Entries |
Document | Title | Date |
20080281037 | Adhesive and Marking Compositions Made From Interpolymers of Ethylene/Alpha-Olefins - An adhesive composition comprises: (i) at least one ethylene/α-olefin interpolymer, (ii) at least one tackifÊer; and (iii) optionally at least one additive, such as a plasticizer, wax and antioxidant. Preferably, the ethylene/α-olefin interpolymer has a M | 11-13-2008 |
20090036595 | BONDING AGENTS AND SEALANTS BASED ON LIQUID RUBBERS - High-temperature-curing reactive compositions based on natural and/or synthetic elastomers containing olefinic double bonds, and on vulcanizing agents, are described, which contain at least one liquid polyene having a molecular weight between 400 and 80,000 and at least one liquid polybutadiene having a narrow molecular weight distribution and a microstructure of 10 to 20% vinyl-1,2 double bonds, 50 to 60% trans-1,4 double bonds, and 25 to 35% cis-1,4 double bonds in the molecule. These compositions furthermore contain a vulcanizing system of sulfur and accelerators and/or, if applicable, quinone oximes. These compositions are suitable for use as a single-component adhesive, sealant, or coating compound in automobile manufacture, with high tensile shear strength and high impact peel strength even, in particular, at low temperatures. | 02-05-2009 |
20090062455 | Rubber Composition For Tire And Its Producing Method - A rubber composition for tire, which combines low heat build-up properties and breakage property, reduces fuel consumption of a tire, and has excellent good processability is provided. The rubber composition for tire is obtained by blending sulfur and caprolactam disulfide with a diene rubber component to obtain a pre-mixture which does not contain a reinforcing filler and a vulcanization accelerator, and blending and mixing a reinforcing filler and a vulcanization accelerator with the pre-mixture in a post-mixing step. | 03-05-2009 |
20090062456 | LIQUID POLYMER - This invention discloses a process for manufacturing an elastomeric article by liquid injection molding, said process comprising the steps of: (I) heating a curable composition comprised of (1) a liquid polymer comprised of repeat units that are derived from a conjugated diolefin monomer, wherein said liquid polymer has a weight average molecular weight which is within the range of 5,000 to 100,000, and wherein the liquid polymer is functionalized with an amine moiety, (2) a carbonyl inhibited platinum catalyst, and (3) a tetrakis(dialkyl siloxy) silane crosslinking agent, to a temperature which is within the range of 30° C. to 100° C.; (II) injecting the heated curable composition into a mold at a temperature which is within the range of 100° C. to 210° C. to produce the elastomeric article; and (III) removing the elastomeric article from the mold. | 03-05-2009 |
20090156736 | ANTI-CORROSION COATINGS CONTAINING THIOAMIDE GROUPS - The present invention relates to new coating materials for atmospheric corrosion control. | 06-18-2009 |
20090203836 | Rubber compositions comprising coupling agents for mineral-filled elastomer compositions - A composition of matter is disclosed that comprises at least one silane coupling agent for coupling an elastomer and a filler wherein said silane comprises at least one hydrolysable group that, upon compounding said silane with said elastomer and filler, is released to yield a compound that improves downstream processability of the compounded composition or the properties of the final rubber product or both. | 08-13-2009 |
20090209698 | PROCESS FOR THE PREPARATION OF AN ARTIFICIAL LATEX - A process for the preparation of an aqueous rubber emulsion (artificial latex), comprising the steps:
| 08-20-2009 |
20090234066 | Rubber composition for tire comprising an organosilicon coupling system - Tyre and rubber composition for tyre, based on at least one isoprene elastomer (for example natural rubber), an inorganic filler as reinforcing filler (for example silica) and a coupling system which provides the bonding between the said reinforcing inorganic filler and the isoprene elastomer, the said coupling system comprising, in combination:
| 09-17-2009 |
20090247695 | PROCESS FOR PRODUCING CONJUGATED DIENE POLYMER, CONJUGATED DIENE POLYMER, AND RUBBER COMPOSITION - A process for simply and inexpensively producing a conjugated diene polymer with a narrow molecular weight distribution and a high cis-bond content at a low cost is provided. The process comprises a polymerization step, wherein a conjugated diene polymer having a cis-1,4-bond content of 98.5 mass % or more and a ratio (Mw/Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) measured by gel permeation chromatography of 2.5 or less is obtained by carrying out a polymerization reaction in conjugated diene compounds using a catalyst composition containing a rare earth element-containing compound or a reaction product of the rare earth element-containing compound with a Lewis base, an aluminoxane and/or organoaluminum compound, and an iodine-containing compound. | 10-01-2009 |
20100048806 | PROCESS FOR PRODUCING MODIFIED POLYMER RUBBER - A process for producing a modified polymer rubber comprising the steps of:
| 02-25-2010 |
20100056709 | CONJUGATED DIENE POLYMER, CONJUGATED DIENE POLYMER COMPOSITION, AND METHOD FOR PRODUCING CONJUGATED DIENE POLYMER - A conjugated diene polymer is provided that comprises a conjugated diene-based constituent unit and a constituent unit of formula (I) below, at least one terminus of the polymer being modified by a compound having a linkage of formula (II) below. | 03-04-2010 |
20100056710 | CONJUGATED DIENE POLYMER, CONJUGATED DIENE POLYMER COMPOSITION, AND METHOD FOR PRODUCING CONJUGATED DIENE POLYMER - A conjugated diene polymer is provided that comprises a conjugated diene-based constituent unit and a constituent unit of formula (I) below, at least one terminus of the polymer being modified by a silicon compound having a linkage of formula (II) below and/or a linkage of formula (III) below, | 03-04-2010 |
20100056711 | CONJUGATED DIENE POLYMER CONJUGATED DIENE POLYMER COMPOSITION - There is provided a continuous method for producing a conjugated diene polymer, comprising: polymerizing a conjugated diene, a compound of formula (I) below, and optionally other monomer in the presence of an alkali metal catalyst in a hydrocarbon solvent, | 03-04-2010 |
20100069568 | SULFIDE MODIFIED ELASTOMERIC POLYMERS - A backbone modified polymer comprising the reaction product of an elastomeric polymer and a sulfide modifier represented by Formula 1: AS—Y-Zm (Formula 1), and wherein Y is (C | 03-18-2010 |
20100076151 | PARTICLE COMPRISING A MATRIX AND A RADICAL INITIATOR - The invention pertains to a particle comprising a composition containing a matrix and a peroxide or azo radical initiator, wherein the particle is a fiber or fibrid selected from aramid, polyester, polyimide, cellulose, and glass. The invention further relates to particle-elastomers comprising said composition, and skim products, tires, tire treads, and belts comprising these particle-elastomers. | 03-25-2010 |
20100081761 | POLYMER COMPOSITION - The invention relates to a polymer composition comprising a matrix polymer, silica particles dispersed therein, and a coupling agent and a screening agent for the silica particles, and is characterized in that the screening agent is an alkylamine compound. The polymer composition is particularly suitable for the manufacture of rubber tyres with improved rolling resistance. | 04-01-2010 |
20100093921 | CONTINUOUSLY CURED EPDM USED IN VARIOUS DAMPENING APPLICATIONS INCLUDING VEHICLE AXLE CORDS - The present invention generally relates to the use of EPDM (ethylene-propylene diene monomer) polymer compounds used in place of NR (natural rubber), SBR (styrene butadiene rubber), polyisoprene and other polymers in energy absorption elastomeric systems. In one embodiment a method of continuously manufacturing an EPDM based compound cured via a peroxide based cure system and used in an energy absorption elastomeric system is disclosed. The method includes the steps of forming a continuous part from a compound based on ethylene-propylene diene terpolymer and then curing the part via a continuous process and optionally cutting the final part to the appropriate length. Various advantages are achieved via the use of peroxide cured EPDM as replacements for NR, SBR, polyisoprene and other polymers. | 04-15-2010 |
20100184912 | MONOMODAL COUPLED DIENE ELASTOMER HAVING A SILANOL FUNCTIONAL GROUP IN THE MIDDLE OF THE CHAIN, ITS PROCESS OF PREPARATION AND RUBBER COMPOSITION COMPRISING IT - The present invention relates to a monomodal coupled diene elastomer having a silanol functional group in the middle of the chain, to its process of preparation and to a rubber composition which can be used in particular in the manufacture of tyre covers, having improved hysteresis and physical properties in the vulcanized state and an improved processing in the raw state, comprising a monomodal diene polymer having a silanol functional group in the middle of the chain and a reinforcing inorganic filler. | 07-22-2010 |
20100261834 | SHAPE MEMORY RUBBER MOLDED ARTICLE AND PROCESS AND INTERMEDIATE COMPOSITION FOR PRODUCING SAME - A shape memory rubber molded article (1) obtained from a mixture containing a rubber and a crystalline non-polymeric compound. The rubber in the molded article is crosslinked. A deformed state of the shape memory rubber molded article (1) is fixed by crystallizing the non-polymeric compound, and the fixed deformed state is released by melting the non-polymeric compound. The non-polymeric compound is preferably a wax. The shape memory rubber molded article (1) preferably contains a crosslinking agent. In the molded article (1), the rubber and the non-polymeric compound are preferably in finely divided separate phases. | 10-14-2010 |
20100305264 | SEMI-CONTINUOUS INTEGRATED PROCESS FOR THE PRODUCTION OF HIGH IMPACT VINYL AROMATIC (CO)POLYMERS BY ANIONIC/RADICAL POLYMERIZATION IN SEQUENCE - Butadiene is anionically polymerized (or block copolimerized with styrene) in a low-boiling non-polar solvent in presence of rganolithiura compounds. At the end of the polymerization, the non-polar solvent is switched with styrene and the new solution is stored in tanks in relation to the type of polybutadiene (or its block copolymer with styrene) obtained. The polybutadiene solution (and/or its block copolymer with styrene) with the desired set of properties is then fed to a production plant of high impact vinyl aromatic (co) polymers. | 12-02-2010 |
20100317793 | RUBBER COMPOSITION WITH MOISTURE EXPOSED SURFACE CONTAINING COMBINATION OF SILICA AND SPECIALIZED TACKIFYING RESIN AND TIRE WITH COMPONENT THEREOF - An uncured silica-containing rubber composition having a moisture exposed surface wherein the rubber surface contains a combination of silica and a specialized tackifying resin. The moisture exposed silica degrades necessary building tack for the rubber composition. The specialized tackifying resin counteracts and significantly reduces said reduction of building tack caused by the silica/moisture interaction. Accordingly, a method of preparation of silica-containing uncured rubber is provided by processing the rubber under high shear, internal heat generation to cause the rubber composition to reach an elevated temperature followed by treating the surface of the heated rubber composition with moisture to cool the processed rubber composition where the surface of the rubber composition contains said silica together with a specialized tackifying resin. The invention further relates to building an assembly of uncured rubber components of which at east one of such components is a silica-containing moisture exposed rubber composition which contains said specialized tackifying resin. Such assembly is sulfur cured in a suitable mold at an elevated temperature to form a tire with said component, particularly where said component is an atmospherically exposed tire sidewall. Said specialized tackifying resin is a reaction product of t-butyl phenol and formaldehyde or vinyl modified product of t-butyl phenol and formaldehyde to the exclusion of sorbitan monostearate. | 12-16-2010 |
20110003932 | FUNCTIONALIZED HIGH VINYL DIENE RUBBERS - The present invention relates to functionalized high-vinyl-content diene rubbers, to the preparation of rubber mixtures which comprise functionalized high-vinyl-content diene rubbers, and to the use thereof for the production of rubber vulcanizates which serve in particular for the production of highly reinforced rubber mouldings, particularly preferably for the production of tyres, where these have particularly low rolling resistance, and particularly high wet skid resistance and abrasion resistance. | 01-06-2011 |
20110021692 | Sulfur-Containing Silane, Filled Elastomeric Compositions Containing Same And Articles Made Therefrom - Sulfur-containing silanes described herein can serve as coupling agents for fillers in elastomer compositions used, for example, in tires, belts, hoses, shoe soles, seals, gaskets, and the like. The sulfur containing silanes advantageously reduce or eliminate the generation of volatile organic compounds (VOCs) during use. | 01-27-2011 |
20110071253 | RUBBER COMPOSITION FOR TIRE AND PNEUMATIC TIRE - The present invention provides: a rubber composition for a tire having favorable productivity, excellent heat aging resistance and abrasion resistance, and excellent fuel economy; and a pneumatic tire using the rubber composition. The rubber composition contains neither soluble sulfur nor insoluble sulfur, and contains diene rubber, 1-15 parts by mass of compound 1 represented by formula (1) and 0.1-5 parts by mass of compound 2 represented by formula (2), per 100 parts by mass of the diene rubber, and the amount ratio of compound 1 to compound 2 (compound 1/compound 2) is 1-8. | 03-24-2011 |
20110178233 | Elastomer Mixture Mainly Comprising a Diene Elastomer Coupled by an Aminoalkoxysilane Group, Rubber Composition Including the Same and Methods for Obtaining Same - The present invention relates to an elastomer mixture resulting from the modification of a diene elastomer by a coupling agent that introduces, into the elastomer chain, an alkoxysilane group bearing a tertiary or secondary amine functional group. This mixture predominantly comprises the diene elastomer coupled by the alkoxysilane group bearing a tertiary or secondary amine functional group which is bonded to the diene elastomer through the silicon atom. The invention also relates to a reinforced rubber composition, in particular that can be used for the manufacture of tyres, which comprises a reinforcing filler and an elastomer matrix comprising at least this elastomer mixture, and to its preparation process. This composition has improved hysteresis and mechanical properties in the vulcanized state, and also improved processing in the uncured state. | 07-21-2011 |
20110178234 | WATER-BASED RESIN COMPOSITON AND ARTICLES MADE THEREFROM - An aqueous elastomer dispersion includes a dispersed phase and an aqueous phase. The dispersed phase includes an elastomer including curable aliphatic conjugated-diene elastomers, such as polyisoprene, and a minor amount of at least one additive. The aqueous phase includes water and other optional components in either a soluble state or a dispersion state. The aqueous elastomer dispersion may be prepared by dissolving an elastomer, such as rubber, and additives in a solvent mixture and then converting the resulting solution into an aqueous emulsion. The aqueous emulsion is concentrated and the solvent is stripped from it to yield a dilute latex. The dilute latex that is obtained is concentrated again. Articles made from the aqueous elastomer dispersion include medical gloves, condoms, probe covers, dental dams, finger cots, catheters and the like. | 07-21-2011 |
20110224364 | RUBBER COMPOSITION AND PNEUMATIC TIRE PRODUCED USING SAME - 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): | 09-15-2011 |
20110257331 | RUBBER COMPOSITION CONTAINING TREATED SILICA AND PRODUCTS WITH COMPONENT THEREOF - The invention relates to rubber compositions containing a treated silica, particularly sulfur cured rubber compositions, and articles of manufacture having a component thereof such as, for example tires. The invention particularly relates to synthetic amorphous silica, particularly a precipitated silica, treated with a combination of allylsilane and dialkylsilane. | 10-20-2011 |
20110269899 | CONJUGATED DIENE POLYMER MANUFACTURING METHOD, POLYBUTADIENE, AND RUBBER COMPOSITION UTILIZING THE SAME - Provided by using a catalyst containing an yttrium compound is conjugated diene polymer with very low solution viscosity, improved workability, high degree of branching, and high content of cis-1,4 structures. Also provided is a rubber composition utilizing the polymer and allowing excellent dispersion of reinforcing agent. According to a method of manufacturing a conjugated diene polymer characterized by polymerizing a conjugated diene at 50 to 120° C. in the presence of a catalyst obtained from (A) an yttrium compound, (B) an ionic compound consisting of a non-coordinating anion and a cation, and (C) an organoaluminum compound, the conjugated diene polymer has the following characteristics that: (1) a ratio (T | 11-03-2011 |
20120041139 | COATING COMPOSITION AND SURFACE LAYER - The present teachings provide a composition that includes a functionalized polyfluoropolyether and functionalized polybutadiene in a weight ratio of functionalized polyfluoropolyether/functionalized polybutadiene of from about 20/80 to about 80/20 in a solvent. The composition can be used to form a surface layer having a water contact angle of greater than about 90° and a hexanedecane contact angle greater than about 45°. | 02-16-2012 |
20120071603 | METHOD OF PRODUCTION OF RADIAL CONJUGATED DIENE POLYMER - An alkali metal-reacted aromatic compound which has three or more carbon atoms which are directly bonded to alkali metal atoms and aromatic rings in one molecule is used as a polymerization initiator to polymerize a monomer mixture which is contains at least one conjugated diene compound to thereby produce a radial conjugated diene polymer. Further, active ends of the polymer having active ends which is obtained by this method is made to react with a modifier which can react with the active ends to thereby produce an end-modified radial conjugated diene polymer. According to the present invention, it is possible to provide a method of production of the radial conjugated diene polymer which gives a high degree of freedom of polymer design and easy control of the polymer structure. | 03-22-2012 |
20120123048 | CROSS-LINKABLE ORGANOSILICON-BASED COMPOSITIONS - Moisture curable one-component organosilicon compositions exhibiting excellent resilience and adhesiveness contain an α-alkoxysilyl-terminated base polymer, aminoalkylalkoxysilane adhesion promoter, and polyolefin bearing succinic anhydride groups. | 05-17-2012 |
20120136112 | RUBBER GRANULATE CONVERSION PROCESS FOR PRODUCING A SEMI-ACTIVE CARBONIZED SUBSTANCE AND A PLASTICIZER - The present invention relates to a rubber granulate conversion process comprising steps consisting in: a) pyrolysing the rubber granulates at a temperature between 400 and 500° C. in the presence of water, to obtain a carbonized substance and a gaseous phase; and b) recovering the carbonized substance obtained during the previous step. The invention also relates to the products resulting from the conversion process and to the use of said products. | 05-31-2012 |
20120142851 | PROCESS FOR PRODUCING CONJUGATED DIENE POLYMER, CONJUGATED DIENE POLYMER, AND RUBBER COMPOSITION - A process for simply and inexpensively producing a conjugated diene polymer with a narrow molecular weight distribution and a high cis-bond content at a low cost is provided. The process comprises a polymerization step, wherein a conjugated diene polymer having a cis-1,4-bond content of 98.5 mass % or more and a ratio (Mw/Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) measured by gel permeation chromatography of 2.5 or less is obtained by carrying out a polymerization reaction in conjugated diene compounds using a catalyst composition containing a rare earth element-containing compound or a reaction product of the rare earth element-containing compound with a Lewis base, an aluminoxane and/or organoaluminum compound, and an iodine-containing compound. | 06-07-2012 |
20120232216 | FILLER BLENDING FOR RUBBER FORMULATIONS - Using a target loading value and target intrinsic properties desired for a rubber formulation, two or more fillers are combined to create a blend having the desired intrinsic properties—i. e. a blend can be created emulating the desired intrinsic properties of a single filler system. In another exemplary aspect, knowing the individual loadings of fillers along with the target values desired for the loading of the blend and its intrinsic properties, individual intrinsic properties for at least one unknown filler that will be used to create the blend can be calculated. The unknown filler can then be identified by comparing the calculated intrinsic properties with the intrinsic properties of known fillers. The method allows e.g.) a manufacturer to blend a variety of suitable fillers while maintaining a more limited inventory of fillers than would otherwise be required for multiple rubber formulations. | 09-13-2012 |
20120316288 | PROCESS OIL COMPOSITION - A process oil composition comprising: (i) from 50% to 99.9% by weight of de-asphalted cylinder oil (DACO); (ii) from 0.1% to 20% by weight of a Fischer-Tropsch derived base oil having a kinematic viscosity at 100° C. of not more than 4.0 mm | 12-13-2012 |
20130079463 | POLYMERS FUNCTIONALIZED WITH POLYHYDRAZONE COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomers to form a reactive polymer, and (ii) reacting the reactive polymer with a protected polyhydrazone compound. | 03-28-2013 |
20130131262 | METHODS AND ORGANISMS FOR CONVERTING SYNTHESIS GAS OR OTHER GASEOUS CARBON SOURCES AND METHANOL TO 1,3-BUTANEDIOL - A non-naturally occurring microbial organism having a 1,3-butanediol (1,3-BDO) pathway includes at least one exogenous nucleic acid encoding a 1,3-BDO pathway enzyme or protein expressed in a sufficient amount to produce 1,3-BDO. A method for producing 1,3-BDO that includes culturing the this non-naturally occurring microbial organism under conditions and for a sufficient period of time to produce 1,3-BDO. | 05-23-2013 |
20130158190 | RUBBER COMPOSITION FOR TIRE, AND PNEUMATIC TIRE - The present invention provides a rubber composition for a tire which makes it possible to maintain weather resistance for a long time without damaging the appearance of tires and to reduce the use of petroleum resources, and whose raw materials are easily obtainable; and also provides a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for a tire, including a rubber component and a microalgae-derived natural wax. | 06-20-2013 |
20130274407 | CATALYTIC SYSTEM FOR CONJUGATED DIENE POLYMERISATION, POLYMERISATION METHOD AND FUNCTIONAL POLYMER OBTAINED - The present invention relates to a novel catalytic system for polymerization, and more particularly for preparing conjugated diene polymers bearing a polar function at the chain end. This catalytic system is based on a metal salt of a rare-earth metal and, as alkylating agent, an organometallic compound based on a metal belonging to the 2 | 10-17-2013 |
20140073734 | DYNAMIC LOAD-ABSORBING MATERIALS AND ARTICLES - A compound for protection of an object from a blast or shock wave. The compound include a matrix material and at least a first and second sets of inclusions in the matrix material that differ in size, quantity, shape and/or composition in a direction through the impact-absorbing material, the combination of which contributes to the ability of the material to exhibit at least one property that changes as the inclusions are deformed in response to a blast or shock wave. | 03-13-2014 |
20140155541 | COUPLING AGENT FOR RUBBER/CARBON BLACK, AND RUBBER COMPOSITION CONTAINING SAME FOR USE IN TIRES - The present invention relates to a coupling agent for rubber/carbon black, containing a sulfide compound represented by the following chemical formula (I): | 06-05-2014 |
20140187711 | POLYMERS FUNCTIONALIZED WITH UNSATURATED HETEROCYCLES CONTAINING AN AZOLINYL GROUP - A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer to form a reactive polymer, and (ii) reacting the reactive polymer with an unsaturated heterocycle containing an azolinyl group. | 07-03-2014 |
20140187712 | FUNCTIONALIZED POLYMERS - A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer to form a reactive polymer, and (ii) reacting the reactive polymer with an azodiester. | 07-03-2014 |
20140303319 | CONJUGATED DIENE BASED POLYMER, AND POLYMER COMPOSITION CONTAINING THE POLYMER - The present invention relates to a conjugated diene based polymer comprising a monomer unit derived from at least one conjugated diene selected from 1,3-butadiene and isoprene and a monomer unit derived from a compound represented by Formula (1): | 10-09-2014 |
20140371385 | METHOD FOR OBTAINING A CARBON BLACK POWDER BY PYROLYZING SCRAP RUBBER, THE CARBON BLACK THUS OBTAINED AND THE USE THEREOF - The present invention relates to a method for recycling scrap rubber comprising the steps of pyrolyzing scrap rubber to obtain a char material and milling the thus obtained char material. The present invention also relates to carbon black powders and carbon black pellets obtained by the method according to the invention. Moreover, the present invention relates to the use of said carbon black powder and to compositions comprising said carbon black powders. | 12-18-2014 |
20150011701 | POLYMER AND METHOD FOR PRODUCING SAME, RUBBER COMPOSITION CONTAINING POLYMER, AND TIRE HAVING RUBBER COMPOSITION - The polymer of the present invention is a synthesized polyisoprene or an isoprene copolymer. The polymer has a number average molecular weight (Mn) of 1.5 million or more when measured by using gel permeation chromatography (GPC). | 01-08-2015 |
20150018481 | PREPARATION OF RUBBER REINFORCED WITH AT LEAST ONE OF GRAPHENE AND CARBON NANOTUBES WITH SPECIALIZED COUPLING AGENT AND TIRE WITH COMPONENT - The invention relates to preparation of rubber reinforced with at least one of graphene and carbon nanotubes with specialized coupling agent and tire with component thereof. | 01-15-2015 |
20150080525 | RUBBER COMPOSITION AND TIRE CONTAINING RUBBER COMPOSITION - Provided is a rubber composition including a rubber component. The rubber component contains at least a polymer that is a synthesized polyisoprene or an isoprene copolymer and that has 20% or less gel fraction. | 03-19-2015 |
20150080526 | PROCESS FOR THE PREPARATION OF BRANCHED POLYBUTADIENE HAVING A HIGH CONTENT OF 1,4-CIS UNITS - A process for the preparation of branched polybutadiene having a high content of 1,4-cis units which comprises polymerizing butadiene in the presence of at least one organic solvent, and in the presence of: a) a catalytic system prepared in situ including: (a | 03-19-2015 |
20150376322 | LATEX FOR MOLDING USE, COMPOSITION FOR DIP MOLDING USE, AND DIP-MOLDED ARTICLE - Provided is a carboxy-modified synthetic isoprene polymer latex for dip molding use, which is produced by the graft polymerization of a synthetic isoprene polymer with a monomer having a carboxyl group in an aqueous phase and contains at least one anionic surfactant, wherein a carboxy-modified synthetic isoprene polymer that constitutes the carboxy-modified synthetic isoprene polymer latex has a tetrahydrofuran-insoluble content of 30 wt % or more. | 12-31-2015 |
20160096957 | METHOD OF PREPARING THERMOPLASTIC RESIN COMPOSITION HAVING SUPERIOR SURFACE CLEARNESS AND GLOSS - Disclosed are a method of preparing a thermoplastic resin composition having superior surface clearness and gloss. More particularly, the present invention relates to a method of preparing a superior thermoplastic resin composition which has superior surface clearness and superior gloss and may prevent mold deposition during a high speed injection process, by using a reactive emulsifier during emulsion polymerization of rubber latex composed of polybutadiene, preparing resin latex using a hydrophobic initiator during graft copolymerization of rubber latex, an aromatic vinyl monomer, and a vinyl cyan monomer, compression dehydrating a moisture content to less than 10% using a compression type dehydrator after agglomerating the resin latex, and performing a wet powder extrusion process. | 04-07-2016 |
20160130421 | NOVEL CARDANOL-BASED ORGANIC VULCANIZING AGENT, METHOD FOR PREPARING THE SAME, AND RUBBER COMPOUND COMPOSITION FOR TIRES USING THE SAME - Disclosed are a method for preparing a cardanol-based organic vulcanizing agent, including a step of reacting cashew nut extract with powdered sulfur, a cardanol-based organic vulcanizing agent obtained by the method, and a rubber compound and tire composition using the same. The rubber composition using the cardanol-based organic vulcanizing agent shows significantly improved expected mileage (FPS), tensile strength (T/S), non-vulcanized properties and wet traction as compared to the rubber composition using the conventional vulcanizing agent, and contributes to improvement of wear property of tires as final products in actual cars. Therefore, the cardanol-based organic vulcanizing agent can be applied advantageously to rubber compound compositions for tires used in rubber vulcanizing processes for tire treads. | 05-12-2016 |
20160130427 | TIRE TREAD WITH IMPROVED WEAR - Tire treads and tires having such tire treads are included, such treads manufactured with a rubber composition that includes mostly, if not entirely, a polybutadiene rubber having cis-1,4 bond content of at least 95%. The rubber composition further includes between 60 phr and 95 phr of a plasticizing resin having a Tg of at least 25° C. and between 0 phr and 15 phr of a liquid plasticizer. Additionally the rubber composition is reinforced with at least 90 phr of a silica reinforcing filler. Alternatively, in some embodiments, the rubber composition may be reinforced with an organic filler, an inorganic filler or combinations thereof. In some of these embodiments, the rubber composition includes at least 90 phr of such reinforcing filler. | 05-12-2016 |
20160176999 | COPOLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE | 06-23-2016 |