Oxygen Compound Contains A Peroxy Group (-o-o-) Patents (Class 525/387)
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Patent number: 8389638Abstract: The present invention relates to a novel multi functional additive grafted rubber. More particularly the present invention relates to novel grades of rubber and in particular to chemically grafted with cardanol (meta-penta decenyl phenol) and/or its derivatives. Importantly the rubber grades of the invention involve chemically anchored/grafted selective meta alkenyl phenol and/or its derivatives in the backbone of natural or synthetic rubber. Importantly, such rubber variant of the invention have high plasticity, lower Mooney and melt viscosities, better cure properties as compared to conventional virgin natural rubber or natural rubber plasticized with aromatic process oils.Type: GrantFiled: November 22, 2005Date of Patent: March 5, 2013Assignee: Council of Scientific and Industrial ResearchInventors: Golok Bihari Nando, Tiruchanur Vikram
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Patent number: 8383731Abstract: An adhesive blend is described that can include a semi-crystalline copolymer of propylene and at least one comonomer selected from the group consisting of ethylene and at least one C4 to C20 ?-olefin, the copolymer having a weight average molecular weight (Mw) from about 15,000 to about 200,000; an melt index (MI) from about 7 dg/min to about 3000 dg/min as measured by ASTM D 1238 (B), and a (Mw/Mn) of approximately 2. Various production processes are also described. Also described are adhesive compositions and methods for making adhesive compositions having polymers or polymer blends with melt flow rates (MFRS) equal to and above 250 dg/min. at 230°C. Certain specific embodiments of the invention involve the use of a free radical initiator, e.g., a peroxide.Type: GrantFiled: February 24, 2009Date of Patent: February 26, 2013Assignee: Exxonmobil Chemical Patents Inc.Inventors: Kenneth Lewtas, Sudhin Datta, Charles Cozewith, Bruce A. Harrington, David J. Lohse, Olivier J. F. Georjon, Anthony G. Karandinos, Keith A. Nelson, Jean M. Tancrede
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Patent number: 8366960Abstract: The invention pertains to a peroxide composition comprising, based on the total weight of the composition: a) 10-90 wt % of an organic peroxide; b) 90-10 wt % of an organic solvent in which the organic peroxide does not dissolve; and c) optionally additives; wherein the water content is less than 20 wt %.Type: GrantFiled: April 10, 2008Date of Patent: February 5, 2013Assignee: Akzo Nobel N.V.Inventors: Johannes Martinus Gerardus Maria Reijnders, Frederik Willem Karel Koers
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Patent number: 8350147Abstract: The present invention provides a process for producing an encapsulating material for solar cell which makes high-speed crosslinking possible and causes no blister phenomenon without significant restrictions being imposed on the conditions for molding the encapsulating material. The present invention provides a process for producing the encapsulating material for solar cell including impregnating a molded form of an ethylene copolymer with an organic peroxide in a liquid state at normal temperature which shows a decomposition temperature (a temperature at which the half-life period is one hour) of not higher than 150° C. A process for producing the encapsulating material for solar cell in which dialkyl peroxide (A) and an organic peroxide (B) selected from peroxycarbonate and peroxyketal at a ratio by weight of 10/90 to 90/10 of (A) and (B) in a liquid state impregnate the molded form of the ethylene copolymer is a preferable embodiment of the present invention.Type: GrantFiled: February 10, 2006Date of Patent: January 8, 2013Assignee: Du Pont-Mitsui Polychemicals Co., Ltd.Inventors: Koichi Nishijima, Manabu Kawamoto, Rie Sato, Tetsuya Nakamura
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Patent number: 8349967Abstract: The present invention provides a sealing film for a solar cell having the improved heat resistance and light resistance and a solar cell made by using the same. A sealing film for a solar cell including ethylene/vinyl acetate copolymer and an organic peroxide, which includes a specific peroxycarbonate as the organic peroxide, and which includes a dihydroxydimethoxybenzophenone ultraviolet absorber without substantially including a hindered amine light stabilizer to prevent yellowing. A sealing film for a solar cell including ethylene/vinyl acetate copolymer and an organic peroxide, which includes a specific dialkylperoxide as the organic peroxide, and which includes dihydroxydimethoxybenzophenone ultraviolet absorber without substantially including monohydroxyalkoxybenzophenone ultraviolet absorber to prevent yellowing.Type: GrantFiled: December 22, 2006Date of Patent: January 8, 2013Assignee: Bridgestone CorporationInventor: Hisataka Kataoka
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Patent number: 8349965Abstract: A fluororubber composition according to the present invention contains 0.1 to 3 parts by weight of a polyol compound, 0.1 to 4 parts by weight of a peroxide crosslinking agent, and 1 to 9 parts by weight of a co-crosslinking agent per 100 parts by weight of a peroxide-crosslinkable fluoropolymer. A crack-resistant seal according to the present invention contains a crosslinked fluoropolymer and a polyol compound. The crack-resistant seal according to the present invention can be formed by crosslinking the fluororubber composition, and the resultant crack-resistant seal has particularly high crack resistance. With the fluororubber composition according to the present invention, a durable crack-resistant seal having high plasma resistance, crack resistance, and compression set and that produces few particles can be formed at low cost.Type: GrantFiled: March 12, 2009Date of Patent: January 8, 2013Assignee: Nippon Valqua Industries, Ltd.Inventors: Masanori Okazaki, Naoki Ohsumi
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Publication number: 20130000947Abstract: A polymer composition with improved DC electrical properties and a cable surrounded by at least one layer comprising the polymer composition are provided.Type: ApplicationFiled: November 3, 2010Publication date: January 3, 2013Applicant: BOREALIS AGInventors: Annika Smedberg, Birgitta Kallstrand, Ulf Nilsson, Per-Ola Hagstrand, Villgot Englund, Gustavo Dominguez, Carl-Olof Olsson, Liu Rongsheng, Marc Jeroense
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Patent number: 8338520Abstract: A fluororubber composition which (1) is clean, (2) achieves a higher specific gravity, (3) achieves a better physical property in terms of breaking elongation, (4) is free of halogen substance (chlorine), and (5) provides a rubber surface which is non-tacky to metal(s); and a method for producing a crosslinked fluororubber product. The fluororubber composition includes a peroxide-crosslinkable fluororubber comprising a terfluoropolymer; barium sulfate; a peroxide crosslinking agent; and a salt having BF4? as a counter ion; wherein the barium sulfate is included in an amount of 50 to 180 parts by weight based on 100 parts by weight of the fluoropolymer; and wherein the salt having BF4? as a counter ion is included in an amount of 0.7 to 1.5 parts by weight based on 100 parts by weight of the fluoropolymer.Type: GrantFiled: August 24, 2009Date of Patent: December 25, 2012Assignee: NOK CorporationInventors: Takayuki Kashihara, Muneyuki Watanabe
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Publication number: 20120309908Abstract: The present invention relates to a process for the production of fibres and filaments with polypropylene having a broad polydispersity index. The present invention also relates to high elongation nonwoven prepared from such fibres and filaments. It further relates to films and laminates prepared from high elongation nonwoven.Type: ApplicationFiled: August 15, 2012Publication date: December 6, 2012Applicant: TOTAL PETROCHEMICALS RESEARCH FELUYInventors: Hugues Haubruge, Guillaume Pavy, Alain Standaert
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Patent number: 8304024Abstract: Compositions for bonding galvanized surfaces are disclosed. The compositions include either (i) a first part that includes at least one (meth)acrylate component in combination with a free radical inhibitor component and a phosphate ester component and a second part that includes at least one accelerator component or (ii) a first part that includes at least one (methyl)acrylate component in combination with an accelerator and a phosphate ester component and a second part that includes a carrier component and a free radical initiator component. Methods for preparing and methods for using these compositions also are disclosed, as are processes for inhibiting corrosion on galvanized surfaces.Type: GrantFiled: May 8, 2006Date of Patent: November 6, 2012Assignee: Henkel CorporationInventors: Bo Xia, James Murray, Doug Frost, Charles Schuft
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Publication number: 20120245302Abstract: Disclosed is a method for producing a modified propylene polymer excellent in the balance between melt tension and flowability, the method involving a heat treatment step of subjecting a mixture comprising 100 parts by weight of a propylene polymer (A) and from 0.01 to 20 parts by weight of an organic peroxide (B) whose decomposition temperature at which the half-life thereof becomes 1 minute is lower than 120° C. to heat treatment by using an extruder at a temperature lower than the decomposition temperature of the organic peroxide (B) at which the half-life thereof becomes 1 minute.Type: ApplicationFiled: March 21, 2012Publication date: September 27, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Hiroyoshi NAKAJIMA, Mitsuyoshi SHIMANO
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Patent number: 8252869Abstract: The present invention relates to a crosslinked poly(meth)acrylic acid nitroxide compound resulting from crosslinking of a poly(meth)acrylic acid nitroxide compound, and an object of the present invention is to provide a method of inexpensively and easily producing a crosslinked poly(meth)acrylic acid nitroxide compound having a high radical concentration. The present invention is a method of producing a crosslinked poly(meth)acrylic acid nitroxide compound including a repeating unit represented by the general formula (2): (in the formula, R represents a hydrogen atom or a methyl group), comprising a nitroxidation step carried out in a state that a crosslinked poly(meth)acrylic acid imino compound resulting from crosslinking of a poly(meth)acrylic acid imino compound including a repeating unit represented by the general formula (1): (in the formula, R represents the same group as that represented by R in said general formula (2)) is dispersed in water.Type: GrantFiled: June 29, 2006Date of Patent: August 28, 2012Assignee: Sumitomo Seika Chemicals Co., Ltd.Inventors: Nobutaka Fujimoto, Koji Ueda, Masato Fujikake
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Publication number: 20120184685Abstract: A packaged peroxide formulation comprising a container and a liquid peroxide formulation, wherein said container has a volume of at least 50 litres and a vent area/volume ratio of at least 20·10?3 m2/m3, said liquid peroxide formulation satisfies the classification tests for organic peroxide type F, has a conductivity of at least 100 pS/m, is not an emulsion or suspension, and comprises (i) at least 33 wt % of an organic peroxide selected from the group consisting of diacyl peroxides, peroxyesters, peroxydicarbonates, peroxyketals, and monoperoxycarbonates, and (ii) optionally a phlegmatiser, the packaged peroxide formulation has a vent area that is at least equal to the minimum total vent area as determined by the 10 litre venting test.Type: ApplicationFiled: February 13, 2012Publication date: July 19, 2012Applicant: AKZO NOBEL N.V.Inventors: Albert Lucas KORVEMAKER, Frans Johannes HOOGESTEGER, Petrus Paulus WAANDERS
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Publication number: 20120171404Abstract: The invention relates to a polyethylene composition for the production of peroxide crosslinked polyethylene and a method for the production thereof. The invention further relates to the use of such a polymer composition and to a peroxide crosslinked polyethylene pipe made from the polyethylene composition.Type: ApplicationFiled: March 13, 2012Publication date: July 5, 2012Applicant: Borealis Technology OyInventor: Magnus PALMLÖF
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Patent number: 8211979Abstract: A multicomponent system is provided, composed of a thermoplastic component and of a rubber component, which comprises at least two different peroxidic crosslinking agents with specific decomposition temperatures, as also is a process for production of rubber-thermoplastic composite mouldings using the multicomponent system, and also the resultant rubber-thermoplastic composite mouldings.Type: GrantFiled: December 15, 2006Date of Patent: July 3, 2012Assignee: LANXESS Deutschland GmbHInventors: Dirk Achten, Stefanie Nickel, Maik Schulte, Michael Münker, Detlev Joachimi
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Patent number: 8207277Abstract: A method of modifying a tubular low density polyethylene (LDPE) is disclosed. In the method ethylene is polymerized with a free radical initiator in a high pressure reactor to form an LDPE. The LDPE is then reacted with a free radical initiator to produce a modified polyethylene. The modified polymer has an increased long chain branching index as indicated by the increase in the gel permeation chromatography branching index.Type: GrantFiled: September 23, 2008Date of Patent: June 26, 2012Assignee: Equistar Chemicals, LPInventors: Debra L. Beran, Mark P. Mack, Anil W. Saraf
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Publication number: 20120130023Abstract: Composite material comprising—one or more heat-activatable free-radical initiators selected from the group consisting of organic peroxides and/or initiators having labile carbon-carbon bonds and particles which have a core-shell structure and the core of which comprises one or more magnetic materials, while the shell comprises silicon dioxide.Type: ApplicationFiled: May 28, 2010Publication date: May 24, 2012Applicants: UNITED INITIATORS GMBH & CO. KG, EVONIK DEGUSSA GMBHInventors: Harald Herzog, Konrad Rockstein, Stipan Katusic, Martin Kunz, Iris Nagl, Hanno Wolf
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Patent number: 8183329Abstract: Compositions suitable for use as encapsulants are described. The inventive compositions include a high molecular weight polymeric material, a curing agent, an inorganic compound, and a coupling agent. Optional elements include adhesion promoting agents, colorants, antioxidants, and UV absorbers. The compositions have desirable diffusivity properties, making them suitable for use in devices in which a substantial blocking of moisture ingress is desired, such as photovoltaic (PV) modules.Type: GrantFiled: March 7, 2011Date of Patent: May 22, 2012Assignees: BRP Manufacturing Company, Alliance for Sustainable Energy, LLCInventors: Michael D Kempe, Prem Thapa
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Patent number: 8168714Abstract: A (per)fluoroelastomeric composition curable by peroxidic way comprising: 100 phr as (per)fluoroelastomer as filler, 0.5-50 phr of silica having a pH value, determined according to the DIN ISO 787-9 standard, higher than 7, preferably higher than 8, as crosslinking agent, from 0.5 to 10 phr of a bis-olefin having general formula: wherein: R1, R2, R3, R4, R5, R6, equal to or different from each other, are H or C1-C5 alkyls; Z is selected between a C1-C18 linear or branched alkylene or cycloalkylene radical, optionally containing oxygen atoms, preferably at least partially fluorinated, or a (per)fluoropolyoxyalkylene radical.Type: GrantFiled: June 28, 2007Date of Patent: May 1, 2012Assignee: Solvay Solexis, S.p.A.Inventors: Milena Stanga, Giovanni Comino, Margherita Albano
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Patent number: 8168112Abstract: Blown films and processes of forming the same are described herein. The processes generally include providing a bimodal ethylene based polymer, blending the bimodal ethylene based polymer with at least about 30 ppm peroxide to form modified polyethylene and forming the modified polyethylene into a blown film.Type: GrantFiled: December 20, 2008Date of Patent: May 1, 2012Assignee: Fina Technology, Inc.Inventors: Cyril Chevillard, Jay Nguyen
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Publication number: 20120088884Abstract: There is provided a comprising an amorphous peroxide curable fluoropolymer comprising an iodine, bromine or chlorine containing cure site, an organic peroxide with a 10-hour half life temperature below 90° C., and a coagent, where the amorphous fluoropolymer has a storage modulus at 25° C. and 0.1 rad/s of less than or equal to 300 kPa, and also where the fluropolymer 90% cure time as measured by sealed torsion shear rotorless curemeter in ASTM D5289-07 is less than 30 minutes at 110° C. There is also provided a fluoroelastomer preparable by curing such composition. There is further provided a cure in place process using such composition to create a cure in place article and cure in place articles from such process.Type: ApplicationFiled: June 9, 2010Publication date: April 12, 2012Inventors: Tatsuo Fukushi, Steven J. Wellner
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Publication number: 20120000514Abstract: A resin composition for a solar cell encapsulant is provided, containing an ethylene•?-olefin copolymer and an organic peroxide or a silane coupling agent or the like, and having superior heat resistance, transparency, flexibility and adhesion property to a glass substrate, as well as good balance between rigidity and cross-linking efficiency, as well as a solar cell encapsulant, and a solar cell module using the same. The resin composition has an ethylene•?-olefin copolymer (A), having the characteristics (a1) to (a4), along with characteristics (a5) or (a6), and an organic peroxide (B) and/or a silane coupling agent (C).Type: ApplicationFiled: March 31, 2010Publication date: January 5, 2012Applicant: Japan Polyethylene CorporationInventors: Takahiro Amamiya, Tamami Onaka
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Publication number: 20110294938Abstract: A peroxide curable perfluoroelastomer comprising: recurring units derived from tetrafluoroethylene (TFE); and recurring units derived from perfluoromethylvinylether (MVE); such perfluoroelastomer possessing a Mooney Viscosity (ML2+9) at 121° C. of from 25 to 140 MU, when measured according to ASTM D1646 standard, and comprising such MVE recurring units in an amount of from 26 to 33% by moles with respect to total moles of TFE and MVE. A process for the manufacture of such perfluoroelastomer, and cured articles obtainable therefrom.Type: ApplicationFiled: February 8, 2010Publication date: December 1, 2011Applicant: SOLVAY SOLEXIS S.P.A.Inventors: Milena Stanga, Claudia Manzoni, Margherita Albano
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Publication number: 20110268902Abstract: A multimodal ethylene polymer with a density of less than 950 kg/m3 obtained by polymerization with a single-site catalyst and having an MFR21 in the range of 2 to 15, a shear thinning index SHI2.7/210 of between 5 and 10.Type: ApplicationFiled: October 30, 2009Publication date: November 3, 2011Inventors: Anneli Pakkanen, Markku Vahteri, Magnus Palmlof, Jeroen Oderkerk
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Patent number: 8044147Abstract: A nitrile group-containing copolymer rubber comprising 10 to 40 wt % of ?,?-ethylenically unsaturated nitrile unit (a), 10 to 60 wt % of ?,?-ethylenically unsaturated carboxylic acid ester unit (b), and 20 to 70 wt % in total of conjugated diene unit (c) and saturated conjugated diene unit (d), wherein a content ratio “x” of a conjugated diene unit (c) based on the total content of said conjugated diene unit (c) and said saturated conjugated diene unit (d) is 0.08 or smaller, and “x·A” defined as a product of said ratio “x” and a content ratio “A” (%) of said ?,?-ethylenically unsaturated nitrile unit (a) is 1.5 or smaller. According to the present invention, a nitrile group-containing copolymer rubber capable to provide a rubber vulcanizate highly balanced in mechanical strength, heat aging resistance, oil resistance, cold resistance and ozone resistance, and a vulcanizable rubber composition using the rubber can be provided.Type: GrantFiled: February 22, 2006Date of Patent: October 25, 2011Assignee: Zeon CorporationInventors: Hiroyasu Nagamori, Akira Tsukada, Takafumi Kawanaka
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Patent number: 8044145Abstract: To provide a cross-linkable fluoroelastomer, a cross-linkable fluoroelastomer composition and a cross-linked rubber molded products thereof. A cross-linkable fluoroelastomer having a Mooney viscosity of from 20 to 300, obtainable by heat treating a mixture of a fluoroelastomer (A) and an organic peroxide (B) at a temperature of from 110 to 380° C. for from 10 seconds to 3 hours; a fluoroelastomer composition comprising the cross-linkable fluoroelastomer, a cross-linking agent (C) and a cross-linking assistant (D); and cross-linked rubber molded products thereof.Type: GrantFiled: April 26, 2007Date of Patent: October 25, 2011Assignee: Asahi Glass Company, LimitedInventors: Masahide Yodogawa, Masayuki Saito
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Patent number: 8030415Abstract: A moisture crosslinkable thermoplastic composition is produced by a process of grafting an unsaturated silane of the formula: G1R1SiZ where G1 is vinyl, R1 is methyl and Z is a divalent hydrolyzable group under reactive mechanical working conditions and in the presence of at least two peroxides and subsequently is converted into a crosslinked thermoplastic composition by exposure to moisture in the presence of a crosslinking catalyst.Type: GrantFiled: March 16, 2010Date of Patent: October 4, 2011Assignee: Momentive Performance Materials, Inc.Inventor: Eric R. Pohl
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Publication number: 20110237705Abstract: The invention relates to a system for preparing a polymerized bone cement, including two components reacting with each other when they are mixed to form a solid polymer material. The first component may include a biocompatible acrylic polymer and an initiator capable of initiating a polymerization reaction. The second component may include a monomer capable of dissolving an acrylic polymer, a polymerization activator and a polymerization inhibitor, system in which the second component also includes a biocompatible acrylic polymer dissolved in said monomer, identical or different from the polymer of the first component with an average molar mass greater than 1,000,000 g/mol and a residual initiator content of less than 0.1% to form a gel with determined viscosity. Another object of the invention is a composition designed to constitute the second component of as system used to prepare such cement.Type: ApplicationFiled: April 23, 2010Publication date: September 29, 2011Inventors: Alain LEONARD, Cyril Sender, Claudine Lavergne, Benoît Donazzon
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Patent number: 8022148Abstract: A polypropylene resin composition that has a melt flow rate of 1.5 (g/10 minutes) or more and is obtainable by melt-kneading 94 to 98 parts by weight of (A) a propylene copolymer that comprises a polymer portion being obtainable by polymerizing monomers containing propylene as the major component and having an intrinsic viscosity of 2.0 (dL/g) or more and a copolymer portion being obtainable by copolymerizing propylene and ethylene, 2 to 6 parts by weight of (B) an ethylene polymer having a density of 0.920 g/cm3 or more, and (C) an organic peroxide, provided that the total weight of the propylene copolymer (A) and the ethylene polymer (B).Type: GrantFiled: July 3, 2008Date of Patent: September 20, 2011Assignee: Sumitomo Chemical Company, LimitedInventor: Hiroshi Nozawa
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Publication number: 20110214899Abstract: Disclosed is an insulation resin composition resistant to thermal deformation comprising an ethylene copolymer base resin having crystallinity between 1% and 30%, not including 30%; and 0.5 to 20 parts by weight of an organic peroxide-based crosslinking agent per 100 parts by weight of the base resin, and a cable using the same. The insulation is resistant to thermal deformation that may occur after a crosslinking process under high temperature and high pressure subsequently to extrusion of a sheath.Type: ApplicationFiled: September 2, 2010Publication date: September 8, 2011Applicant: LS Cable Ltd.Inventors: Min-Su JUNG, Jin-Ho Nam, Ung Kim
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Patent number: 8013093Abstract: The present invention is directed generally to the use of propylene-based elastomers in articles. The propylene-based elastomers have isotactic polypropylene crystallinity, a melting point by DSC of 110° C. or less, a heat of fusion of from 5 to 50 J/g, and comprise at least 75 wt % propylene-derived units, at least 6 wt % ethylene-derived units, and optionally diene-derived units. The present invention is also directed to processes for making articles comprising propylene-based elastomers.Type: GrantFiled: November 12, 2004Date of Patent: September 6, 2011Assignee: ExxonMobil Chemical Patents Inc.Inventors: Sudhin Datta, Chia Yung Cheng, Srivatsan Srinivas, Abdelhadi Sahnoune
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Patent number: 8013070Abstract: Novel crosslinkable compositions are provided and are based on thermoplastic polymers and elastomers, these compositions comprising, as crosslinking system, specific organic salts of metal ions. Ionically crosslinked thermoplastic elastomers can be obtained therefrom and have excellent physical properties, high-temperature resistance extending above 150° C., and also oil resistance. They can be used for production of moldings.Type: GrantFiled: September 1, 2006Date of Patent: September 6, 2011Assignee: LANXESS Deutschland GmbHInventors: Dirk Achten, Claus Wrana, Kay Varnhorn, Stephen Pask, Carsten Fischer
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PRESSURE-SENSITIVE ADHESIVE COMPOSITIONS, POLARIZERS AND LIQUID CRYSTAL DISPLAYS COMPRISING THE SAME
Publication number: 20110205469Abstract: The present invention relates to a pressure-sensitive adhesive composition including interpenetrating polymer networks in a cured state, wherein the composition comprise a multi-functional acrylate and a thermal initiator; a polarizer; and a liquid crystal display comprising the same. In the present invention, the pressure-sensitive adhesive composition may be provided, which can outstandingly prevent light leakage phenomenon, with having excellent physical properties such as endurance reliability under high temperature and/or high humidity conditions and workability. Especially, according to the present invention, the pressure-sensitive adhesive composition, polarizer and liquid crystal display are provided, which can outstandingly prevent light leakage phenomenon even in large-sized display devices.Type: ApplicationFiled: January 5, 2009Publication date: August 25, 2011Applicant: LG CHEM, LTDInventors: Jeong Min Ha, No Ma Kim, In Ho Hwang -
Publication number: 20110160323Abstract: The invention provides a composition comprising an ethylene/?-olefin/non-conjugated diene interpolymer, which has the following properties: an Mz(abs)/Mz(Conv) value greater than 1.35; an Mz(BB)/Mw(abs) value greater than 1.6; and a non-conjugated diene content less than 10 weight percent, based on the total weight of the interpolymer. The invention also provides a process for forming a crosslinked composition, said process comprising: (a) forming a polymeric admixture comprising at least the following: (A) an ethylene/?-olefin/non-conjugated diene copolymer rubber (B) which has the following properties: an Mz(abs)/Mz(Conv) value less than 1.3; an Mz(BB)/Mw(abs) value greater than 1.6, but less than 2.5; and an Mw(abs) value less than 350,000 g/mole; and (B) a coupling amount of (i) at least one poly(sulfonyl azide) or (ii) at least one peroxide; and (b) heating the resulting admixture to a temperature at least the decomposition temperature of the crosslinking agent.Type: ApplicationFiled: September 16, 2009Publication date: June 30, 2011Applicant: Dow Global Technologies LLCInventors: Wenbin Liang, Brian W. Walther, Gary Marchand
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Patent number: 7968653Abstract: The present invention concerns the use of RO. radicals, R being a hydrogen, an alkyl group having 2 to 15 carbons, an acyl group —COR? in which R? represents an alkyl group having 2 to 15 carbons, or an aroyl group —COAr in which Ar represents an aromatic group having 6 to 15 carbons, for the hydroxylation, alkoxylation or oxycarbonylation of polymer surfaces, the said polymers being different from polymers chosen from: polymethylmethacrylate (PMMA) and fluorocarbon polymers when R represents a hydrogen, or of polymer mixture surfaces, notably hydrophobic ones, the said polymers consisting in monomeric units of which at least 50% among these are aliphatic units, and the said RO. radicals being generated by electrochemical or photochemical means.Type: GrantFiled: October 10, 2006Date of Patent: June 28, 2011Assignee: AlchimerInventors: Christophe Bureau, Jean Pinson
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Patent number: 7956099Abstract: Described is the use of RO• radicals, R being a hydrogen, an alkyl group having 2 to 15 carbons, an acyl group —COR? in which R? represents an alkyl group having 2 to 15 carbons, or an aroyl group —COAr in which Ar represents an aromatic group having 6 to 15 carbons, for the hydroxylation, alkoxylation or oxycarbonylation of polymer or polymer mixture surfaces, the said polymers consisting in monomeric units of which at least 50% among these are aromatic units and the said RO• radicals being generated by electrochemical or photochemical methods.Type: GrantFiled: October 10, 2006Date of Patent: June 7, 2011Assignee: AlchimerInventors: Christophe Bureau, Jean Pinson
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Publication number: 20110123799Abstract: A pressure-sensitive adhesive composition for an optical film of the present invention includes a (meth)acrylic polymer(A) that comprises, as monomer units, 67 to 96.99% by weight of alkyl (meth)acrylate(a1), 1 to 20% by weight of benzyl (meth)acrylate(a2), 2 to 10% by weight of a carboxyl group-containing monomer(a3) and 0.01 to 3% by weight of a hydroxyl group-containing monomer(a4), has a weight average molecular weight(Mw) of 1,600,000 or more, and satisfy a weight average molecular weight(Mw)/number average molecular weight(Mn) ratio of 1.8 to 10. The pressure-sensitive adhesive composition can satisfy durability that does not cause peeling, separation at the state in which the optical film was attached, and can form a pressure-sensitive adhesive layer capable of improving display non-uniformity caused by a white display leakage at a peripheral portion.Type: ApplicationFiled: November 10, 2010Publication date: May 26, 2011Applicant: NITTO DENKO CORPORATIONInventors: Atsushi Yasui, Yuusuke Toyama, Mizue Nagata, Tomoyuki Kimura, Masayuki Satake
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Publication number: 20110118421Abstract: Packaged formulation comprising a compound liable to exothermic decomposition and optionally one or more organic diluents, said formulation being packaged in a container with a volume of at least 250 litre provided with a vent to release gases and made from a thermoplastic material having a Vicat B softening temperature not higher than (a) the run-away temperature of the compound liable to exothermic decomposition if the formulation does not contain any diluent, or (b) the boiling temperature of at least 50 wt % of the total weight of diluent if the formulation does contain organic diluent.Type: ApplicationFiled: July 3, 2009Publication date: May 19, 2011Inventors: Petrus Paulus Waanders, Johannes Harmannus Gerardus Lok
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Patent number: 7939607Abstract: Ethylene vinyl acetate compositions that have been partially crosslinked using organic peroxides are disclosed, as well as methods for their production. The crosslinked compositions have low melt index values and increased tensile strength, leading to flexibility and heat resistant properties.Type: GrantFiled: January 18, 2007Date of Patent: May 10, 2011Assignee: ExxonMobil Chemical Patents Inc.Inventors: Gerd A. Allermann, Hitesh A. Fruitwala
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Publication number: 20110097542Abstract: A compensation element for leveling an add-on part (12) relative to a constructional component (13) has a base body (22) in which a curable material is embedded in a dispersed manner and is activated under pressure for changing a deformable condition of the base body (22; 32) to a rigid condition.Type: ApplicationFiled: October 18, 2010Publication date: April 28, 2011Inventor: Armin Pfeil
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Patent number: 7923515Abstract: A dip-formed article that has wearing comfort, excelling in not only tensile strength but also flexing fatigue and that itself does not tend to suffer coloration even when the article is worn and operation is continued; and a dip-forming composition capable of providing such a dip-formed article. There is provided a dip-forming composition comprising a conjugated diene rubber latex and an organic peroxide, wherein providing that X refers to the 10-hr half-life temperature (° C.) of organic peroxide and Y refers to the octanol-water partition coefficient of organic peroxide, the organic peroxide satisfies the formulae: 11?Y?2 (1), and 100?2Y?X?70?2Y (2). There is further provided a dip-formed article obtained from the composition.Type: GrantFiled: November 18, 2004Date of Patent: April 12, 2011Assignee: Zeon CorporationInventors: Kazumi Kodama, Kenji Arai, Tomomi Onitake, Hisanori Ota
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Patent number: 7910671Abstract: Linear perfluoropolyethers of formula: T-O(CF2O)n(CF2CF2O)m(CF2CF2CF2O)r(CF2CF2CF2CF2O)s-T1??(I) wherein n, m, r, s are integers such that the polymer number average molecular weight is comprised between 700 and 100,000 and the n/(n+m+r+s) ratio ranges from 0.05 to 0.40, and respective preparation process by addition of a peroxidic perfluoropolyether of formula (III): T4-O(CF2O)n?(CF2CF2O)m?(O)h-T5??(III) having a PO from 1.8 to 4, to a perfluoropolyether oil preheated at a temperature comprised between 150° C. and 250° C. and subsequent exhaustive fluorination of the obtained compound.Type: GrantFiled: January 3, 2007Date of Patent: March 22, 2011Assignee: Solvay Solexis S.p.A.Inventors: Pier Antonio Guarda, Giuseppe Marchionni
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Patent number: 7906575Abstract: The invention provides a molded and crosslinked rubber material for golf balls which is obtained by molding and crosslinking a rubber composition containing rubber and rubber compounding ingredients, including a base rubber, a filler and an organic peroxide, into a spherical body of one or more layers. A monomer is impregnated into the molded and crosslinked rubber material, and one or both of the following chemical reactions is induced: (i) chemical reaction of the monomer with the rubber and/or a rubber compounding ingredient, (ii) chemical reaction of the monomer itself. The depth of impregnation by the monomer from a surface of the molded and crosslinked rubber material to the interior thereof is at least 0.3 mm. The invention also provides a method for manufacturing such a molded and crosslinked rubber material for golf balls.Type: GrantFiled: July 6, 2006Date of Patent: March 15, 2011Assignee: Bridgestone Sports Co., Ltd.Inventors: Atsushi Nanba, Jun Shindo
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Patent number: 7906573Abstract: Chemically crosslinked polycyclooctene having excellent shape recovery properties is prepared by ring-opening metathesis polymerization of cis-cyclooctene followed by chemical crosslinking. The crosslinked polycyclooctene can be shaped, the shape memorized, a new shape imparted with the original shape being recoverable by suitable temperature adjustment. The dependence of shape memory characteristics on degree of crosslinking was established. In addition to polycyclooctene, blends thereof with other materials such as SBR, EVA, polyurethane rubbers, and inorganic fillers can be utilized to provide chemically crosslinked products having excellent and tailored shape memory properties.Type: GrantFiled: March 5, 2010Date of Patent: March 15, 2011Assignees: University of Connecticut, University of MassachusettsInventors: Patrick T. Mather, Changdeng Liu, Seung B. Chun, E. Bryan Coughlin
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Patent number: 7902301Abstract: Compositions suitable for use as encapsulants are described. The inventive compositions include a high molecular weight polymeric material, a curing agent, an inorganic compound, and a coupling agent. Optional elements include adhesion promoting agents, colorants, antioxidants, and UV absorbers. The compositions have desirable diffusivity properties, making them suitable for use in devices in which a substantial blocking of moisture ingress is desired, such as photovoltaic (PV) modules.Type: GrantFiled: June 2, 2008Date of Patent: March 8, 2011Assignees: BRP Manufacturing Company, Alliance For Sustainable Energy, LLCInventors: Michael D Kempe, Prem Thapa
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Patent number: 7902300Abstract: This invention relates to the use of a cyclic ketone peroxide of half-life time larger than one second at a temperature of 225° C., for producing a controlled rheology polypropylene heterophasic copolymer of melt index MI2 larger than 15 g/10 min, having simultaneously a very high impact resistance and a high flexural modulus.Type: GrantFiled: March 3, 2009Date of Patent: March 8, 2011Assignee: Total Petrochemicals Research FeluyInventors: Philippe VanDeurzen, Lisa K. Albe, William Wheat, Michel Daumerie
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Publication number: 20110054123Abstract: A method comprising contacting a grafting polymerization initiator with a composition comprising a vinylaromatic monomer and an elastomer under conditions suitable for the formation of a polymeric composition and forming the polymeric composition into an article wherein the article has an Izod impact strength of greater than 2.0 ft. lb./in. A method comprising contacting a grafting polymerization initiator with a vinylaromatic monomer and an elastomer under conditions suitable for the formation of a polymeric composition, wherein the grafting polymerization initiator comprises a peroxyketal.Type: ApplicationFiled: August 26, 2009Publication date: March 3, 2011Applicant: FINA TECHNOLOGY, INC.Inventors: Olga Khabashesku, Billy J. Ellis
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Patent number: 7893167Abstract: The object of the present invention is to provide a sealing film having excellent productivity, and improved light resistance and heat resistance, and a solar cell provided with the sealing film. A sealing film for a solar cell comprising ethylene-vinyl acetate copolymer and an organic peroxide, wherein the organic peroxide comprises an organic peroxide A having a 10 hour half-life in the range of 110 to 130° C. in and an organic peroxide B having a 10 hour half-life in the range of 80 to 100° C.; and a solar cell having the sealing film.Type: GrantFiled: April 5, 2007Date of Patent: February 22, 2011Assignee: Bridgestone CorporationInventors: Hisataka Kataoka, Ichiro Aoki
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Publication number: 20110034639Abstract: [Object] To provide a fluororubber-based sealing material which is excellent in sealing properties under high/low temperature load and is capable of sealing at a temperature of not higher than ?40° C. even when gas oil (diesel fuel) is used. [Means for Solving] A fluororubber-based sealing material obtained by crosslinking a composition for a fluororubber-based sealing material, said composition comprising 100 parts by weight of a fluorine-containing copolymer which contains 64 to 69% by weight of fluorine, has a crosslinking site derived from a bromine-containing compound and/or an iodine-containing compound and is capable of being crosslinked by a peroxide, 0.Type: ApplicationFiled: April 7, 2009Publication date: February 10, 2011Inventor: Hiroyuki Sano
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Publication number: 20110003942Abstract: A process for producing a modified olefin polymer includes the steps of: (1) blending 100 parts by weight of an olefin polymer, 0.01 to 20 parts by weight of a polar group-carrying unsaturated compound, and 0.001 to 20 parts by weight of an organic peroxide, with one another, in a continuous extruder at a temperature T1 for a time S1, thereby forming a first blend; (2) blending the first blend in the continuous extruder at a temperature T2 for a time S2, thereby forming a second blend; and (3) blending the second blend in the continuous extruder at a temperature T3 for a time S3. T1, T2 and T3 have specific relationships to decomposition temperatures of the organic peroxide, and S1, S2 and S3 have specific relationships to half-lives of the organic peroxide.Type: ApplicationFiled: February 19, 2009Publication date: January 6, 2011Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Hitoshi Tsukui, Tsuyoshi Takei