Solid Polymer Derived From Monomer Containing Two Or More Ethylenic Groups Patents (Class 524/525)
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Publication number: 20090124751Abstract: A two-part moisture-curable resin composition comprises: a) a first part substantially free of moisture comprising: (1) moisture-curable silylated resin and, (2) optionally, one or more additional components selected from the group consisting of plasticizer, solvent, thixotropic agent, particulate material, moisture scavenger, isocyanate scavenger, crosslinker, adhesion promoter, U.V. stabilizer and antioxidant; and, b) a second part comprising: (1) water in an amount sufficient to cure moisture-curable silylated resin (a)(1); (2) at least one plasticizer and/or particulate material, (3) nonionic surfactant in an amount sufficient to provide a stable emulsion of plasticizer (b)(2), if present, and a stable suspension of particulate material (b)(2), if present, (4) optionally, one or more additional components selected from the group consisting of solvent, thixotropic agent, pH adjuster, U.V.Type: ApplicationFiled: November 14, 2007Publication date: May 14, 2009Inventors: Gary M. Lucas, Patrice J. Lehmann
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Patent number: 7531615Abstract: A polycarbonate such as aliphatic/aromatic polycarbonate comprises repeating structural carbonate units of the formula (H-1): in which Rh is a radical having the formula (H-2): wherein each of R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, and R28 is independently a hydrogen, a C1-C6 alkyl group, or a halogen substituted C1-C6 alkyl group. The polycarbonate, and a thermoplastic composition thereof, have improved thermal stability, cost-effectiveness, and exhibit improved manufacturability such as, for example, minimum cyclic carbonate formation and minimum amine acceptor requirement.Type: GrantFiled: January 4, 2006Date of Patent: May 12, 2009Assignee: SABIC innovative Platics IP B.V.Inventors: Gary C. Davis, James A. Mahood, James M. Silva, Joshua J. Stone
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Publication number: 20090115108Abstract: Disclosed is an ethylene-propylene-diene terpolymer having isotactic polypropylene crystallinity compounded with a blend rubber wherein the terpolymer can be present in an amount effective to improve tack, aged tensile strength retention, fatigue resistance, ozone cracking resistance, and reversion resistance. Also disclosed is an elastomer composition wherein the terpolymer can have at least 60 wt % propylene-derived units, at least 6 wt % ethylene-derived units and from 0.3 to 10 wt % diene-derived units, and a tire sidewall composition comprising from 10 to 30 phr terpolymer, from 20 to 60 phr natural rubber, from 20 to 60 phr polybutadiene rubber, and an optional secondary blend rubber. Also disclosed is a vulcanizate of the elastomer composition, and articles, tire sidewalls, tires, retreaded tires, bias truck tires, off-road tires, and passenger automobile tires made with the vulcanizate. Further disclosed are processes for making molded articles and tires, and for retreading tires.Type: ApplicationFiled: November 2, 2007Publication date: May 7, 2009Inventors: Michael B. Rodgers, Sunny Jacob, Michael C. Bulawa, Bharat B. Sharma, Nitin K. Tambe
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Patent number: 7524894Abstract: A flexible resin composition comprises poly(arylene ether) resin, syndiotactic polystyrene, olefin elastomer, hydrogenated styrene-butadiene copolymer, and a non-halogen fire retardant.Type: GrantFiled: November 13, 2003Date of Patent: April 28, 2009Assignee: Sabic Innovative Plastics IP B.V.Inventors: Sho Sato, Hiroshi Kubo
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Publication number: 20090099286Abstract: The present invention relates to a stabilizer bar bush rubber composition comprising an ethylene-propylene rubber, a peroxide crosslinking agent, a crosslinking promoter, an activator, an antiaging agent, a filler. The present invention provides a stabilizer bar bush with improved heat resistance and lubricant blooming at high temperature by adjusting polymer composition of the rubber composition, crosslinking density, kind and content of activator and filler, for example.Type: ApplicationFiled: December 31, 2007Publication date: April 16, 2009Applicant: Hyundai Motor CompanyInventor: Jong Min Park
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Publication number: 20090096130Abstract: A compound is described including one or more polymer (A) selected from propylene-ethylene block copolymers (A1), propylene homopolymers (A2) and a combination of copolymers (A1) and/or homopolymers (A2), at 30% to 90% by weight; one or more copolymer (B) selected from ethylene-alpha-olefin random copolymers (B1), hydrogenated styrene-ethylene-butadiene-styrene block copolymers (B2), ethylene-alpha-olefin block copolymers (B3), and a combination of two or more of copolymers (B1), copolymers (B2), and/or optional copolymers (B3), at 0% to 50% by weight; one or more mineral filler (C) at 0% to 30% by weight; one or more surface modifier (D) at 0% to 5% by weight; one or more additive (E) at 0% to 5% by weight; and one or more colorant (F) at 0% to 10% by weight. Associated articles and methods are also described.Type: ApplicationFiled: September 26, 2008Publication date: April 16, 2009Applicant: ADVANCED COMPOSITES, INC.Inventors: Frank E. Jones, III, Jason Fincher
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Patent number: 7514497Abstract: According to the invention a body may be produced in plastic, in particular by means of rotational casting method, by using a suspension or paste with plastic particles, comprising at least partly a thermoplastic elastomer, in particular SEBS, SBS or TPU. Said invention presents the advantage of no danger to health.Type: GrantFiled: October 8, 2001Date of Patent: April 7, 2009Assignee: C.H. Erbsloeh KGInventor: Gerhard Barich
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Publication number: 20090076209Abstract: The present invention is directed to a thermoplastic elastomer composition comprising a thermoplastic polyolefine, an elastomer and oil whereby the composition comprises less than 15% by weight of the thermoplastic polyolefine, relative to the total weight of the thermoplastic elastomer composition, the elastomer is peroxide vulcanized and the weight ratio oil/elastomer is above 1.5. Preferably the elastomer is a copolymer of ethylene, propylene (EPM) or a copolymer of ethylene, propylene and a third monomer (EPDM) or a mixture of EPDM and EPM. The thermoplastic polyolefine is preferably polyethylene, polypropylene or a mixture thereof.Type: ApplicationFiled: November 7, 2008Publication date: March 19, 2009Applicant: DSM IP Assets B.V.Inventor: Albertus O. DOZEMAN
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Publication number: 20090048390Abstract: A nano-particle composition including a poly(alkenylbenzene) core and a poly(conjugated diene), a poly(alkylene), or a poly(alkenylbenzene) surface layer is provided. The nano-particles have a mean average diameter of less than about 100 nm. The nano-particles can be modified via, for example, hydrogenation or functionalization. The nano-particles can be advantageously be incorporated into rubbers, elastomers, and thermoplastics.Type: ApplicationFiled: November 16, 2007Publication date: February 19, 2009Inventors: Xiaorong Wang, Chenchy Jeffrey Lin, James Hall, Sandra Warren, James Krom, Hajime Kondo, Koichi Morita
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Publication number: 20090026934Abstract: An adhesive encapsulating composition and an encapsulating film, which are useful as an encapsulant for an organic electroluminescence device or other electronic devices is provided. The adhesive encapsulating composition includes a hydrogenated cyclic olefin-based polymer and a polyisobutylene resin having a weight average molecular weight of 500,000 or more. Some embodiments of the adhesive encapsulating•composition include a hydrogenated cyclic olefin-based polymer, a polyisobutylene resin having a weight average molecular weight of 500,000 or more, a photocurable resin, and a photopolymerization initiator.Type: ApplicationFiled: January 23, 2007Publication date: January 29, 2009Inventors: Jun Fujita, Takashi Yamasaki, Hideki Minami, Nami Kobori
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Publication number: 20090018255Abstract: A composition for reducing fugitive dust for spray paint according to the present invention comprises 5 to 23 parts by weight of a natural rubber, 1 to 10 parts by weight of a filler, 1 to 10 parts by weight of an adhesive agent, 1 to 3 parts by weight of a coupling agent, 1 to 3 parts by weight of a stabilizer, and 20 to 95 parts by weight of a solvent for dissolving the foregoing components. A spray paint compound for reducing fugitive dust may be prepared by mixing conventional paint for spraying with 3 to 10% by weight of said composition for reducing fugitive dust.Type: ApplicationFiled: August 28, 2006Publication date: January 15, 2009Inventor: Hee Young Kim
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Publication number: 20090017216Abstract: Compositions for damping the vibration of mechanical components, such as those used in vehicles, are disclosed and described. The compositions comprise resin blends that are semi-compatible and which are blended to form a micro-phase separation.Type: ApplicationFiled: May 8, 2008Publication date: January 15, 2009Inventors: Frank Hoefflin, Hua Ning, Patricia Heidtman
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Publication number: 20090000711Abstract: The invention relates to a sulfur-cross-linkable rubber mixture, which contains 20-80 phr of at least one solution polymerized styrene-butadiene copolymer A, whose end groups at least are chemically modified with a nitrogen containing compound, and 20-80 phr of at least one other solution polymerized styrene-butadiene copolymer B, which has coupling centers with epoxide groups, in particular for good tire properties and good breaking behavior.Type: ApplicationFiled: September 3, 2008Publication date: January 1, 2009Inventors: Christian Strubel, Dietmar Sohnen
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Publication number: 20080314484Abstract: A rubber composition for a tire having improved grip performance on an ice snow road surface while maintaining abrasion resistance performance, containing 5 to 150 parts by mass of an aromatic vinyl polymer and 5 to 200 parts by mass of silica based on 100 parts by mass of a diene-based rubber component containing not less than 20% by mass of a natural rubber and not less than 5% by mass of polybutadiene. It is preferable that a cis content of the polybutadiene is not less than 93%, and a weight average molecular weight of the aromatic vinyl polymer is 300 to 10000.Type: ApplicationFiled: June 10, 2008Publication date: December 25, 2008Inventors: Kazuyuki Nishioka, Hiroyuki Kishimoto, Kazuo Hochi, Katsumi Terakawa
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Publication number: 20080319116Abstract: Polyolefin block and graft copolymers comprised of two or more semicrystalline polyolefin blocks or grafts and one or more amorphous polyolefin blocks can be blended with a low molecular weight fluid diluent that preferentially locates within and swells the amorphous domains of the block or graft copolymer, while preserving the crystallinity of the semicrystalline block domains. After mechanical or thermomechanical processing, such compositions combine softness with high strength and high recoverable elasticity. Compositions are also disclosed whereby the diluent species is removed from the composition, either before or after the mechanical or thermomechanical processing, in order to create a strong elastic material with an ultra-low entanglement density within the amorphous domains.Type: ApplicationFiled: April 8, 2008Publication date: December 25, 2008Inventors: Glenn H. Fredrickson, Edward J. Kramer, Zhigang Wang
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Publication number: 20080289740Abstract: This invention relates to a rubber composition having a high storage modulus (G?) and a low loss tangent (tan ?), and more particularly to a rubber composition comprising 2 to 60 parts by mass of a low-molecular weight aromatic vinyl compound-conjugated diene compound copolymer (B) having an aromatic vinyl compound content of 5 to 80% by mass, a vinyl bond content in a conjugated diene compound portion of 5 to 80% by mass, a weight average molecular weight as measured through a gel permeation chromatography and converted to polystyrene of 5,000 to 500,000 and at least one functional group based on 100 parts by mass of a rubber component (A) composed of at least one of natural rubber and synthetic diene-based rubbers.Type: ApplicationFiled: February 23, 2006Publication date: November 27, 2008Applicant: Bridgestone CorporationInventors: Noriko Mori, Eiji Suzuki, Kouji Masaki
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Publication number: 20080287597Abstract: The invention relates to a polypropylene composition a heterophasic propylene copolymer, an elastomeric copolymer and inorganic filler and to a method for producing the propylene composition using peroxides. The composition is characterised by a combination of excellent impact strength, stiffness, elasticity and surface stability.Type: ApplicationFiled: June 17, 2005Publication date: November 20, 2008Inventors: Tung Pham, Norbert Reichelt, Manfred Stadlbauer
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Patent number: 7435781Abstract: Electrical insulation compounds are disclosed, the insulation compounds including an ethylene polymer comprising at least 40 wt % ethylene-derived units and having a density of ?0.91 g/cm3 and a propylene polymer comprising at least 75 wt % propylene-derived units and having an isotactic propylene triad tacticity of from 65% to 99%. Also disclosed are electrical devices including the electrical insulation compounds.Type: GrantFiled: October 5, 2004Date of Patent: October 14, 2008Assignee: ExxonMobil Chemical Patents Inc.Inventors: Narayanaswami Raja Dharmarajan, Sudhin Datta
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Patent number: 7413784Abstract: A thermoplastic vulcanizate comprising a dynamically-cured rubber, a thermoplastic polymer, and at least 2 percent by weight, based on the total weight of the thermoplastic vulcanizate, of a polyalphaolefin oligomer, where the polyalphaolefin oligomer is characterized by a kinematic viscosity per ASTM D445 at 100° C. of at least 35 cSt.Type: GrantFiled: June 19, 2006Date of Patent: August 19, 2008Assignee: Advanced Elastomer Systems, L.P.Inventor: Trazollah Ouhadi
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Publication number: 20080194756Abstract: A thermoplastic composition comprising in combination a polycarbonate, an impact modifier composition comprising ABS or BABS, a second impact modifier different from BABS or ABS, an aromatic vinyl copolymer, and a gel-type low gloss additive, wherein the 60° gloss of the thermoplastic composition is measured to be less than or equal to 11.3 GU on 3 millimeter chips having a textured surface when measured according to ASTM D2457, and wherein a molded sample of the thermoplastic composition has a low temperature notched Izod impact at ?40° C. of at least 30 KJ/m2 when measured according to ISO 180/1A is disclosed. The composition has low gloss and a significantly improved balance of properties.Type: ApplicationFiled: February 12, 2007Publication date: August 14, 2008Applicant: General Electric CompanyInventor: James Louis DeRudder
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Patent number: 7411017Abstract: A thermoplastic elastomer excellent in rubber elasticity and extrudability and a molded object thereof. The thermoplastic elastomer comprises a partly or wholly crosslinked rubber (A), an isotactic polypropylene (B) having an isotactic pentad content of 0.8 or higher, a syndiotactic polypropylene (C) having a syndiotactic pentad content of 0.6 or higher, and a softener (D), the content of the syndiotactic of the syndiotactic polypropylene (C) being in the range of 0.5 to 10 wt. % based on the sum of the crosslinked rubber (A), isotactic polypropylene (B), syndiotactic polypropylene (C), and softener (D), the thermoplastic elastomer having a melt flow rate of 0.01 to 1000 g/10 min as measured in accordance with ASTMD 1238 at 230° C. under a load of 10 kg. The molded object is obtained by extrusion-molding the elastomer.Type: GrantFiled: August 26, 2003Date of Patent: August 12, 2008Assignee: Mitsui Chemicals, Inc.Inventor: Tadashi Imai
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Patent number: 7405256Abstract: There is provided a run flat tire having a side reinforcing layer in which low exothermic property and high hardness are compatible and durability is improved. A rubber composition containing 10 to 100 parts by weight of carbon black with a nitrogen adsorption specific area of 30 to 100 m2/g and a dibutyl phthalate oil absorption amount of 50 ml/100 g or more and 2 parts by weight or more of sulfur or a sulfur compound, based on 100 parts by weight of a rubber component containing 10 to 50% by weight of a conjugated diolefin polymer or a copolymer of a diolefin and an aromatic vinyl compound having a primary amino group and an alkoxysilyl group and having a glass transition point of ?30° C. or less in which a bifunctional or more monomer is copolymerized in a polymer chain and/or at least a portion of a (co)polymer chain is coupled with a bifunctional or more coupling agent, and a run flat tire having a side reinforcing layer comprising the rubber composition.Type: GrantFiled: April 14, 2006Date of Patent: July 29, 2008Assignee: Sumitomo Rubber Industries, Ltd.Inventor: Kazuo Hochi
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Publication number: 20080149245Abstract: The invention is directed to a process for the production of a pneumatic tire comprising a component comprising a rubber composition, wherein the rubber composition comprises 100 parts by weight of elastomer and is produced by (A) mixing a first composition comprising 30 to 110 phr of a silica filler and 20 to 90 phr of a diene based elastomer selected from cis 1,4-polyisoprene rubber (natural or synthetic), 3,4-polyisoprene rubber, styrene/isoprene/butadiene rubber, emulsion and solution polymerization derived styrene/butadiene rubbers, and cis 1,4-polybutadiene rubbers, to form a first nonproductive compound; (B) mixing a second composition comprising from 10 to 80 phr of a rubber containing a nitrile moiety and the first productive compound to form a second nonproductive compound; and (C) mixing a third composition comprising curatives and the second nonproductive compound to form a productive compound.Type: ApplicationFiled: October 31, 2007Publication date: June 26, 2008Inventors: Georges Marcel Victor Thielen, Uwe Ernst Frank, Frank Schmitz
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Patent number: 7381768Abstract: Disclosed is a composition comprising a hydrophobic polymer phase and a water-swollen superabsorbent polymer phase. Also disclosed is a two component system for preparing a composition comprising a hydrophobic polymer phase and a water-swollen superabsorbent polymer phase. The first component is an emulsion of the hydrophobic polymer; the second component comprises the superabsorbent polymer; and the first and second components form the composition when mixed.Type: GrantFiled: April 27, 2004Date of Patent: June 3, 2008Assignee: W.R. Grace & Co. -Conn.Inventors: Robert A. Wiercinski, Xiudong Sun
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Patent number: 7381765Abstract: A composition of fluoropolymer and dispersed conductive particulate provides an electrically conductive polymeric material resistant to static charge buildup. Radiation curing, especially electron beam radiation curing, is favored for curing fluoroelastomer-based precursor articles into desired electrically conductive articles.Type: GrantFiled: November 8, 2004Date of Patent: June 3, 2008Assignee: Freudenberg-NOK General PartnershipInventor: Edward Hosung Park
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Patent number: 7378465Abstract: A tire component including a tire tread that comprises a vulcanized rubber, a rubber filler, and a modified rubber, where the modified rubber i) contains pendent or functional groups that contain carboxylic acid or anhydride groups, ii) has pendently grafted thereto a polymerized metal salt of an unsaturated carboxylic acid, or iii) contains both i and ii. The use of such modified rubbers in tire components advantageously increases the G? of such components.Type: GrantFiled: April 4, 2002Date of Patent: May 27, 2008Assignee: Bridgestone CorporationInventors: Chenchy Jeffrey Lin, William Hergenrother, Daniel Graves, Georg G. A. Böhm
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Patent number: 7378464Abstract: There is provided a heavy duty tire made by using as a tread rubber a rubber composition obtained by compounding 100 parts by mass of a rubber component consisting of 90-30% by mass of (a) natural rubber and 10-70% by mass of (b) a solution-polymerized styrene-butadiene copolymer rubber containing tin in at least one of a middle of a polymer molecular chain and a terminal of the molecular chain and having a bound styrene content of 28-45% by mass and a vinyl bond content in a butadiene portion of less than 30 mol % with 40-60 parts by mass in total of (c) carbon black and (d) silica, provided that an amount of (d) silica as a filler is 5-20 parts by mass. In the heavy duty tire, the resistance to uneven wear is considerably improved without damaging the heat buildup and wear resistance.Type: GrantFiled: October 21, 2003Date of Patent: May 27, 2008Assignee: Bridgestone CorporationInventor: Hirofumi Aoki
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Patent number: 7351760Abstract: The present invention provides a thermoplastic resin composition including specific amounts of (A) a polypropylene resin, (B) an elastomer, (C) inorganic filler, (D) a resin having a melt tension of 0.1 N or more and a swelling ratio of 1.8 or more and being characterized by that the time required for the resin until the ratio (G(t)/G(0.02)) of a relaxation modulus G(t) measured at 210° C. to a relaxation modulus G(0.02) at a time of 0.02 sec reaches 0.01 is 10 sec or more, and (E) a resin characterized by that, with respect to a swelling ratio measured at 220° C. at an L/D of an orifice of 40, the ratio of a swelling ratio (SR103) at a shear rate of 2.4×103 sec?1 to a swelling ratio (SR102) at a shear rate of 1.2×102 sec?1, SR103/SR102, is from 1.0 to 1.1.Type: GrantFiled: October 29, 2003Date of Patent: April 1, 2008Assignee: Sumitomo Chemical Company, LimitedInventors: Kenichi Ohkawa, Moriyasu Shimojo
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Publication number: 20080050568Abstract: The invention provides a tape film backing including a mixing layer comprising 40-60 parts by weight of PE and 60-40 parts by weight of EPDM rubber and a PE layer. The invention also provides a tape with an adhesive layer coated on the mixing layer or the PE layer of the tape film backing. The tape and the film backing is a halogen-free eco-material possessing superior physical properties as well as fine electrical insulating properties.Type: ApplicationFiled: August 24, 2007Publication date: February 28, 2008Inventors: Lucky Lee, Tai Hsun Lee, Ching-Chih Lai, Yan-sheng Yang
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Patent number: 7329697Abstract: The present invention includes compositions suitable for tire treads or sidewalls and other articles where abrasion resistance and flexibility are desirable. The invention includes a tire tread or sidewall made by combining a filler; a sulfur cure system; optionally at least one secondary rubber; and at least one halogenated terpolymer of C4 to C8 isoolefin derived units, C4 to C14 multiolefin derived units, and p-alkylstyrene derived units. Examples of suitable fillers include carbon black, silica, and combinations thereof. The present invention also includes a method of producing an elastomeric terpolymer composition comprising combining in a diluent C4 to C8 isoolefin monomers, C4 to C14 multiolefin monomers, and p-alkylstyrene monomers in the presence of a Lewis acid and at least one initiator to produce the terpolymer.Type: GrantFiled: December 9, 2002Date of Patent: February 12, 2008Assignee: ExxonMobil Chemical Patents Inc.Inventors: Walter Harvey Waddell, David Yen-Lung Chung
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Patent number: 7326748Abstract: The subject invention discloses a thermoplastic composition which is comprised of a blend of a thermoplastic resin and an elastomer, wherein said thermoplastic resin is selected from the group consisting of polyphenylene ether and polystyrene, wherein said elastomer is comprised of a conjugated diene selected from 1,3-butadiene and isoprene, wherein said elastomer is highly branched, wherein said elastomer is characterized by having a G? and G? frequency crossover of no more than 4 radians/s at 100° C., wherein the thermoplastic resin is present in an amount which is within the range of about 5 parts by weight to about 95 parts by weight, and wherein the elastomer is present in an amount which is within the range of about 5 parts by weight to about 95 parts by weight, based upon the total weight of the thermoplastic composition.Type: GrantFiled: June 14, 2004Date of Patent: February 5, 2008Assignee: The Goodyear Tire & Rubber CompanyInventors: Manoj Ajbani, Christopher Kiehl, Thierry Florent Edme Materne
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Patent number: 7297743Abstract: The object of the present invention is to significantly improve weather resistance over a long period of time of the cured product of the invention, while maintaining physical properties, such as tensile properties and rubber-like elasticity, at levels required of sealing compositions for use in general buildings. The curable composition of the invention is a curable composition which comprises a vinyl polymer having a reactive silicon containing group (a), such as a (meth) acrylic polymer having a reactive silicon containing group, a polyoxyalkylene polymer having a reactive silicon containing group (b), such as a polyoxypropylene having a reactive silicon containing group, and a plasticizer having an acrylic component (c), such as an acrylic polymer, and is reacted and crosslinked in the presence of moisture to provide a rubbery cured product.Type: GrantFiled: April 19, 2002Date of Patent: November 20, 2007Assignee: Kaneka CorporationInventors: Yuka Kanamori, Junji Takase
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Patent number: 7268185Abstract: Disclosed is a thermoplastic resin composition that contains specific amounts of polypropylene resin (A), elastomer (B), inorganic filler (C) and resin (D) which is composed of 60 to 80% by weight of a first segment which is a propylene homopolymer or a propylene-ethylene random copolymer and has an intrinsic viscosity, measured in tetralin at 135° C., of 5 dl/g or more and 20 to 40% by weight of a second segment which is a propylene homopolymer or a propylene-ethylene random copolymer and has an intrinsic viscosity, measured in tetralin at 135° C., of 0.8 to 1.2 dl/g.Type: GrantFiled: September 17, 2004Date of Patent: September 11, 2007Assignee: Sumitomo Chemical Company, LimitedInventors: Moriyasu Shimojo, Ryoji Matunaga, Tsuyoshi Watanabe
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Patent number: 7250465Abstract: This invention relates to a rubber composition which contains a block copolymer and a tire having at least one component comprised of such rubber composition. In one aspect of the invention, such rubber composition is comprised of a combination of at least one diene-based elastomer and liquid polymer comprised of a central polyalkylene polymer block, a first terminal hydroxyl group positioned on one end of said polyalkylene polymer block comprised of at least one primary hydroxyl group and a second terminal group positioned on the opposite end of said polyalkylene polymer block comprised of an epoxidized polyisoprene block or a hydrogenated polyisoprene block. The diene-based elastomer may be, for example, cis 1,4-polyisoprene natural rubber and/or other diene-based elastomer. The rubber composition contains reinforcement as carbon black and/or silica together with a coupling agent. The invention further relates to a tire having a tread of such rubber composition.Type: GrantFiled: August 19, 2004Date of Patent: July 31, 2007Assignee: The Goodyear Tire & Rubber CompanyInventor: Paul Harry Sandstrom
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Patent number: 7244510Abstract: The invention relates to a water-dispersible composition for making a water repellent paper with a low permeability for moisture. The composition comprises components (A) to (H), in the following amounts by dry weight (wt): (A) 5 to 89 wt % of polyvinyl butyral (PVB), (B) 1 to 20 wt % of styrene maleic imide (SMI), (C) 5 to 50 wt % of ethylene acrylate, (D) 0 to 20 wt % of polyvinyl alcohol or starch, (E) 0 to 7 wt % of wax, (F) 0 to 6 wt % of styrene maleic anhydride copolymer (SMA), (G) 0 to 70 wt % of styrene butadiene (SB) latex and (H) 0 to 70 wt % of talc. The invention further relates to an easily macerating moisture-proof paper comprising a base paper having coated on at least one surface thereof a layer of an aqueous emulsion comprising a water-dispersible composition, wherein the solid content in the aqueous emulsion is from 30 to 65 % by weight.Type: GrantFiled: September 4, 2003Date of Patent: July 17, 2007Assignee: Ciba Specialty Chemicals CorporationInventors: Henk Jan Frans Van Den Abbeele, Tomi Kimpimäki
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Patent number: 7179852Abstract: The invention relates to a novel impact-resistance modifier, constructed from a core-shell 1 and a shell 2, whereby the core is plastically deformable. The invention is characterised by excellent mechanical properties obtained by a low content of impact-resistance modifier.Type: GrantFiled: July 26, 2001Date of Patent: February 20, 2007Assignee: Roehm GmbH & Co. KGInventors: Klaus Schultes, Thomas Suefke, Reiner Mueller, Thomas Arndt, Goerg Michler, Joachim Laatsch
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Patent number: 7163978Abstract: A waterborne coating composition comprising fine polymer particles dispersed in an aqueous medium and an inorganic filler, wherein the fine polymer particles comprise (A) 50 to 90% by weight of synthetic rubber polymer particles containing 50 to 90% by weight of a repeating unit derived from a conjugated diolefin monomer and having a glass transition temperature of ?20° C. or lower and (B) 10 to 50% by weight of acrylic polymer particles containing 50% by weight or more of a repeating unit derived from an acrylic ester and/or a methacrylic ester and having a glass transition temperature of 0° C. or lower.Type: GrantFiled: March 20, 2003Date of Patent: January 16, 2007Assignee: Nippon Carbide Kogyo Kabushiki KaishaInventors: Yoshihiro Maeyama, Shinobu Nakagawa, Masami Uemae
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Patent number: 7125919Abstract: A tinting composition containing a colorant component is disclosed. In addition, a method of improving the viscosity stability of a composition upon the addition of a colorant component employing an associative thickener, a macromolecular organic compound having a hydrophobic cavity, a dispersing resin and combinations thereof is disclosed.Type: GrantFiled: April 4, 2003Date of Patent: October 24, 2006Assignee: Rohm and Haas CompanyInventors: Jerome Michael Harris, Henry Jude Eichman, Ronald Carl Faulk
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Patent number: 7094828Abstract: An olefin thermoplastic elastomer composition which is superior in the resistance to oils, heat resistance, formability and flexibility is provided, said elestomer composition comprising the components (A) 40–90 parts by weight of a polypropylene resin having a melt flow rate (determined at 230 ° C. under a load of 2.16 kg according to ASTM D 1238) of 0.1–5 g/10 minutes, (B) 10–60 parts by weight of a copolymer rubber based on olefin, the contents of the components (A) and (B) summing up to 100 parts by weight, and (C) 20–150 parts by weight of a softener, wherein the composition is in such a cross-linked state that the gel content thereof amounts to 97% by weight or higher.Type: GrantFiled: July 22, 2002Date of Patent: August 22, 2006Assignee: Mitsui Chemicals, Inc.Inventors: Kyoko Kobayashi, Hiroyasu Yamaoka, Yuichi Itoh, Akira Uchiyama
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Patent number: 7091275Abstract: An aqueous polymeric composition containing select polymeric nanoparticles is provided. The select polymeric nanoparticles contain as polymerized units at least one multiethylenically unsaturated monomer and at least one water soluble monomer; and have a mean diameter in the range of from 1 to 50 nanometers. Also provided are aqueous polymeric compositions that further contain second particles such as pigment particles or second polymer particles. The aqueous polymeric composition is useful for preparing coatings having at least one improved property compared to a coating absent the select polymeric nanoparticles. Further, the aqueous polymeric composition is useful for treating wood. A coating prepared from the aqueous polymeric composition is also provided.Type: GrantFiled: June 13, 2003Date of Patent: August 15, 2006Assignee: Rohm and Haas CompanyInventors: David Richard Amick, Wayne Devonport, Antony Keith Van Dyk, Catherine Ann Finegan, Joseph Michael Hoefler, Dennis Paul Lorah, Alvin Michael Maurice
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Patent number: 7091282Abstract: A composition suitable for forming a sidewall for a tire includes a rubber composition which includes at least one rubber, an ethylene/propylene/diene terpolymer, and a polyalkylene copolymer. The rubber may include one or more natural or synthetic rubbers, such as butadiene rubbers and isoprene rubbers. The ethylene/propylene/diene terpolymer preferably has an ethylene content of at least 60%. The polyalkylene copolymer may be a copolymer of a polyalkylene and an ?-olefin, which is formed in a polymerization reaction involving a single site catalyst. The polyalkylene copolymer preferably has a high degree of crystallinity, being preferably at least about 90% by weight ethylene, with a melting point in the range of 80° C.–120° C. The presence of such a copolymer in the rubber composition markedly increases the resistance to crack growth and formation of cracks in the tire sidewall.Type: GrantFiled: May 15, 2003Date of Patent: August 15, 2006Assignee: Bridgestone CorporationInventors: Zhong-Ren Chen, Christine M. Rademacher
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Patent number: 7084200Abstract: Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides, which contain, as a stabilizer, water-soluble, crosslinked graft polymers which are obtainable by free radical polymerization of compounds having at least two ethylenically unsaturated double bonds in the presence of polyalkylene glycols, are prepared by free radical polymerization of N-vinylcarboxamides in an aqueous medium in the presence of said stabilizers and are used as drainage aids, flocculants and retention aids, as wet and dry strength agents and as fixing agents in papermaking.Type: GrantFiled: November 19, 2002Date of Patent: August 1, 2006Assignee: BASF AktiengesellschaftInventors: Marc Leduc, Stefan Frenzel, Norbert Mahr
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Patent number: 7071261Abstract: An aqueous composition including an aqueous dispersion of polymeric nanoparticles having a mean diameter of from 1 to 50 nanometers, the particles including, as polymerized units, at least one multi-ethylenically-unsaturated monomer and at least one ethylenically unsaturated water soluble monomer is discloseded. Certain embodiments of the composition include pigment particles and other polymer particles. The aqueous compositions include aqueous coating compositions.Type: GrantFiled: June 13, 2003Date of Patent: July 4, 2006Assignee: Rohm and Haas CompanyInventors: Wayne Devonport, Ralph Craig Even, Ann Robertson Hermes, Dennis Paul Lorah, Joseph David Tanzer, Antony Keith VanDyk
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Low fogging thermoplastic elastomer composition and manufacturing method and use of same composition
Patent number: 7049356Abstract: This invention relates to a perfectly or partially crosslinked olefinic thermoplastic elastomer composition which comprises 10 to 90 parts by weight of a crystalline polyolefin (a), 90 to 10 parts by weight of an olefin-based copolymer rubber (b) (the total amount of the components (a) and (b) being 100 parts by weight) and 3 to 100 parts by weight of a paraffinic mineral oil softening agent (c) having an evaporation loss of 0.4% by weight or less at a condition of 200° C., atmospheric pressure and 1 hour and having a kinetic viscosity (40° C.Type: GrantFiled: February 9, 2001Date of Patent: May 23, 2006Assignee: Mitsui Chemicals, Inc.Inventors: Yuichi Itoh, Kunihiko Mizumoto, Hiroyasu Yamaoka, Akira Uchiyama -
Patent number: 6951899Abstract: To provide a method for producing a blend composition of an acrylic type polymer having an excellent mechanical characteristic as well as a low temperature characteristic, and to provide a blend composition of an acrylic type polymer, and also to provide a blend composition of an acrylic type polymer for sealing materials having an excellent abrasion resistance which is important for sealing materials. To prepare a blend composition of an acrylic type polymer by co-precipitation after mixing (A) an aqueous latex of a copolymer—showing about ?10° C. to ?65° C. of a glass transition temperature Tg—obtained by emulsion polymerization or suspension polymerization of at least one of an acrylic ester and methacrylic ester with a vinyl monomer containing crosslinking group with (B) an aqueous latex of copolymer—showing about 0° C.Type: GrantFiled: March 10, 2003Date of Patent: October 4, 2005Assignee: NOK CorporationInventor: Seiji Nakagome
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Patent number: 6897252Abstract: Disclosed is a chipping resistance-imparting aqueous dispersion composition comprising a nonvolatile component (film-forming component) dispersed in water, said nonvolatile component containing an olefin thermoplastic elastomer or a styrene/conjugated diene block copolymer or its hydrogenation product. A coating film obtained by the use of the aqueous dispersion composition as an aqueous primer or an additive to a water paint is excellent in chipping resistance as well as in other properties such as film appearance, adhesion properties, heat resistance, moisture resistance and gasoline resistance.Type: GrantFiled: July 27, 2001Date of Patent: May 24, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Hideo Arikawa, Suguru Tokita
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Patent number: 6892774Abstract: A rubber composition for a tire comprising 100 parts by weight of diene rubber and 1 to 30 parts by weight of expandable graphite having a particle size of 30 to 600 ?m.Type: GrantFiled: March 27, 2003Date of Patent: May 17, 2005Assignee: The Yokohama Rubber Co., Ltd.Inventors: Makio Mori, Takeshi Hotaka
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Patent number: 6875813Abstract: The improved green strength, green elongation, and green relaxation properties of isobutylene-based elastomers at elevated temperatures along with improved aging and barrier properties are achieved by blending semi-compatible, semi-crystalline copolymers with the isobutylene elastomers. The semi-crystalline copolymers are typically copolymers of ethylene and an alpha-olefin having from 4 to 16 carbon atoms. The improved properties are maintained in subsequent rubber compounds containing said blends and are particularly useful in tire and pharmaceutical container applications.Type: GrantFiled: April 26, 2001Date of Patent: April 5, 2005Assignee: ExxonMobil Chemical Patents Inc.Inventors: Andy H. Tsou, Ilan Duvdevani, Hsien-Chang Wang
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Patent number: 6875804Abstract: The syndiotactic polystirene resin composition according to the present invention is superior in compatibility between a syndiotactic polystyrene and a rubber component and mechanical properties such as impact strength, in which a syndiotactic polystyrene-maleic anhydride (sPS-MA) and a hydrogenated styrene/butadiene/styrene-maleic anhydride (SEBS-MA) are employed as compatibilizers and a diamine compound is added as a coupling agent. The compatibilizers and coupling agents improve polarity of both the syndiotactic polystyrene and the rubber component and impact strength of the syndiotactic polystyrene composition.Type: GrantFiled: December 18, 2000Date of Patent: April 5, 2005Assignee: Samsung Atofina Co., Inc.Inventors: Xuequan Zhang, Jae Gon Lim
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Patent number: 6867254Abstract: Disclosed is a composition comprising a hydrophobic polymer phase and a water-swollen superabsorbent polymer phase. Also disclosed is a two component system for preparing a composition comprising a hydrophobic polymer phase and a water-swollen superabsorbent polymer phase. The first component is an emulsion of the hydrophobic polymer; the second component comprises the superabsorbent polymer; and the first and second components form the composition when mixed.Type: GrantFiled: September 3, 2002Date of Patent: March 15, 2005Assignee: W.R. Grace & Co., - Conn.Inventors: Robert A. Wiercinski, Xiudong Sun