Aromatic, E.g., Styrene, Etc. Patents (Class 526/329.2)
  • Patent number: 10259897
    Abstract: Provided is a method of preparing polybutadiene which may improve productivity by minimizing a plugging phenomenon during the preparation of polybutadiene and increasing a conversion rate.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: April 16, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Woo Sung Hwang, Jun Seok Ko, Hoi In Jeong, Jong Ku Lee
  • Patent number: 10246534
    Abstract: Provided is an apparatus for preparing polybutadiene which may improve productivity by minimizing a plugging phenomenon during the preparation of polybutadiene and increasing a conversion rate.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: April 2, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Woo Sung Hwang, Jun Seok Ko, Hoi In Jeong, Jong Ku Lee
  • Patent number: 9321860
    Abstract: A thermoplastic resin has excellent heat resistance and thermal stability, low water absorption properties, excellent surface hardness and mechanical strength. A thermoplastic resin includes a constituent unit (a) that is derived from a (meth)acrylate monomer and represented by the formula (1); a constituent unit (b) that is derived from a vinyl monomer and represented by the formula (2); and a constituent unit (c) that is derived from a vinyl monomer and represented by the formula (3), and the weight percentage of the constituent unit (a), based on the total weight of the all constituent units, is 60 to 85% by weight, the weight percentage of the constituent unit (b), based on the total weight of the all constituent units, is 5 to 30% by weight, and the weight percentage of the constituent unit (c), based on the total weight of the all constituent units, is 5 to 15% by weight.
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: April 26, 2016
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yoshio Aoki, Nobuyuki Koike
  • Patent number: 9023578
    Abstract: The present invention provides a method for evaluating lithographic characteristics of a lithographic composition containing a copolymer for lithography without actually preparing the composition. The method comprises the steps of: dissolving the copolymer for lithography in a solvent to prepare a test solution; separating a gel-like substance from the test solution; determining a rate of change of a composition ratio, wherein the rate of change of the composition ratio rate refers to a ratio of a difference obtained by subtracting a composition ratio of constitutional units in the copolymer for lithography from a composition ratio of constitutional units in a gel-like substance to the composition ratio of the constitutional units in the copolymer for lithography.
    Type: Grant
    Filed: July 5, 2010
    Date of Patent: May 5, 2015
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Keisuke Katou, Shinichi Maeda, Daisuke Matsumoto
  • Publication number: 20150119541
    Abstract: A process for the production of methacrylic acid or esters thereof by the base catalysed decarboxylation of at least one dicarboxylic acid selected from itaconic, citraconic or mesaconic acid or mixtures thereof in an aqueous reaction medium is described. The decarboxylation is carried out at a temperature in the range from 200° C. and up to 239° C. The methacrylic acid is isolated from the aqueous reaction medium by a purification process which does not include introducing an organic solvent to the aqueous reaction medium for solvent extraction of the methacrylic acid into an organic phase. A method of preparing polymers or copolymers of methacrylic acid or methacrylic acid esters is also described.
    Type: Application
    Filed: April 26, 2013
    Publication date: April 30, 2015
    Inventors: Graham Ronald Eastham, David William Johnson, Mark Waugh
  • Patent number: 9017913
    Abstract: A toner for electrostatic image development having sufficient low-temperature fixing properties, and excellent heat resistant storage stability and crush resistance is provided. In toner particles containing at least a binder resin, the binder resin contains a polymer having a structural unit represented by a general formula (1), wherein R1, R2, and R3 each independently represent a hydrogen atom, a hydroxyl group, or an alkoxy group, or two adjacent groups of R1, R2, and R3 combine to form —O(CH2)iO—, where i represents an integer of 1 or 2, provided that at least one of R1, R2, and R3 is an alkoxy group, or two adjacent groups combine to form —O(CH2)iO—; and R4 represents a hydrogen atom, a halogen atom, an alkyl group, a hydroxyl group, or an alkoxy group.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: April 28, 2015
    Assignee: Konica Minolta, Inc.
    Inventors: Kazuyoshi Goan, Mikio Kouyama, Hajime Tadokoro
  • Publication number: 20150094438
    Abstract: A process for the production of methacrylic acid by the base catalysed decarboxylation of at least one dicarboxylic acid selected from itaconic, citraconic or mesaconic acid or mixtures thereof is described. The decarboxylation is carried out at a temperature in the range from 100 to 199° C. A method of preparing polymers or copolymers of methacrylic acid or methacrylic acid esters is also described.
    Type: Application
    Filed: April 26, 2013
    Publication date: April 2, 2015
    Inventors: Graham Ronald Eastham, David William Johnson, Mark Waugh
  • Publication number: 20150080543
    Abstract: A thermoplastic resin has excellent heat resistance and thermal stability, low water absorption properties, excellent surface hardness and mechanical strength. A thermoplastic resin includes a constituent unit (a) that is derived from a (meth)acrylate monomer and represented by the formula (1); a constituent unit (b) that is derived from a vinyl monomer and represented by the formula (2); and a constituent unit (c) that is derived from a vinyl monomer and represented by the formula (3), and the weight percentage of the constituent unit (a), based on the total weight of the all constituent units, is 60 to 85% by weight, the weight percentage of the constituent unit (b), based on the total weight of the all constituent units, is 5 to 30% by weight, and the weight percentage of the constituent unit (c), based on the total weight of the all constituent units, is 5 to 15% by weight.
    Type: Application
    Filed: April 16, 2013
    Publication date: March 19, 2015
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yoshio Aoki, Nobuyuki Koike
  • Patent number: 8933185
    Abstract: An acrylic resin that can have excellent transparency, flowability and scratch-resistance property is prepared by polymerizing a monomer mixture comprising about 10 to about 25% by weight of (meth)acrylic acid alkyl ester monomer, about 50 to about 80% by weight of aromatic vinyl compound, and about 10 to about 25% by weight of vinyl cyanide compound.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: January 13, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Don Keun Lee, Yu Ho Kim
  • Patent number: 8926872
    Abstract: The present invention relates to an acrylic copolymer resin containing: 1) an alkyl (meth)acrylate-based monomer; 2) a (meth)acrylate-based monomer containing an aliphatic ring and/or an aromatic ring; and 3) at least an imide-based monomer or a styrene-based monomer, to a resin composition containing said acrylic copolymer resin and a resin containing an aromatic ring and/or an aliphatic ring in the main chain thereof, to an optical film comprising said resin composition, and to a liquid crystal display device comprising said optical film. The optical film according to the present invention has excellent heat resistance, optical transparency, etc.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: January 6, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Su-Kyung Kim, Byoung-Il Kang, Dae-Woo Lee, Byoung-Kue Chun, Chang-Hun Han, Da-Eun Sung
  • Patent number: 8895658
    Abstract: The present invention relates to a grafted pigment dispersing polymeric additive for opacifying pigments, prepared by polymerizing monomers in the presence of a polymeric pigment dispersant. The polymeric pigment dispersant has low molecular weight, high acid number and is dissolvable in alkali solution. When incorporated into paint compositions, hiding is improved with less opacifying pigments.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: November 25, 2014
    Assignee: Columbia Insurance Company
    Inventors: Gary Dandreaux, Kevin Scanlon, Robert J. Sheerin, Ashley Brewer
  • Patent number: 8876966
    Abstract: A premixed composition is formed from modified polyacrylate polymer, silicone emulsion, one or more amine compounds, and silane, that cures rapidly to form a composition that can be used as a grout or coating. The premixed composition includes a latex resin including an acrylic-based polymer, a silicone emulsion, one or more amine compounds, and a silane, and optionally various fillers, pigments, and adjuvants. These components in the proper proportions form a stable viscous suspension that can be floated into tile joints, and cleaned from an adjacent tile surface. The composition rapidly cures to form a hard mass that is resistant to abrasion, in both dry and wet conditions, is color consistent, and is resistant to staining.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: November 4, 2014
    Assignee: Custom Building Products, Inc.
    Inventors: Steven L. Taylor, Zosimo D. Pamaran
  • Publication number: 20140256898
    Abstract: A process for preparing a branched polymer, belonging to the fields of polymer synthesis and preparation of functional polymers. A vinyl monomer, such as styrene, toluene (benzene, xylene) as a solvent, is subjected to a self-initiated free radical polymerization at 60˜100° C. with a new type of compound (methyl (meth)acrylate peroxide) as the initiator and the branched monomer containing both polymerisable double bond and peroxide bond, which can be used to synthesize the branched polymers. The degree of branching of the polymer can be adjusted by adjusting the molar ratio of the new type of compound to polymerisable monomer. The process for preparing a branched polymer is carried out under the conditions of conventional free radical polymerization without the addition of the branched monomer and other assist initiators.
    Type: Application
    Filed: August 14, 2012
    Publication date: September 11, 2014
    Applicant: CHANGZHOU UNIVERSITY
    Inventors: Bibiao Jiang, Wenyan Huang, Hongjun Yang, Xiaoqiang Xue
  • Patent number: 8795539
    Abstract: A method of forming patterns includes forming a layer composed of a ketene based random copolymer on a substrate, forming a block copolymer on the ketene based random copolymer layer and patterning the ketene based random copolymer layer by removing a part of the block copolymer and a portion of the ketene based random copolymer layer.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: August 5, 2014
    Assignees: Samsung Display Co., Ltd., Korea University Research and Business Foundation
    Inventors: Su Mi Lee, Mio Hyuck Kang, Eun-Ae Kwak, Moon Gyu Lee, Bong-Jin Moon, Joona Bang, Hyun Jung Jung
  • Patent number: 8785548
    Abstract: Styrenic (meth)acrylic oligomers that are prepared at lower temperature than conventional solid grade oligomers, or are hydrogenated, contain fewer terminal vinylic unsaturations, when compared to such conventional styrenic (meth)acrylic oligomers prepared by the customary high temperature processes. Styrenic (meth)acrylic oligomers that contain fewer terminal vinylic unsaturations demonstrate improved thermal stability and may provide improved resistance to UV weathering compared to the conventional and non-hydrogenated styrenic (meth)acrylic oligomers.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: July 22, 2014
    Assignee: BASF SE
    Inventors: Timothy D. Klots, Rafael Galvan, Jon Debling
  • Patent number: 8765896
    Abstract: The present invention relates to an acrylic copolymer having high heat resistance and high strength, and an optical film comprising the same, and more particularly, to an acrylic copolymer for optical films in which alkyl (meth)acrylate monomers; (meth)acrylate monomers comprising aromatic rings and/or aliphatic rings; and (meth)acrylamide monomers are included and polymerized. An acrylic copolymer according to the present invention is excellent in heat resistance while maintaining transparency. Further, an optical film comprising a compound resin including the acrylic copolymer has superior transparency and heat resistance and is excellent in formability, adhesion, retardation properties, and durability.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: July 1, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Su-Kyung Kim, Da-Eun Sung, Chang-Hun Han, Byung-Il Kang, Jae-Bum Seo, Eun-Jung Choi, Byoung-Kue Chun, Yu-Taek Sung
  • Patent number: 8729187
    Abstract: It is an object of the present invention to provide (1) a copolymer for a cured product that is satisfactory in properties, such as adhesion properties, as a chip stacking adhesive or the like. The present invention is a copolymer comprising repeating units represented by formula (I), formula (II), and formula (III), (wherein R1, R2, and R3 each independently represent a hydrogen atom or a methyl group, R4 represents an alkyl group or a cycloalkyl group, R5 represents a hydrogen atom or a C1 to C6 alkyl group, m, n, and k represent a molar ratio of the respective repeating units, m represents a positive number of 0 or more and less than 1, n and k each independently represent a positive number, and satisfy a relation of m+n+k=1), and having a weight-average molecular weight in the range of 50,000 to 200,000.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: May 20, 2014
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Eiji Takahashi, Shinji Marumo, Gou Mishima
  • Publication number: 20140127418
    Abstract: The invention relates to a new surface preparation method using molecules comprising at least one covalent bond which gives rise to free radicals when the molecule is activated thermally, by organic or inorganic redox, photochemically, by plasma, by shear or else under the influence of ionizing radiation.
    Type: Application
    Filed: April 13, 2012
    Publication date: May 8, 2014
    Applicants: Arkema France, Institut Polytechnique de Bordeaux, Commissariat A L'Energie Atomique et Aux Energies Alternatives
    Inventors: Christophe Navarro, Stéphane Magnet, Xavier Chevalier, Raluca Tiron
  • Patent number: 8691915
    Abstract: This disclosure relates generally to methods for the manufacture of transparent polymer compositions exhibiting refractive indices similar or even identical to the refractive index of polycarbonate. Also disclosed are polymer blends comprising the disclosed polymer compositions blended with one or more convention polycarbonate.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: April 8, 2014
    Assignee: SABIC Innovative Plastics IP B.V.
    Inventors: Rajiv Kumar Srivastava, James Louis DeRudder, Rajashakhar Totad, Robert Walter Venderbosch, Raja Krishnamurthy
  • Patent number: 8685207
    Abstract: Finely divided, starch-containing polymer dispersions which are obtainable by free radical emulsion polymerization of ethylenically unsaturated monomers in the presence of at least one redox initiator and starch, (a) from 30 to 60% by weight of at least one optionally substituted styrene, (b) from 1 to 60% by weight of at least one C1-C12-alkyl acrylate and/or C1-C12-alkyl methacrylate, (c) from 0 to 10% by weight of at least one other ethylenically unsaturated copolymerizable monomer, being used as ethylenically unsaturated monomers and (d) from 15 to 40% by weight of at least one degraded starch which has a molar mass Mw of from 1000 to 65 000 g/mol being used as the starch, the sum (a)+(b)+(c)+(d) being 100% and being based on the total solids content, and the polymerization being carried out in the presence of at least 0.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: April 1, 2014
    Assignee: BASF SE
    Inventors: Anja Song, Holger Kern, Petra Arnold
  • Publication number: 20140039104
    Abstract: Disclosed are an alkyl(meth)acrylate-based thermoplastic resin composition and a thermoplastic resin with modified scratch resistance and yellowness. The alkyl(meth)acrylate-based thermoplastic resin composition provides improved scratch resistance and low yellowness index while maintaining transparency, flowability, and impact strength, even when the total content of the vinyl cyan-based monomer contained in the resin composition is reduced to a level unattainable by conventional techniques, and the content of the alkyl(meth)acrylate-based monomer is increased.
    Type: Application
    Filed: July 27, 2012
    Publication date: February 6, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Hyun Seok Yang, Dae Woo Lee, Han Jong You, Chang Hun Han, Seong Lyong Kim
  • Patent number: 8598246
    Abstract: Methylated polystyrene having pendant N-halamine and N-halamine precursor groups. Biocidal particles have been prepared by reacting highly crosslinked methylated polystyrene beads as starting materials with various N-halamine precursor compounds. The resulting polymer beads are halogenated with chlorine or bromine. The porous beads will be useful in disinfection applications as well as for sanitization and controlling noxious odor when mixed with absorbent materials in items such as disposable diapers, infant swimwear, incontinence pads, bandages, sanitary napkins, pantiliners, mattress covers, shoe inserts, sponges, animal litter, carpets, and fabrics.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: December 3, 2013
    Assignee: Auburn University
    Inventors: Shelby D. Worley, Yongjun Chen
  • Patent number: 8592542
    Abstract: The present invention provides porous resin beads containing an aromatic monovinyl compound-divinyl compound-(meth)acrylamide derivative copolymer. Preferably, the copolymer further contains as a structural unit a second aromatic monovinyl compound having a functional group capable of binding to a carboxyl group by a dehydrating condensation reaction.
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: November 26, 2013
    Assignee: Nitto Denko Corporation
    Inventors: Kenjiro Mori, Eri Maeta, Tatsuya Konishi
  • Patent number: 8586641
    Abstract: The present invention relates to a monolithic organic copolymer prepared by copolymerization of at least one monomer of the group consisting of styrene, (C1-C3)alkylstyrene, (meth)acrylic acid and esters thereof with a crosslinker in the presence of a macroporogen and a microporogen, wherein a) the sum of said at least one monomer of the group and the crosslinker is 10-20%, preferably 10-15%, by volume of the reaction mixture, with the rest being essentially macroporogen and microporogen, and the degree of said copolymerization is at least 70%, preferably at least 90%, more preferably at least 99%, or b) the sum of said at least one monomer of the group and the crosslinker is 30-50%, preferably 35-45%, by volume of the reaction mixture, with the rest being essentially macroporogen and microporogen, and the degree of said copolymerization is in the range of 25-60%, preferably 35-50%.
    Type: Grant
    Filed: October 19, 2006
    Date of Patent: November 19, 2013
    Assignee: Leopold-Franzens-Universitat Innsbruck
    Inventors: Lukas Trojer, Günther Bonn
  • Patent number: 8568624
    Abstract: The present invention relates to an acrylic copolymer resin containing: 1) an alklyl (meth)acrylate-based monomer; 2) a (meth)acrylate-based monomer containing an aliphatic ring and/or an aromatic ring; and 3) at least an imide-based monomer or a styrene-based monomer, to a resin composition containing said acrylic copolymer resin and a resin containing an aromatic ring and/or an aliphatic ring in the main chain thereof, to an optical film comprising said resin composition, and to a liquid crystal display device comprising said optical film. The optical film according to the present invention has excellent heat resistance, optical transparency, etc.
    Type: Grant
    Filed: February 18, 2010
    Date of Patent: October 29, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Su-Kyung Kim, Byoung-Il Kang, Dae-Woo Lee, Byoung-Kue Chun, Chang-Hun Han, Da-Eun Sung
  • Publication number: 20130281628
    Abstract: This disclosure relates generally to methods for the manufacture of transparent polymer compositions exhibiting refractive indices similar or even identical to the refractive index of polycarbonate. Also disclosed are polymer blends comprising the disclosed polymer compositions blended with one or more convention polycarbonate.
    Type: Application
    Filed: April 23, 2012
    Publication date: October 24, 2013
    Inventors: Rajiv Kumar Srivastava, James Louis DeRudder, Rajashakhar Totad, Robert Walter Venderbosch, Raja Krishnamurthy
  • Publication number: 20130252866
    Abstract: The present invention relates to copolymers comprising ester groups and having at least one nonpolar segment P and at least one polar segment D, the polar segment D having at least 8 repeat units and the proportion by weight of dispersing repeat units in the polar segment D being at least 30%, based on the weight of the polar segment D, wherein the copolymer comprising ester groups is obtainable by NMP (nitroxide mediated polymerization). The invention further relates to lubricant oils having improved friction properties and comprising said copolymers.
    Type: Application
    Filed: February 9, 2012
    Publication date: September 26, 2013
    Applicant: Evonik Oil Additives GmbH
    Inventors: Torsten Stoehr, Boris Eisenberg, Ellen Suchert
  • Publication number: 20130222883
    Abstract: There is provided a display particles including: a copolymer having a repeating unit corresponding to a vinyl compound represented by the following Formula (1) and a repeating unit corresponding to a compound with a polar group and an ethylenically unsaturated bond: Ar?H2C?CH2)n??Formula (1) wherein Ar represents an unsubstituted aromatic ring or an aromatic ring substituted with an alkyl group having from 1 to 6 carbon atoms or an aryl group having from 6 to 12 carbon atoms, and n represents an integer of from 1 to 4.
    Type: Application
    Filed: December 18, 2012
    Publication date: August 29, 2013
    Applicants: FUJIFILM CORPORATION, FUJI XEROX CO., LTD.
    Inventors: Fuji Xerox Co., Ltd., Fujifilm Corporation
  • Publication number: 20130150546
    Abstract: Provided is an acrylic copolymer comprising; an alkyl (meth)acrylate monomer; a monomer comprising a cyclic pendant structure; and a tert-butyl (meth)acrylate monomer and/or (meth)acrylamide monomer. Also provided is a resin composition comprising the same and an optical film and an IPS mode liquid crystal display device using the same.
    Type: Application
    Filed: August 19, 2011
    Publication date: June 13, 2013
    Applicant: LG Chem ,Ltd.
    Inventors: Da-Eun Sung, Su-Kyung Kim, Byung-ll Kang, Chang-Hun Han, Dae-Woo Lee, Jae-Bum Seo, Eun-Jung Choi, Yu-Taek Sung
  • Patent number: 8461253
    Abstract: Disclosed are coating compositions that can be one-component, ambient curable, and waterborne. The coating compositions comprise acrylic copolymer resin particles comprising carbonyl functional groups and a crosslinking agent comprising functional groups, such as hydrazide groups, that are reactive with carbonyl groups.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: June 11, 2013
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Ronald R. Ambrose, Mark S. Gaston, Brian K. Rearick, Irina G. Schwendeman, Venkateshwarlu Kalsani, Hongying Zhou, Michael J. Ziegler
  • Patent number: 8455600
    Abstract: Provided is a functional styrene-butadiene copolymer having superior silica affinity. The copolymer is prepared by radical polymerizing a styrene monomer, a butadiene monomer and a reactive polyol monomer in emulsion state in order to maximize the mixing effect when compounding with silica. When mixed with silica, the disclosed styrene-butadiene copolymer provides excellent wet traction and superior abrasion resistance, and is suitable to be used for an industrial material of snow tires, belts, hoses, etc.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: June 4, 2013
    Assignee: Korea Kumho Petrochemical Co., Ltd.
    Inventors: Seung Su Kim, Gwanghoon Kwag, Dong Hyuk Na, Jun Keol Choi, Seung Moo Huh, Jeon Koo Lee, Hye Min Kim
  • Patent number: 8445613
    Abstract: A polymer and a treating agent (such as a surface-treating agent) are provided that have excellent characteristics in such properties as water repellency, oil repellency, antifouling property and charge controlling property. The polymer contains a structural unit derived from fluorosilsesquioxane having an addition polymerizable group, or contains a structural unit derived from fluorosilsesquioxane having an addition polymerizable group and a structural unit derived from organopolysiloxane having an addition polymerizable group. The treating agent contains the polymer. An article treated with the treating agent is also provided.
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: May 21, 2013
    Assignee: JNC Corporation
    Inventors: Kenya Ito, Hisao Oikawa, Koji Ohguma, Mikio Yamahiro
  • Patent number: 8383751
    Abstract: A method of making a styrenic composition having a high melt strength including combining a styrenic monomer and a second monomer to form a combined mixture and subjecting the combined mixture to polymerization to obtain a styrenic co-polymer, wherein the second monomer comprises a hydroxyl functional group and wherein the styrenic composition has a greater melt strength than that of general purpose polystyrene.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: February 26, 2013
    Assignee: Fina Technology, Inc.
    Inventors: Wei Wang, David Knoeppel
  • Patent number: 8362179
    Abstract: The present invention provides structures including a substrate, a crosslinked polymer film disposed over the substrate, and a patterned diblock copolymer film disposed over the crosslinked polymer film. The crosslinked polymer comprises a random copolymer polymerized from a first monomer, a second monomer, and a photo-crosslinkable and/or thermally crosslinkable third monomer, including epoxy-functional or acrylyol-functional monomers. Also disclosed are methods for forming the structures.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: January 29, 2013
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Padma Gopalan, Eungnak Han
  • Patent number: 8357238
    Abstract: A premixed composition is formed from modified polyacrylate polymer, silicone emulsion, one or more amine compounds, and silane, that cures rapidly to form a composition that can be used as a grout or coating. The premixed composition includes a latex resin including an acrylic-based polymer, a silicone emulsion, one or more amine compounds, and a silane, and optionally various fillers, pigments, and adjuvants. These components in the proper proportions form a stable viscous suspension that can be floated into tile joints, and cleaned from an adjacent tile surface. The composition rapidly cures to form a hard mass that is resistant to abrasion, in both dry and wet conditions, is color consistent, and is resistant to staining.
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: January 22, 2013
    Assignee: Custom Building Products, Inc.
    Inventors: Steven L. Taylor, Zosimo D. Pamaran
  • Patent number: 8349068
    Abstract: A premixed composition is formed from modified polyacrylate polymer, silicone emulsion, and silane, that cures rapidly to form a composition that can be used as a grout or coating. The premixed composition includes a latex resin including an acrylic-based polymer, a silicone emulsion, and a silane, and optionally may include various fillers, pigments, and adjuvants. These components in the proper proportions form a stable viscous suspension that can be floated into tile joints, and cleaned from an adjacent tile surface. The composition rapidly cures to form a hard mass that is resistant to abrasion, in both dry and wet conditions, is color consistent, and is resistant to staining.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: January 8, 2013
    Assignee: Custom Building Products, Inc.
    Inventors: Steven L. Taylor, Zosimo D. Pamaran
  • Patent number: 8337961
    Abstract: The present invention relates to an acrylic pressure-sensitive adhesive composition which comprises a (meth)acrylic copolymer comprising an alkyl(meth)acrylic acid ester monomer, in which alkyl has 2 to 14 carbon atoms, and a (meth)acrylic acid ester monomer containing a copolymerizable photo-initiator group, wherein it has a gel fraction of 10 to 55% and a swelling ratio of 30 to 110, and a sol (uncross-linked polymer) eluted in final pressure-sensitive adhesive with a solvent (ethyl acetate) has a weight average molecular weight of 600,000 or more; and a polarizing plate and a liquid crystal display device, comprising the same. The polarizing plate according to the present invention has an excellent adhesion durability under a high temperature or a high temperature and humidity condition, has an excellent low light leakage property by effectively providing stress release property, and may greatly improve productivity for polarizing plates, by using photo-curing.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: December 25, 2012
    Assignee: LG Chem, Ltd.
    Inventors: No Ma Kim, Jeong Min Ha, Min Ki Lee, Suk Ky Chang
  • Publication number: 20120271022
    Abstract: An acrylic resin that can have excellent transparency, flowability and scratch-resistance property is prepared by polymerizing a monomer mixture comprising about 10 to about 25% by weight of (meth)acrylic acid alkyl ester monomer, about 50 to about 80% by weight of aromatic vinyl compound, and about 10 to about 25% by weight of vinyl cyanide compound.
    Type: Application
    Filed: June 27, 2012
    Publication date: October 25, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Don Keun Lee, Yu Ho Kim
  • Patent number: 8263721
    Abstract: Disclosed are soft, high refractive index device materials having improved strength. The materials contain a polystyrene macromer.
    Type: Grant
    Filed: April 2, 2009
    Date of Patent: September 11, 2012
    Assignee: Novartis AG
    Inventor: Douglas C. Schlueter
  • Publication number: 20120208911
    Abstract: A method of making a foamable polystyrene composition includes combining a styrenic monomer and a co-monomer containing a polar functional group to obtain a mixture, subjecting the mixture to polymerization to obtain a styrenic co-polymer, and combining the styrenic co-polymer with a blowing agent in a foaming process to obtain foamed articles.
    Type: Application
    Filed: January 11, 2012
    Publication date: August 16, 2012
    Applicant: FINA TECHNOLOGY, INC.
    Inventors: Wei Wang, David W. Knoeppel, Melissa Greenberg
  • Patent number: 8242213
    Abstract: In the present invention, in order to provide an electrode active material that has a high capacity density and from which a large current can be extracted and to provide a battery that has a high energy density and produces a large output, in a battery comprising at least a cathode, an anode and an electrolyte, a polyradical compound having a partial structure represented by the following general formula (2) is used as an electrode active material for at least one of the cathode and the anode, wherein, in the formula (2), R1 to R3 independently represent a hydrogen atom or a methyl group; and R4 to R7 independently represent an alkyl group having 1 to 3 carbon atoms.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: August 14, 2012
    Assignee: NEC Corporation
    Inventors: Masahiro Suguro, Shigeyuki Iwasa, Jirou Iriyama, Kentaro Nakahara, Masaharu Satou
  • Publication number: 20120178873
    Abstract: A styrenic copolymer composition including at least one alkyl acrylate and/or alkyl methacrylate comonomer, in which the styrenic copolymer composition is optically clear and has at least two times the impact strength compared to general-purpose polystyrene.
    Type: Application
    Filed: December 13, 2011
    Publication date: July 12, 2012
    Applicant: FINA TECHNOLOGY, INC.
    Inventors: Jay Reimers, Jose M. Sosa
  • Publication number: 20120123076
    Abstract: It is an object of the present invention to provide (1) a copolymer for a cured product that is satisfactory in properties, such as adhesion properties, as a chip stacking adhesive or the like. The present invention is a copolymer comprising repeating units represented by formula (I), formula (II), and formula (III), (wherein R1, R2, and R3 each independently represent a hydrogen atom or a methyl group, R4 represents an alkyl group or a cycloalkyl group, R5 represents a hydrogen atom or a C1 to C6 alkyl group, m, n, and k represent a molar ratio of the respective repeating units, m represents a positive number of 0 or more and less than 1, n and k each independently represent a positive number, and satisfy a relation of m+n+k=1), and having a weight-average molecular weight in the range of 50,000 to 200,000.
    Type: Application
    Filed: August 4, 2010
    Publication date: May 17, 2012
    Applicant: NIPPON SODA CO., LTD
    Inventors: Eiji Takahashi, Shinji Marumo, Gou Mishima
  • Publication number: 20120115963
    Abstract: A process for the preparation of a polymer nanoparticle by a photoinduced emulsion polymerization includes preparing an emulsion comprising at least one surfactant, a dispersed phase and a continuous phase. The dispersed phase comprises at least one polymerizable monomer and the continuous phase comprises water and at least one photoinitiator. The at least one polymerizable monomer is polymerized by exposing the emulsion to an electromagnetic radiation having a wavelength so as to induce a generation of radicals from the at least one photoinitiator.
    Type: Application
    Filed: April 16, 2010
    Publication date: May 10, 2012
    Applicant: ETH ZUERICH
    Inventors: Hansjoerg Gruetzmacher, Timo Ott
  • Patent number: 8168736
    Abstract: The invention describes an emulsion polymer which can be obtained by polymerization of a mixture comprising a) from 5 to 99.9% by weight of one or more monomers having a solubility in water of <2% by weight at 20° C. and selected from the group consisting of monofunctional (meth)acrylate monomers, styrene and vinyl esters; b) from 0 to 70% by weight of one or more monomers which can be copolymerized with the monomers a); c) from 0 to 20% by weight of one or more doubly or multiply vinylically unsaturated compounds; d) from 0 to 20% by weight of one or more polar monomers having a solubility in water of >2% by weight at 20° C.; and e) 0.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: May 1, 2012
    Assignee: Evonik Röhm GmbH
    Inventors: Gerold Schmitt, Wolfgang Klesse, Joachim Knebel
  • Patent number: 8163836
    Abstract: An adhesive composition which is reduced in gas generation upon heating (has low hygroscopicity), has high alkali resistance, has heat resistance of 200° C. or higher, and can be easily removed with a stripping liquid; and an adhesive film made with the adhesive composition. The adhesive composition is prepared using, at least as a major ingredient, an acrylic polymer produced from (a) styrene, (b) a (meth)acrylic ester monomer containing a cyclic skeleton, and (c) an alkyl (meth)acrylate monomer. The adhesive film has an adhesive composition layer formed from this adhesive composition.
    Type: Grant
    Filed: October 23, 2006
    Date of Patent: April 24, 2012
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Koichi Misumi, Ken Miyagi, Atsushi Miyanari, Yoshihiro Inao
  • Publication number: 20120083572
    Abstract: Styrenic (meth)acrylic oligomers that are prepared at lower temperature than conventional solid grade oligomers, or are hydrogenated, contain fewer terminal vinylic unsaturations, when compared to such conventional styrenic (meth)acrylic oligomers prepared by the customary high temperature processes. Styrenic (meth)acrylic oligomers that contain fewer terminal vinylic unsaturations demonstrate improved thermal stability and may provide improved resistance to UV weathering compared to the conventional and non-hydrogenated styrenic (meth)acrylic oligomers.
    Type: Application
    Filed: September 30, 2011
    Publication date: April 5, 2012
    Inventors: Timothy D. Klots, Rafael Galvan, Jon Debling
  • Publication number: 20120004381
    Abstract: A method of preparing polymer, the method comprising polymerising one or more ethylenically unsaturated monomers of formula (I) where U is selected from H, C1-C4 alkyl or halogen; V is halogen or of the form O-G where G is selected from —C(O)R1 and —R1, or V is of the form NGGa where G is as defined above and Ga is selected from H and R1, G and Ga form together with N a heterocyclic ring, or V is of the form CH2Gb where Gb is selected from H, R1, OH, OR1, NR12, PR12, P(O)R12, P(OR1)2, SR1, SOR1, and SO2R1; and where the or each R1 is independently selected from optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl, optionally substituted heteroaryl, optionally substituted carbocyclyl, optionally substituted heterocyclyl, optionally substituted arylalkyl, optionally substituted heteroarylalkyl, optionally substituted alkylaryl, optionally substituted alkylheteroaryl, and an optionally substituted polymer chain, under the control of a RA
    Type: Application
    Filed: January 22, 2010
    Publication date: January 5, 2012
    Applicant: COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
    Inventors: Ezio Rizzardo, John Chiefari, Massimo Benaglia, San Thang, Graeme Moad
  • Publication number: 20110318515
    Abstract: The invention relates to methyl methacrylate characterized in that at least one portion of the carbons thereof is biologically sourced and, more specifically, in that it contains between 0.2×10?10 and 1.2×10?10 wt.-% of 14C in relation to total carbon weight according to the ASTM D6866 standard. The preparation method comprises the use of acetone cyanohydrin as a raw material, said acetone cyanohydrin being obtained by condensing cyanohydric acid on acetone, and the methyl methacrylate is prepared using a process involving the addition of methanol. According to the invention, at least one from among the acetone, cyanohydric acid and methanol is obtained by means of a reaction or series of reactions involving the biomass.
    Type: Application
    Filed: May 28, 2009
    Publication date: December 29, 2011
    Applicant: Arkema France
    Inventors: Jean-Luc Dubois, Jean Francois Crolzy, Lucie Campora, Camille Croizy, Pauline Croizy
  • Patent number: 8084546
    Abstract: A method for varying the transport properties of a film cast from a polymer having at least two polymer end blocks A and at least one polymer interior block B wherein each A block is a polymer block resistant to sulfonation and each B block is a polymer block susceptible to sulfonation, and wherein said A and B blocks do not contain any significant levels of olefinic unsaturation. The method includes casting the polymer using a solvent mixture having two or more solvents selected from the group consisting of polar solvents and non-polar solvents.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: December 27, 2011
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Carl Lesley Willis, Dale Lee Handlin, Jr., Scott Russell Trenor, Brian Douglas Mather