| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 524575000 | Interpolymer with at least one aromatic hydrocarbon monomer | 74 |
| 20080200606 | BLOCK COPOLYMER, RUBBER COMPOSITION CONTAINING THE SAME AND MOLDED PRODUCT - An objective of the present invention is to provide a block copolymer which is excellent in processability at the time of preparing a rubber composition and leads to a cross-linked rubber composition excellent in tensile property, wearing resistance, weatherability, ozone resistance and heat aging resistance when it is cross-linked, a rubber composition containing the block copolymer and a molded product. The block copolymer of the present invention comprises two polymer blocks each having an ethylenic unsaturated bond and other polymer block which is interposed between two polymer blocks, has a uniform weight average molecular weight in the range from 5,000 to 100,000. The weight average molecular weight of the polymer block having the ethylenic unsaturated bond is preferably in the range from 1,000 to 20,000. | 08-21-2008 |
| 20100004381 | FUNCTIONALIZED TRANSLUCENT COMPOUNDS - Functionalized translucent compounds are disclosed. The functionality appears at surface(s) of articles molded or extruded from thermoplastic compounds containing functionalized surface agents that are reactive physically or chemically with desired chemicals. | 01-07-2010 |
| 20100144959 | PREPARATION OF ALKOXY- AND/OR HALOSILANE (POLY)SULFIDES AND COUPLING AGENTS COMPRISED THEREOF - At least one (poly)thio alkoxy and/or halosilane is/are prepared by reaction of at least one sulfur-containing reagent with at least one alkoxy and/or halosilane, wherein an ionic addition of a sulfur-containing reagent to an alkoxy and/or halosilane is preferably conducted with thermal and/or actinic activation; the novel polythio alkoxy and/or halosilanes of formula (III.2) thus prepared are particularly useful as coupling agents in elastomeric compositions containing a white filler of the silica type and having the formula (III.2) wherein, for example, R | 06-10-2010 |
| 20100179280 | SULFUR-CONTAINING CONJUGATED DIOLEFIN COPOLYMER RUBBER, AND RUBBER COMPOSITION COMPRISING THE SAME - Disclosed is a sulfur-containing conjugated diolefin copolymer rubber composed of a conjugated diolefin and an aromatic vinyl compound, wherein (1) the content of sulfur bound to the rubber is 0.01 mmol % or more, (2) the content of the aromatic vinyl compound polymerization unit is not less than 5 wt % and less than 45 wt % relative to the amount of the copolymer rubber, and (3) the content of a vinyl bond (a 1,2-bond) in the conjugated diolefin polymerization unit is 30 mol % or more relative to the amount of the conjugated diolefin polymerization unit. In the the copolymerization between the conjugated diolefin and the aromatic vinyl compound, a specific sulfur-containing polymerization terminator is used to terminate the reaction of the copolymerization. The sulfur-containing conjugated diolefin copolymer rubber has good processability and a good balance among wear resistance, fracture properties and low hysteresis loss. | 07-15-2010 |
| 20100204397 | RUBBER LATEX, RUBBER LATEX FOR DIP MOLDING, AND DIP-MOLDED ARTICLE - [Problems] To provide a dip-molded article suitable for use in gloves, particularly gloves for medical use and the like, which has excellent strength and wearing feeling and is not deteriorated even when the article is sterilized by the irradiation with gamma rays, and a rubber latex suitable as a rubber latex for dip molding for obtaining the dip-molded article. | 08-12-2010 |
| 20100324203 | STYRENE-BUTADIENE COPOLYMERS, PROCESS FOR THE PREPARATION THEREOF AND HIGH COHESION ADHESIVE COMPOSITIONS - The present patent of invention application refers to styrene-butadiene copolymers (SBR) that are prepared using aqueous emulsion polymerization technology and are intended for the adhesive and sealing industry, being particularly useful in the preparation of contact adhesives and pressure-sensitive adhesives (PSA) and widely applicable in the footwear and furniture industries. The use of this kind of elastomer in processes for preparing adhesives, having an aqueous or solvent base, provides high cohesion to adhesive compositions without compromising or jeopardizing the adhesion. The present invention is also intended to protect the process for obtaining SBR copolymers, simultaneously comprising: aqueous emulsion polymerization at high temperatures, the use of a specific surfactant and the maintenance of the Mooney viscosity and the combined styrene content in the copolymer in high ranges. Another object of the present invention application is the protection of adhesive compositions that are obtained from SBR copolymers, either in solid or latex form. | 12-23-2010 |
| 20110098404 | FUNCTIONAL STYRENE-BUTADIENE COPOLYMER - A functional styrene-butadiene copolymer is disclosed. More specifically, the copolymer is prepared by radical polymerization of a styrene monomer, a butadiene monomer and an epoxy acrylate monomer in an emulsion state and ring-opening of the resultant styrene-butadiene-epoxy acrylate copolymer. When blended with silica, the disclosed copolymer provides excellent wet stopping performance and superior wear resistance. Therefore, it can be usefully applied for industrial materials including fuel-efficient tires, snow tires, belts, hoses, etc. | 04-28-2011 |
| 20110213074 | DIOL-DERIVED ORGANOFUNCTIONAL SILANE AND COMPOSITIONS CONTAINING SAME - Described are diol-derived organofunctional silanes in which the silanes contain cyclic and bridged alkoxy groups derived from hydrocarbon-based diols and methods for the preparation of the silanes. Also described are rubber compositions containing the diol-derived organofunctional silanes, methods for the preparation of the rubber compositions and articles of manufacture containing the rubber compositions, in particular, automotive tires and components thereof. | 09-01-2011 |
| 20110282001 | FUNCTIONALIZED DIENE RUBBERS - The present invention relates to functionalised diene rubbers and their production, to rubber mixtures, comprising these functionalised diene rubbers, and to their use for the production of rubber vulcanisates, which serve in particular for the production of highly reinforced rubber mouldings. Particular preference is given to the use in the production of tyres which have particularly low rolling resistance, and particularly high wet slip resistance and abrasion resistance. | 11-17-2011 |
| 20120010356 | STYRENE BUTADIENE RUBBER WITH NOVEL STYRENE INCORPORATION - The present invention relates to improved compositions of SSBR rubber. The improved compositions exhibit sufficient or improved balance of characteristics such as rolling resistance, HBU, abrasion, grip, and/or tear. The compositions may be made in an efficient, cost-effective manner. | 01-12-2012 |
| 20120046413 | PNEUMATIC TIRE - A pneumatic tire obtained by using a rubber composition containing 100 parts by mass of a rubber component comprising at least one of natural rubber and diene base synthetic rubber, 20 to 150 parts by mass of precipitated silica as a filler in which a cetyltrimethylammonium bromide-adsorbing specific surface area (CTAB) (m | 02-23-2012 |
| 20120059113 | PROCESSING OF RUBBER COMPOSITIONS INCLUDING SILICEOUS FILLERS - Vulcanizates with desirable properties can be obtained from compositions incorporating polymers that include hydroxyl group-containing aryl functionalities, silica or other particulate filler(s) that contain or include oxides of silicon and a compound that includes multiple hydroxyl groups. The compound can act to disrupt the interactivity of the functionalities and the particulate filler particles during processing of the composition, thereby facilitating processing of the composition. | 03-08-2012 |
| 20120083571 | RUBBER COMPOSITION AND PNEUMATIC TIRE - A rubber composition, comprising a rubber component, and a carbon black, the carbon black satisfying the dibutyl phthalate (DBP) absorption number [unit: mL/100 g] of the carbon black is from 90 to 180, the difference of the BET specific surface area (BET5) [unit: m | 04-05-2012 |
| 20120108736 | RUBBER COMPOSITIONS INCLUDING A POLYMERIC COMPONENT HAVING A MULTI-MODAL MOLECULAR WEIGHT DISTRIBUTION - A vulcanizable composition of matter comprising a rubber component, a filler, a curative for the rubber, where the rubber component includes a multi-modal polymer including at least two distinct peak molecular weights within a range defined by a lower limit of 80 kg/mole and an upper limit of 500 kg/mole. | 05-03-2012 |
| 20120108737 | METHOD FOR PRODUCING MODIFIED CONJUGATED DIENE BASED (CO)POLYMER, MODIFIED CONJUGATED DIENE BASED (CO)POLYMER, AND RUBBER COMPOSITION - The method for producing a modified conjugated diene based (co)polymer, according to the present invention comprises a step of reacting a conjugated diene based (co)polymer with a metal halide compound to obtain a modified conjugated diene based (co)polymer, the conjugated diene based (co)polymer having a weight-average molecular weight of 150,000 to 2,000,000 and being obtained by bonding, to a polymer having at least a conjugated diene unit, an alkoxysilyl group and an optionally protected primary amino group. The method can satisfactorily produce a conjugated diene based (co)polymer which has a high Mooney viscosity, excellent shape stability and good processability. | 05-03-2012 |
| 20120130009 | POLYMERS FUNCTIONALIZED WITH HYDROXYL GROUP-CONTAINING DIPHENLYETHYLENE - Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing diphenylethylene-type functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and optional terminating compounds. Such polymers exhibit excellent interactivity with both conventional and non-conventional fillers. | 05-24-2012 |
| 20120136114 | PROCESS FOR PRODUCING HYDROGENATED BLOCK COPOLYMER, HYDROGENATED BLOCK COPOLYMER OBTAINED BY THE PROCESS, AND COMPOSITION THEREOF - The present invention relates to a method for producing a hydrogenated block copolymer, including the steps of: (a) forming a block copolymer by allowing a living polymer having a specific structure to react with a tetra- or more functional silane coupling agent; (b) hydrogenating the block copolymer to form a hydrogenated block copolymer; (c) isolating the resultant hydrogenated block copolymer; and (d) deactivating a functional group in the silane coupling agent and/or an unreacted functional group present in a coupling agent residue in the block copolymer or the hydrogenated block copolymer prior to the step (c), in which the number of functional groups derived from the coupling agent in the hydrogenated block copolymer recovered in the step (c) is 1.5 or less per block copolymer molecule; a hydrogenated block copolymer obtained by the method; and a composition containing the hydrogenated block copolymer. | 05-31-2012 |
| 20120157615 | METHOD FOR PRODUCING A HYDROGENATED BLOCK COPOLYMER, HYDROGENATED BLOCK COPOLYMER OBTAINED BY SAID PRODUCTION METHOD AND COMPOSITION THEREOF - The present invention relates to a method for producing a hydrogenated block copolymer, comprises the steps of: (a) forming a block copolymer by allowing a living polymer having a specific structure to react with a bis-silane coupling agent having a specific structure; (b) hydrogenating the block copolymer to form a hydrogenated block copolymer; and (c) isolating the resultant hydrogenated block copolymer, in which the number of functional groups derived from the coupling agent in the hydrogenated block copolymer isolated in the step (c) is 1.5 or less per block copolymer molecule; a hydrogenated block copolymer obtained by the method; and a composition containing the hydrogenated block copolymer. | 06-21-2012 |
| 20120157616 | DIOL-DERIVED ORGANOFUNCTIONAL SILANE AND COMPOSITIONS CONTAINING SAME - Described are diol-derived organofunctional silanes in which the silanes contain cyclic and bridged alkoxy groups derived from hydrocarbon-based diols and methods for the preparation of the silanes. Also described are rubber compositions containing the diol-derived organofunctional silanes, methods for the preparation of the rubber compositions and articles of manufacture containing the rubber compositions, in particular, automotive tires and components thereof. | 06-21-2012 |
| 20120165464 | FUNCTIONALIZED POLYMERS AND VULCANIZATES WITH REDUCED HYSTERETIC LOSS - A method for preparing a functionalized polymer, the method comprising the step of reacting a reactive polymer with a functionalizing agent defined by formula I or formula II: | 06-28-2012 |
| 20120172518 | Weighted Elastomers, Cement Compositions Comprising Weighted Elastomers, and Methods of Use - Methods and compositions are provided that relate to weighted elastomers. The weighted elastomers may comprise an elastomer and a weighting agent attached to an outer surface of the elastomer. An embodiment includes a method of cementing that comprises providing a cement composition containing cement, water, and a weighted elastomer. In addition, the cement composition may be introduced into a subterranean formation and allowed to set therein. | 07-05-2012 |
| 20120252966 | PROCESS FOR PRODUCING MODIFIED CONJUGATED DIENE-BASED POLYMER, MODIFIED CONJUGATED DIENE-BASED POLYMER, AND POLYMER COMPOSITION - An object of the present invention is to provide a process for producing a modified conjugated diene-based polymer suitable for preparing a polymer composition excellent in the fuel cost saving effect. The present invention provides a process for producing a modified conjugated diene-based polymer, comprising reacting a conjugated diene-based polymer having a monomer unit based on a conjugated diene compound and a monomer unit based on a compound represented by the following formula (1), with an organometallic compound, and reacting the resulting reaction product with a hydrocarbyloxysilane compound: | 10-04-2012 |
| 20120259060 | RUBBER COMPOSITION WITH ORGANIC SALT CURING AGENT - A rubber composition comprising a metal salt of a carboxylic acid used as a curing agent, a highly unsaturated dieene rubber, a filler and a sulfur vulcanization system of between 0.5 phr and 8 phr of sulfur and at least one vulcanization accelerator. Particular embodiments may further include between 1 phr and 6 phr of a metal salt of a carboxylic acid that increases a tear index of the cured elastomer composition by at least 50 percent as compared to a similar cured elastomer composition, such similar cured elastomer composition being different in composition only in that it (1) lacks the metal salt of a carboxylic acid and (2) has an increased amount of the sulfur vulcanization system at about the same sulfur to accelerator ratio to maintain a 10% modulus of elongation at 23 0C to within 15% of the modulus of the cured rubber composition. | 10-11-2012 |
| 20120277369 | Method for Producing Modified Conjugated Diene-Based Polymer, Modified Conjugated Diene-Based Polymer, and Modified Conjugated Diene-Based Polymer Composition - There are provided a modified conjugated diene-based polymer having a good balance between the hysteresis loss properties and the wet skid resistance, practically sufficient abrasion resistance and fracture strength, and high processability when formed into a vulcanized product, and a modified conjugated diene-based polymer composition. A method for producing a modified conjugated diene-based polymer, comprising: a polymerization step of polymerizing a conjugated diene compound or copolymerizing a conjugated diene compound with an aromatic vinyl compound using an alkali metal compound or an alkaline earth metal compound as a polymerization initiator to obtain a conjugated diene-based polymer having a reactive end, and a modifying step of reacting a compound having a specific structure with the reactive end of the conjugated diene-based polymer. | 11-01-2012 |
| 20130012651 | CONJUGATED DIENE RUBBER, RUBBER COMPOSITION, CROSSLINKED RUBBER, TIRE, AND PROCESS FOR PRODUCTION OF CONJUGATED DIENE RUBBER - For a tire excellent in strength, low-heat buildup property, wet grip property, and driveability, and a rubber composition and a conjugated diene rubber for the tire, a conjugated diene rubber of the present invention includes 5 wt % or more of a structure that 3 or more conjugated diene polymer chains are bound via a denaturing agent, obtained by reaction of each chain and the agent, each chain being that at least one of terminals is an isoprene block having 70 wt % or more of an isoprene monomer unit, and the other is an active terminal, the agent having, per molecule, at least one of an epoxy group(s) and a hydrocarbyloxysilyl group(s), and being that a total number of the epoxy group(s) and hydrocarbyloxy groups in the hydrocarbyloxysilyl group(s) per molecule is 3 or more. | 01-10-2013 |
| 20130012652 | TIRE AND RUBBER COMPOSITION CONTAINING A GRAFTED POLYMER - The invention relates to a tire comprising at least one rubber composition based on at least one diene elastomer, one reinforcing filler, one chemical crosslinking agent and one modifying agent, chosen from the compounds of following formula (I): | 01-10-2013 |
| 20130123418 | RUBBER COMPOSITION CONTAINING A MODIFED ELASTOMER, METHOD FOR PREPARING SAME, AND TIRE CONTAINING SAME - The invention relates to a rubber composition based on at least one diene elastomer, a reinforcing filler, a chemical crosslinker and a modifier selected from compounds comprising at least one group Q, and at least one group A, which are joined to one another by at least one and preferably one spacer group Sp, wherein:
| 05-16-2013 |
| 20130131263 | FUNCTIONALIZED POLYMER, RUBBER COMPOSITION WITH AND PNEUMATIC TIRE - There is disclosed a functionalized elastomer comprising the reaction product of a living anionic elastomeric polymer; and | 05-23-2013 |
| 20130158192 | MODIFIED CONJUGATED DIENE RUBBER, METHOD AND COMPOSITION THEREOF - A method of forming modified conjugated diene rubber includes (a) reacting an alkali metal ion-containing conjugated diene rubber with a first modifier having a structural formula (I), | 06-20-2013 |
| 20130172481 | RUBBER COMPOSITION AND PROCESS FOR PRODUCTION THEREOF, AND TIRE - A rubber composition that can be used in applications such as automotive tires and can improve the fuel efficiency performance and driving stability of automobiles and the like, a method for producing a rubber composition, and a tire using the same are provided. | 07-04-2013 |
| 20130178578 | MOISTURE-PROOF INSULATING MATERIAL - Provided are: a moisture-proof insulating material having superior long-term insulating reliability and adhesiveness to polyimides and glass substrates, and has a solid content concentration that can secure a thickness that realizes sufficient moisture-proof performance after application and drying in a viscosity region that can be easily coated by means of a dispenser; and an electronic component that has been insulation-processed by means of the moisture-proof insulating material. The moisture-proof insulating material contains a styrene-based thermoplastic elastomer, a tackifying agent, and a solvent, and is characterized by the solvent containing an aliphatic hydrocarbon solvent (for example, methylcyclohexane or cyclohexane) having a boiling point that is at least 80° C. and less than 110° C. The solvent preferably further contains an aliphatic hydrocarbon solvent (for example, ethylcyclohexane or dimethylcyclohexane) having a boiling point that is at least 110° C. and less than 140° C. | 07-11-2013 |
| 20130245191 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention provides a pressure-sensitive adhesive composition and a pressure-sensitive adhesive sheet comprising a layer formed from the said composition. The pressure-sensitive adhesive composition comprises, as a base polymer, a block copolymer of a mono-vinyl-substituted aromatic compound and a conjugated diene compound. The pressure-sensitive adhesive composition further comprises a tackifier resin (T | 09-19-2013 |
| 20130245192 | METHOD FOR PRODUCING MODIFIED CONJUGATED DIENE RUBBER, MODIFIED CONJUGATED DIENE RUBBER, AND RUBBER COMPOSITION - This invention relates to a method for producing a modified conjugated diene rubber wherein the method involves: (a) a step in which a conjugated diene polymer having an alkali metal or alkaline earth metal active end and obtained by polymerizing a conjugated diene compound or by polymerizing a conjugated diene compound with an aromatic vinyl compounds is reacted with a first alkoxysilane compound which has an alkoxysilyl group having two or more alkoxy groups and has a group protected by a protecting group wherein deprotection is possible to obtain a modified conjugated-diene polymer having an alkoxysilyl group; and (b) a step in which the modified conjugated-diene polymer is reacted with a second alkoxysilane compound which has an alkoxysilyl group. | 09-19-2013 |
| 20130267649 | CONJUGATED DIENE RUBBER, RUBBER COMPOSITION, CROSS-LINKED RUBBER, AND TIRE - A conjugated diene rubber of the present invention is prepared from conjugated diene polymer chains, wherein the conjugated diene polymer chains each has an active end at one end and an isoprene block at least at the other end, the isoprene block contains 70 wt % or more isoprene monomer units, and the active ends of at least part of the conjugated diene polymer chains are modified with a compound having a >C═O group as a functional group. This provides (i) a tire that has an excellent strength, excellent low-heat buildup property, and excellent wet grip property and (ii) a rubber composition and a conjugated diene rubber that are suitably used to produce the tire. | 10-10-2013 |
| 20130274408 | Coupled Polymers And Methods For Making Same - Carbanionic polymer chains that contain polyene mer can be coupled after being reacted to include, at their respective termini, at least one, and preferably one, unit that is the radical of a cyclic polysiloxane. The coupled polymers are useful in preparing rubber compounds from which vulcanizates are made. | 10-17-2013 |
| 20130281610 | RUBBER COMPOSITION FOR TREAD AND PNEUMATIC TIRE USING THE SAME FOR TREAD - It is an object of the present invention to provide a rubber composition for a tread which can improve both performance on ice and abrasion resistance and a studless winter tire having a tread formed by this rubber composition. The present invention provides a rubber composition for a tread comprising 0.1 to 7.0 parts by mass of nanodiamond based on 100 parts by mass of a rubber component comprising at least one selected from a group consisting of a natural rubber, an isoprene rubber, a styrene butadiene rubber and a butadiene rubber, and a pneumatic tire having a tread formed by this rubber composition. | 10-24-2013 |
| 20130281611 | RUBBER BLEND WITH AN ENVIRONMENTALLY-FRIENDLY PLASTICISER - A rubber blend, particularly for pneumatic vehicle tires, harnesses, straps and hoses. The rubber blend has the following composition: at least one polar or nonpolar rubber, at least one light and/or dark filler, at least one plasticizer which is free from polycyclic aromatic compounds and which has been produced based on waste materials containing carbon that result from the production of tires and additional technical rubber articles, as well as further additives. | 10-24-2013 |
| 20130281612 | Elastomer Formulations - This present invention relates to carbon nanotubes as fillers in composites with materials such as elastomers, thermosets and thermoplastics. A further feature of this invention relates to the development of a concentrate of carbon nanotubes with an elastomer wherein the concentrate can be further diluted with an elastomer and other polymers and fillers using conventional melt mixing. | 10-24-2013 |
| 20130296479 | RUBBER FORMULATIONS INCLUDING GRAPHENIC CARBON PARTICLES - Rubber formulations comprising a base rubber composition, graphenic carbon particles, and non-conductive filler particles such as silica are disclosed. The formulations possess favorable properties such as relatively low surface resistivities, and are useful for many applications such as tire treads. | 11-07-2013 |
| 20130296480 | PREPARATION OF FUNCTIONAL POLYMERS PHOSPHORUS-CONTAINING ORGANOMETAL INITIATORS - A method for preparing a functionalized polymer, the method comprising: polymerizing conjugated diene monomer, optionally together with comonomer, using a phosphorus-containing organometal initiator. | 11-07-2013 |
| 20130296481 | MODIFIED CONJUGATED DIENE RUBBER, METHOD FOR PRODUCING SAME, AND RUBBER COMPOSITION - According to a method for producing a modified conjugated diene rubber, the method involves a step of obtaining a modified conjugated diene rubber by reacting a conjugated diene compound or a conjugated diene polymer which is obtained by polymerizing a conjugated diene compound and an aromatic vinyl compound and has an alkali metal or alkaline-earth metal active end, with a first hydrocarbyloxysilane compound having an alkyl polyether group and a group convertible into an onium, and a conjugated diene rubber which can be used as a starting material for a crosslinked rubber that is used in applications such as a tire tread and is capable of improving the low fuel consumption performance is provided. | 11-07-2013 |
| 20140024767 | High Styrene High Vinyl Styrene-Butadiene Rubber and Methods for Preparation Thereof - A polymer has at least the following characteristics: (a) a block styrene content containing 4 to 6 styrene units from about 27 to about 50 weight percent based on total styrene content in the polymer; (b) a vinyl content from about 30 to about 80 weight percent based on total amount of polymerized 1,3-butadiene; and (c) a styrene content from about 40 to about 70 weight percent based on total weight of polymer. Processes for the polymerization of such a polymer, compositions containing such a pofymer, and articles containing at least one component formed from such a composition are described. | 01-23-2014 |
| 20140031489 | TIRE RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention provides a tire rubber composition that makes it possible to suppress discoloration of tires, and a pneumatic tire formed from the rubber composition. The present invention relates to a tire rubber composition containing a bluing agent. | 01-30-2014 |
| 20140080969 | RUBBER COMPOSITION AND TIRE USING THE SAME - The invention relates to a rubber composition having better workability and fracture resistance than the prior art, and more specifically, to a rubber composition containing a polymer (B) obtained from an emulsion-polymerized polymer latex (A) having a number average molecular weight in the range of 1,000-130,000. | 03-20-2014 |
| 20140088242 | METHOD FOR PRODUCING MODIFIED CONJUGATED DIENE-BASED POLYMER, AND METHOD FOR PRODUCING POLYMER COMPOSITION - The present invention related to a method for producing a modified conjugated diene-based polymer, the method comprising a step of reacting a conjugated diene-based polymer with an organometallic compound, and a step of reacting the resulting product and a compound containing a nitrogen atom and a carbonyl group. | 03-27-2014 |
| 20140107285 | METHOD FOR PRODUCING RUBBER COMPOSITION - The invention is a process for producing a rubber composition containing at least one rubber component (A) selected from natural rubbers and synthetic diene rubbers, a filler containing an inorganic filler (B), a silane coupling agent (C) and a vulcanization accelerator (D), wherein the rubber composition is kneaded in multiple stages, the rubber component (A), all or a portion of the inorganic filler (B), all or a portion of the silane coupling agent (C) and the vulcanization accelerator (D) are added and kneaded in the first stage of kneading, and the specific energy for kneading in the first stage is from 0.05 to 1.50 kWh/kg. The specific energy is obtained by dividing the power consumption by the motor in the kneading device in the first stage of kneading by the total mass of the rubber composition therein. | 04-17-2014 |
| 20140107286 | High Styrene High Vinyl Styrene-Butadiene Rubber with Narrow Molecular Weight Distribution and Methods for Preparation Thereof - A polymer having at least the following characteristics: (a) a block styrene content with more than 4 consecutive styrene units from about 40 to about 70 weight percent based on total styrene content in the polymer; (b) a vinyl content from about 25 to about 80 weight percent based on total amount of polymerized 1,3-diene; (c) a styrene content from about 20 to about 75 weight percent based on total weight of polymer; and (d) a molecular weight distribution (Mw/Mn) of 1.5 or less. | 04-17-2014 |
| 20140121319 | High Styrene High Vinyl Styrene-Butadiene Rubber With Narrow Molecular Weight Distribution And Methods For Preparation Thereof - A polymer having at least the following characteristics: (a) a block styrene content with more than 6 consecutive styrene units from about 15 to about 35 weight percent based on total styrene content in the polymer; (b) a vinyl content from about 25 to about 80 weight percent based on total amount of polymerized 1,3-diene; and (c) a styrene content from about 35 to about 75 weight percent based on total weight of polymer; and (d) a molecular weight distribution (Mw/Mn) of 1.5 or less. | 05-01-2014 |
| 20140163163 | POLYMERIZATION INITIATOR, MODIFIED-CONJUGATED DIENE POLYMER AND TIRE PRODUCED THEREFROM - The present disclosure relates to a polymerization initiator and a modified conjugated diene polymer prepared using the same, and more particularly to a polymerization initiator which is a compound represented by the following formula 1, and a modified conjugated diene polymer prepared using the same: | 06-12-2014 |
| 20140221563 | METHOD FOR PRODUCING DENATURED CONJUGATED DIENE POLYMER - A method for producing a modified conjugated diene polymer usable as a raw material of a crosslinked polymer which is used for use in tires and the like of automobiles and can enhance low fuel consumption performance of automobiles and the like is provided. | 08-07-2014 |
| 20140296424 | STRIPPABLE ADHESIVE COMPOSITION AND USES THEREOF - The invention relates to a strippable adhesive composition, and it has the advantage of good stripability and coating. The invention also provides a strippable material and method for manufacturing the same and an electronic component and method for manufacturing the same. | 10-02-2014 |
| 20140309363 | METHOD FOR PRODUCING DENATURED CONJUGATED DIENE POLYMER - A method for producing a conjugated diene polymer usable as a raw material of a crosslinked polymer which is used for use in tires of automobiles and can enhance low fuel consumption performance of automobiles is provided. | 10-16-2014 |
| 20140329963 | MODIFIED CONJUGATED DIENE-BASED POLYMER, POLYMER COMPOSITION, AND PROCESS FOR PRODUCING MODIFIED CONJUGATED DIENE-BASED POLYMER - Disclosed are a modified conjugated diene-based polymer capable of providing a polymer composition improved in tan δ balance, a polymer composition containing the modified conjugated diene-based polymer and silica, and a process for producing the modified conjugated diene-based polymer. The modified conjugated diene-based polymer is obtained by melt-kneading a conjugated diene-based polymer and 0.01 to 2 parts by weight of a Bunte salt per 100 parts by weight of the conjugated diene-based polymer, in the presence of water whose amount is from 0.1 to 1,000 parts by weight per one part by weight of the Bunte salt. | 11-06-2014 |
| 20140336330 | PNEUMATIC TIRE WITH TREAD - The present invention is directed to a pneumatic tire comprising a ground contacting tread, the tread comprising a rubber composition comprising
| 11-13-2014 |
| 20140357784 | MODIFIED CONJUGATED DIENE POLYMER AND METHOD FOR PRODUCING SAME - A modified conjugated diene polymer, which can be used as a raw material of a cross-linked polymer for automobile tires, is prepared by a method including a step of polymerizing a monomer having a conjugated diene compound etc. in the presence of a compound of formula (1) or (2) and an alkali metal compound to obtain a conjugated diene polymer, and a step of reacting the polymer and a compound of formula (3). | 12-04-2014 |
| 20140364559 | METHOD OF PRODUCTION OF MODIFIED CONJUGATED DIENE-BASED RUBBER - A method of production of modified conjugated diene-based rubber comprising a steps of using, as a polymerization initiator, an alkali metalated aromatic compound which has three or more carbon atoms which are directly bonded to alkali metal atoms and aromatic rings in one molecule so as to polymerize a monomer which contains at least a conjugated diene compound and reacting a compound of the following general formula (I) with an active ends of the obtained polymer is provided. | 12-11-2014 |
| 20150133601 | Method Of Making Alkoxysilane Stabilized Polymers, Polymer Compositions And Articles Containing Such Polymers - A method of making a polymer with stable Mooney viscosity is described. A conjugated diolefin is reacted in a hydrocarbon solvent in the presence of an initiator to form a polymer. After forming the polymer, alkoxysilane terminal functionalizing groups are bonded to the polymer. An alkoxysilane stabilizing agent is then added to the polymer in the presence of hydrocarbon oil. The polymer is then desolvatized, resulting in a polymer with stable Mooney viscosity, even over prolonged periods of time. Compositions and articles containing the polymer are also described. | 05-14-2015 |
| 20150148479 | FUNCTIONALIZED POLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention is directed to a functionalized elastomer comprising the reaction product of a living anionic elastomeric polymer and a polymerization terminator of formula I | 05-28-2015 |
| 20150322098 | Silane Sulfide Modified Elastomeric Polymers - The present invention relates to silane sulfide modifier compounds and methods of making them. The invention also relates to a silane sulfide modified macromolecular compound obtainable by reacting a living anionic elastomeric polymer and a silane sulfide modifier. The silane sulfide modified macromolecular compound may be provided in the form of a polymer composition, and the polymer composition may be vulcanized (cross-linked) by making use of and reaction with at least one vulcanization agent, resulting in a vulcanized polymer composition. | 11-12-2015 |
| 20150322241 | TIRE COMPRISING A COMPOSITION ESSENTIALLY FREE OF GUANIDINE DERIVATIVE AND COMPRISING A PRIMARY AMINE - A tire comprises a rubber composition based on at least one diene elastomer, a reinforcing filler predominantly comprising silica, a crosslinking system, and a primary amine of formula (I): R—NH | 11-12-2015 |
| 20150361210 | TIRE MEMBER, HYDROGENATED CONJUGATED DIENE POLYMER, AND POLYMER COMPOSITION - Provided is a tire member which is satisfactory in low fuel consumption performance and exhibits higher strength and more excellent abrasion resistance as compared with conventional ones. The tire member is a tire member obtained by subjecting a composition containing a hydrogenated conjugated diene polymer and a crosslinking agent to a crosslinking treatment, wherein the hydrogenated conjugated diene polymer is a hydrogenated product of a conjugated diene polymer that has a structural unit derived from butadiene and has a functional group at one end or both ends and the functional group is one or more groups selected from the group consisting of an amino group, an imino group, a pyridyl group, a phosphino group, a thiol group, and a hydrocarbyloxysilyl group. | 12-17-2015 |
| 20150361250 | THERMOSET COMPOSITE MATERIAL AND STRUCTURAL COMPONENT AND METHOD OF MAKING THE SAME FROM ENGINEERED RECYCLED RUBBER POWDER - A thermoset composite material that my used in the fabrication of structural components including railroad ties comprise a substantially homogeneous blend of an amount of vulcanized rubber particles including a predetermined ratio of different particles sizes, and a thermoset elastomeric binding agent added to the vulcanized rubber particles. The blend may comprise about 30% to about 97% by weight of the vulcanized rubber particles, and the blend is subjected to compression molding at a predetermined temperature and pressure for a resident time period forming the composite material. The ratio of different rubber particle sizes is selected so that the composite material has a desired density or is within a range of desired densities | 12-17-2015 |
| 20150368521 | HEAT ACTIVATED PRESSURE SENSITIVE ADHESIVE - A composition having three components. The first component is from 20 to 80 wt % of a styrene-diene block copolymer having from 10-30 wt % polymerized units of styrene, wherein the block copolymer is present as a dispersion of copolymer in water, and the dispersion contains less than 5 wt % organic solvent based on total dispersion weight. The second component is from 0.5 to 20 wt % of a plasticizer. The third component is from 20 to 80 wt % of a tackifier. | 12-24-2015 |
| 20150376321 | METHOD FOR PREPARING CONJUGATED DIENE POLYMER, COMPOSITION COMPRISING THE SAME AND TIRE COMPRISING THE COMPOSITION - Disclosed are a method for preparing a conjugated diene polymer including synthesizing an initiator having an anionic end containing an amine and a cationic end containing an alkali metal, polymerizing a combination of an aromatic vinyl monomer using the initiator to synthesize a polymer having a modified end, coupling or reacting the polymer with a compound having at least one silyl group substituted by an alkoxy group and a nitrogen atom to prepare a modified conjugated diene polymer having one end containing amine and the other end containing silyl group substituted by one or more alkoxy group and a nitrogen atom, and a rubber composition comprising the conjugated diene polymer and silica as a reinforcing agent and thus exhibiting superior heat generation, tensile strength, abrasion resistance and wet skid resistance. | 12-31-2015 |
| 20160046781 | TIRE RUBBER COMPOSITION AND PNEUMATIC TIRE - Provided is a rubber composition for tires that achieves a balanced improvement in wet grip performance, abrasion resistance, and roll processability, and a pneumatic tire formed from the rubber composition. The invention relates to a rubber composition for tires including, per 100 parts by mass of a rubber component, 1-60 parts by mass of an inorganic reinforcing agent having an average particle size of 0.69 μm or less and a nitrogen adsorption specific surface area of 10-50 m | 02-18-2016 |
| 20160053071 | RUBBER PREPARED WITH PRE-TREATED PRECIPITATED SILICA AND TIRE WITH COMPONENT - The invention relates to a rubber composition prepared with pre-treated precipitated silica and tire with component comprised of such rubber composition. The rubber composition is comprised of at least one diene-based elastomer and said pre-treated precipitated silica together with a sulfur cure package comprised of elemental sulfur together with 1,6-bis (N,N′-dibenzylthiocarbamoyldithio)-hexane crosslinking agent and sulfenamide accelerator. | 02-25-2016 |
| 20160053077 | FUNCTIONALIZED POLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention is directed to a functionalized elastomer having the formula | 02-25-2016 |
| 20160068659 | OIL EXTENDED FUNCTIONALIZED STYRENE-BUTADIENE COPOLYMER - The present invention refers to an oil extended functionalized styrene-butadiene copolymer wherein the functionalized styrene-butadiene copolymer comprises 15 to 50 wt. %, based on 100 wt. % of the copolymer, of repeating units based on styrene, 42 to 80 wt. %, based on 100 wt. % of the copolymer, of repeating units based on butadiene, and 5 to 43 wt. %, based on 100 wt. % of the copolymer, of units based on at least one functional monomer and wherein at least one extender oil is based on vegetable oils, preferably epoxidized vegetable oil. | 03-10-2016 |
| 20160075809 | SILANE-CONTAINING CARBOXY-TERMINATED POLYMERS - The present invention relates to and group-functionalized polymers having, at the and of the polymer chain, a sliane-containing carboxyl group of the formula (I) | 03-17-2016 |
| 20160083495 | COLD FLOW REDUCED POLYMERS WITH GOOD PROCESSING BEHAVIOUR - The present invention relates to cold flow-reduced polymers having good processing characteristics, these having, at the end of the polymer chain, a silane-containing carboxyl group of the formula (I) | 03-24-2016 |
| 20160083531 | FUNCTIONALIZED DIENE RUBBERS - The present invention relates to functionalised diene rubbers and their production, to rubber mixtures, comprising these functionalised diene rubbers, and to their use for the production of rubber vulcanisates, which serve in particular for the production of highly reinforced rubber mouldings. Particular preference is given to the use in the production of tyres which have particularly low rolling resistance, and particularly high wet slip resistance and abrasion resistance. | 03-24-2016 |
| 20160102164 | HIGH FLOW, HYDROGENATED STYRENE-BUTADIENE-STYRENE BLOCK COPOLYMERS AND APPLICATIONS - The invention relates to unique applications for the novel high melt flow, low viscosity, selectively hydrogenated styrene-butadiene-styrene (hSBS) or selectively hydrogenated controlled distribution styrene-butadiene/styrene-styrene (hSBSS) block copolymers, wherein the melt flow rate of said block copolymer is at least 100 g/10 min at 230° C. under 2.16 kg mass according to ASTM D1238. These block copolymers are novel and have the highest melt flow rate of any styrenic block copolymer also possessing high strength and elasticity. It has applications that prior to the present invention were not normally possible due to the normal low melt flow rate of styrenic block copolymers. The present invention also encompasses various fields of use such as a fiberglass hSBS or hSBSS reinforced mat, low viscosity hSBS or hSBSS coatings for industrial uses, hot melt adhesives prepared from hSBS or hSBSS blended with polyalpha-olefins, and elastic film, fiber, and nonwoven constructions using hSBS or hSBSS. | 04-14-2016 |
| 20160194411 | END-FUNCTIONAL CONJUGATED DIENE-BASED POLYMER AND MANUFACTURING METHOD THEREFOR | 07-07-2016 |
| 20160251518 | LOW HYSTERESIS CARBON BLACK | 09-01-2016 |
