group. The second polymer is anionically polymerized. The second polymer is functionalized by reacting the growing anionic chain end with an imine. Then a protic terminating agent terminates the growing chain end. The first and second polymers are reacted by mixing (desirably above their softening temperatures) and forming a blend with improved physical properties over a blend of similar polymers lacking a reactive amine group.Type: GrantFiled: June 12, 1998Date of Patent: June 6, 2006Assignee: Bridgestone CorporationInventors: James A. Krom, Xiaorong Wang
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Patent number: 6998438Abstract: The present invention provides plastics with high toughness and the preparation thereof. The plastics with high toughness, which have the balance of stiffness and toughness, stable properties and good processability, are obtained by blending the rubber particles having an average particle size of 20 to 200 nm with the pseudoductile plastics, wherein the weight ratio of the rubber particles to the plastics is from 0.5:99.5 to 70:30. The present invention also provides plastics with both high stiffness and high toughness and the preparation thereof. The plastics with both high stiffness and high toughness, which have also an improved heat resistance and good processability, are prepared by blending the rubber particles having an average particle size of 20 to 500 nm and the crystalline plastics, wherein the amount of the rubber particles added in the plastics matrix is from 0.3 to 5 weight parts.Type: GrantFiled: April 18, 2002Date of Patent: February 14, 2006Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical IndustryInventors: Jinliang Qiao, Shijun Zhang, Xiaohong Zhang, Yiqun Liu, Jianming Gao, Wei Zhang, Genshuan Wei, Jingbo Shao, Hua Yin, Renli Zhai, Zhihai Song, Fan Huang, Jiuqiang Li
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Patent number: 6989192Abstract: A pressure sensitively adhesive polyacrylate according to a composition known per se, characterized by crosslinked and functionalized polymer particles which on the basis of their chemical nature are suitable for assisting a crosslinking reaction of the pressure sensitive adhesive.Type: GrantFiled: June 10, 2002Date of Patent: January 24, 2006Assignee: tesa AGInventors: Marc Husemann, Stephan Zöllner
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Patent number: 6924013Abstract: The present invention relates to a coextrusion binder useful for petrol tanks of HDPE/binder/EVOH or PA/binder/HDPE structure.Type: GrantFiled: April 6, 2000Date of Patent: August 2, 2005Assignee: Arkema (formerly ATOFINA)Inventors: Jean-Claude Jammet, Christophe Le Roy, Xavier Marical, Jérôme Pascal
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Patent number: 6894115Abstract: Adhesive blend compositions having significantly improved adhesion to metals at elevated temperatures are provided. The compositions are blends of one or more polyolefin base resins, an acid or acid derivative modified polyolefin and silane modified polyolefin. A low level of adhesion promotor is optionally included in the blend.Type: GrantFiled: December 17, 2002Date of Patent: May 17, 2005Assignee: Equistar Chemicals, LPInventor: Maged G. Botros