Carbon Particle Having Specified Dimension Patents (Class 524/496)
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Patent number: 8530569Abstract: A polyalkyl benzimide polymeric dispersant produced from the reaction product of polyisobutylene amine with 1,2,4-benzenetricarboxylic anhydride, and method of preparing same and colorant dispersions containing dispersant.Type: GrantFiled: December 5, 2003Date of Patent: September 10, 2013Assignee: Sun Chemical CorporationInventors: Gregory T. Huber, Tatiana N. Romanova, Russel J. Schwartz, Terence R. Chamberlain
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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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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: 8519045Abstract: Disclosed are a graphene composite nanofiber and a preparation method thereof. The graphene composite nanofiber is produced by dispersing graphenes to at least one of a surface and inside of a polymer nanofiber or a carbon nanofiber having a diameter of 1˜1000 nm, and the graphenes include at least one type of monolayer graphenes, and multilayer graphenes having a thickness of 10 nm or less. The graphene composite nanofiber can be applied to various industrial fields, e.g., a light emitting display, a micro resonator, a transistor, a sensor, a transparent electrode, a fuel cell, a solar cell, a secondary cell, and a composite material, owing to a unique structure and property of graphene.Type: GrantFiled: February 25, 2010Date of Patent: August 27, 2013Assignee: Korea Institute of Science and TechnologyInventors: Sung-Yeon Jang, Ho Seok Park, Seong Mu Jo, Dong Young Kim, Won Hi Hong, Sang Yup Lee, Tae Jung Park, Bong Gill Choi
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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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Publication number: 20130203928Abstract: A process for producing polymer-carbon nanotube (CNT) composites comprises the steps of: (A) providing carbon nanotube agglomerates with an average agglomerate size of ?0.02 mm to ?6 mm; (B) contacting the carbon nanotube agglomerates with an impregnation material, the contacting being performed in such a way that ?50 wt. %, based on the weight of the carbon nanotubes, of the carbon nanotube agglomerates after contacting still has an average agglomerate size of ?0.02 mm; and (C) incorporating the carbon nanotube agglomerates which have been contacted with an impregnation material and obtained in step (B) into a thermoplastic polymer material or into a reactive resin system. The invention further relates to carbon nanotube agglomerates which have been contacted with an impregnation material and to a polymer composite comprising carbon nanotubes.Type: ApplicationFiled: September 2, 2011Publication date: August 8, 2013Applicant: BAYER INTELLECTUAL PROPERTY GMBHInventors: Heiko Hocke, John Vitovsky
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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
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Publication number: 20130194363Abstract: An ink jet ink with high structure pigment particles can include a liquid vehicle, high structure pigment particles dispersed in the liquid vehicle at from about 0.2 wt % to about 5.0 wt %, and a polyurethane binder present in the liquid vehicle at from about 0.2 wt % to about 5.0 wt %. The high structure pigment particles can have polymer dispersant adsorbed onto a surface thereof, a DBP absorption value at a minimum of about 75 ml/100 g, and a surface area of about 200 m2/g to about 2000 m2/g.Type: ApplicationFiled: September 23, 2010Publication date: August 1, 2013Inventors: Dennis Z. Guo, Stephen Horvath
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Patent number: 8496864Abstract: Methods of cyclically heating and cooling an article formed of a static dissipative ETFE resin, such as to reduce an electrical resistivity and/or to increase a tensile strength of the article, and methods of irradiating an article formed of a static dissipative ETFE resin, such as to increase a tensile strength of the article. Also disclosed herein are articles formed of a static dissipative ETFE resin, and processed in accordance with methods disclosed herein. Such an article may include, for example and without limitation, a cable strap to wrap, support, and/or secure one or more wires or cables, such as a cable tie.Type: GrantFiled: May 11, 2010Date of Patent: July 30, 2013Assignee: The John Hopkins UniversityInventors: Patrick T. Langley, Fazle E. Siddique
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Publication number: 20130190442Abstract: The linear low density polyethylene nanocomposite fibers are formed from a linear low density polyethylene matrix having carbon nanotubes embedded therein. The addition of the carbon nanotubes enhances the overall toughness of the material, resulting in increases over conventional linear low density polyethylene in the material's tensile strength, elasticity and ductility. The carbon nanotubes constitute between about 0.08% and 1.0% by weight of the linear low density polyethylene nanocomposite fiber. Optimal toughness is found at about 0.3 wt %. The linear low density polyethylene nanocomposite fibers are made by first melting a quantity of linear low density polyethylene, and then blending a quantity of carbon nanotubes into the melted linear low density polyethylene to form a mixture, The mixture is then extruded to form the linear low density polyethylene nanocomposite fibers, which are then spun in a spinneret die to produce the finished linear low density polyethylene nanocomposite fibers.Type: ApplicationFiled: January 23, 2012Publication date: July 25, 2013Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventors: KHALED MEZGHANI, MOHAMMED RIYAZUDDIN FAROOQUI, SARFARAZ AHMED FURQUAN, MUATAZ ALI ATIEH
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Publication number: 20130183467Abstract: Provided is a polyester or co-polyester resin used in the manufacture of preforms suitable for making bottles and containers containing a carbon black, particularly lamp black carbon black, with a primary particle size in a range of from 100 to 160 nanometers.Type: ApplicationFiled: January 12, 2012Publication date: July 18, 2013Applicant: DAK AMERICAS, LLCInventors: David Eugene Thompson, Helen Jane Codd
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Publication number: 20130180637Abstract: Provided is a pneumatic tire using a rubber composition which makes it possible to keep rolling resistance low, prevent the accumulation of static electricity during the running of the tire, suppress an increase over time in electrical resistance of the tire, and improve durability. The present invention relates to a rubber composition, including: a rubber component including two or more diene rubber; and carbon black having a nitrogen adsorption specific surface area of 400 m2/g or more in an amount of 5 to 30 parts by mass per 100 parts by mass of the rubber component, wherein the rubber composition has a degree of carbon black dispersion determined by counting agglomerates based on JIS K 6812 “Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes, fittings and compounds” of 90% or more.Type: ApplicationFiled: January 11, 2013Publication date: July 18, 2013Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: SUMITOMO RUBBER INDUSTRIES, LTD.
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Publication number: 20130184375Abstract: A jet-black rubber modified acrylic resin composition comprising: a rubber modified acrylic resin (A); and a carbon black (B) blended with the resin (A), the rubber modified acrylic resin (A) being capable of providing a 3-mm-thick molded product that has transparency with a total light transmittance of 85% or higher, and the carbon black being dispersed in the resin composition and having a particle diameter of 10 to 40 nm.Type: ApplicationFiled: January 13, 2012Publication date: July 18, 2013Applicant: KANEKA CORPORATIONInventors: Taizo Aoyama, Tetsuo Mekata, Yutaka Kaneda
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Publication number: 20130183536Abstract: The present invention aims to provide a molded product excellent in jet-blackness, weather resistance, mold-processability, boss strength, abrasion resistance and opaqueness, and a resin composition to provide the molded product. The present invention relates to a resin composition comprising: an acrylic resin (A); and a carbon black (B) having a number average particle diameter of 10 to 40 nm.Type: ApplicationFiled: November 29, 2012Publication date: July 18, 2013Applicant: KANEKA CORPORATIONInventor: Kaneka Corporation
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Publication number: 20130182056Abstract: An inkjet recording ink including water; a dispersant containing a block type copolymer having structural unit of a diene monomer and an aromatic vinyl monomer, wherein the block type copolymer has a sulfonic acid group or salt thereof; a first carbon black; and a second carbon black having 2.0 ?mol/m2 to 5.0 ?mol/m2 of a carboxyl group on a surface thereof.Type: ApplicationFiled: January 16, 2013Publication date: July 18, 2013Inventors: Naoya MOROHOSHI, Mitsuru Naruse, Minoru Hakiri
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Patent number: 8487035Abstract: An object of the present invention is to provide a resin composition in which a surface resistivity and a volume resistivity actually measured in an antistatic region and an electrostatic diffusion region are equivalent to each other, and a remolded product produced by reutilizing a molded product which can hold the above properties. Specifically, disclosed is a resin composition comprising: 100 parts by weight of (a) a thermoplastic resin; 20 to 80 parts by weight of (b) a nonconductive fibrous inorganic filler having an average fiber diameter of not more than 15 ?m; and 10 to 70 parts by weight of the total of (c1) a graphite and (c2) a graphite in which (c) graphite having an average particle diameter of 1 ?m to 50 ?m wherein each kind thereof has a different particle diameter; and at least one of differences in average particle diameter between two kinds thereof is not less than 5 ?m.Type: GrantFiled: March 22, 2007Date of Patent: July 16, 2013Assignee: Asahi Kasei Chemicals CorporationInventors: Yoshikuni Akiyama, Minoru Sakata, Yukihiro Ban
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Publication number: 20130178570Abstract: A semiconducting shield composition comprising a polyolefin and acetylene black having at least one of the following properties: (a) a DBP oil adsorption of 150 ml/100 g to 200 ml/100 g; (b) an iodine absorption of 85 mg/g to 105 mg/g; (c) an apparent density of 0.2 g/ml to 0.4 g/ml; (d) a crystallite size along (002) less than 30 A; and (e) a carbon-carbon bond length along (100) less than 2.42 A. The semiconducting shield may be incorporated into a semiconducting layer and/or a semiconductor apparatus.Type: ApplicationFiled: September 16, 2011Publication date: July 11, 2013Inventor: Paul J. Brigandi
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Patent number: 8476351Abstract: A black coating composition which gives a highly adhesive resin black matrix that exhibits a high OD value which was able to be attained only by metal thin film black matrices is disclosed. The black coating composition comprises as indispensable components a titanium nitride oxide and a resin. The X-ray intensity ratios R1 and R2 of the titanium nitride oxide represented by the Equations (1) and (2) below, respectively, satisfy the relationships represented by Formulae (3) and (4) below: R1=I3/{I3+1.8(I1+1.8I2)}??(1) R2=I2/I1??(2) R1>0.70??(3) 0.85<R2<1.80??(4) wherein I1 represents the maximum diffraction intensity of the titanium nitride oxide when the angle of diffraction 2?, determined by using CuK? line as the X-ray source, is 25° to 26°, I2 represents the maximum diffraction intensity of the titanium nitride oxide when the angle of diffraction 2? is 27° to 28°, and I3 represents the maximum diffraction intensity of the titanium nitride oxide when the angle of diffraction 2? is 36° to 38°.Type: GrantFiled: October 14, 2004Date of Patent: July 2, 2013Assignee: Toray Industries, Inc.Inventors: Masahiro Yoshioka, Ryo Nagase, Masaya Tsujii, Masuichi Eguchi
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Patent number: 8476357Abstract: A method for making a composite carbon nanotube structure includes the following steps. An organic solvent, a polymer, and a carbon nanotube structure are provided. The polymer is dissolved in the organic solvent to obtain a polymer solution. The carbon nanotube structure is soaked with the polymer solution. A contact angle between the organic solvent and a carbon nanotube is less than 90 degrees.Type: GrantFiled: December 6, 2010Date of Patent: July 2, 2013Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Kai Liu, Ying-Hui Sun, Kai-Li Jiang, Shou-Shan Fan
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Publication number: 20130158153Abstract: A thermal transfer film and a method of manufacturing an OLED display, the thermal transfer film including a light to heat conversion layer, the light to heat conversion layer being formed of a composition including carbon black having an oil absorption number (OAN) of about 50 cc/100 gram to about 120 cc/100 gram and a mean particle size of about 40 nm to about 200 nm; and a binder.Type: ApplicationFiled: December 14, 2012Publication date: June 20, 2013Inventors: Si Kyun PARK, Se Hyun PARK, Jung Hyo LEE, Hyoung Tae LIM, Seong Heun CHO, Kyoung Ku KANG
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Patent number: 8466225Abstract: An aromatic polycarbonate resin composition including 100 parts by mass of a polycarbonate resin (A) containing an aromatic polycarbonate resin (a-1) and/or a silicone-copolymerized polycarbonate (a-2), and 0.01 to 30 parts by mass of a nanoporous carbon (B). A molded body of the resin composition is also provided. The aromatic polycarbonate resin composition has improved flame retardancy, moisture resistance and stability at a high temperature molding stage because of the addition of the nanoporous carbon to the polycarbonate resin containing an aromatic polycarbonate and/or a silicone-copolymerized polycarbonate, and is suitably used as, for example, a casing for OA appliances, electric and electronic appliances or communication appliances.Type: GrantFiled: March 26, 2009Date of Patent: June 18, 2013Assignee: Idemitsu Kosan Co., Ltd.Inventors: Yusuke Hayata, Akio Nodera, Naosuke Mukawa
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Patent number: 8459319Abstract: This invention relates to a pneumatic tire with an outer, running surface containing, circumferential tread comprised of a styrene/butadiene (SBR) rich rubber composition containing two SBR's with spaced apart glass transition temperatures (Tg's), one of which is a functionalized SBR with a functional group reactive with hydroxyl groups on a precipitated silica, together with a combination of at least three resins with spaced apart softening points. The filler reinforcement is a combination of precipitated silica and specialized rubber reinforcing carbon black.Type: GrantFiled: August 31, 2009Date of Patent: June 11, 2013Assignee: The Goodyear Tire & Rubber CompanyInventors: Jennifer Lyn Ryba, Paul Harry Sandstrom, Steven Wayne Cronin, Bret Herbert Marts
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Publication number: 20130143998Abstract: A resin composite material including fine graphite particles including plate-like graphite particles, an aromatic vinyl copolymer which is adsorbed on the plate-like graphite particles and which has a vinyl aromatic monomer unit represented by the following formula: —(CH2—CHX)—(X represents a phenyl group, a naphthyl group, an anthracenyl group, or a pyrenyl group, provided that these groups may have substituents); a fibrous inorganic filler; and a resin matrix.Type: ApplicationFiled: December 5, 2012Publication date: June 6, 2013Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventor: Kabushiki Kaisha Toyota Chuo Kenkyusho
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Patent number: 8455583Abstract: The present invention is directed to carbon nanotube (CNT)/polymer composites, i.e., nanocomposites, wherein the CNTs in such nanocomposites are highly dispersed in a polymer matrix, and wherein the nanocomposites comprise a compatibilizing surfactant that interacts with both the CNTs and the polymer matrix. The present invention is also directed to methods of making these nanocomposites. In some such methods, the compatibilizing surfactant provides initial CNT dispersion and subsequent mixing with a polymer. The present invention is also directed to methods of using these nanocomposites in a variety of applications.Type: GrantFiled: August 2, 2005Date of Patent: June 4, 2013Assignee: University of HoustonInventors: Ramanan Krishnamoorti, Cynthia A. Mitchell, Jeffrey L. Bahr
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Patent number: 8440757Abstract: A rubber composition for a tire tread including a diene rubber component and silica and carbon black, and a pneumatic tire provided with a tread manufactured from this rubber composition, the diene rubber component including: (A) from 30 to 80 mass % of a hydroxy group-containing aromatic vinyl-conjugated diene copolymer including from 20 to 30 mass % of aromatic vinyl units and from 0.1 to 10 mass % of isoprene units, and having an amount of vinyl bonds in a conjugated diene part from 40 to 60 mol %; (B) from 10 to 50 mass % of a high-cis butadiene rubber having an amount of 90 mol % or more of cis-1,4 bonds; and (C) from 10 to 50 mass % of natural rubber; wherein a total amount of the silica and the carbon black is from 90 to 150 parts by mass per 100 parts by mass of the diene rubber component.Type: GrantFiled: May 11, 2010Date of Patent: May 14, 2013Assignee: The Yokohama Rubber Co., Ltd.Inventor: Naoki Kushida
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Patent number: 8435628Abstract: The present invention relates to a continuous, carbon fiber with nanoscale features comprising carbon and carbon nanotubes, wherein the nanotubes are substantially aligned along a longitudinal axis of the fiber. Also provided is a polyacrylonitrile (PAN) precursor including about 50% to about 99.9% by weight of a melt-spinnable PAN and about 0.01% to about 10% of carbon nanotubes. Other precursor materials such as polyphenylene sulfide, pitch and solution-spinnable PAN are also provided. The precursor can also include a fugitive polymer which is dissociable from the precursor polymer.Type: GrantFiled: May 3, 2012Date of Patent: May 7, 2013Assignee: The Boeing CompanyInventor: Thomas Karl Tsotsis
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Publication number: 20130102719Abstract: A dispersion includes a carbonaceous nanoparticle, a dispersant including a graft polymer having a poly(alkylene glycol) side chain, and a polar solvent. An article coated with the dispersion and a method of making the dispersion are disclosed.Type: ApplicationFiled: April 13, 2012Publication date: April 25, 2013Applicant: BAKER HUGHES INCORPORATEDInventors: Hendrik John, Claus-Peter Klages, Sven Hartwig
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Publication number: 20130096246Abstract: A composition having a composite material having a polymer with about 1% to about 3% by weight thin-graphite materials dispersed therein; the thin-graphite materials having diameters less than or equal to 2 microns and a surface area greater than or equal to about 300 m2 per gram; and the composite material having a tensile modulus that is at least 25% greater than the unfilled polymer.Type: ApplicationFiled: October 12, 2012Publication date: April 18, 2013Applicant: Honda Patents & Technologies North America, LLCInventor: Honda Patents & Technologies North America, LL
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Patent number: 8420715Abstract: An encapsulated colorant including a colorant and a polymer resin coating the colorant, where the polymer resin is prepared by polymerizing a polymer resin-forming composition including two or more polymerizable unsaturated monomers, and the content ratio of the two or more polymerizable unsaturated monomers is controlled to obtain a glass transition temperature of the polymer resin of ?15 to 75° C. An ink composition including an encapsulated colorant, and an ink set comprising two or more types of the ink composition. The encapsulated colorant may have different glass transition temperatures to have a utility of high optical density when printing text, and high gloss when printing images.Type: GrantFiled: August 26, 2008Date of Patent: April 16, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-in Lee, Heung-sup Park
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Patent number: 8420728Abstract: Long-fiber-reinforced thermoplastic resin particles and a blend thereof are provided, wherein the opening property of the reinforcing fibers during molding is good, and a molded body exhibiting an excellent appearance and having high mechanical strength is obtained. The particles (A) contain a thermoplastic resin (A1), produced by using a metallocene catalyst, a modified polyolefin resin (A2) modified with an unsaturated carboxylic acid or a derivative thereof, and reinforcing fibers (A3) and satisfying additional requirements described herein.Type: GrantFiled: September 6, 2012Date of Patent: April 16, 2013Assignees: Mitsui Chemicals, Inc., Prime Polymer Co., Ltd.Inventors: Hirofumi Goda, Toru Iwashita, Keita Itakura
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Patent number: 8420729Abstract: It is disclosed a method for preparing a nano hybrid resin containing carbon nano materials as graphitizing agents with predetermined characteristics by formation of graphite phase in residual carbon.Type: GrantFiled: July 8, 2009Date of Patent: April 16, 2013Inventors: Mohamad Ali Sharif Sheikhaleslami, Farhad Golestanifard, Hossein Sarpoolaky
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Patent number: 8415423Abstract: A melt-kneaded product includes: a disperse medium selected from an a rubber, elastomer, thermoplastic resin, or thermosetting resin; and a filling material constituted by nano-size filler particles having a mutually aggregating nature, said nano-size filler particles being uniformly dispersed in the disperse medium.Type: GrantFiled: January 26, 2011Date of Patent: April 9, 2013Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Hiroshi Shimizu, Yongjin Li
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Patent number: 8404775Abstract: A polymerizable ligand comprising, in one embodiment, a polyaromatic compound, with a terminal functional group, non-covalently bonded to the sidewalls of carbon nanotubes. This structure preserves the structural, mechanical, electrical, and electromechanical properties of the CNTs and ensures that an unhindered functional group is available to bond with an extended polymer matrix thereby resulting in an improved polymer-nanotube composite.Type: GrantFiled: November 15, 2010Date of Patent: March 26, 2013Assignee: The Johns Hopkins UniversityInventors: Jennifer L. Sample, Amy A. Hofstra
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Publication number: 20130072613Abstract: A polymer composition having improved processing properties, in particular improved crystallization behavior, comprising a semi-aromatic polyamide and a graphene material. The graphene material may be a nano-graphene platelet. The semi-aromatic polyamide may comprise recurring units obtainable by a polycondensation reaction between at least one aromatic diamine and at least one non-aromatic diacid or derivatives thereof and/or recurring units obtainable by a polycondensation reaction between at least one aromatic diacid or derivatives thereof and at least one non-aromatic diamine. The composition may further comprise a polyamide different than the semi-aromatic polyamide. The composition may further comprise a filler.Type: ApplicationFiled: March 23, 2011Publication date: March 21, 2013Applicant: SOLVAY SAInventors: Hans Edouard Miltner, Vito Leo, Kermit S. Kwan, Sanjay Gurbasappa Charati, Ardechir Momtaz, Prakash Trivedi, Jignesh Markandray Shukla, Prakash Punjalal Panchal
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Patent number: 8399553Abstract: The present invention relates to a (process for preparation of a) carbon nanotubes reinforced polymer, wherein the matrix polymer has both a low molecular weight fraction as well as a high molecular weight fraction, as a result of which the level of conductivity of the resulting composite can be controlled.Type: GrantFiled: April 6, 2007Date of Patent: March 19, 2013Assignee: Stichting Dutch Polymer InstituteInventors: Cornelis Koning, Nadia Grossiord, Jan Meuldijk, Joachim Loos
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Patent number: 8399550Abstract: A process for forming a tire component, the process comprising the steps of introducing a vulcanizable polymer, a curative, a first carbon black characterized by an iodine adsorption number, per ASTM D1510, that is greater than 60 g/kg, and a second carbon black characterized by an iodine adsorption number, per ASTM D1510, that is less than 60 g/kg to form a vulcanizable composition, fabricating a tire component from the vulcanizable composition, and curing the tire component.Type: GrantFiled: October 28, 2011Date of Patent: March 19, 2013Assignee: Bridgestone CorporationInventors: Terrence E. Hogan, Christopher G. Robertson, Alberto Scurati
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Patent number: 8399543Abstract: The present invention concerns an improved method for introducing free carbon black additive into a polymer powder or fluff, and in particular into polyethylene powder.Type: GrantFiled: November 4, 2008Date of Patent: March 19, 2013Assignee: Total Petrochemicals Research FeluyInventor: Daan Dewachter
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Patent number: 8399551Abstract: An embodiment of the present invention is a nanocomposite comprising a clay and an elastomer comprising at least C2 to C10 olefin derived units; wherein the elastomer also comprises functionalized monomer units pendant to the elastomer. Desirable embodiments of the elastomer include poly(isobutylene-co-p-alkylstyrene) elastomers and poly(isobutylene-co-isoprene) elastomers, which are functionalized by reacting free radical generating agents and unsaturated carboxylic acids, unsaturated esters, unsaturated imides, and the like, with the elastomer. The clay is exfoliated in one embodiment by the addition of exfoliating agents such as alkyl amines and silanes to the clay. The composition can include secondary rubbers such as general purpose rubbers, and curatives, fillers, and the like. The nanocomposites of the invention have improved air barrier properties such as are useful for tire innerliners and innertubes.Type: GrantFiled: May 30, 2003Date of Patent: March 19, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventors: Caiguo Gong, Anthony Jay Dias, Andy Haishung Tsou, Beverly Jean Poole, Kriss Randall Karp
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Publication number: 20130063524Abstract: An inkjet recording apparatus including an ink; and an ink discharging head configured to discharge the ink, wherein the ink discharging head is provided with a nozzle having a silicone-containing water-repellent film on a surface thereof on which the ink contacts, wherein the ink contains a colorant; water; and a water soluble organic solvent, wherein the colorant contains a carbon black partially coated with a resin, and wherein the ink meets the following expressions (1) and (2): 1.0×104<N×R/100<1.0×106??(1) 20.0<R?100.0??(2) where R (% by mass) denotes a rate of the mass of the carbon black partially coated with a resin relative to the mass of the colorant, and N denotes the number of coarse particles having a particle diameter of 0.5 ?m or more per 5 ?L of the ink where the number thereof is determined with a number counting method.Type: ApplicationFiled: September 5, 2012Publication date: March 14, 2013Inventors: Keita KATOH, Ichiroh Fujii, Masaki Kudo, Tomohiro Nakagawa, Akihiko Gotoh, Koji Katsuragi
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Patent number: 8394875Abstract: The present invention aims to provide a rubber composition for a base tread capable of enhancing fuel economy, elongation at break and durability in a balanced manner while maintaining favorable handling stability and processability (extrusion processability) even if the amount of zinc oxide is reduced, and a pneumatic tire having a base tread produced from the rubber composition. The present invention relates to a rubber composition for a base tread including: a rubber component; a compound represented by Formula (I): wherein R1 to R4 each independently represent a C1 to C18 linear or branched alkyl group or a C5 to C12 cycloalkyl group; and zinc oxide, wherein the amount of the compound represented by Formula (I) is 0.2 to 6 parts by mass and the amount of the zinc oxide is 1.0 part by mass or less, relative to 100 parts by mass of the rubber component.Type: GrantFiled: August 24, 2011Date of Patent: March 12, 2013Assignee: Sumitomo Rubber Industries, Ltd.Inventor: Tatsuya Miyazaki
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Patent number: 8394883Abstract: A raw elastomeric composition includes: (a1) from 30 to 90% by weight of a partially hydrogenated vinylarene-conjugated diene random elastomeric copolymer; (a2) from 10 to 70% by weight of one or more diene rubbers; (b) from 10 to 150 phr of silica; (c) from 0.1 to 20 phr of a coupling agent based on silane; (d) from 0.1 to 10 phr of a vulcanization agent; wherein the partially hydrogenated vinylarene-conjugated diene random copolymer has a structure which has nodes statistically distributed in the macromolecule, from which polymeric chains branch out, the bond between the nodes and the branches being a carbon-carbon bond.Type: GrantFiled: March 18, 2008Date of Patent: March 12, 2013Assignee: Polimeri Europa S.p.A.Inventors: Gian Tommaso Viola, Luca Soddu, Fabio Bacchelli
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Patent number: 8389619Abstract: A poly(ether-ketone) composite of the formula: wherein DND is detonation nanodiamond particle; wherein Ar represents ether-ketone repeating groups of the formula wherein Q is —O— or —O—(CH2)n—O—, wherein n has a value of 2-12; wherein R is —H, —CH3, or —C2H5, m has a value of 1 or 2; wherein R? is —H or —CH3; and wherein — denotes the presence of a direct C—C bond between Ar and DND. Also provided is a process for preparing the nanocomposites.Type: GrantFiled: February 5, 2009Date of Patent: March 5, 2013Assignee: The United States of America as represented by the Secretary of the Air ForceInventors: Loon-Seng Tan, David H. Wang
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Patent number: 8388869Abstract: Disclosed is a thermally conductive resin composition including (A) about 40 to about 70% by weight of polyphenylene sulfide based resin; (B) about 20 to about 30% by weight thermally conductive graphite; and (C) about 10 to about 30% by weight milled pitch based carbon fiber. The resin composition can have excellent thermal conductivity by improving thermal conductivity in a plane-direction and thermal conductivity in a Z-direction and also can have commercially usable impact strength.Type: GrantFiled: December 28, 2011Date of Patent: March 5, 2013Assignee: Cheil Industries Inc.Inventors: Chan Gyun Shin, Jeong Won Lee, Jong Cheol Lim, Eun Joo Lee
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Patent number: 8383732Abstract: A static resistant synthetic inter-connectable structural formulation which can support vehicles, heavy equipment, drilling rigs while providing static charge dissipation, resistance to corrosive materials consisting of polyethylene; polyethylene terephthalate, styrene-butadiene rubber; an antistatic material that partially protrudes through a formed outer surface of the formulation; and an ultraviolet stabilizer material.Type: GrantFiled: June 17, 2011Date of Patent: February 26, 2013Assignee: HB Green Resources, LLCInventor: Mark L. Phillips
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Publication number: 20130030108Abstract: Carbon black includes primary particles having an average particle size of 15 to 40 nm, microprotrusions having an average length of 2 to 10 nm being formed on a surface of the primary particles. A method for producing carbon black includes introducing an oxygen-containing gas and fuel into a fuel combustion zone, mixing and combusting the oxygen-containing gas and the fuel to produce a high-temperature combusted gas stream, introducing a raw material hydrocarbon in a first stage of a raw material introduction zone and introducing the raw material hydrocarbon and an oxygen-containing gas in a second stage of the raw material introduction zone while introducing the high-temperature combusted gas stream into the raw material introduction zone to produce a carbon black-containing gas which is introduced into a reaction termination zone while spraying a coolant.Type: ApplicationFiled: February 1, 2011Publication date: January 31, 2013Applicant: TOKAI CARBON CO., LTD.Inventors: Ryusuke Harada, Takeshi Akahane
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Patent number: 8357741Abstract: The present invention relates to a polymer composition which absorbs infrared (IR) radiation, containing a transparent thermoplastic plastic, an inorganic infrared absorber and at least one inorganic nano-scale pigment, and to the preparation and use of the polymer compositions according to the invention, and to products produced therefrom. In particular, the present invention relates to polymer compositions comprising a. at least one transparent thermoplastic material; b. at least one inorganic IR absorber which comprises a tungsten compound and wherein the IR absorber is present in an amount of from 0.0075 wt. % to 0.0750 wt. %, calculated as solids content of tungstate in the total composition; and c. at least one inorganic, nano-scale pigment present in an amount of from 0.0005 wt. % to 0.0035 wt. %, based on the total composition; and d. optionally further additives.Type: GrantFiled: May 10, 2011Date of Patent: January 22, 2013Assignee: Bayer MaterialScience AGInventors: Alexander Meyer, Gunther Stollwerck, Jörg Reichenauer, Andrea Scagnelli, Gianmaria Malvestiti, Massimo Tironi
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Patent number: 8349932Abstract: Disclosed is a polyamide composition including at least one semi-aromatic copolyamide, said semi-aromatic copolyamide consisting essentially of about 25 to about 55 mole percent repeat units of the formula —C(O)(CH2)mC(O)NHCH2ArCH2NH—??(I) and about 45 to about 75 mole percent repeat units of the formula —C(O)(CH2)mC(O)NH(CH2)nNH—??(II) wherein m is 8, 10, and/or 12, n is 6, 10 and/or 12 and Ar is a meta-substituted benzene ring; and said polyamide has a melting point equal to or less than 225° C.; and 0.25 to 20 weight percent of one or more polyhydroxy polymer(s) having a number average molecular weight of at least 2000 and selected from the group consisting of ethylene/vinyl alcohol copolymer and poly(vinyl alcohol). Also disclosed are molded or extruded articles including the polyamide composition.Type: GrantFiled: January 28, 2011Date of Patent: January 8, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Shailesh Ratilal Doshi, Annakutty Mathew, Marvin M. Martens
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Patent number: 8349934Abstract: The present invention is directed to a hardening composition comprising silica fine particles (a), a (meth)acrylate (b) having two or more ethylenically unsaturated groups and being free from cyclic structure, a (meth)acrylate (c) having an ethylenically unsaturated group and having an alicyclic structure, a polymerization initiator (d) and black inorganic fine particles (e), wherein the silica fine particles (a) are surface-treated with a silane compound (f) represented by the following general formula (1) and a silane compound (g) represented by the following general formula (2): (in the formula (1), R1 represents a hydrogen atom or a methyl group, R2 represents an alkyl group having 1 to 3 carbon atoms or a phenyl group, R3 represents a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms; q represents an integer of 1 to 6; and r represents an integer of 0 to 2, (in the formula (2), R4 is an alkyl group having 1 to 3 carbon atoms or a phenyl group which may have a substituent; RType: GrantFiled: December 10, 2009Date of Patent: January 8, 2013Assignee: Showa Denko K.K.Inventors: Katsumi Murofushi, Nobuaki Ishii, Shigeru Yamaki, Hideo Miyata, Yotaro Hattori
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Patent number: 8349942Abstract: Described herein is an intermediate transfer member that includes a layer of phenoxy resin having dispersed therein graphene particles.Type: GrantFiled: May 10, 2011Date of Patent: January 8, 2013Assignee: Xerox CorporationInventors: Michael S. Roetker, Francisco J. Lopez, Kyle B. Tallman, Jonathan H. Herko, David W. Martin, Scott J. Griffin, Mandakini Kanungo, Yuhua Tong