At Least Two Polymers Derived From Carboxylic Acid Ester Reactants Patents (Class 525/228)
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Patent number: 12194190Abstract: The present disclosure provides a medical adhesive and a preparation method thereof, comprising a component A and a component B: the component A comprises a cycloketene acetal compound and an oxidizing agent; the component B comprises a vinyl monomer, a cross-linking agent and a reducing agent, wherein the cycloketene acetal compound is selected from one or more of 2-methylene-1,3-dioxepane, 2-methylene-4-phenyl-1,3-dioxolane, 5,6-benzo-2-methylene-1,3-dioxepane and 4,7-dimethyl-2-methylene-1,3-dioxepane. The medical adhesive overcomes the disadvantages of conventional medical adhesives.Type: GrantFiled: November 10, 2022Date of Patent: January 14, 2025Assignee: CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY, CHINESE ACADEMY OF SCIENCEInventors: Shifang Luan, Ran Yang, Xu Zhang, Binggang Chen, Qiuyan Yan
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Patent number: 12054655Abstract: A repulpable pressure-sensitive adhesive useful on polar and apolar papers and storage-stable comprises a polymer whose parent monomer composition comprises: a) 10 to 30 wt % of at least one compound of the formula (I) CH2?CH—C(O)NR1R2??(I), wherein R1 is an unsubstituted alkyl group, a hydroxyalkyl group or an acetonyl radical and R2 is a hydrogen atom, an unsubstituted alkyl group, a hydroxyalkyl group, an acetonyl radical or an aminoalkyl group; b) 60 to 80 wt % of at least one compound of the formula (II) CH2?CH—C(O)O—(CH2)2—O—R3??(II), wherein R3 is an unsubstituted alkyl group, an alkoxyalkyl group or a (polyalkoxy)alkyl group; and c) 0.5 to 10 wt % of at least one monomer selected from the group consisting of acrylic acid, methacrylic acid and (C2-C4 hydroxyalkyl) acrylates. Also disclosed is an adhesive tape comprising the pressure-sensitive adhesive, and use of the pressure-sensitive adhesive and/or the adhesive tape for producing water-soluble bonds.Type: GrantFiled: December 18, 2020Date of Patent: August 6, 2024Assignee: tesa SEInventors: Benjamin Pütz, Ralf Kretzmer
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Patent number: 11692678Abstract: The present disclosure is directed to examples of housing for a luminaire. In one example, the housing includes a bioplastic base formed to receive a light emitting diode and a driver and a lens coupled to the bioplastic base. The bioplastic base may include a bioplastic and is formed with a non-biodegradable or a biodegradable plastic.Type: GrantFiled: March 1, 2022Date of Patent: July 4, 2023Assignee: Dialight CorporationInventors: Kenneth Jenkins, Samual Boege, Jason DiPasquale, Anthony Verdes
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Patent number: 11156746Abstract: A composition comprising: a blended product of: a matrix polymer; and from 0.05 to 2.5 wt % diffuser polymer particles, wherein the diffuser polymer particles are characterized by an average diameter from 2 to 20 micrometers, a particle size distribution such that at least 90 wt % of the polymer particles fall within ±30% of the volume average particle size, a crosslinking level greater than 4%; and wherein the diffuser polymer particles comprise units derived from at least one alkyl(meth)acrylate monomer, from 5 wt % to 25 wt % units derived from a crosslinking monomer selected from the group consisting of aliphatic crosslinking monomers, aromatic crosslinking monomers and combinations thereof, optionally, units derived from one or more comonomers selected from the group consisting of aryl(meth)acrylate monomers and monovinyl arenes; and wherein from 0.1 to 20 wt % one or more performance additives dispersed within the diffuser polymer particles is provided.Type: GrantFiled: August 5, 2013Date of Patent: October 26, 2021Assignee: Rohm and Haas CompanyInventors: Hailan Guo, Eric Lundquist
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Patent number: 10982117Abstract: An adhesive material contains a styrene resin, a (meth)acrylate resin, and an oxidatively polymerizable compound, wherein the adhesive material has a sea-island structure that includes a sea portion containing the styrene resin and an island portion containing the (meth)acrylate resin, and the glass transition temperature of the (meth)acrylate resin is at least 30° C. lower than the glass transition temperature of the styrene resin.Type: GrantFiled: October 3, 2018Date of Patent: April 20, 2021Assignee: FUJI XEROX CO., LTD.Inventors: Sumiaki Yamasaki, Shiori Chonan, Yasuo Matsumura
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Patent number: 10882989Abstract: Provided are a resin blend, a copolymer, a pellet, a method of manufacturing a resin molded article using the same, and a resin molded article. The exemplary resin blend may provide a protective film for a polarizing plate having an excellent adhesive strength to a polarizer. In addition, when the resin blend is used, additional primer coating on the protective film for a polarizing plate may be omitted, and an excellent adhesive strength to the polarizer may be exhibited, thereby reducing production time and cost and increasing productivity.Type: GrantFiled: July 15, 2014Date of Patent: January 5, 2021Assignee: LG CHEM. LTD.Inventors: Jong Won Lee, Han Na Lee, Jin Young Ryu, Woo Sung Kim, Eun Joo Choi, Hyeon Choi
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Patent number: 10539290Abstract: The invention relates to optical light diffusers for use with point light sources, such as LED lighting. The optical diffusers achieve an optimum balance of light transmission and hiding power. The optical light diffuser is a transparent plastic matrix, such as Plexiglas® resin from Arkema Inc., having organic particles dispersed within the matrix. The particles are crosslinked beads having specific particle sizes and loading. Different beads can be combined to provide added properties such as a textured surface, and to optimize hiding power and light transmission. The invention also relates to a luminous device containing at least one light-emitting diode and a cover made of the optical light diffuser. The invention further relates to a method for assessing hiding power.Type: GrantFiled: September 27, 2013Date of Patent: January 21, 2020Assignee: Arkema FranceInventors: Michael T. Burchill, Steven W. Gaskey, Robert A. Wanat, Jiaxin Ge, Mark A. Aubart
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Patent number: 10377922Abstract: A composite dry adhesive includes (a) an adhesive layer comprising a shape memory polymer and (b) a resistive heating layer comprising a shape memory polymer composite on the adhesive layer. The shape memory polymer composite includes conductive particles dispersed in a shape memory polymer matrix, where the conductive particles have a concentration sufficient to form a conductive path through the resistive heating layer.Type: GrantFiled: August 20, 2015Date of Patent: August 13, 2019Assignee: The Board of Trustees of the University of IllinoisInventors: Seok Kim, Jeffrey D. Eisenhaure
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Patent number: 10167385Abstract: The present invention relates to an acrylic processing aid, a method for preparing the same, and a polyvinyl chloride resin composition comprising the same. More specifically, the present invention relates to an acrylic processing aid having a core-shell structure comprising the core and shell comprise a polymer prepared by copolymerizing a methyl methacrylate monomer and an alkyl acrylate monomer having 1 to 18 carbon atoms, and wherein the core comprises the polymer having a weight-average molecular weight ranging from 10,000,000 to 18,000,000 g/mol, a method for preparing the same, and a polyvinyl chloride resin composition comprising the same.Type: GrantFiled: February 10, 2017Date of Patent: January 1, 2019Assignee: LG Chem, Ltd.Inventors: Yoon Ho Kim, Geon Soo Kim, Chang No Lee
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Patent number: 9891368Abstract: A multilayer sheet includes a first resin layer, a second resin layer, a particle-containing layer disposed at least between the first and second resin layers and including plural particles and gaps formed between the particles, and an intermediate layer disposed at least one selected from between the first resin layer and the particle-containing layer or between the second resin layer and the particle-containing layer, including a copolymer having a weight average molecular weight (Mw) of 300,000 or more and a molecular weight distribution, expressed as a ratio of the weight average molecular weight (Mw) to a number average molecular weight (Mn), of 6.0 or less and a structural moiety derived from a crosslinking agent adapted to crosslink the copolymer, and having a crosslinking density of from more than 0 mol/m3 to 450 mol/m3.Type: GrantFiled: April 9, 2014Date of Patent: February 13, 2018Assignee: NIPPON CARBIDE INDUSTRIES CO., INC.Inventors: Naoki Musashi, Ippei Imagawa, Ichiro Uchijima, Ikuo Mimura
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Patent number: 9856373Abstract: Disclosed is a (meth)acrylate-based resin composition comprising a poly(alkyl(meth)acrylate-phenyl(meth)acrylate) copolymer comprising phenyl(meth)acrylate having excellent surface hardness and a high refractive index, as a base resin and a (conjugated diene (meth)acrylate) graft copolymer having excellent impact absorption efficiency, the (meth)acrylate-based resin composition providing excellent transparency by exhibiting excellent impact resistance even using a small amount of impact modifier. The (meth)acrylate-based resin composition having excellent impact resistance and transparency comprises 1 to 29 wt % of the (conjugated diene-(meth)acrylate) graft copolymer and 71 to 99 wt % of the poly(alkyl(meth)acrylate-phenyl(meth)acrylate) copolymer.Type: GrantFiled: June 25, 2014Date of Patent: January 2, 2018Assignee: LG CHEM, LTD.Inventors: Byoung Il Kang, Chang Hun Han, Jae Bum Seo, Da Eun Sung, Dae Woo Lee, Eun Jung Choi
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Patent number: 9562991Abstract: Disclosed is a polymer comprising a repeating unit represented by Chemical Formula 1, or a polymer comprising a repeating unit represented by Chemical Formula 2: wherein R1, R2, x and y are as defined herein.Type: GrantFiled: August 8, 2013Date of Patent: February 7, 2017Assignees: SAMSUNG ELECTRONICS CO., LTD., CHEIL INDUSTRIES INC.Inventors: Hyung Jun Kim, Kyoung Ah Oh, Eun Kyung Lee, Kyu Yeol In, Myung Sup Jung, Won-Cheol Jung
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Patent number: 9410053Abstract: Provided is an aqueous coating composition including: particular amounts of certain first solid polymeric particles having an average diameter of 0.60-0.99 ?m; certain second solid polymeric particles having an average diameter of 2-20 ?m, and mixtures thereof; and, third solid polymeric particles having a calculated Tg of from ?60 C to 120° C. and an average particle diameter of from 50 nm to 500 nm; wherein the second solid polymeric particles have a K10 value of less than 1.9E+10 N/m2; wherein the difference between the refractive index of the outer surface of the second solid polymeric particles and the refractive index of the third solid polymeric particles is between 10E-4 to 10E-2; and wherein the aqueous coating composition comprises less than 10% by volume, inorganic extender particles. A method for providing a coating from the aqueous coating composition and a low glare coating so formed are also provided.Type: GrantFiled: September 18, 2013Date of Patent: August 9, 2016Assignee: ROHM AND HAAS COMPANYInventors: Nader N. Kamel, Edward La Fleur, Partha S. Majumdar, Edwin Hugh Nungesser
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Patent number: 9090763Abstract: Provided are a resin blend for forming a layer-separated structure, a pellet, a method of preparing a resin article using the same, and a resin article. The resin blend may include a first resin, and a second resin including a resin to which a fluorine or fluorine-substituted organic functional group is introduced and having a difference in surface energy from the first resin at 25° C. of 0.1 to 35 mN/m. The resin blend can improve mechanical and surface characteristics of a resin article. Also, the resin blend can realize excellent contamination resistance of a resin article. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased.Type: GrantFiled: November 28, 2012Date of Patent: July 28, 2015Assignee: LG CHEM, LTD.Inventors: Jin Young Ryu, Hak Shin Kim, Houng Sik Yoo, Eun Joo Choi, Young Jun Hong
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Patent number: 9029476Abstract: A composition comprising: a blended product of: a matrix polymer; and from 0.05 to 2.5 wt % diffuser polymeric particles, wherein the diffuser polymeric particles are characterized by an average diameter from 2.0 to 8 micrometers, a particle size distribution such that at least 90 wt % of the polymer particles fall within ±30% of the volume average particle size, a refractive index, RI, from 1.50 to 1.55; a crosslinking level great than 4%; and wherein the diffuser polymeric particles are produced using at least one alkyl(meth)acrylate monomer copolymerized with from 5 wt % to 25 wt % crosslinking monomer selected from the group consisting of aliphatic crosslinking monomers, aromatic crosslinking monomers, and combinations thereof, and optionally, one or more comonomers selected from the group consisting of aryl(meth)acrylate monomers and monovinyl arenes is provided.Type: GrantFiled: March 26, 2013Date of Patent: May 12, 2015Assignee: Rohm and Haas CompanyInventors: Hailan Guo, Eric G. Lundquist, Luu Le
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Publication number: 20150073096Abstract: The present invention relates to a process for controlling the period of a nanostructured assemblage comprising a blend of block copolymers which is deposited on a surface or in a mold. Block copolymers are characterized by the possession of at least one of the constituent monomers respectively of each of the blocks of the block copolymers identical but exhibit different molecular weights. The control process is targeted at obtaining thicknesses of films or objects, with few nanostructuring defects, which are sufficiently great for the treated surface to be able to be used as masks for applications in microelectronics or for the objects resulting therefrom to exhibit previously unpublished mechanical, acoustic or optical characteristics.Type: ApplicationFiled: September 9, 2014Publication date: March 12, 2015Applicants: ARKEMA FRANCE, CNRS, UNIVERSITÉ DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUXInventors: Christophe Navarro, Xavier Chevalier, Celia Nicolet, IIias Iliopoulos, Raluca Tiron, Guillaume Fleury, Georges Hadziioannou
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Patent number: 8975337Abstract: A molding compound comprises a copolymer (I)a), produced by polymerization of 90-100% by weight methylmethacrylate, styrene and malic acid anhydride, and optionally 0-10% by weight additional monomers which can be copolymerized with methylmethacrylate, a (co)polymer (II)b), produced by polymerization of 80-100% by weight methylmethacrylate and optionally 0-20% by weight additional monomers which can be copolymerized with methylmethacrylate, and has a solution viscosity in chloroform at 25° C. (ISO 1628 Part 6) of 50 to 55 ml/g, as well as c) optional conventional additives, auxiliary agents and/or fillers. The molding compound is characterized in that the copolymer (I) has a solution viscosity in chloroform at 25° C. (ISO 1628 Part) of 55 ml/g or less. Also disclosed are moldings produced by thermoplastic processing of the molding compound and their uses.Type: GrantFiled: September 23, 2011Date of Patent: March 10, 2015Assignee: Evonik Röhm GmbHInventors: Werner Hoess, Michael Wicker, Klaus Schultes, Klaus Albrecht, Martin Mohrmann
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Patent number: 8969468Abstract: The invention is a methacrylic resin composition which includes a methacrylic resin (A) and a saponified polymer (B) that is an alkaline-saponified product of an ethylene-unsaturated carboxylic acid ester copolymer, and the methacrylic resin composition has a concentration of alkali ions of from 0.03 mol/kg to 2.8 mol/kg.Type: GrantFiled: May 23, 2012Date of Patent: March 3, 2015Assignee: Du Pont-Mitsui Polychemicals Co., Ltd.Inventors: Masataka Aoyama, Toshiyuki Ishii, Youichi Shinya, Kenichi Date
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Publication number: 20150035235Abstract: A sheet is made of ACM. A backbone monomer of ACM is a mixture of ethyl acrylate and butyl acrylate. The weight ratio of butyl acrylate to ethyl acrylate is 0.8 to 1.3. A crosslinking monomer of ACM has a carboxyl group.Type: ApplicationFiled: July 31, 2014Publication date: February 5, 2015Inventor: Takeshi TSUDA
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Publication number: 20150035236Abstract: A sheet contains AEM and ACM, and the AEM and the ACM are integrally bonded together. A backbone monomer of the AEM is formed of ethylene methyl acrylate, and a crosslinking monomer of the AEM has a carboxyl group. A backbone monomer of the ACM is formed of at least one of ethyl acrylate, butyl acrylate, and methoxy ethyl acrylate, and a crosslinking monomer of the ACM has a carboxyl group, an epoxy group, or an active chlorine group.Type: ApplicationFiled: July 31, 2014Publication date: February 5, 2015Inventor: Takeshi TSUDA
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Patent number: 8940371Abstract: The present invention is directed to a composition capable of inhibiting moisture vapor emission from concrete structures and enhancing adhesion of a finish material to the concrete structure comprising an aqueous mixture of a first copolymer of mer units formed from vinylidene halide and a C1-C2 alkyl acrylate with a second copolymer of mer units formed from vinylidene halide and a C4-CS alkyl acrylate and to the method of forming a moisture barrier/adhesion promoter coating on concrete comprising applying from 2.8 to 5.6 liters (0.75 to 1.5 gallons) of an aqueous carrier having from 10 to 50 weight percent of the mixture of copolymers stated above per 14 m2 (150 square feet) of the free surface of a concrete structure.Type: GrantFiled: May 2, 2012Date of Patent: January 27, 2015Assignee: Uniseal Solutions Inc.Inventor: Michael Ray Leaman
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Patent number: 8926872Abstract: 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: GrantFiled: September 20, 2013Date of Patent: January 6, 2015Assignee: LG Chem, Ltd.Inventors: Su-Kyung Kim, Byoung-Il Kang, Dae-Woo Lee, Byoung-Kue Chun, Chang-Hun Han, Da-Eun Sung
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Publication number: 20140364572Abstract: A polyolefin-based composition showing improved weldability using high frequency (HF) includes (1) a base polymer selected from (a) a homogeneously branched, linear or substantially linear ethylene/?-olefin copolymer; (b) a homogeneously branched propylene/?-olefin copolymer; or (c) a combination thereof; and (2) at least one secondary component selected from (a) an ethylene vinyl acetate copolymer having from 5 to 40 wt % vinyl acetate; (b) an ethylene-ethyl acrylate having from 5 to 25 wt % ethyl acrylate; and (c) a combination thereof. The combination of the specified polyolefin with the specified secondary component, which is a polar polymer, makes these formulations HF weldable, with a cohesive welding failure, a weld strength for 10 mil thick film greater than 7 lb/in (1.23 N/mm) at a weld time of less than or equal to 6 seconds. The formulations may also exhibit good calendering processability and mechanical properties.Type: ApplicationFiled: December 21, 2012Publication date: December 11, 2014Applicant: Dow Global Technologies LLCInventors: Laura B. Weaver, Yushan Hu, Jose M. Rego, Guang M. Li, Sherrika D. Daniel, Kim L. Walton
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Publication number: 20140316068Abstract: A bimodal toughening agent comprising a) a first preformed coreshell toughening agent and b) a second preformed coreshell toughening agent wherein the second preformed coreshell toughening agent has a particle size of at least two times larger than that of the first preformed coreshell toughening agent, and the use of the bimodal toughening agent in a thermosettable epoxy resin composition, is disclosed.Type: ApplicationFiled: November 1, 2012Publication date: October 23, 2014Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: George C. Jacob, Yasmin N. Srivastava, Nikhil E. Verghese, Theofanis Theofanous, Ludovic Valette, Ha Q. Pham
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Publication number: 20140309374Abstract: Disclosed are an acrylic resin film maintaining a gloss and having good transparency, processing properties, and impact resistance after thermal molding, and a method for manufacturing same. The acrylic resin film according to the present invention includes 10 to 70 parts by weight of an acrylic resin having high fluidity, 10 to 70 parts by weight of an acrylic resin having high hardness, and 5 to 20 parts by weight of an acrylic impact reinforcing material based on 100 parts by weight of the total weight.Type: ApplicationFiled: November 20, 2012Publication date: October 16, 2014Inventors: Chang Hak Shin, Eung Kee Lee, Ku Il Park, Deok Ryul Hwang, Min Hee Lee
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Patent number: 8828539Abstract: The present invention relates to an acrylic pressure-sensitive adhesive including: a) an acrylic polymer containing, as a monomer unit, an alkyl (meth)acrylate including an alkyl group having 1 to 20 carbon atoms in an amount of 50% by weight or more; and b) a tackifier resin, in which the acrylic polymer a) contains two kinds of monomer units having a difference in solubility parameter (SP value) of 0.2 (MPa)1/2 or more, each in an amount of 15% by weight or more.Type: GrantFiled: March 16, 2009Date of Patent: September 9, 2014Assignee: Nitto Denko CorporationInventors: Tetsuya Hirose, Shinji Inokuchi, Kazuhisa Maeda, Yusuke Sugino
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Patent number: 8821979Abstract: A process for manufacturing a non-woven fabric having on its surface distributed elements having a physical dimension, comprises screen printing on wet fabric a desired shape using a paste that expands under heating by virtue of a puffing agent contained therein.Type: GrantFiled: October 11, 2011Date of Patent: September 2, 2014Assignee: N. R. Spuntech Industries Ltd.Inventors: Jan van Mil, Ron Broshi
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Publication number: 20140227603Abstract: An adhesive resin composition for a secondary battery for bonding a separator for a secondary battery and an electrode for a secondary battery, wherein the composition comprises an adhesive resin, the adhesive resin contains the following (A) and (B), and the phase composed of (A) and (B) has a core shell heterophase structure and/or a sea-island heterophase structure: (A) a resin having a glass transition temperature of ?30° C. to +20° C., (B) a resin having a glass transition temperature 20° C. to 200° C. higher than the glass transition temperature of (A).Type: ApplicationFiled: September 24, 2012Publication date: August 14, 2014Inventor: Toshihiko Ogata
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Publication number: 20140100322Abstract: The invention is a methacrylic resin composition which includes a methacrylic resin (A) and a saponified polymer (B) that is an alkaline-saponified product of an ethylene-unsaturated carboxylic acid ester copolymer, and the methacrylic resin composition has a concentration of alkali ions of from 0.03 mol/kg to 2.8 mol/kg.Type: ApplicationFiled: May 23, 2012Publication date: April 10, 2014Applicant: DU PONT-MITSUI POLYCHEMICALS CO., LTD.Inventors: Masataka Aoyama, Toshiyuki Ishii, Youichi Shinya, Kenichi Date
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Publication number: 20140044879Abstract: The present invention is directed to a composition capable of inhibiting moisture vapor emission from concrete structures and enhancing adhesion of a finish material to the concrete structure comprising an aqueous mixture of a first copolymer of mer units formed from vinylidene halide and a C1-C2 alkyl acrylate with a second copolymer of mer units formed from vinylidene halide and a C4-CS alkyl acrylate and to the method of forming a moisture barrier/adhesion promoter coating on concrete comprising applying from 2.8 to 5.6 liters (0.75 to 1.5 gallons) of an aqueous carrier having from 10 to 50 weight percent of the mixture of copolymers stated above per 14 m2 (150 square feet) of the free surface of a concrete structure.Type: ApplicationFiled: May 2, 2012Publication date: February 13, 2014Applicant: UNISEAL SOLUTIONS INC.Inventor: Michael Ray Leaman
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Publication number: 20140005336Abstract: A composition comprising multistage polymeric particles having an average particle diameter from 0.5 to 15 ?m and a Vicker's scale hardness from 100 to 700 Kgf/mm2; and a film-forming polymer having Tg no greater than 80° C. The refractive index difference measured from 400 nm to 800 nm between the polymeric particles and the film-forming polymer is no greater than 0.02 and the average refractive index difference measured from 800 nm to 2500 nm between the polymeric particles and the film-forming polymer is at least 0.04.Type: ApplicationFiled: April 10, 2013Publication date: January 2, 2014Inventors: EDWARD E. LAFLEUR, LUU T. LE, EDWIN NUNGESSER
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Patent number: 8617708Abstract: A methacrylic resin, including 80 to 99.5% by mass of a methacrylic acid ester monomer unit, and 0.5 to 20% by mass of other vinyl monomer unit which is copolymerizable with at least one of the methacrylic acid ester, wherein the methacrylic resin satisfies the following conditions (I) to (III): (I) having a weight average molecular weight measured by gel permeation chromatography (GPC) of 60,000 to 300,000; (II) having a content of a molecular weight component 1/5 or less the peak molecular weight (Mp) obtained from a GPC elution curve, said content being 7 to 40% based on a region area ratio obtained from the GPC elution curve; and (III) having an angle of repose of 20 to 40°.Type: GrantFiled: October 22, 2010Date of Patent: December 31, 2013Assignee: Asahi Kasei Chemicals CorporationInventor: Fumiki Murakami
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Publication number: 20130336882Abstract: The adhesive composition for soft tissues, the adhesive composition for wound dressing or the wound dressing agent composition of the present invention is an adhesive composition for soft tissues, an adhesive composition for wound dressing or a wound dressing agent composition, comprising a monomer (A), a polymer (B) and a polymerization initiator composition (C) containing an organoboron compound, and is characterized by having a viscosity of 0.4 to 75,000 cp within 30 seconds after mixing of the components (A), (B) and (C). The composition of the present invention not only has low toxicity, low harmfulness and high adhesive strength but also is excellent in workability during application and is capable of forming films of excellent properties.Type: ApplicationFiled: August 14, 2013Publication date: December 19, 2013Applicant: Mitsui Chemicals, Inc.Inventors: Noriaki ASADA, Shinya Aoki, Hiroshi Naruse, Shoichi Miyakoshi, Masami Arata
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Patent number: 8609980Abstract: Provided herein is a blend composition useful as a cross-linkable encapsulant layer and consisting essentially of two ethylene copolymers and optionally one or more additives. The first ethylene copolymer comprises copolymerized units of ethylene, optionally a first olefin having the formula CH2?C(R1)CO2R2, and a second olefin having the formula CH2?C(R3)COOH. At least a portion of the carboxylic acid groups have been neutralized to form carboxylate salts. The second ethylene copolymer consists essentially of copolymerized units of ethylene, optionally a first olefin having the formula CH2?C(R1)CO2R2, and a third olefin having the formula CH2?C(R4)D. R1, R3 and R4 represent hydrogen or an alkyl group; R2 represents an alkyl group; and D represents a moiety containing an epoxy group. Further provided are solar cell modules comprising the encapsulant layer.Type: GrantFiled: July 30, 2010Date of Patent: December 17, 2013Assignee: E I du Pont de Nemours and CompanyInventors: George Wyatt Prejean, Alison Margaret Anne Bennett
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Patent number: 8609746Abstract: A bone cement composition which contains large-diameter (meth)acrylate polymer particles having an average particle diameter of 10 to 60 ?m, small-diameter (meth)acrylate polymer particles having an average particle diameter of 0.1 to 2.0 ?m, a (meth)acrylate monomer and a polymerization initiator, wherein the content of the small-diameter (meth)acrylate polymer particles is 5 to 30% by mass based on the total mass of the small-diameter (meth)acrylate polymer particles and the large-diameter (meth)acrylate polymer particles, and a part or a whole of the small-diameter (meth)acrylate polymer particles are contained in the form of aggregates having an average particle diameter of 30 to 50 ?m.Type: GrantFiled: February 23, 2010Date of Patent: December 17, 2013Assignees: Kyoto University, Ishihara Sangyo Kaisha, Ltd.Inventors: Takashi Nakamura, Koji Goto, Takehiro Shibuya, Yoshimichi Ueda, Tokuo Suita, Masashi Imamura, Hiroaki Nishii
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Patent number: 8609777Abstract: Provided herein is a blend composition useful as a cross-linkable encapsulant layer and consisting essentially of two ethylene copolymers and optionally one or more additives. The first ethylene copolymer comprises copolymerized units of ethylene, optionally a first olefin having the formula CH2?C(R1)CO2R2, and a second olefin having the formula CH2?C(R3)COOH. The second ethylene copolymer consists essentially of copolymerized units of ethylene, optionally a first olefin having the formula CH2?C(R1)CO2R2, and a third olefin having the formula CH2?C(R4)D. R1, R3 and R4 represent hydrogen or an alkyl group; R2 represents an alkyl group; and D represents a moiety containing an epoxy group. Further provided are solar cell modules comprising the encapsulant layer. The encapsulant layer comprises the blend composition or the product of cross-linking the blend composition, in which some acid groups of the second olefin have reacted with some epoxy groups of the third olefin.Type: GrantFiled: July 30, 2010Date of Patent: December 17, 2013Assignee: E I du Pont de Nemours and CompanyInventors: George Wyatt Prejean, Rebecca L Smith
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Publication number: 20130330548Abstract: An adhesive film or sheet of the present invention includes an adhesive layer containing an ethylene-alkyl (meth)acrylate copolymer (A). The ethylene-alkyl (meth)acrylate copolymer (A) is a random binary copolymer of ethylene and alkyl(meth)acrylate, carbon atoms of an alkyl group of the alkyl(meth)acrylate are 2 or more, and a melting point T[° C.] measured based on JIS K7121-1987 and unit content X [mol %] of the alkyl (meth)acrylate satisfy the following Expression (1). ?3.0X+125?T??3.0X+107??(1) (Herein, the adhesive layer does not contain a high-crystalline ethylene-based or propylene-based copolymer having a melting temperature of equal to or higher than 115° C.Type: ApplicationFiled: February 20, 2012Publication date: December 12, 2013Applicant: DU PONT-MITSUI POLYCHEMICALS CO., LTD.Inventors: Masataka Aoyama, Koichiro Yamamoto, Yoshitaka Hironaka, Atsushi Morimoto, Chikara Ichinoseki
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Publication number: 20130330558Abstract: The present invention relates to a resin blend for a melting process, to a method for manufacturing a resin molding using same, and to a resin molding obtained thereby, the resin blend comprising a first resin and a second resin, wherein the second resin includes a polymer resin having at least one organic functional group selected from the group consisting of an alkyl group having 2 to 20 carbon atoms, an alicyclic ring having 5 to 40 carbon atoms and an aromatic ring having 6 to 40 carbon atoms, and has, with the first resin, a melt viscosity difference of 0.1 to 3,000 Pa*s at a shear rate of 100 to 1,000 s?1 and a processing temperature of the resin mixture, and a glass transition temperature (Tg) difference of 10° C. to 150° C. The resin blend allows a resin molding to have enhanced mechanical properties and surface features, and exhibits the effects of reducing a processing time, and reducing production costs by eliminating an additional surface coating step.Type: ApplicationFiled: October 14, 2011Publication date: December 12, 2013Applicant: LG CHEM, LTD.Inventors: Houng Sik Yoo, Jin Young Ryu, Hak Shin Kim, Eun Joo Choi, Young Jun Hong, Hyun Seok Yang
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Patent number: 8598446Abstract: A safety laminate comprises an interlayer that comprises a crosslinkable blend of ethylene copolymers. The first ethylene copolymer comprises copolymerized units of ethylene, optionally a first olefin having the formula CH2?C(R1)CO2R2, and a second olefin having the formula CH2?C(R3)COOH. The first ethylene copolymer is optionally at least partially neutralized. The second ethylene copolymer consists essentially of copolymerized units of ethylene, optionally a first olefin having the formula CH2?C(R1)CO2R2, and a third olefin having the formula CH2?C(R4)D. R1, R3 and R4 represent hydrogen or an alkyl group; R2 represents an alkyl group; and D represents a moiety containing an epoxy group. The crosslinkable blend is useful as an interlayer in safety laminates. Methods for preparing the safety laminates are also provided.Type: GrantFiled: July 29, 2011Date of Patent: December 3, 2013Assignee: E I du Pont de Nemours and CompanyInventors: George Wyatt Prejean, Sam Louis Samuels, Alison Margaret Anne Bennett
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Publication number: 20130295397Abstract: Provided are a resin blend for forming a layer-separated structure, a pellet, a method of preparing a resin article using the same and a resin article. The resin blend may include a first resin, and a second resin that comprises a resin to which at least one organic functional group selected from the group consisting of an alkyl group having 2 to 20 carbon atoms, an alicyclic group having 5 to 40 carbon atoms and an aromatic group having 6 to 40 carbon atoms is introduced, that has a difference in melt viscosity from the first resin of 0.1 to 3000 pa*s at a shear rate of 100 to 1000 s?1 and a processing temperature of the resin blend, and that has a difference in glass transition temperature from the first resin of 10° C. to 150° C. The resin blend can improve mechanical and surface characteristics of a resin article. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased.Type: ApplicationFiled: April 12, 2013Publication date: November 7, 2013Inventors: Houng Sik YOO, Jin Young RYU, Hak Shin KIM, Eun Joo CHOI, Young Jun HONG, Hyun Seok YANG
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Patent number: 8575274Abstract: The present invention relates to bone cements and, more particularly, to multi-solution bone cements and methods for making the same. An embodiment of the present invention provides multi-solution bone cements which include cross-linked PMMA beads, thereby providing for a significant increase in the polymer-to-monomer (P:M) ratio. Another embodiment of the present invention provides cross-linked PMMA beads which are surface modified with unsaturated carbon double bonds. A further embodiment of the present invention provides multi-solution bone cements made with PMMA-PMMA spherical brush polymers.Type: GrantFiled: July 17, 2007Date of Patent: November 5, 2013Assignee: Syracuse UniversityInventors: Julie M. Hasenwinkel, Imad K. Merkhan, Jeremy L. Gilbert
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Patent number: 8568624Abstract: 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: GrantFiled: February 18, 2010Date of Patent: October 29, 2013Assignee: LG Chem, Ltd.Inventors: Su-Kyung Kim, Byoung-Il Kang, Dae-Woo Lee, Byoung-Kue Chun, Chang-Hun Han, Da-Eun Sung
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Publication number: 20130281629Abstract: The invention relates to an impact modified thermoplastic resin comprising a polymeric impact modifier with a core-shell structure comprising 2-octylacrylate.Type: ApplicationFiled: September 20, 2011Publication date: October 24, 2013Applicant: Arkema FranceInventors: Rosangela Pirri, Stephane Girois, Pascale Dargelos, Magali Bergeret-Richaud
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Publication number: 20130215362Abstract: Methods of evaluating birefringence of an adhesive agent, and of designing and producing an adhesive agent using the evaluation method, as well as adhesive agents produced using these methods. A polarizing plate and a liquid crystal display device using the obtained adhesive agent are proposed, as well as methods for producing the same.Type: ApplicationFiled: November 9, 2012Publication date: August 22, 2013Inventors: Yasuhiro Koike, Akihiro Tagaya, Sumihisa Oda, Takeshi Nagakura
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Publication number: 20130213249Abstract: A flexographic printing plate precursor for laser engraving that comprises a relief-forming layer formed from a resin composition for laser engraving, wherein the flexographic printing plate precursor for laser engraving has matting agent particles at the surface of the relief-forming layer, and the matting agent particles comprise a water-soluble resin and have a number average particle size of 2 ?m to 40 ?m.Type: ApplicationFiled: February 14, 2013Publication date: August 22, 2013Applicant: FUJIFILM CORPORATIONInventor: FUJIFILM CORPORATION
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Patent number: 8513356Abstract: A diblock copolymer blend containing a unique combination of an ordered poly(styrene)-b-poly(methyl methacrylate) diblock copolymer and a disordered poly(styrene)-b-poly(methyl methacrylate) diblock copolymer is provided. Also provided are substrates treated with the diblock copolymer blend.Type: GrantFiled: February 10, 2012Date of Patent: August 20, 2013Assignee: Dow Global Technologies LLCInventors: Rahul Sharma, Valeriy V. Ginzburg, Phillip D. Hustad, Jeffrey D. Weinhold
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Publication number: 20130197156Abstract: A block-copolymer containing at least two different blocks wherein block A contains (meth)acrylate monomers the copolymer having a glass transition temperature of less than 15° C., block B contains (meth)acrylate monomers the copolymer having a glass transition temperature of more than 25° C. being free of thio-containing substances in the polymer chain, characterized in that one block contains at least one photoinitiator chemically bound to the chain.Type: ApplicationFiled: March 12, 2013Publication date: August 1, 2013Applicants: Evonik Rohm GmbH, Henkel AG & Co. KGaAInventors: Henkel AG & Co. KGaA, Evonik Rohm GmbH
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Publication number: 20130156969Abstract: Provided are a resin blend for melt processing, a pellet and a method of preparing a resin article using the same. The resin blend may include a first resin, and a second resin having a difference in solubility parameter from the first resin at 25° C. of 0.001 to 10 (J/cm3)1/2. The resin blend can improve mechanical and surface characteristics of a resin article. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased.Type: ApplicationFiled: November 28, 2012Publication date: June 20, 2013Applicant: LG CHEM, LTD.Inventor: LG CHEM, LTD.
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Patent number: 8445597Abstract: A pressure-sensitive adhesive composition for PDP front filters includes 100 parts by weight of a high molecular weight acrylic polymer A having a COOH or OH group, a weight average molecular weight (Mw) of 400,000 to less than 800,000, a molecular weight distribution (Mw/Mn) of not more than 5 and a glass transition temperature (Tg-A) of ?40 to ?10° C., and 5 to 20 parts by weight of a low molecular weight acrylic polymer B having a weight average molecular weight (Mw) of 10,000 to 50,000, a molecular weight distribution (Mw/Mn) of not more than 5 and a glass transition temperature (Tg-B) of 40 to 120° C.; and is crosslinked to a gel fraction of 50 to 90% and has a 90° peel strength of 5 to 15 N/25 mm. The pressure-sensitive adhesive composition does not cause bonding failures such as lifting even when exposed to thermal cycles.Type: GrantFiled: June 14, 2007Date of Patent: May 21, 2013Assignee: Soken Chemical & Engineering Co., Ltd.Inventor: Koji Tomita
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Patent number: 8440766Abstract: The present invention describes a method for the manufacturing of a multi-stage polymer by the following steps: a) polymerizing monomer mixture (A) comprising a-i) vinyl acetate and a-ii) at least one vinyl ester of an aromatic carboxylic acid via free radical emulsion polymerization to obtain copolymer (A); and b) polymerizing monomer mixture (B) comprising b-i) vinyl acetate and b-ii) at least one vinyl ester of aliphatic branched or unbranched carboxylic acids having at least 3 carbon atoms, via free radical emulsion polymerization in the presence of copolymer (A) to obtain the multi-stage polymer with the proviso that said monomer mixture (B) can also be polymerized first to obtain a copolymer (B) and subsequently monomer mixture (A) is polymerized in the presence copolymer (B) to obtain the multi-stage polymer.Type: GrantFiled: July 28, 2010Date of Patent: May 14, 2013Assignee: Celanese Emulsions GmbHInventors: Lizandra Belmonte Rodrígues de Castro, Kerstin Gohr