Mixing With Carbon, E.g., Graphite, Etc., Having Numerical Limitations, Other Than Amount, E.g., Included Herein Are Particle Size, Surface Area, Etc., Or Composition Or Product Thereof, Dnrm Patents (Class 524/495)
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Publication number: 20140024764Abstract: A process is provided for manufacturing articles though injection moulding of thermoplastic material and fibres. The fibres include glass fibres and are present in the moulded article in a quantity of 25% to 50%, by mass. More than 70% of the fibres have a length exceeding 5 mm in the moulded article. The thermoplastic material has a Notched Izod Impact Strength, after being combined with said fibres, greater than 250 J/m at 23 degrees Celsius.Type: ApplicationFiled: September 8, 2011Publication date: January 23, 2014Inventor: Ansie Du Toit
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Patent number: 8633272Abstract: The present invention relates to a rubber composition containing carbon black for blending with rubber which is obtained in a reaction equipment comprising a combustion gas-generating zone, a reaction zone and a reaction-stopping zone by producing a high temperature combustion gas in the combustion gas-generating zone, subsequently spraying and introducing a raw material into the reaction zone to form a reaction gas stream containing carbon black and then quenching the above reaction gas stream by a multistage quenching medium-introducing means to terminate the reaction, wherein (1) the above carbon black for blending with rubber satisfies the following relational equations (1) and (2): 10<X<40??(1) 90<Z<100??(2) (wherein X represents a toluene extract light transmittance (%) of the carbon black after introducing a first quenching medium from a raw material-introducing position, and Z represents a toluene extract light transmittance (%) of the carbon black after introducing a final quenching meType: GrantFiled: September 30, 2009Date of Patent: January 21, 2014Assignee: Bridgestone CorporationInventor: Yasushi Yamagishi
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Publication number: 20140018491Abstract: Disclosed herein are fiber reinforced thermoplastic composite with desired physical properties, such as high strength, high impact and high flow while maintaining the OSU heat release compliancy.Type: ApplicationFiled: July 10, 2012Publication date: January 16, 2014Inventor: Mohammad Moniruzzaman
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Publication number: 20140011940Abstract: Provided is a rubber composition for tire treads that is capable of producing tire treads for which abrasion resistance, rolling resistance, factory workability, and chipping resistance have been simultaneously improved, and a pneumatic tire manufactured using the same. The rubber composition according to the present invention includes 20 parts by mass to 100 parts by mass of carbon black combined with 100 parts by mass of a rubber component. The carbon black has a CTAB surface area of 60 m2/g to 105 m2/g, a 24M4DBP oil absorption of 70 cm3/100 g to 105 cm3/100 g, a N2SA/IA of 0.95 or less, and satisfies Expression (1). TINT (%)+0.4×24M4DBP oil absorption (cm3/100 g)?0.Type: ApplicationFiled: March 2, 2012Publication date: January 9, 2014Applicant: BRIDGESTONE CORPORATIONInventor: Hidetada Fujisawa
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Patent number: 8623938Abstract: An inkjet ink includes carbon nanotubes, flake graphites, an organic carrier, a binder, a surfactant, a film enhancer and a solvent. A method for making an inkjet ink includes dispersing the plurality of carbon nanotubes in the surfactant solvent to form a first mixture, dispersing the plurality of flake graphites in the organic carrier solvent to form a second mixture, adding the film enhancer into the second mixture to form a third mixture, and mixing the first mixture and the third mixture.Type: GrantFiled: September 2, 2011Date of Patent: January 7, 2014Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Hai-Yan Hao, Bing-Chu Du, Chun-Hai Zhang, Shou-Shan Fan
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Publication number: 20140005321Abstract: The present invention provides a copolymer of a conjugated diene compound and a non-conjugated olefin that is used for manufacturing rubber excellent in low heat generation properties, heat resistance, ozone resistance (weather resistance), a rubber composition containing the copolymer, a crosslinked rubber composition obtained by crosslinking the rubber composition, and a tire manufactured by using the rubber composition or the crosslinked rubber composition. In the copolymer of a conjugated diene compound and a non-conjugated olefin, the content of 1,2 adduct units (including 3,4 adduct units) of a unit derived from the conjugated diene compound is 5% or less.Type: ApplicationFiled: February 2, 2012Publication date: January 2, 2014Applicant: BRIDGESTONE CORPORATIONInventors: Yasuo Horikawa, Shojiro Kaita, Olivier Tardif, Junko Matsushita
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Patent number: 8618207Abstract: A flame retardant polymer composition comprising (A) an ethylene copolymer comprising polar comonomer units, (B) a silicone-group containing compound, (C) an inorganic filler material, and (D) an ethylene homopolymer or a copolymer of ethylene with one or more other alpha-olefin comonomer units, wherein the polymer composition has a melting enthalpy of at least 78 J/g, an article, in particular a wire or cable, comprising said composition and the use of an ethylene homo- or copolymer in a flame retardant layer of a wire or cable for improving the mechanical properties of the wire or cable.Type: GrantFiled: November 26, 2009Date of Patent: December 31, 2013Assignee: Borealis AGInventors: Bernt-Ake Sultan, Wendy Loyens
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Patent number: 8617701Abstract: A fluororesin film usable as the outermost layer of a back sheet for a solar cell module, which is a dark type fluororesin film having a sufficient electric insulation property and weather resistance, and which is particularly excellent in thermal resistance; and a back sheet for a solar cell module employing such a film, which dark type fluororesin film, which is a fluororesin film contains an ethylene-tetrafluoroethylene copolymer as the main component and contains from 1.0 to 4.5 parts by mass of a carbon black having a pH of from 8 to 10 as measured according to JIS K6221 section 6.4.2 based on 100 parts by mass of the ethylene-tetrafluoroethylene copolymer.Type: GrantFiled: March 23, 2011Date of Patent: December 31, 2013Assignee: Asahi Glass Company, LimitedInventor: Hiroshi Aruga
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Patent number: 8617427Abstract: Electrically conductive polymeric compositions adapted for use in forming electronic devices are disclosed. The compositions are thermally curable at temperatures less than about 250° C. Compositions are provided which may be solvent-free and so can be used in processing or manufacturing operations without solvent recovery concerns. The compositions utilize (i) fatty acid modified epoxy acrylate and/or methacrylate monomer(s) and/or oligomer(s), (ii) fatty acid modified polyester acrylate and/or methacrylate monomer(s) and/or oligomer(s), or combinations of (i) and (ii). Also described are electronic assemblies such as solar cells using the various compositions and related methods.Type: GrantFiled: October 22, 2009Date of Patent: December 31, 2013Assignee: Heraeus Precious Metals North America Conshohocken LLCInventors: Hong Jiang, Aziz S. Shaikh
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Publication number: 20130344396Abstract: In various embodiments an improved binder composition, electrolyte composition and a separator film composition using discrete carbon nanotubes, their methods of production and utility for energy storage and collection devices, like batteries, capacitors and photovoltaics, is described. The binder, electrolyte, or separator composition can further comprise polymers. The discrete carbon nanotubes further comprise at least a portion of the tubes being open ended and/or functionalized. The utility of the binder, electrolyte or separator film composition includes improved capacity, power or durability in energy storage and collection devices. The utility of the electrolyte and or separator film compositions includes improved ion transport in energy storage and collection devices.Type: ApplicationFiled: June 21, 2013Publication date: December 26, 2013Inventors: Clive P. Bosnyak, Kurt W. Swogger, Milos Marinkovic
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Patent number: 8614273Abstract: A seal member includes a hydrogenated acrylonitrile-butadiene rubber (HNBR) and carbon nanofibers. The seal member has a number of cycles to fracture of 7000 or more when subjected to a tensile fatigue test at a temperature of 70° C., a maximum tensile stress of 4 N/mm, and a frequency of 1 Hz. The seal member exhibits excellent abrasion resistance.Type: GrantFiled: December 28, 2009Date of Patent: December 24, 2013Assignees: Nissin Kogyo Co., Ltd., Schlumberger Technology Corporation, Shinshu UniversityInventors: Toru Noguchi, Hiroyuki Ueki, Shigeki Inukai, Masaei Ito, Raghu Madhavan, Morinobu Endo, Satoshi Iinou
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Patent number: 8609774Abstract: The present invention provides a belt excellent in mechanical properties at high temperatures. The belt of the present invention comprises a cross-linked fluororubber layer obtainable by cross-linking a fluororubber composition containing a fluororubber (A) and a carbon black (B). The cross-linked fluororubber layer has a loss modulus E? of 400 kPa or higher and 6,000 kPa or lower determined by a dynamic viscoelasticity test (measurement temperature: 160° C., tensile strain: 1%, initial force: 157 cN, frequency: 10 Hz).Type: GrantFiled: August 25, 2011Date of Patent: December 17, 2013Assignee: Daikin Industries, Ltd.Inventors: Junpei Terada, Daisuke Ota, Masanori Kitaichi, Yutaka Ueta, Shigeru Morita, Kazuyoshi Kawasaki, Tatsuya Morikawa, Shoji Fukuoka
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Patent number: 8609233Abstract: Described herein is an intermediate transfer member that includes a layer of phenoxy resin having dispersed therein conductive particles.Type: GrantFiled: July 9, 2010Date of Patent: December 17, 2013Assignee: Xerox CorporationInventors: Dante M. Pietrantoni, Yuhua Tong, Michael S. Roetker, Francisco J. Lopez, Kyle B. Tallman, Jonathan H. Herko, Jin Wu
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Patent number: 8608990Abstract: Fire retardant materials are provided that contain carbon nanotubes and particles capable of endothermically reacting when exposed to elevated temperatures. The carbon nanotubes may be a buckypaper. Methods also are provided for making a fire retardant material and for improving the fire retardation capabilities of a material.Type: GrantFiled: December 14, 2012Date of Patent: December 17, 2013Assignee: Florida State University Research Foundation, Inc.Inventors: Changchun Zeng, Chuck Zhang, Ben Wang, Richard Liang, Chase Knight
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Patent number: 8608989Abstract: Fire retardant materials arc provided that contain carbon nanotubes and particles capable of endothermically reacting when exposed to elevated temperatures. The carbon nanotubes may be a buckypaper. Methods also are provided for making a fire retardant material and for improving the fire retardation capabilities of a material.Type: GrantFiled: March 2, 2012Date of Patent: December 17, 2013Assignee: Florida State University Research Foundation, Inc.Inventors: Changchun Zeng, Chuck Zhang, Ben Wang, Richard Liang, Chase Knight
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Patent number: 8609749Abstract: The invention provides a method for preparing a Polyurethane-Carbon Nanotube (PU-CNT) based coating composition. More specifically, the invention provides a method for preparing a PU-CNT based anti-corrosive coating composition. The method comprises preparing a dispersion comprising one or more types of Carbon Nanotubes (CNTs). The dispersion is prepared by dispersing the one or more types of CNTs in a dispersant comprising at least one polar solvent and at least one surfactant. The method further comprises mechanically mixing a hardener with the dispersion comprising the one or more types of CNTs. In addition, the method comprises mechanically mixing polyurethane with the dispersion prepared by mechanically mixing the hardener with the dispersion comprising the one or more types of CNTs.Type: GrantFiled: October 29, 2012Date of Patent: December 17, 2013Assignee: King Abdulaziz City for Science and Technology (KACST)Inventors: Mohammed Abdullah Bahattab, Musarrat Husain Jafri, Andrei V. Krauklis, Siarhei Zhdanok
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Patent number: 8597606Abstract: A process for producing a filmy graphite includes the steps of forming a polyimide film having a birefringence of 0.12 or more and heat-treating the polyimide film at 2,400° C. or higher.Type: GrantFiled: December 6, 2012Date of Patent: December 3, 2013Assignee: Kaneka CorporationInventors: Yasushi Nishikawa, Mutsuaki Murakami, Kiyokazu Akahori
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Patent number: 8598263Abstract: Flexible members for use in imaging devices comprise a polyamic acid and an internal release agent; and optionally, a polysiloxane surfactant.Type: GrantFiled: February 13, 2011Date of Patent: December 3, 2013Assignee: Xerox CorporationInventor: Jin Wu
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Publication number: 20130317160Abstract: Heterophasic polypropylene composition comprising (A) 45 to 70 wt % of a propylene homo- or copolymer matrix with an MFR2 in accordance with ISO 1133 (230° C., 2.16 kg load) of ?80 g/10 min and (B) 25 to 40 wt % of an elastomeric propylene-ethylene copolymer, having an intrinsic viscosity IV (ISO 1628, with decalin as solvent) of ?3.3 dl/g and an ethylene content of 20 to 50 wt %, (C) 0-15 wt % of an elastomeric ethylene/alpha-olefin random copolymer (D) 3-25 parts per weight of inorganic filler, the heterophasic polypropylene compositions having a total MFR2 (230° C./2.16 kg) in accordance with ISO 1133 of ?5 g/10 min, a Charpy notched impact strength according to ISO 179/1eA at +23° C. of ?15.0 kJ/m2, preferably ?25.0 kJ/m2, a minimum value for the Charpy notched impact strength according to ISO 179/1eA at ?20° C. of ?7.0 kJ/m2, preferably ?10.0 kJ/m2 and a tensile modulus according to ISO 527-3 of ?1200 MPa; their preparation and use for producing injection moulded articles being free of flow marks.Type: ApplicationFiled: March 14, 2013Publication date: November 28, 2013Inventors: Werner Posch, Michael Tranninger, Pauli Leskinen, Bo Malm, Sybille Simon, Norbert Reichelt
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Publication number: 20130317161Abstract: There is provided a random mat of the present invention including: reinforcing fibers having an average fiber length of 5 to 100 mm; and a thermoplastic resin, wherein a fiber areal weight of the reinforcing fibers is from 25 to 3,000 g/m2, for a reinforcing fiber bundle (A) including the reinforcing fibers equivalent to or more than a critical single fiber number defined by formula (1), a ratio of the reinforcing fiber bundle (A) to a total amount of the reinforcing fibers in the mat is from 30 vol % to less than 90 vol %, and an average number (N) of the reinforcing fibers in the reinforcing fiber bundle (A) satisfies formula (2): Critical single fiber number=600/D ??(1) 0.7×104/D2<N<1×105/D2 ??(2) wherein D is an average fiber diameter (?m) of single reinforcing fibers.Type: ApplicationFiled: August 1, 2013Publication date: November 28, 2013Applicant: Teijin LimitedInventors: Yuhei Konagai, Naoaki Sonoda, Noboru Okimoto, Katsuyuki Hagihara
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Patent number: 8592512Abstract: The invention relates to a composition containing at least one microgel, at least one carbon nanotube and at least one organic medium. Said organic medium can be cross-linked or non cross-linked.Type: GrantFiled: May 20, 2009Date of Patent: November 26, 2013Assignees: Lanxess Deutschland GmbH, Bayer MaterialScience AGInventors: Torsten Ziser, Thomas Früh, Werner Obrecht, Reiner Rudolf, Sigurd Buchholz, Volker Michele, Leslaw Mleczko, Christian Münnich, Aurel Wolf, Daniel Gordon Duff
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Patent number: 8592502Abstract: A non-aqueous ink composition for inkjet printing is provided, which comprises 0.01 to 10 wt % of at least one ionic substance (A) selected from the group consisting of quarterly ammonium salts, quarterly phosphonium salts, a combination of a fatty acid and/or an alkyl phosphate with an amine compound, and synergists, 0.1 to 20 wt % of an C12-25 alkyl(meth)acrylate copolymer (B) having 1 to 40 wt %, relative to a weight of the copolymer, of urethane moiety, 0.1 to 20 wt % of a pigment (C), and an organic solvent (D). The composition achieves excellent wiping durability and printed image density.Type: GrantFiled: October 22, 2010Date of Patent: November 26, 2013Assignee: Riso Kagaku CorporationInventors: Tetsuo Hosoya, Hiroshi Hayashi, Marie Morinaga, Naoyuki Torita
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Patent number: 8592521Abstract: A method for preparing a primer composition adapted to form a polysiloxane hard film on a cured primer layer of the composition comprising processes [1] or [2]: the process [1] comprising the steps of (I) preparing a primer precursor containing a vinyl polymer having a hydrolysable silyl group and an organic UV absorbing group bonded at side chains thereof and silica fine particles dispersed in an organic solvent; (II) adding water to the primer precursor obtained in (I) for hydrolysis; and (III) adding a dehydrating agent to the composition containing the hydrolyzate obtained in (II) to remove moisture from the composition; or the process [2] comprising (IV) hydrolyzing a vinyl polymer having a hydrolysable silyl group and an organic UV absorbing group bonded at side chains thereof by addition of water thereto; (V) adding silica fine particles dispersed in an organic solvent to the resulting hydrolyzate obtained in (IV); and (VI) adding a dehydrating agent to the composition obtained in (V) to remove moisturType: GrantFiled: September 4, 2009Date of Patent: November 26, 2013Assignees: Shin-Etsu Chemical Co., Ltd., Kabushiki Kaisha Toyota Jidoshokki, Toyota Jidosha Kabushiki KaishaInventor: Koichi Higuchi
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Patent number: 8591771Abstract: Disclosed herein are a dispersed solution of carbon nanotubes including carbon nanotubes, an organic solvent, a spacer, and a dispersant, and a method of preparing the same. The dispersed solution of the carbon nanotubes includes both the spacer, which reduces the van der Waals force of the carbon nanotubes and prevents bundling of the carbon nanotubes, and the dispersant, which maintains the debundling and stability of the carbon nanotubes, thereby improving the dispersibility of the carbon nanotubes. The method of preparing the dispersed solution of the carbon nanotubes can easily produce a dispersed solution of carbon nanotubes without performing a separate chemical treatment.Type: GrantFiled: January 19, 2007Date of Patent: November 26, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Seon-mi Yoon, Jae-young Choi, Un-gyu Paik, Jin-hyon Lee
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Patent number: 8586651Abstract: A method of producing an elastomer composite. The method includes A) combining a first fluid comprising elastomer latex with a second fluid comprising particulate filler; B) causing the elastomer latex to coagulate, thereby forming masterbatch crumb; C) bringing the masterbatch crumb to a water content of about 1 weight percent to about 20 weight percent, thereby forming a dewatered coagulum; D) removing water from the dewatered coagulum by subjecting the dewatered coagulum to mechanical energy, thereby causing the dewatered coagulum to heat as a result of friction, while allowing the dewatered coagulum to achieve a temperature of about 130° C. to about 190° C., wherein water content is reduced to about 0.5% to about 3% and wherein substantially all of the decrease in water content is accomplished by evaporation, thereby producing a masticated masterbatch; and E) subjecting the masticated masterbatch to at least an additional 0.3 MJ/kg of mechanical energy while further reducing the water content.Type: GrantFiled: February 5, 2009Date of Patent: November 19, 2013Assignee: Cabot CorporationInventors: Meng-jiao Wang, Ting Wang, Michael D. Morris, Xuan Zhang, Martin C. Green
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Publication number: 20130302588Abstract: Polymeric article reinforced with a reinforcing component. The reinforcing component includes a composition made from at least one polymer and graphene sheets.Type: ApplicationFiled: April 25, 2013Publication date: November 14, 2013Applicants: Kordsa Global Endustriyel Iplik Ve Kord Bezi Sanayi Ve Ticaret A.S., VORBECK MATERIALS CORP.Inventors: Ilhan A. Aksay, Bora Buyukdincer, Nurcin Javaherian, John S. Lettow, Gustavo Pino, Kate Redmond, Ibrahim O. Yildirim
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Patent number: 8578983Abstract: This invention relates to a tire having at least one rubber component which contains a cast, extruded, or calendered film of syndiotactic polybutadiene polymer. The syndiotactic polybutadiene polymer film is integral with the surface of the rubber component in a sense of being co-cured therewith. Such film may be added directly to the tire during the building process or involve a separate process of producing a tire component as a composite of the film and a rubber composition (rubber component) prior to the tire building stage. Such composite can be as is or partially pre-cured before being applied in the tire building process. The syndiotactic polybutadiene polymer film is provided to promote both stability and age durability for the tire component.Type: GrantFiled: October 6, 2008Date of Patent: November 12, 2013Assignee: The Goodyear Tire & Rubber CompanyInventor: Paul Harry Sandstrom
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Patent number: 8574537Abstract: A carbon black having an I2 number from 30 mg/g to 200 mg/g and a DBP from 20 cc/100 g to 40 cc/100 g.Type: GrantFiled: April 23, 2008Date of Patent: November 5, 2013Assignee: Cabot CorporationInventors: James A. Belmont, Geoffrey D. Moeser, Andriy Korchev, Agathagelos Kyrlidis, Jeremy K. Huffman
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Patent number: 8574527Abstract: The invention relates to a process for aftertreating carbon black, wherein the carbon black is subjected to a carrier gas flow in a fluidized bed apparatus in the lower region of the apparatus, an additional gas stream is introduced into the fluidized bed apparatus, and the carbon black is aftertreated in the fluidized bed which arises.Type: GrantFiled: April 28, 2008Date of Patent: November 5, 2013Assignee: Evonik Carbon Black GmbHInventors: Frank Stenger, Klaus Bergemann, Manfred Nagel
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Patent number: 8575261Abstract: This invention relates to preparation of precipitated silica-containing EPDM based rubber compositions and their use as components of articles of manufacture such as, for example, tires and industrial products. Such preparation relies upon phase mixing of EPDM based rubber compositions which contain particulate reinforcement, such as for example precipitated silica, which may optionally include exfoliated clay reinforcement, to create an enhanced EPDM rubber composition. In one aspect, the invention relates to a pneumatic rubber tire with a visible outer sidewall rubber layer comprised of such rubber composition.Type: GrantFiled: August 31, 2009Date of Patent: November 5, 2013Assignee: The Goodyear Tire & Rubber CompanyInventors: Junling Zhao, Aaron Scott Puhala
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Patent number: 8569412Abstract: Heterophasic polypropylene composition comprising (A) 45 to 70 wt % of a propylene homo- or copolymer matrix with an MFR2 in accordance with ISO 1133 (230° C., 2.16 kg load) of ?80 g/10 min and (B) 25 to 40 wt % of an elastomeric propylene-ethylene copolymer, having an intrinsic viscosity IV (ISO 1628, with decalin as solvent) of ?3.3 dl/g and an ethylene content of 20 to 50 wt %, (C) 0-15 wt % of an elastomeric ethylene/alpha-olefin random copolymer (D) 3-25 parts per weight of inorganic filler, the heterophasic polypropylene compositions having a total MFR2 (230° C./2.16 kg) in accordance with ISO 1133 of ?5 g/10 min, a Charpy notched impact strength according to ISO 179/1eA at +23° C. of ?15.0 kJ/m2, preferably ?25.0 kJ/m2, a minimum value for the Charpy notched impact strength according to ISO 179/1eA at ?200 C of ?7.0 kJ/m2, preferably ?10.0 kJ/m2 and a tensile modulus according to ISO 527-3 of ?1200 MPa; their preparation and use for producing injection molded articles being free of flow marks.Type: GrantFiled: June 15, 2010Date of Patent: October 29, 2013Assignee: Borealis AGInventors: Werner Posch, Michael Tranninger, Pauli Leskinen, Bo Malm, Sybille Simon, Norbert Reichelt
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Patent number: 8567462Abstract: A rubber composition for a studless tire capable of improving the performance on snow and ice, wet performance, abrasion resistance in good balance, and a studless tire having a tread produced from the rubber composition is disclosed. The rubber composition for a studless tire includes a rubber component including modified natural rubber and butadiene rubber; aromatic oil; silica; and carbon black, wherein the amount of the aromatic oil is 15 to 80 parts by mass and the amount of the silica is 15 to 80 parts by mass, relative to 100 parts by mass of the rubber component.Type: GrantFiled: August 23, 2011Date of Patent: October 29, 2013Assignee: Sumitomo Rubber Industries, Ltd.Inventor: Ryoji Kojima
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Patent number: 8562861Abstract: The present invention provides an oxygen-scavenging composition and articles formed therefrom. The oxygen-scavenging composition preferably includes an oxygen-scavenging polymer having an unsaturated bicyclic group, a based polymer, and an optional oxidation catalyst. The base polymer preferably includes a substituted or unsubstituted addition backbone, which may include heteratoms.Type: GrantFiled: October 10, 2008Date of Patent: October 22, 2013Assignee: Valspar Sourcing, Inc.Inventors: Paul Share, Jeffrey Niederst, Richard Evans, Grant Schutte
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Patent number: 8557916Abstract: A dual approach with slight modification was used to produce a nanocomposite using graphene sheets. The nanocomposite may be used for medical devices such as bone cement, dentures, paper, paint and automotive industries. A novel Microwave irradiation (MWI) was used to obtain R-(GO-(STY-co-MMA)). The results indicate that the nanocomposite obtained using the MWI had a better morphology and dispersion with enhanced thermal stability compared with the nanocomposite prepared without MWI. An average increase of 136% in hardness and 76% in elastic modulus were achieved through the addition of only 2.0 wt % of RGO nanocomposite obtained via the MWI method.Type: GrantFiled: April 30, 2013Date of Patent: October 15, 2013Assignee: Alfaisal UniversityInventors: Edreese H Alsharaeh, Mohammad AlDosari, Ali Abdel-Rahman Mohammad Othman
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Patent number: 8552103Abstract: Filled polyamide molding materials, in particular polyamide molding materials with medium filler content, are producible from a polyamide blend and for example by compounding with chopped or endless fibers on two-screw extruders, and have a combination of reduced water absorption and good mechanical properties, which results in very good dimensional stability and reduced variation of the electrical properties of the produced molded part, such as an antenna housings of stationary or mobile communication devices. These thermoplastic polyamide molding materials are suitable for manufacturing molded parts and other semi-finished or finished parts, for example by extrusion, injection molding, pressing, direct process or direct compounding, respectively, wherein the compounded polyamide molding material is directly processed by injection molding or other shaping methods.Type: GrantFiled: October 28, 2010Date of Patent: October 8, 2013Assignee: EMS-Chemie AGInventors: Ornulf Rexin, Etienne Aepli
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Publication number: 20130260150Abstract: The present disclosure relates to ground expanded graphite agglomerate compositions, methods for making such agglomerates, their use as conductive additive, and conductive composites including such ground expanded graphite agglomerates. The disclosure also pertains to methods for making such composites and the use of such composites in preparing thermally conductive materials. The agglomerates may be characterized by a certain softness allowing the agglomerates to dissolve, e.g., through shear forces applied during compounding, thereby leading to an improved feedability and a highly homogenous distribution of the expanded graphite material in the composite matrix.Type: ApplicationFiled: August 11, 2011Publication date: October 3, 2013Applicant: TIMCAL S.A.Inventors: Eusebiu Grivei, Fabio Rota, Jean-Christophe Rietsch, Simone Zuercher, Raffaele Gilardi, Michael Spahr
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Publication number: 20130261246Abstract: The present invention provides a vulcanizable composition containing a specific hydrogenated nitrile rubber, at least one cross-linking agent and carbon nanotubes, a process for preparing such composition and the use thereof for preparing vulcanizates. Said vulcanizates exhibit excellent heat performance, oil resistance and mechanical strength.Type: ApplicationFiled: June 19, 2009Publication date: October 3, 2013Applicant: LANXESS DEUTSCHLAND GMBHInventors: Christopher Ong, Stephen Pask, Sharon Guo, Yong Zhang, Lan Lu
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Patent number: 8545730Abstract: Provided are inks and coatings including carbon nanotubes.Type: GrantFiled: December 14, 2011Date of Patent: October 1, 2013Assignee: Hyperion Catalysis International, Inc.Inventors: Jun Ma, Alan B Fischer, Chunming Niu, Lein Ngaw
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Patent number: 8536262Abstract: The invention relates to a pneumatic tire having a cap/base configuration comprised of an outer tread cap rubber layer, with a tread running surface, and an underlying tread base rubber layer, where the base rubber layer contains syndiotactic polybutadiene with a diverse blend of carbon blacks.Type: GrantFiled: December 20, 2011Date of Patent: September 17, 2013Assignee: The Goodyear Tire & Rubber CompanyInventors: Claude Schweitzer, Junling Zhao, Marc Weydert
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Patent number: 8530566Abstract: An embodiment of the invention provides an electrically insulating and thermally conductive composition including 5-80 parts by weight of a resin, 20-95 parts by weight of an electrically insulating and thermally conductive powder, and 0.0001-2 parts by weight of a graphene. Another embodiment of the invention also provides an electronic device including the electrically insulating and thermally conductive composition.Type: GrantFiled: July 26, 2011Date of Patent: September 10, 2013Assignee: Industrial Technology Research InstituteInventors: Chen-Lung Lin, Meng-Ju Wu, Kuo-Chan Chiou
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Patent number: 8530547Abstract: To provide a chloroprene rubber composition with which a vulcanized rubber having further improved heat resistance without impairing mechanical properties, the compression set and the tension fatigue can be obtained, and a rubber member for an automobile, a hose, a rubber molded article and a rubber vibration insulator comprising the vulcanized rubber. A chloroprene rubber composition, which comprises 100 parts by mass of at least one chloroprene rubber selected from the group consisting of a xanthogen-modified chloroprene rubber and a mercaptan-modified chloroprene rubber, and from 15 to 200 parts by mass of carbon black having a number average particle size of from 70 nm to 600 nm and having a DBP oil absorption of from 15 ml/100 g to 60 ml/100 g by oil absorption method A of JIS K6221.Type: GrantFiled: September 12, 2008Date of Patent: September 10, 2013Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Yasushi Abe, Hiroyuki Ishiguro
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Patent number: 8530565Abstract: [Object] The invention provides a fiber reinforced propylene resin composition having interfacial adhesion between a propylene resin and a reinforcing fiber and capable of preparing molded articles having high mechanical properties. [Means for Achieving the Object] The fiber reinforced propylene resin composition comprises: (A) 1 to 75% by weight of a reinforcing fiber, (B) 0.01 to 10% by weight of a first propylene resin containing 50 to 99% by mol of a constituting unit derived from propylene of an olefin component, (C) 0.01 to 10% by weight of a second propylene resin at least containing a carboxylic acid salt bonded to a polymer chain and (D) 5 to 98.98% by weight of a third propylene resin, wherein the order of the weight average molecular weights Mw of the components (B), (C) and (D) satisfy the following relation; component (D)>component (B)>component (C).Type: GrantFiled: December 24, 2009Date of Patent: September 10, 2013Assignees: Mitsui Chemicals, Inc., Toray Industries, Inc.Inventors: Masato Honma, Atsuki Tsuchiya, Keiichi Asami
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Patent number: 8530575Abstract: A tire satisfying both of the low rolling resistance of the tire and the improvement of tire strength is provided. A tire including sidewall including a rubber composition for sidewall including a rubber composition including a rubber component including 35 to 65% by mass of NR and/or IR, 15 to 55% by mass of a modified BR and 0 to 50% by mass of other rubber and 20 to 40 parts by mass of filler, in which complex elastic modulus E* is 2.0 to 3.5 MPa and tan ? is less than 0.12; case in which cord is covered with a rubber composition for covering case cord including a rubber component including 50 to 80% by mass of NR and/or IR, 20 to 45% by mass of diene rubber of a modified SBR, a modified BR or ENR and 0 to 30% by mass of other rubber and 20 to 40 parts by mass of filler, in which E* is 2.0 to 3.5 MPa and tan ? is less than 0.Type: GrantFiled: July 15, 2009Date of Patent: September 10, 2013Assignee: Sumitomo Rubber Industries, Ltd.Inventor: Tatsuya Miyazaki
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Publication number: 20130217816Abstract: A fluorine rubber composition that provides high tensile strength and high elongation after vulcanization mutually compatible and from which favorable mechanical characteristics are obtained even in a high-temperature environment; and a bladder for tire production, which is manufactured using the same are provided. The fluorine rubber composition includes a rubber component containing a fluorine rubber and carbon black, wherein the carbon black has a specific surface area by nitrogen adsorption (N2SA) of 25 m2/g or more and not more than 180 m2/g and a dibutyl phthalate (DBP) absorption amount of 60 mL/100 g or more and not more than 180 mill 00 g; and in a kneading step (A) of compounding the carbon black in the rubber component, an average shear rate of a rotor surface of a kneading machine is 100 (1/sec) or more, and a kneading maximum temperature Tm is 120° C. or higher and not higher than 200° C.Type: ApplicationFiled: August 25, 2010Publication date: August 22, 2013Applicants: BRIDGESTONE CORPORATION, DAIKIN INDUSTRIES, LTD., E.I. DU PONT DE NEMOURS AND COMPANYInventors: Masashi Yano, Daisuke Ota, Shuichi Okutsu
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Patent number: 8513348Abstract: A method of producing carbon nanofibers includes grinding untreated carbon nanofibers produced by a vapor growth method. The untreated carbon nanofibers are ground so that the ground carbon nanofibers have a tap density 1.5 to 10 times higher than that of the untreated carbon nanofibers. A method of producing a carbon fiber composite material includes mixing carbon nanofibers into an elastomer, and uniformly dispersing the carbon nanofibers in the elastomer by applying a shear force to obtain a carbon fiber composite material.Type: GrantFiled: December 2, 2008Date of Patent: August 20, 2013Assignee: Nissin Kogyo Co., Ltd.Inventors: Toru Noguchi, Hiroyuki Ueki, Satoshi Iinou, Kenji Takeuchi
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Patent number: 8509669Abstract: The present teachings disclose a surface coating. The surface coating includes a fluoroplastic having dispersed therein aerogel particles wherein the aerogel particles comprise from about 0.1 weight percent to about 25 weight percent of the surface coating. The surface coating is useful as an out layer for fuser members.Type: GrantFiled: March 22, 2011Date of Patent: August 13, 2013Assignee: Xerox CorporationInventors: Carolyn P. Moorlag, Yu Qi, Nicoleta D. Mihai, Gordon Sisler, Sandra J. Gardner, Qi Zhang, Nan-Xing Hu
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Publication number: 20130202832Abstract: Polymer compositions comprising poly(aryl ether ketone)s and graphene materials. In particular, a polymer composition comprising: A) a poly(arylether ketone) and B) 0.1 to 70 wt. %, based on the combined weight of A) and B), of at least one non-tubular graphene material. Use of such polymer compositions for the manufacture of molded or extruded articles. Molded or extruded articles made from such polymer compositions.Type: ApplicationFiled: October 10, 2011Publication date: August 8, 2013Applicant: SOLVAY SAInventors: Kermit S. Kwan, Mohammad Jamal El-Hibri, Hans Edouard Miltner
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Patent number: 8501849Abstract: This invention relates to novel sulfur-containing silane coupling agents, and organic polymers containing carbon-carbon double bonds. These novel silanes can be carried on organic and inorganic fillers. The invention also relates to articles of manufacture, particularly tires, made from the elastomer compositions described herein.Type: GrantFiled: April 27, 2012Date of Patent: August 6, 2013Assignee: Momentive Performance Materials Inc.Inventors: Richard W. Cruse, W. Michael York, Eric R. Pohl, Antonio Chaves, Prashant Joshi
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Patent number: 8501148Abstract: A black matrix or coating includes carbon black including a first carbon black having an I2 number from 30 mg/g to 200 mg/g and a DBP from 20 cc/100 g to 45 cc/100 g.Type: GrantFiled: April 23, 2008Date of Patent: August 6, 2013Assignee: Cabot CorporationInventors: James A. Belmont, Geoffrey D. Moeser, Andriy Korchev, Agathagelos Kyrlidis, Jeremy K. Huffman
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Patent number: 8501858Abstract: Graphite nanoplatelets of expanded graphite and polymer composites produced therefrom are described. The graphite is expanded from an intercalated graphite by microwaves or radiofrequency waves in the presence of a gaseous atmosphere. The composites have barrier and/or conductive properties due to the expanded graphite.Type: GrantFiled: May 17, 2006Date of Patent: August 6, 2013Assignee: Board of Trustees of Michigan State UniversityInventors: Lawrence T. Drzal, Hiroyuki Fukushima