| Entries |
| Document | Title | Date |
|---|
| 20090054551 | Rubber mixture and tire - The invention relates to a rubber mixture that can be cross-linked by sulphur and contains, in order to achieve low-temperature flexibility and high-temperature rigidity, at least one diene rubber, between 5 and 150 phr (weight parts in relation to 100 weight parts of the total rubber mass) of at least one type of soot with an iodine adsorption index >65 g/kg and a DBP index >90 cm | 02-26-2009 |
| 20100036018 | ACTIVATED HALO-CONTAINING ARALKYLSILANE COMPOSITION, PROCESS OF PREPARING SAME AND RUBBER COMPOSITIONS MADE THEREFROM - The invention is directed to an activated halo-containing aralkylsilanes possessing at least one hydrolyzable group bonded to a silicon atom and at least one halo functional group bonded to a carbon atom to which both the silicon atom and an aromatic group are covalently bonded. The invention is also directed to a process for making such a silane as well as its use in rubber compositions and articles containing such rubber compositions, such as tires. | 02-11-2010 |
| 20100099796 | TREAD FOR TIRE - Tyre tread comprising a rubber composition, the said composition comprising at least one diene elastomer, one reinforcing filler and one plasticizing system, characterized in that the said plasticizing system comprises, in combination:
| 04-22-2010 |
| 20110003912 | RUBBER COMPOSITION CONTAINING RICINOLEIC ACID (CO) POLYMER RUBBER, AND USE THEREOF - Rubber compositions of the invention give crosslinked rubber products having excellent flexibility. | 01-06-2011 |
| 20110034584 | MIXTURES OF SILICON-CONTAINING COUPLING REAGENTS - Mixtures of silicon-containing coupling reagents comprising (mercaptoorganyl)alkylpolyethersilanes containing silanol groups and (mercaptoorganyl)alkylpolyethersilanes free of silanol groups in a weight ratio of from 5:95 to 95:5. The mixtures can be prepared by transesterification and hydrolysis. The mixtures can be used in rubber mixtures. | 02-10-2011 |
| 20110077326 | FILLED ELASTOMERIC COMPOUNDS - The present invention provides a process for preparing a filled halobutyl elastomer, which includes mixing a halobutyl elastomer, mineral filler and a silylated additive. The present invention also provides a filled halobutyl elastomer containing a mineral filler and a silylated additive. | 03-31-2011 |
| 20110098378 | RUBBER COMPOSITIONS INCLUDING METAL-FUNCTIONALIZED POLYISOBUTYLENE DERIVATIVES AND METHODS FOR PREPARING SUCH COMPOSITIONS - A composition includes a vulcanizable diene rubber, a silica filler, and a metal-functionalized polyisobutylene succinic anhydride derivative. In one embodiment the composition has a reduced amount of oil and may include no oil. A tire tread composition includes, a silica filler, a metal-functionalized polyisobutylene succinic anhydride derivative, a rubber matrix, an optional oil, and one or more components selected from the group consisting of carbon black, vulcanizing agent, vulcanization accelerator, tackifier resin, antioxidant, wax, peptizer, vulcanization retarder, activator, processing additive, plasticizer, pigments, and antiozonant. A method for making the rubber composition and the tire tread is also provided. | 04-28-2011 |
| 20110112212 | TIRE - Provided is a tire using a rubber composition, in which: the rubber composition contains a rubber component and a filler; the rubber component contains (A) a modified conjugated diene polymer and (B) a modified conjugated diene-aromatic vinyl copolymer; a modifying agent used for each of the component (A) and the component (B) includes (C) a hydrocarbyloxysilane compound containing a nitrogen atom and a silicon atom or (D) a hydrocarbyloxysilane compound containing a silicon atom; a combination of an unmodified conjugated diene polymer and the modifying agent, and a combination of an unmodified conjugated diene-aromatic vinyl copolymer and the modifying agent include any one of the following items 1 to 3: 1: the conjugated diene polymer and the component (C), and the conjugated diene-aromatic vinyl copolymer and the component (D); 2: the conjugated diene polymer and the component (D), and the conjugated diene-aromatic vinyl copolymer and the component (C); and 3: the conjugated diene polymer and the component (C), and the conjugated diene-aromatic vinyl copolymer and the component (C); and the filler contains silica and carbon black at a mass ratio of 10:90 to 80:20, the tire having good low fuel consumption, good on-ice performance, good wet performance, and good dry performance. | 05-12-2011 |
| 20110112213 | Rubber mixture comprising environmentally friendly softeners cross reference to related applications - The invention relates to a rubber mixture, in particular for vehicle air-inflated tires, seat belts, belts and hoses. The rubber mixture is characterized by the following composition:
| 05-12-2011 |
| 20110112214 | RUBBER COMPOSITION FOR CAP TREAD AND STUDLESS TIRE - The present invention aims to provide a rubber composition that improves heat resistance and particularly inhibits the changes in properties such as hardness of the vulcanized rubber composition (rubber hardening degradation) due to long-term use without an increased amount of an age resistor, thereby extending the life-span without deterioration of performance on ice, and reduces vulcanization time while maintaining good scorch resistance, and increases cross-linking efficiency; and a studless tire having a cap tread produced from the composition. The rubber composition for a cap tread of the invention comprises: a rubber component containing an isoprene-based rubber; silica; a compound represented by formula (I) and/or (II); and a thiuram vulcanization accelerator, | 05-12-2011 |
| 20110144234 | RUBBER COMPOSITION - A rubber composition comprising:
| 06-16-2011 |
| 20110144235 | Method For Making Alkoxy-Modified Silsesquioxanes - A method is presented for making alkoxy-modified silsesquioxanes (AMS) or co-alkoxy-modified silsesquioxanes (co-AMS,) comprising the steps of (a) combining as a reaction mixture (i) water, (ii) an acid-stable solvent for the water, (iii) a solid strong cationic hydrolysis and condensation catalyst, and (iv) a trialkoxysilane compound, (b) allowing the reaction mixture to react for about 0.5 hours to about 200 hours to form the alkoxy-modified silsesquioxanes; and (c) recovering the alkoxy-modified silsesquioxanes from the reaction mixture. The use of solid strong cationic catalysts in this reaction system is advantageous because they remain as solids throughout the reaction, allowing simplified separation of the solid catalyst from the soluble AMS or co-AMS products, resulting in total or near total recovery of the AMS or co-AMS products, the products being free of, or substantially free of residual acid catalyst, as well as virtual total recovery of the catalyst for recycling. The improved AMS and co-AMS compounds, vulcanizable rubber compounds containing them, and a pneumatic tire having a component made from the vulcanized rubber compounds are also presented. | 06-16-2011 |
| 20110184084 | RUBBER COMPOSITION FOR TIRE AND TIRE - A rubber composition for tires which comprises at least one rubber component selected from natural rubber and synthetic rubbers and, based on 100 parts by mass of the rubber component, 0.1 to 45 parts by mass of (A) a terpene phenol resin and 1 to 150 parts by mass of (B) a softener comprising a process oil which comprises polycyclic aromatic compounds (PCA) in an amount such that the content of extracts with dimethyl sulfoxide (DMSO) in accordance with the method of IP346 is controlled to a value smaller than 3%. A rubber composition for tires which overcomes problems arising due to the use of a highly aromatic oil having a content of polycyclic aromatic compounds (PCA) controlled to a value smaller than 3% as the process oil in place of conventional highly aromatic oils and exhibits excellent loss property and rigidity and a tire which uses the rubber composition and exhibits excellent steering stability on dry road surfaces and excellent braking property on wet road surfaces can be provided. | 07-28-2011 |
| 20110184085 | TREAD RUBBER COMPOSITION FOR TWO-WHEELED VEHICLE TIRE AND TWO-WHEELED VEHICLE TIRE - It is an object of the present invention to provide a tread rubber composition for a two-wheeled vehicle tire which can exhibit both good wet grip performance and good chunk resistance, and a two-wheeled vehicle tire including a tread produced using the rubber composition. The present invention relates to a tread rubber composition for a two-wheeled vehicle tire, including: a rubber component, silica, and carbon black, wherein the rubber component contains natural rubber, and styrene butadiene rubber and/or butadiene rubber, the silica has a CTAB specific surface area of 180 m | 07-28-2011 |
| 20110184086 | RUBBER COMPOSITION AND TIRE USING THE SAME - This invention relates to a rubber composition which has an excellent processability but also improves a storage modulus (G′) and loss tangent (tan δ) at a low temperature and further improves a wear resistance, and more particularly to a rubber composition characterized by compounding more than 1 part by mass but less than 30 parts by mass of a low-molecular weight polymer component (B) having an amount of an aromatic vinyl compound bonded of less than 30 mass % and a weight average molecular weight as converted to polystyrene of 0.2×10 | 07-28-2011 |
| 20110184087 | BUTYL RUBBER COMPOUNDS COMPRISING A MIXED MODIFIER SYSTEM - Rubber compounds containing a halobutyl elastomer, at least one additional elastomer, a mineral filler and at least a three component mixed modifier system comprising a silane compound, a phosphine compound and an additive containing at least one hydroxyl group and a functional group containing a basic amine. A process for preparing the compounds is also disclosed. The compounds are particularly useful in tire treads and exhibit improved processability, traction, rolling resistance and wear properties. | 07-28-2011 |
| 20110190417 | Rubber Mixture Having Improved Fatigue Strength - The invention relates to a rubber mixture, in particular for pneumatic vehicle tires, more particularly for the inner liner of a pneumatic vehicle tire, seat belts, belts and hoses. The rubber mixture is characterized by the following composition: 30 to 100 phr of at least one halobutyl rubber, 0 to 70 phr of at least one other diene rubber, 5 to 100 phr of at least one dry mixture compound containing at least 25% of at least one delaminated alumohydrosilicate modification, the delaminated alumohydrosilicate modification having a two-layer grid, 10 to 100 phr of at least one carbon black with an STSA surface as defined according to ASTM-D 6556 of from 10 to 60 m | 08-04-2011 |
| 20110196063 | RUBBER COMPOSITION FOR TREAD AND TIRE USING THE RUBBER COMPOSITION - The present invention relates to a rubber composition for tread which is capable of improving wear resistance and tear resistance and reducing rolling resistance in a compatible manner. Specifically, the present invention relates to a rubber composition for tread, produced by blending carbon black with rubber components including modified conjugated diene-based polymer having at least one nitrogen-containing functional group, wherein the carbon black is obtained by a specific process and light transmittance of toluene extract thereof observed at the multi-stage rapid cooling medium introduction means satisfies relationships of formula (I) and formula (II) below. | 08-11-2011 |
| 20110213049 | RUBBER COMPOSITION FOR USE IN TIRE TREADS AND PNEUMATIC TIRE USING THE SAME - Rubber compositions for use in tire treads are disclosed and described. Such a composition may include a rubber component having from 40 to 80 parts by mass of a natural rubber and from 20 to 60 parts by mass of a diene rubber (other than said natural rubber) and, per 100 parts by mass thereof, from 80 to 150 parts by mass of a carbon black having a nitrogen specific surface area of from 250 to 450 m | 09-01-2011 |
| 20110230593 | TIRE RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention aims to provide a tire rubber composition that achieves a good balance of grip performance (especially, wet grip performance), abrasion resistance, cut and chip resistance, low rolling resistance, and kneadability, and a pneumatic tire using the same. The composition comprise: a rubber component including a styrene-butadiene rubber modified by a compound of formula (1): | 09-22-2011 |
| 20110237707 | TREAD HAVING A COMPOSITION CONTAINING A GUAR GUM POWDER - The invention relates to a tyre tread having a tyre tread rubber composition based on at least one diene elastomer, one reinforcing filler and one vulcanization system, characterized in that the composition comprises a guar gum powder in a proportion of 10 to 40 pce. | 09-29-2011 |
| 20110263750 | Tire with a Tread Comprising an SNBR Elastomer - The present invention relates to a tyre having a tread comprising a rubber composition that comprises at least:
| 10-27-2011 |
| 20110269871 | RUBBER COMPOSITION AND PNEUMATIC TIRE USING THE SAME - A rubber composition including a diene rubber and, per 100 parts by mass thereof, from 5 to 100 parts by mass of an inorganic filler, and from 0.5 to 40 parts by mass of a polyether polyamide elastomer, and a pneumatic tire using this rubber composition in a cap tread of a tread. | 11-03-2011 |
| 20110306700 | RUBBER COMPOSITION COMPRISING A BLOCKED MERCAPTOSILANE COUPLING AGENT - The invention relates to a rubber composition that is free of zinc or that contains less than 0.5 phr of zinc, which can be used for the manufacture of tyres, based on at least:
| 12-15-2011 |
| 20120016056 | RUBBER COMPOSITION FOR TREAD AND PNEUMATIC TIRE - An object of the present invention is to provide a rubber composition for a tread which can improve fuel economy, grip performance (in particular, wet grip performance), abrasion resistance and handling stability in a balanced manner, and a pneumatic tire produced using the rubber composition. The present invention relates to a rubber composition for a tread, including a molten mixture of a solid resin having a softening point of not lower than 40° C. and at least one softener selected from the group consisting of oils, liquid coumarone-indene resins, and liquid indene resins, and the molten mixture having a mass ratio of the solid resin to the softener of 90/10 to 50/50. | 01-19-2012 |
| 20120029114 | TIRE WITH RUBBER COMPONENT - Pneumatic rubber tire with a component comprised of a silica reinforced rubber composition comprised of specialized polybutadiene rubber, functionalized styrene/butadiene elastomer and cis 1,4-polyisoprene rubber. | 02-02-2012 |
| 20120041098 | RUBBER COMPOSITION FOR A TIRE CONTAINING EPOXIDE NATURAL RUBBER AND A PLASTICIZING RESIN - The present invention relates to a rubber composition based on at least an epoxidized natural rubber—, a reinforcing filler and, as plasticizing agent, an alpha-methylstyrene polymer resin. The invention also relates to the use of such a composition for the manufacture of a tyre tread exhibiting an improved compromise of properties with respect to grip on wet ground and rolling resistance. | 02-16-2012 |
| 20120071583 | POLYMER COMPOSITIONS WITH IMPROVED COLD FLOW - A method for preparing a polymeric composition, the method comprising providing a polymer cement including a polymer and a solvent; introducing a cold-flow inhibitor with the polymer cement, where the cold-flow inhibitor is selected from the group consisting of vicinal diamides, vicinal diureas and vicinal amide-ureas; and isolating at least a portion of the polymer and the cold-flow inhibitor from the solvent to provide a polymeric composition including the polymer and the cold-flow inhibitor. | 03-22-2012 |
| 20120108698 | FRICTION MATERIAL INCLUDING A PLURALITY OF BINDER PARTICLES WITH FRICTION MODIFYING PARTICLES BOUND THERETO - One exemplary embodiment includes a friction material including a base including a plurality of fibers. The base including an engagement surface, and a plurality of binder particles and friction modifying particles at the engagement surface. | 05-03-2012 |
| 20120157568 | SILICA REINFORCED RUBBER COMPOSITION WITH COMBINATION OF FUNCTIONALIZED ELASTOMER, LIQUID POLYMER AND RESIN AND TIRE WITH TREAD THEREOF - The invention relates to a silica reinforced rubber composition comprised of low Tg polybutadiene, particularly high cis 1,4-polybutadiene or high trans 1,4-polybutadiene with or without functional groups, and high Tg styrene/butadiene elastomers, particularly functionalized styrene/butadiene, elastomers, together with high Tg liquid unsaturated conjugated diene-based polymer, particularly styrene/butadiene polymer, which can also be functionalized, and high glass transition or softening point temperature (Tm or Tg) resins, particularly high Tg styrene/alpha methylstyrene resin. The invention relates to a tire having a tread comprised of such rubber composition. | 06-21-2012 |
| 20120208919 | PNEUMATIC TIRE - The invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising,
| 08-16-2012 |
| 20120252929 | RUBBER COMPOSITION FOR AIRCRAFT TIRE TREADS - Tire treads, especially tire treads for aircraft or for heavy vehicles, formed from a material that is based upon a cross-linkable rubber composition, the cross-linkable rubber composition comprising, per 100 parts by weight of rubber, between 40 phr and J 00 phr of a polyisoprene rubber, between 0 and 60 phr of a highly unsaturated diene rubber and between 1 phr and 25 phr of a polylerpene resin having a glass transition temperature of between 50° C. and 120° C. The rubber composition further includes between 0.1 phr and 10 phr of a poly-thiosulfate anti-reversion agent having the formula: MO | 10-04-2012 |
| 20120259037 | RUBBER COMPOSITION FOR USE IN TIRE TREADS AND PNEUMATIC TIRE USING THE SAME - A rubber composition for use in tire treads including a rubber component and, per 100 parts by mass thereof, from 1 to 20 parts by mass of the gel described below; and a pneumatic tire using the rubber composition in a tread. | 10-11-2012 |
| 20120259038 | RUBBER COMPOSITION FOR CAP TREAD AND WINTER TIRE - Provided are a rubber composition that makes it possible to improve heat resistance and particularly suppress changes in the properties (e.g. hardness) of the vulcanized rubber composition with long-term use (rubber hardening degradation) to suppress a reduction in performance on snow and ice to extend the life-span, without increase in the antioxidant amount, achieve good performance on snow and ice, wet-grip performance, and abrasion resistance, and reduce curing time and enhance cross-linking efficiency; and a winter tire including a cap tread produced from the composition. The rubber composition for a cap tread comprises a rubber component containing an isoprene-based rubber and butadiene rubber; silica; aromatic oil; a compound represented by formula (I) and/or formula (II); and a thiuram vulcanization accelerator, wherein the amount of silica is 15-80 parts by mass, and the amount of aromatic oil is 15-80 parts by mass, per 100 parts by mass of the rubber component. | 10-11-2012 |
| 20120264849 | METHOD FOR PREPARING A MASTERBATCH OF DIENE ELASTOMER AND SILICA - The invention relates to a method for preparing a silica/diene elastomer masterbatch, comprising the following successive steps:
| 10-18-2012 |
| 20120264850 | FRICTION ELEMENT FOR SYNCHRONIZING DEVICE - A friction element for a synchronizing device as well as an apparatus for producing a friction element for a synchronizing device are disclosed. | 10-18-2012 |
| 20120270966 | Composition based on natural rubber and a reinforcing inorganic filler comprising dihydrazide - Reinforced rubber composition based on at least (a) an elastomeric matrix predominantly based on natural rubber, (b) a reinforcing filler predominantly based on an inorganic filler, (c) a coupling agent and (d) a dihydrazide compound corresponding to the following formula I: | 10-25-2012 |
| 20120296008 | TREAD MIX - A tread mix comprising a cross-linkable unsaturated-chain polymer base; curing agents; silica; and a silane bonding agent; said mix being characterized in that said polymer base comprises a first SBR rubber comprising 20-40% of a first fraction with a mean molecular weight of 50-100×10 | 11-22-2012 |
| 20120302664 | RUBBER COMPOSITION FOR TIRE TREAD AND PNEUMATIC TIRE - A rubber composition for a tire tread includes a modified diene rubber comprising a styrene butadiene rubber and/or a polybutadiene rubber, having a functional group such as an amino group or a hydroxyl group, silica, a silane coupling agent, a lignin derivative, and a carbon masterbatch. The carbon masterbatch comprises a styrene butadiene rubber, and carbon black having iodine adsorption of from 60 to 130 g/kg, and a ratio of the amount (B) of a rubber in the carbon masterbatch to the amount (A) of the modified diene rubber is B/A=0.25 to 1. The total amount of the carbon black and the silica is from 40 to 100 parts by mass per 100 parts by mass of a rubber component, the proportion of the silica in fillers is from 25 to 80% by mass, and the amount of the lignin derivative is from 0.1 to 10 parts by mass. | 11-29-2012 |
| 20120309865 | Tire, the Tread of Which Comprises a Hydrogenated Thermoplastic Elastomer - A tire, the tread of which comprises a rubber composition comprising at least one diene elastomer, such as SBR and/or BR, a reinforcing filler, such as silica and/or carbon black, and more than 10 phr, preferably more than 15 phr, of a hydrogenated stirene thermoplastic elastomer. This composition, which exhibits a reduced viscosity in the raw state, makes it possible to obtain treads of tires exhibiting a reduced rolling resistance, while retaining a good level of wet grip. | 12-06-2012 |
| 20130012616 | RUBBER COMPOSITION FOR TIRE, AND PNEUMATIC TIRE - The present invention provides a rubber composition for a tire which can achieve both high levels of fuel economy and abrasion resistance, as well as excellent wet grip performance; and a pneumatic tire produced using the rubber composition. The rubber composition for a tire includes a rubber component that includes 5% by mass or more of a modified styrene butadiene rubber containing a constitutional unit derived from a specific nitrogen-containing compound in a main chain, based on 100% by mass of the rubber component; silica; and a compound represented by the following formula (I): | 01-10-2013 |
| 20130150484 | CELLULOSE ESTERS IN PNEUMATIC TIRES - A tire component is provided comprising an elastomeric composition containing at least one non-fibril cellulose ester, at least one primary elastomer, and one or more fillers, wherein said composition exhibits a dynamic mechanical analysis (DMA) strain sweep modulus as measured at 5% strain and 30° C. of at least 1,450,000 Pa and a molded groove tear as measured according to ASTM D624 of at least 120 lbf/in. | 06-13-2013 |
| 20130172443 | RUBBER COMPOSITION FOR TIRES AND PNEUMATIC TIRE - A rubber composition for tires contains a diene rubber, silica, a sulfur-containing silane coupling agent and a triethoxysilane containing an alkyl group having a prescribed number of carbon atoms, wherein 50 mass % or more of the aforementioned diene rubber is a styrene-butadiene copolymer rubber, the aforementioned sulfur-containing silane coupling agent has a mercapto group, the content of the aforementioned silica is from 5 to 150 parts by mass per 100 parts by mass of the aforementioned diene rubber, the content of the aforementioned sulfur-containing silane coupling agent is from 3 to 15 mass % relative to the content of the aforementioned silica, and the content of the aforementioned alkyltriethoxysilane is from 0.1 to 20 mass % relative to the content of the aforementioned silica. | 07-04-2013 |
| 20130184373 | MASTERBATCH, RUBBER COMPOSITION, AND PNEUMATIC TIRE - The present invention aims to provide a masterbatch which enables microfibrillated plant fibers to be well dispersed in a rubber composition so that they can provide reinforcement equal to or greater than that by conventional fillers; a rubber composition containing the masterbatch; and a pneumatic tire produced using the rubber composition. The present invention relates to a masterbatch containing a modified natural rubber with a phosphorus content of 200 ppm or less, and microfibrillated plant fibers. Preferably, the microfibrillated plant fibers in a primary form have an average fiber diameter of 4 nm to 10 μm and an average fiber length of 100 nm to 200 μm. | 07-18-2013 |
| 20130190423 | Rubber Compositions Including Metal Phosphate Esters - A composition includes a diene rubber and a metal phosphate ester of the formula: | 07-25-2013 |
| 20130203889 | Tire the Tread of which Comprises a Thermoplastic Elastomer - A tire whose tread comprises a rubber composition comprising at least one diene elastomer, for instance an SBR, a reinforcing filler, for instance a silica, and a polyether block amide (PEBA) thermoplastic elastomer. Such a composition has a reduced raw-state viscosity, thus promoting the processability of the treads, while at the same time conserving a good level of dry road holding and of rolling resistance. | 08-08-2013 |
| 20130203890 | TIRE, THE TREAD OF WHICH COMPRISES A RUBBER COMPOSITION A POLYVINYL ESTER RESIN - A tire, the tread of which comprises a rubber composition comprising a diene elastomer, such as, for example, an SBR or BR elastomer, a poly(vinyl ester) resin, at a content preferably of between 5 and 50 phr, and a reinforcing filler, such as silica and/or carbon black. The poly(vinyl ester) resin is in particular a vinyl ester homopolymer or copolymer of foimula R—C(═O)O—CH═CH2, at least one of the vinyl ester monomers of which comprises a radical R having more than 2 carbon atoms, preferably from 4 to 20 carbon atoms. Such a composition makes it possible to improve the wet grip of the treads of the tire and also the processability of such a composition. | 08-08-2013 |
| 20130225720 | Friction Material - This friction material, including the silicone rubber particles as the friction modifier, inhibits fall off and dislocation of the silicone rubber particles from the friction surface to provide effective abrasive resistance. For the friction material including the fiber base material, the binder, the abrasive material, and the friction modifier, the silane coupling agent dispersed silicone rubber particles, in which the silane coupling agent is dispersed, can be used as the friction modifier. The silane coupling agent dispersed silicone rubber particles includes between 0.1 and 5 weight % of the silane coupling agent and are between 0.5 and 20 volume % relative to the entire friction material and between 10 μm and 1,000 μm of the average particle diameter. The friction material includes between 0.1 and 20 volume % of the rigid inorganic particles relative to the entire friction material. The rigid inorganic particles are 5-9 Mohs' hardness and 1-5 μm average particle diameter. | 08-29-2013 |
| 20130231417 | RUBBER COMPOSITION THAT CAN BE USED FOR MANUFACTURING A TYRE OF WHICH THE COMPOSITION COMPRISES A STARCH AND AN AQUEOUS OR WATER-SOLUBLE PLASTICIZER - A rubber composition based on a diene elastomer, a crosslinking system, and a reinforcing filler is provided, as well as a process for obtaining the composition. The composition includes a starch in a proportion of from 10 to 50 phr (parts by weight per hundred parts of elastomer) and an aqueous or water-soluble plasticizer in a proportion of from 3 to 30 phr. The aqueous or water-soluble plasticizer is water or a mixture of water and glycerol, in which the water is predominant by weight in the aqueous or water-soluble plasticizer. The composition can be used for preparing calendered or profiled tyre-related products, such as a tyre tread, for example. | 09-05-2013 |
| 20130253088 | CURED GUAYULE RUBBER CONTAINING COMPOSITIONS AND METHOD FOR PREPARING SAME - Provided herein are cured rubber compositions containing guayule natural rubber with 2.5-4 weight % resin and fillers. By the use of a specified cure package that contains increased amounts of sulfur and accelerator, the cured rubber compositions are found to exhibit strain induced crystallization (as can be observed by X-ray diffraction). Also provided are related methods for preparing the rubber compositions. | 09-26-2013 |
| 20130274374 | RUBBER COMPOSITIONS CONTAINING NON-SULFUR SILICA COUPLING AGENTS BOUND TO DIENE RUBBERS - The invention provides vulcanizable rubber compound having improved tensile mechanical and dynamic viscoelastic properties. The compounds are formed by mixing an elastomer, containing unsaturated carbon-carbon bonds in its molecular structure, with a reinforcing inorganic filler silica in the presence of an alkyl alkoxysilane and a non-sulfur coupling agent that binds to the rubber backbone with an “ene” linkage or a 1,3 dipolar addition linkage. In particular, the coupling agent and the alkyl alkoxysilane are present in the compound in a weight ratio of about 0.0001:1 to about 1:1. | 10-17-2013 |
| 20130274375 | RUBBER COMPOSITION AND METHOD OF PRODUCING SAME, AND TIRE - The present invention provides a rubber composition that comprises a rubber component containing a polybutadiene and a dienic rubber or an olefinic rubber immiscible with the polybutadiene, and a filler, in which the Mooney viscosity (ML | 10-17-2013 |
| 20130289162 | Silica Filler Pretreated With Bio-Based Polyol And Elastomer Composition Containing The Same - A method includes mixing a filler including silica and a bio-based oil including a soy polyol to form a filler mixture, and mixing the filler mixture with an elastomer to form an elastomeric composition. The weight ratio of silica to the soy polyol is 1.5 to 2.5. The elastomer is present in an amount less than 25 weight percent of the elastomeric composition. | 10-31-2013 |
| 20130289163 | FUNCTIONAL DIENE ELASTOMER WITH A LOW PI AND IMPROVED COLD FLOW, AND RUBBER COMPOSITION CONTAINING SAME - The invention relates to a functionalized diene elastomer composed:
| 10-31-2013 |
| 20130303657 | RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention provides a rubber composition which makes it possible to improve the handling stability, ride comfort, and elongation at break in a balanced manner and at the same time to achieve satisfactory processability and fuel economy; and also provides a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition including a masterbatch that includes: a modified natural rubber with a phosphorus content of 200 ppm or less; and microfibrillated plant fibers. The rubber composition preferably has a ratio (E*a/E*b) of a complex modulus E*a in an extrusion direction to a complex modulus E*b in a perpendicular direction to the extrusion direction, both measured at a temperature of 70° C. and a dynamic strain amplitude of 2% under an initial elongation of 10%, of 1.05 to 6.00, wherein the complex modulus E*a is 7 to 100 MPa. | 11-14-2013 |
| 20130310483 | METHOD OF PRODUCING A TREAD COMPOUND - A method of producing a rubber compound, which includes mixing at least one cross-linkable unsaturated-chain polymer base, silica, a first type of silane coupling agent, and a second type of silane coupling agent. The second type of silane coupling agent is added to the mix after the first type of silane coupling agent has reacted with the silica. The first type of silane coupling agent is a trialkoxymercaptoalkyl-silane, and the second type of silane coupling agent is a mercaptosilane protected in the form of thioester. | 11-21-2013 |
| 20130324638 | RUBBER COMPOSITION FOR USE IN TIRE TREADS - A rubber composition comprises a diene rubber including not less than 30% by weight of a modified conjugated diene polymer rubber and, per 100 parts by weight of the diene rubber, from 1 to 25 parts by weight of a tackifying resin, and from 25 to 80 parts by weight of a filler comprising not less than 50% by weight of silica. The modified conjugated diene polymer rubber has a terminal modified group comprising a functional group that interacts with silica. In the modified conjugated diene polymer rubber, aromatic vinyl unit content is from 38% to 48% by weight, vinyl unit content is from 20% to 35%, weight-average molecular weight is from 600,000 to 1,000,000, and glass transition temperature is from −22 to −32° C. A glass transition temperature of the tackifying resin is from 50 to 110° C. higher than the glass transition temperature of the modified conjugated diene polymer rubber. | 12-05-2013 |
| 20130331480 | RUBBER COMPOSITION AND TIRE PRODUCED USING SAME, AND PROCESS OF PRODUCING RUBBER COMPOSITION - Rubber composition containing at least 10 parts by mass, in 100 parts by mass of a rubber component, of a polymer component (B) containing a residue of an organic acid (A) added in a production process of the polymer, and containing from 10 to 150 parts by mass of a reinforcing filler (C), and 6 parts by mass or less in total of the residue of an organic acid (A) and an organic acid (D) used on mixing, per 100 parts by mass of the rubber component, thereby providing a rubber composition and a tire produced by using the composition, by defining the total amount of an acidic component with respect to the total mixed rubber, including an organic acid, such as stearic acid, and an organic acid contained in a residue of an emulsifier added in a production process of emulsion-polymerized SBR. | 12-12-2013 |
| 20130338256 | PNEUMATIC TIRE - The invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, expressed as parts by weight per 100 parts by weight of elastomer (phr),
| 12-19-2013 |
| 20130345335 | RUBBER COMPOSITION, METHOD FOR PRODUCING SAME, AND TIRE - A rubber composition that can obtain a rubber elastic body having small rolling resistance and excellent impact resilience and a method for producing the same, and a tire having small rolling resistance and excellent impact resilience are provided. The rubber composition of the present invention is obtained by kneading a conjugated diene polymer having a functional group bondable to silica, an acylate compound containing metal and silica. In the present invention, a polymer having no functional group bondable to silica is preferably kneaded as a rubber component other than the conjugated diene polymer, together with the conjugated diene polymer having a functional group bondable to silica, the acylate compound containing metal and the silica. | 12-26-2013 |
| 20130345336 | TIRE, THE TREAD OF WHICH COMPRISES A THERMOPLASTIC POLYURETHANE BLOCK COPOLYMER - A tire, the tread of which comprises a rubber composition comprising at least: as first elastomer, a diene elastomer; as second elastomer, a thermoplastic polyurethane block copolymer with polyurethane blocks and polydiene blocks; 70 to 150 pce of an inorganic reinforcing filler; a plasticizing system comprising: with a content A of 5 to 60 pce, a hydrocarbon resin, the Tg of which is higher than 20° C.; with a content B of 5 to 60 pce, a plasticizer which is liquid at 20° C., and the Tg of which is lower than −20° C.; it being understood that A+B is higher than 30 pce. The use of a thermoplastic polyurethane block copolymer with polyurethane blocks and polydiene blocks, in particular in the presence of high filler and plasticizer contents, in the composition of a tire tread as per the present invention enables tires having improved grip on wet ground to be obtained. | 12-26-2013 |
| 20130345337 | RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention provides a rubber composition that can enhance the fuel economy, wet-grip performance, and abrasion resistance in a balanced manner, and a pneumatic tire using this rubber composition. The present invention relates to a rubber composition that contains a rubber component, silica, and a liquid resin having a softening point of −20 to 20° C., wherein the rubber component contains, based on 100% by mass of the rubber component, not less than 5% by mass of a conjugated diene polymer containing a constituent unit based on a conjugated diene and a constituent unit represented by formula (I) below, at least one terminal of the polymer being modified with a specific compound; and an amount of the silica is 5 to 150 parts by mass per 100 parts by mass of the rubber component. | 12-26-2013 |
| 20140005297 | RUBBER COMPOSITION HAVING A CROSSLINK DISTRIBUTION, ITS PREPARATION AND ARTICLE WITH COMPONENT | 01-02-2014 |
| 20140011910 | RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention provides a rubber composition that can enhance the fuel economy, wet-grip performance, abrasion resistance, and kneading processability in a balanced manner, and a pneumatic tire using this rubber composition. The present invention relates to a rubber composition that contains a rubber component and silica, wherein the rubber component contains, based on 100% by mass of the rubber component, 10 to 70% by mass of a high-cis polybutadiene having a cis content of 95% by mass or more and satisfying the following requirements (A) to (C): (A) a Mooney viscosity (ML) of 40 to 49; (B) a molecular weight distribution (weight-average molecular weight (Mw)/number-average molecular weight (Mn)) of 3.0 to 3.9; and (C) an index (n-value in Expression (1) below) of velocity dependence of Mooney viscosity of 2.3 to 3.0, and 30 to 90% by mass of a conjugated diene polymer containing a constituent unit based on a conjugated diene and a constituent unit represented by formula (I) below, and an amount of the silica is 5 to 150 parts by mass per 100 parts by mass of the rubber component, | 01-09-2014 |
| 20140128498 | TIRE MEMBER AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a tire member, that improves various performances such as abrasion resistance, tear strength, fatigue resistance and the like of the tire member in good balance is provided. The method includes a step (A) for mixing at least a rubber component, a filler and a thiosulfuric acid compound containing an amino group, and a step (B) for mixing the mixture obtained by the step (A), a sulfur component, and a vulcanization accelerator, wherein the thiosulfuric acid compound containing an amino group is added in an amount of 0.2 parts by mass or more to 100 parts by mass of the rubber component in the step (A), and a temperature of the mixture during mixing is maintained within a range of from 145 to 170° C. for 20 seconds or more in the step (A). | 05-08-2014 |
| 20140128499 | RUBBER COMPOSITION INCLUDING A THIAZOLE DERIVATIVE - A rubber composition for the manufacture of tyres is based on one or more diene elastomers, one or more reinforcing fillers, and a vulcanization system. The vulcanization system includes one or more thiazole compounds chosen from compounds having the following formula (I): | 05-08-2014 |
| 20140135424 | RUBBER COMPOSITION AND TIRE WITH COMPONENT COMPRISED OF POLYISOPRENE RUBBER AND SOYBEAN OIL - This invention relates to a rubber composition and tire with component comprises of such rubber composition comprised of a combination of cis 1,4-polyisoprene rubber, desirably natural rubber, and low level of soybean oil. | 05-15-2014 |
| 20140135425 | RUBBER COMPOSITION FOR TREAD, AND PNEUMATIC TIRE - Provided are a rubber composition for a tread, capable of improving the fuel economy and abrasion resistance in a balanced manner while achieving a good appearance and a good cure rate; and a pneumatic tire containing the rubber composition. The present invention relates to a rubber composition for a tread, including: a solution-polymerized styrene-butadiene rubber, carbon black, silica, and polyethylene glycol, wherein a rubber component of the rubber composition contains 60 mass % or more of the solution-polymerized styrene-butadiene rubber based on 100 mass % of the rubber component, and the rubber composition includes, per 100 parts by mass of the rubber component, 10 parts by mass or less of the carbon black, 50 parts by mass or more of the silica, and 0.1 to 3.5 parts by mass of the polyethylene glycol. | 05-15-2014 |
| 20140142214 | RUBBER COMPOSITION AND TIRE - The present invention is directed to a rubber composition comprising at least one diene based elastomer; an α,ω-bis(N,N′-dihydrocarbylthiocarbamamoyldithio)alkane; and sulfur in a form selected from the group consisting of elemental sulfur and insoluble sulfur; wherein the rubber composition is essentially free of cure accelerators. | 05-22-2014 |
| 20140148527 | AMINE FUNCTIONALIZED POLYMER - A macromolecule includes a functional group including imine functionality bonded to a polymer chain. Where desired, the functional group also can contain additional (e.g., amine and/or silane) functionality. The material can be provided by reacting a polymer including carbonyl functionality with a compound including a primary amino group. The functional group can interact with particulate filler such as, e.g., carbon black and silica. | 05-29-2014 |
| 20140155518 | RUBBER MIXTURES CONTAINING SILICIC ACID AND SULFUR-CONTAINING ADDITIVES - The present invention relates to silica-containing rubber mixture produced from at least one rubber, from a sulphur-containing alkoxysilane, from a crosslinking agent, from a filler, and optionally from further rubber auxiliaries, where the said mixture comprises from 0.1 to 15 parts by weight, based on 100 parts by weight of rubber used, of a silicon-free polysulphide additive of the formula (I) | 06-05-2014 |
| 20140155519 | TIRE WITH A TREAD COMPRISING AN EMULSION SBR HAVING A HIGH TRANS CONTENT - The present invention relates to a tyre, the tread of which comprises a rubber composition comprising at least:
| 06-05-2014 |
| 20140155520 | RUBBER COMPOSITION FOR USE IN TIRES - A rubber composition comprises from 2 to 50 parts by weight of an aromatic modified terpene resin having a softening point of ≧100° C., and two types of silica, a silica X and a silica Y, at a total quantity of 60 to 130 parts by weight relative to 100 parts by weight of a diene rubber containing from 5 to 50 weight % of a modified S-SBR having a vinyl content of not lower than 60 weight %. A functional group in the modified S-SBR reacts with a silanol group, a proportion of silica relative to the total quantity of a reinforcing filler containing the silica and carbon black is not lower than 85 weight %, a nitrogen specific surface area of the silica X is not lower than 140 m | 06-05-2014 |
| 20140155521 | RUBBER COMPOSITION FOR TIRES AND PNEUMATIC TIRE - The present invention provides a rubber composition for tires capable of improving handling stability, fuel economy, wet grip performance, elongation at break, and abrasion resistance together while maintaining the balance between them. The present invention also provides a pneumatic tire including the rubber composition. The present invention relates to a rubber composition for tires containing a diene rubber, silica having a BET specific surface area of 170 to 270 m | 06-05-2014 |
| 20140194552 | RUBBER COMPOSITION FOR TIRES, AND PNEUMATIC TIRE - Provided are: a rubber composition for tires capable of improving fuel economy, wet grip performance, and abrasion resistance; and a pneumatic tire including the same. Included is a rubber composition for tires including: a diene polymer; silica; and a liquid resin having a softening point of −20 to 20° C., the diene polymer being a modified diene polymer obtained by reacting components (A) and (B), the liquid resin being present in an amount of 3-40 parts by mass per 100 parts by mass of the rubber component, the component (A) being an active alkali metal-terminated conjugated diene polymer obtained by polymerizing a conjugated diene monomer alone or with an aromatic vinyl monomer, in the presence of a component (C) the component (B) being a modifier containing a functional group, the component (C) being a chemical species obtained by reacting an organic alkali metal compound and a compound of Formula (1) below. | 07-10-2014 |
| 20140206793 | RUBBER COMPOSITION AND PNEUMATIC TIRE - Provided are: a rubber composition that improves fuel economy, wet grip performance, and dry grip performance together while maintaining the balance between them; and a pneumatic tire whose component (particularly tread) includes the rubber composition. The invention relates to a rubber composition containing: a rubber component containing a copolymer; and a silica, wherein the copolymer is obtained by copolymerization of 1,3-butadiene, styrene, and a compound of formula (I) below, has an amino group at a first chain end and a functional group containing at least one atom selected from the group consisting of nitrogen, oxygen, and silicon at second chain end, and has a Mw of 1.0×10 | 07-24-2014 |
| 20140213693 | RUBBER COMPOSITION AND STUDLESS TIRE - Provided are a rubber composition capable of achieving a balanced improvement in performance on ice and snow, fuel economy, abrasion resistance, rubber strength, wet-grip performance, and dry handling stability, and a studless winter tire including the rubber composition. The present invention relates to a rubber composition including a specific conjugated diene polymer obtained by using a polymerization initiator represented by the formula (I) below, a high-cis polybutadiene having a cis microstructure content of not less than 95% by mass, a polyisoprene-based rubber, and a silica having a N | 07-31-2014 |
| 20140221525 | RUBBER COMPOSITION FOR STUDLESS WINTER TIRES, AND STUDLESS WINTER TIRE - Provided are: a rubber composition for studless winter tires, achieving balanced improvement in performance on ice and snow, wet grip performance, and abrasion resistance; and a studless winter tire including a tread formed from the same. The rubber composition for studless winter tires includes: a rubber component including NR and BR; an aromatic oil; silica; and carbon black, wherein the combined amount of NR and BR is 30 mass % or more per 100 mass % of the rubber component; the amount of aromatic oil is 12-85 parts by mass per 100 parts by mass of the rubber component; the silica content is 45 mass % or more per 100 mass % in total of silica and carbon black; the silica includes at least one silica (1) with an N | 08-07-2014 |
| 20140221526 | OFF-ROAD TIRE TREAD - The invention relates to an off-road tire tread comprising a composition based on at least one filler, a crosslinking system, from 50 to 80 parts by weight, per hundred parts by weight of elastomer (phr), of at least one isoprene elastomer and from 20 to 50 phr of at least one tin-functionalized copolymer of butadiene and styrene having a low styrene content, the total content of isoprene elastomer and of tin-functionalized copolymer of butadiene and styrene having a low styrene content being within a range varying from 85 to 100 phr. | 08-07-2014 |
| 20140235751 | TIRE WITH IMPROVED GRIP ON WET GROUND - A tire having an improved wet grip, in particular for a passenger vehicle, a van, or a two-wheel vehicle, includes a tread formed of a rubber composition. The rubber composition includes at least (phr meaning parts by weight per hundred parts of elastomer):
| 08-21-2014 |
| 20140256846 | ELASTOMER COMPOSITION HAVING A VERY GOOD DISPERSION OF THE CHARGE IN THE ELASTOMER MATRIX - The invention relates to a rubber composition based on at least one diene elastomer, a reinforcing filler including at least carbon black, having a specific surface area CTAB greater than or equal to 130 m | 09-11-2014 |
| 20140256847 | RUBBER COMPOSITION, AND PNEUMATIC TIRE - Provided are a rubber composition achieving balanced improvement in processability, fuel economy, rubber strength, abrasion resistance, wet-grip performance, and handling stability, and a pneumatic tire including the composition. The rubber composition includes, per 100% by mass of a rubber component, at least 35% by mass of SR, the composition including a conjugated diene polymer and a silica having N | 09-11-2014 |
| 20140275331 | RUBBER COMPOSITION FOR BASE TREAD, AND PNEUMATIC TIRE - Provided are a rubber composition for a base tread capable of improving fuel efficiency, handling stability, and durability (flex crack growth resistance) in a balanced manner, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for a base tread, including: a rubber component and a reinforcing agent, the rubber component including natural rubber, a butadiene rubber (1) containing 1,2-syndiotactic polybutadiene crystals, a butadiene rubber (2) synthesized in the presence of a rare earth catalyst, and a modified butadiene rubber (3) having a cis content of not more than 50% by mass. | 09-18-2014 |
| 20140296373 | STUDLESS WINTER TIRE - Provided is a studless winter tire which provides good performance on ice and snow and good abrasion resistance, and suffers little change in hardness and little discoloration on the tire surface. The present invention relates to a studless winter tire including a tread formed from a rubber composition containing a predetermined amount of a farnesene resin obtained by polymerizing farnesene. The present invention relates to a studless winter tire including a tread formed from a rubber composition containing a predetermined amount of at least one myrcene resin selected from the group consisting of myrcene polymers with a Mw of 1,000-500,000, myrcene-butadiene copolymers with a Mw of 1,000-500,000, and myrcene-styrene copolymers with a Mw of 1,000-150,000; and a predetermined amount of a silica with an N | 10-02-2014 |
| 20140296374 | RESIN COMPOSITION FOR WET FRICTION MATERIAL, PHENOLIC RESIN FOR WET FRICTION MATERIAL AND WET FRICTION MATERIAL - A phenolic resin for a wet friction material of the present invention is a phenolic resin used in a wet friction material and a bisphenol-modified phenolic resin modified with bisphenols. In addition, a wet friction material of the present invention is formed using the phenolic resin for a wet friction material. | 10-02-2014 |
| 20140296375 | Silica-Filled Rubber Composition And Method For Making The Same - Disclosed is a method of preparing a rubber composition comprising the steps of (a) blending in at least one preparatory mixing step at least one natural or synthetic rubbery polymer, a silica filler, a silica coupling agent, and at least one vulcanization accelerator; and (b) subsequently blending therewith in a final mixing step a sulfur curative, wherein the final mixing step is void of any vulcanization accelerator. | 10-02-2014 |
| 20140296376 | RUBBER COMPOSITION, AND PNEUMATIC TIRE - Provided are: a rubber composition a achieving balanced improvement in processability, fuel economy, rubber strength, abrasion resistance, wet-grip performance, and handling stability, and a pneumatic tire including the composition. Included is a rubber composition including a conjugated diene polymer and a silica having N | 10-02-2014 |
| 20140329930 | RUBBER COMPOSITION AND PNEUMATIC TIRE - Provided are a rubber composition achieving balanced improvements in fuel economy, wet-grip performance, abrasion resistance, and handling stability, and a pneumatic tire including the composition. The rubber composition includes a rubber component including at least 95% by mass of conjugated diene polymers having a Tg of −75-0° C. and a Mw of 1.5×10 | 11-06-2014 |
| 20140329931 | RUBBER COMPOSITION AND PNEUMATIC TIRE - Provided are a rubber composition improving wet-grip performance and its temperature dependence while ensuring good fuel economy, and a pneumatic tire including the composition. The composition includes, per 100% by mass of a rubber component: 5-55% by mass of an aromatic vinyl compound/conjugated diene compound copolymer (A) having an aromatic vinyl compound content of at least 5% by mass but less than 15% by mass and a vinyl bond content in a conjugated diene compound moiety of 10-70 mol %; and 5-75% by mass of an aromatic vinyl compound/conjugated diene compound copolymer (B) having an aromatic vinyl compound content of at least 15% by mass but less than 30% by mass and a vinyl bond content in a conjugated diene compound moiety of 10-70 mol %, and also includes, per 100 parts by mass of the rubber component, 10-150 parts by mass of a silica having a N | 11-06-2014 |
| 20140343190 | TIRE PROVIDED WITH A TREAD MADE FROM A MIXTURE OF A DIENE ELASTOMER AND A THERMOPLASTIC ELASTOMER - A tire includes a tread, having improved airtightness. The tread includes at least one rubber composition comprising at least one or more diene elastomers at a total content of 1 to 99 phr, one or more thermoplastic elastomers having a polyisobutylene block at a total content of 1 to 99 phr, optionally a reinforcing filler at a content of 0 to 200 phr, and a crosslinking system. | 11-20-2014 |
| 20140350138 | RUBBER COMPOSITION - Rubber composition based on at least one reinforcing filler comprising a reinforcing inorganic filler, one plasticizing system composed of at least one plasticizing hydrocarbon resin and one liquid plasticizer, one elastomer which is a copolymer at least of isoprene and styrene bearing at least one SiOR functional group, R being hydrogen or a C | 11-27-2014 |
| 20140357758 | COPPER-FREE FRICTION MATERIAL COMPOSITION FOR BRAKE PADS - A copper-free friction material composition for brake pads consists of the following components by weight parts: 0.43 parts of aramid fiber, 1.9 parts of tyre powder, 6 parts of heavy magnesia, 2.55 parts of calcined petroleum coke, 8 parts of ceramic fiber, 6.5 parts of phenolic resin, 14 parts of aluminium silicate fiber, 22 parts of potassium hexatitanate crystal whisker, 25 parts of barite powder, 5 parts of granular graphite, 2 parts of antimony sulfide, 2.8 parts of friction powder of cashew nut oil, 0.9 part of boron nitride, 5 parts of flake aluminum powder, and 0.6 parts of tantalum carbide. The friction material of the present invention is environment-friendly material and contains little heavy metals; hence the friction material is highly environment friendly. And trials show that it has satisfactory high temperature and thermal decay resistant performance, long service life, good abrasion resistance and stable friction coefficient. With the friction material of the present invention used, the brake pad of vehicles is sensitive and stable during braking, produces no screech, is comfortable and has no damage on coupling plate. | 12-04-2014 |
| 20140357759 | RUBBER COMPOSITION, RUBBER ELASTOMER, TIRE AND BLOCK COPOLYMER - A rubber composition by which a rubber elastic body having both of excellent low rolling resistance and wet skid resistance and also having excellent mechanical strength and wear resistance can be obtained, a rubber elastic body, a tire, and a block copolymer are provided. The rubber composition of the present invention comprises a block copolymer (A) comprising a block (a-1) of a conjugate diene and an aromatic vinyl and a block (a-2) of a conjugate diene or the diene and an aromatic vinyl, a specific polymer (B) other than the copolymer, and a filler (C), wherein the block copolymer (A) has a specific functional group; the block copolymer (A) has two glass transition temperatures separated from each other by 5° C. or more within a range of −100 to 20° C. in measurement in accordance with ASTM D3418; and the ratio of the block copolymer (A) is 10% by mass or more when the sum of the block copolymer (A) and the polymer (B) is taken as 100% by mass. | 12-04-2014 |
| 20140371345 | RUBBER TIRE COMPOSITION COMPRISING AN AZO-SILANE COUPLING AGENT - A tire rubber composition based on at least one diene elastomer, an inorganic filler as reinforcing filler, a coupling agent providing the bonding between the inorganic filler and the diene elastomer, wherein the coupling agent is an azosilane compound of formula (I): (G | 12-18-2014 |
| 20140371346 | LOW RIGIDITY TIRE TREAD - Treads and tires having such treads having improved characteristics that break the compromise between wet/dry traction and wear. Such treads may comprise a rubber composition based upon a cross-linkable elastomer composition having a highly unsaturated diene elastomer and between 100 phr and 160 phr of an inorganic reinforcing filler. Embodiments may further include an effective amount of a plasticizing system that includes a plasticizing resin having a glass transition temperature (Tg) of at least 25° C. and a plasticizing liquid. The effective amount of the plasticizer system may be between 60 phr and 130 phr for particular embodiments and is effective in the amount for providing the rubber composition with a shear modulus G* measured at 60° C. of between 0.4 MPa and 1 MPa, Particular embodiments may further include the rubber composition forming the tire tread, to have a glass transition temperature of between −30° C. and 0° C. | 12-18-2014 |
| 20140371347 | FRICTION MATERIAL - The present invention provides a friction material having compatibility between a high effectiveness and a long life. For that purpose, a titanate compound and a cerium oxide are contained in the friction material, wherein the cerium oxide has an average particle size of 1 μm or less. | 12-18-2014 |
| 20140378575 | ELASTOMERIC COMPOSITION HAVING A VERY GOOD DISPERSION OF THE FILLER IN THE ELASTOMERIC MATRIX - The invention relates to a rubber composition based on at least one diene elastomer, a reinforcing filler comprising at least carbon black having a CTAB specific surface of greater than or equal to 130 m | 12-25-2014 |
| 20150011676 | RUBBER COMPOSITION FOR TIRE AND PNEUMATIC TIRE - A rubber composition for a tire includes a rubber component, aluminum hydroxide particles having an average particle diameter in a range of 1.5 μm or smaller and a nitrogen adsorption specific surface area of 3˜60 m | 01-08-2015 |
| 20150011677 | RUBBER COMPOSITION AND METHOD FOR PRODUCING SAME - A rubber composition obtained by dry-mixing a natural rubber wet master batch yielded by mixing at least a natural rubber latex and a carbon-black-containing slurry solution with each other in a liquid phase and drying the resultant mixture, a dry rubber made mainly of a polybutadiene rubber, and an oil, wherein when the total amount of rubber components in the rubber composition is regarded as 100 parts by mass, the natural rubber is contained in an amount of 50 parts or more by mass, and the polybutadiene rubber is contained in an amount of 20 to 50 parts by mass, and the oil has a pour point of −10 C or lower, and an aniline point of 90 C or higher, and the blend amount of the oil is from 15 to 40 parts by mass for 100 parts by mass of the rubber components. | 01-08-2015 |
| 20150018449 | METHOD FOR PRODUCING RUBBER MASTER BATCH - A method for producing a rubber master batch, comprising: blending, into a diene rubber, 0.1 to 0.5 parts by mass of a peptizing agent, 0.1 to 5.0 parts by mass of a dihydrazide compound, and 10 to 35 parts by mass of a carbon black simultaneously for 100 parts by mass of the diene rubber, and kneading the resultant blend. | 01-15-2015 |
| 20150025173 | POLYMER, RUBBER COMPOSITION CONTAINING POLYMER, CROSSLINKED RUBBER COMPOSITION OBTAINED BY CROSSLINKING RUBBER COMPOSITION, AND TIRE HAVING CROSSLINKED RUBBER COMPOSITION - Provided are: a polymer capable of providing a crosslinked rubber composition with improved durability (i.e., breaking resistance, abrasion resistance, and crack growth resistance) and a method for producing the same, a rubber composition containing the polymer, a crosslinked rubber composition obtained by crosslinking the rubber composition, and a tire having the crosslinked rubber composition. The polymer is either a synthesized polyisoprene or an isoprene copolymer, and contains a residual catalyst in an amount of 300 ppm or less. | 01-22-2015 |
| 20150031787 | FRICTION MATERIAL - One variation includes a friction material wherein the friction material may be fabricated from fibers, particles, a chemical binder, and a resin bonding agent wherein the particles are aggregated. | 01-29-2015 |
| 20150031788 | LOW COPPER-CONTAINING FRICTION MATERIAL COMPOSITION USED AS BRAKE PAD - A low copper-containing friction material composition used for brake pad is provided, which consists of the following components by weight parts: 4˜6 parts of aramid fiber, 2˜2.5 parts of tyre powder, 5˜6 parts of heavy magnesia, 5˜6 parts of red vermiculite, 8˜10 parts of ceramic fiber, 3.5˜5 parts of magnetite, 7˜8 parts of boron-containing phenolic resin, 15˜17 parts of calcium sulfate crystal whisker, 16-18 parts of potassium titanate, 15˜17 parts of barite, 5.5˜7 parts of flake graphite, 6˜8 parts of friction powder of cashew nut oil, 6˜8 parts of calcined petroleum coke, 1.5˜2 parts of boron nitride, 5˜7 parts of flake aluminum powder, 0.4˜0.5 parts of pure copper fiber, 0.4˜0.6 parts of black silicon carbide. Said friction material composition is highly environmental friendly and has low content of heavy metal, wherein the content of copper is lower than 0.5%, and an excellent friction layer and transfer membrane can be formed when using said friction material composition. Said friction material composition has a satisfactory high temperature and thermal decay resistant performance, long service life, good abrasion resistance and stable friction coefficient. | 01-29-2015 |
| 20150031789 | RUBBER TYRE COMPOUND - A rubber tyre compound having a polymer base; a curing system, which cures the polymer base by means of heating; and basalt fibres with a length/diameter ratio ranging from 20 to 2000. | 01-29-2015 |
| 20150031790 | MICROGEL-CONTAINING TREAD MIXTURE FOR WINTER TYRES - The present invention relates to vulcanizable rubber mixtures comprising at least the following components:
| 01-29-2015 |
| 20150031791 | Rubber Composition for Tire Treads - The invention provides a rubber composition for use in tire treads that enhances low rolling resistance, wet performance and wear resistance to conventional levels or above. It comprises, per 100 parts by weight of a diene rubber containing from 35% to 89% by weight of a modified conjugated diene polymer rubber and from 11% to 40% by weight of a butadiene rubber, from 3 to 60 parts by weight of an aromatic modified terpene resin and from 100 to 150 parts by weight of a filler; the filler containing not less than 70% by weight of a silica; a ratio Wte/Wbr of the compounded amount of the aromatic modified terpene resin Wte to the compounded amount of the butadiene rubber Wbr being from 0.5 to 1.3; the modified conjugated diene polymer rubber having a terminal modified group including a functional group that interacts with the silica; an aromatic vinyl unit content being from 38% to 48% by weight of the modified conjugated diene polymer rubber, a vinyl unit content being from 20% to 35% by weight of the modified conjugated diene polymer rubber, and a weight-average molecular weight of the modified conjugated diene polymer rubber being from 600,000 to 1,000,000; and a softening point of the aromatic modified terpene resin being from 100° C. to 150° C. | 01-29-2015 |
| 20150057391 | RUBBER COMPOSITION FOR TIRE TREAD AND TIRE MANUFACTURED BY USING THE SAME - Provided are a rubber composition for tire tread containing 100 parts by weight of raw material rubber, 10 parts to 100 parts by weight of a reinforcing filler, and 1 part to 20 parts by weight of a silane compound represented by the following formula (1), the raw material rubber containing 40 parts to 90 parts by weight of a styrene-butadiene rubber and 10 parts to 60 parts by weight of a butadiene rubber; and a tire produced using the rubber composition. The rubber composition for tire tread exhibit improved dispersibility, processability, mechanical characteristics, abrasion resistance performance, and rolling resistance characteristics. | 02-26-2015 |
| 20150057392 | COPOLYMER, RUBBER COMPOSITION USING SAME, AND TIRE - The present invention relates to a random copolymer including a monomer unit (a) derived from an aromatic vinyl compound and a monomer unit (b) derived from farnesene; a process for producing the copolymer including at least the step of copolymerizing an aromatic vinyl compound with farnesene; a rubber composition including (A) the copolymer, (B) a rubber component and (C) carbon black; a rubber composition including (A) the copolymer, (B) a rubber component and (D) silica; a rubber composition including (A) the copolymer, (B) a rubber component, (C) carbon black and (D) silica; and a tire using the rubber composition at least as a part thereof. | 02-26-2015 |
| 20150073067 | RUBBER COMPOSITION, CROSSLINKED RUBBER COMPOSITION AND TIRE - The present invention provides a rubber composition that can offer excellent abrasion resistance when applied to a tire member such as a tread, without deteriorating rolling resistance. To solve the problem, a rubber composition according to the present invention contains a rubber component, hydrous silicate, and a surfactant, in which the hydrous silicate is modified by the surfactant before being kneaded with the rubber component. | 03-12-2015 |
| 20150080493 | RUBBER COMPOSITION FOR TIRE TREAD AND PNEUMATIC TIRE - A rubber composition for a tire tread comprising 100 parts by mass of a diene rubber, 10 to 150 parts by mass of a reinforcing filler, and 0.1 to 30 parts by mass of an acid-treated silk powder having a 90% volume particle diameter (D90) of 500 μm or less. A pneumatic tire having a tread comprising the rubber composition. | 03-19-2015 |
| 20150087744 | ANTISTATIC RUBBER COMPOUND AND ANTISTATIC TIRE - A rubber compound for the manufacture of antistatic tires used in vehicles comprising a rubber component derived from epoxidized natural rubber, a white filler component for reducing rolling resistance of said tire, an electrically conductive filler component, and a vulcanization agent. An antistatic tire for vehicles comprising a body and a tread wherein said tread is produced from said rubber compound above. | 03-26-2015 |
| 20150087745 | TIRE TREAD FOR IMPROVED WEAR PROPERTIES - Rubber articles, including tires and tire treads, that are manufactured from a rubber composition that includes a functionalized styrene-butadiene rubber (SBR) and a polybutadiene rubber, wherein the functionalized SBR includes a functional group attached as an active moiety and wherein the butadiene portion of the SBR has as trans-1,4 content of between 30 wt. % and 70 wt. %. The rubber composition further includes a plasticizing system having a plasticizing resin having a glass transition temperature (Tg) of at least 25° C. and a plasticizing liquid, wherein the plasticizing system is added in an effective amount to provide the rubber composition with a glass transition temperature of between −25° C. and −15° C. and with a dynamic modulus G* at 60° C. of between 0.8 MPa and 1.3 MPa. The rubber composition is reinforced with a silica filler. | 03-26-2015 |
| 20150099823 | TREAD RUBBER COMPOSITION AND PNEUMATIC TIRE - Provided are a tread rubber composition that can achieve a balanced improvement in fuel economy, wet-grip performance, and abrasion resistance, and a pneumatic tire including the composition. The tread rubber composition includes: a rubber component; silica; and a silane-coupling agent containing a mercapto group, the rubber component including per 100% by mass thereof 5% by mass or more of a conjugated diene polymer (A), the polymer (A) including a monomer unit derived from a conjugated diene, a monomer unit derived from a compound of formula (1), and a monomer unit derived from a compound of formula (2), at least one end of the copolymer (A) being modified by the following compound (G) or an alkoxysilane compound, the composition including 5-150 parts by mass of the silica per 100 parts by mass of the rubber component, Compound (G): at least one compound selected from the group consisting of compounds containing an optionally-substituted amino group and a carbonyl group and compounds containing an optionally-substituted amino group and a thiocarbonyl group, | 04-09-2015 |
| 20150111985 | RUBBER COMPOSITION AND PNEUMATIC TIRE USING SAME - The present invention provides a rubber composition formed by blending from 1 to 100 parts by mass of carbon black and/or from 5 to 150 parts by mass of an inorganic filler, from 0.5 to 30 parts by mass of a sulfur-containing compounding agent, and from 0.01 to 20 parts by mass of a boron-containing compounding agent into 100 parts by mass of a sulfur-crosslinkable diene rubber, and a pneumatic tire in which the rubber composition is used in at least one type selected from the group consisting of a capped tread, a side wall, a belt, an inner liner, a carcass, and a bead. | 04-23-2015 |
| 20150119491 | RUBBER COMPOSITION - A rubber composition includes a diene rubber containing at least a polybutadiene rubber produced by use of a rare earth element based catalyst; a carbon black in an amount of 10 to 99 parts by mass for 100 parts by mass of the diene rubber; and a dihydrazide compound in an amount of 0.1 to 5.0 parts by mass for the same. | 04-30-2015 |
| 20150119492 | TIRE TREAD - A tire, the tread of which comprises a rubber composition comprising at least:
| 04-30-2015 |
| 20150119493 | CARBINOL-TERMINATED POLYMERS CONTAINING AMINE - The present invention relates to diene polymers, wherein the diene polymers have, at the start of the polymer chains, tertiary amino groups of the formula (I) or (II) | 04-30-2015 |
| 20150126643 | Rubber Composition for Tire - The present technology provides a rubber composition for a tire which improves the low rolling resistance, dry performance, wet performance, and workability so as to surpass conventional levels. In the rubber composition for a tire according to the present technology, silica is blended into the composition in an amount of 90 to 150 parts by mass relative to 100 parts by mass of a diene rubber containing at least 25 mass % of a modified conjugated diene polymer rubber having a siloxane structure in at least some of the terminal-modifying groups. A silane coupling agent is blended into the composition in an amount of 3 to 20 mass % relative to the amount of silica, and an alkyltriethoxysilane having an alkyl group with 7 to 20 carbons is blended in an amount of 0.1 to 20 mass % relative to the amount of silica. | 05-07-2015 |
| 20150133581 | RUBBER BLENDS CONTAINING SILICIC ACID AND COMPRISING ADDITIVES CONTAINING SULPHUR - The present invention relates to a silica-containing rubber mixture produced from at least one rubber, one sulphur-containing alkoxysilane, one crosslinking agent, one filler, and optionally further rubber auxiliary products and from 0.1 to 15 phr of a polysulphide additive of the formula (I) | 05-14-2015 |
| 20150148447 | TIRE RUBBER COMPOSITE AND PNEUMATIC TIRE - A rubber composition for tires comprises: per 100 parts by weight of diene rubber containing from 5 to 50 wt. % of terminally modified S-SBR, from 2 to 50 parts by weight of an aromatic modified terpene resin having a softening point of 100° C. or higher. A total content of 60 to 130 parts by weight of two types of silica, that is silica X and silica Y. A functional group of the modified S-SBR has reactivity with a silanol group. A proportion of the silica relative to a total amount of a reinforcing filler containing the silica X, the silica Y, and an optionally compounded carbon black is 85 wt. % or greater. A nitrogen adsorption specific surface area of the silica X is 140 m | 05-28-2015 |
| 20150148448 | PNEUMATIC TIRE - The present invention is directed to a pneumatic tire comprising a tread, the tread comprising a rubber composition comprising from 20 to 90 parts by weight per 100 parts by weight of rubber (phr) of solution polymerized styrene-butadiene rubber, from 10 to 80 phr of polybutadiene rubber, wherein from 0 to 20 weight percent of the polybutadiene rubber is a syndiotactic polybutadiene rubber comprising at least 70 percent of monomeric units in syndiotactic 1,2 configuration and the balance of the polybutadiene rubber comprises at least 90 percent of monomeric units in cis-1,4 configuration; and from 50 to 150 phr of pre-hydrophobated precipitated silica wherein the pre-hydrophobated precipitated silica is hydrophobated prior to its addition to the rubber composition by treatment with at least one silane selected from the group consisting of alkylsilanes, alkoxysilanes, organoalkoxysilyl polysulfides and organomercaptoalkoxysilanes. | 05-28-2015 |
| 20150291782 | RUBBER MIXTURES CONTAINING SHORT-CHAIN ALKYL ESTERS OF GLYCERIN - The invention relates to rubber mixtures comprising at least in each case one nonpolar rubber, carbon black, and short-chain alkyl esters of glycerol, production of these, use, and the vulcanizates thus obtainable. | 10-15-2015 |
| 20150299435 | TIRE COMPRISING A RUBBER COMPOSITION COMPRISING AN EPOXIDE ELASTOMER CROSSLINKED WITH A POLYCARBOXYLIC ACID - A tire comprises a rubber composition based on at least one predominant diene elastomer comprising epoxide functional groups, at least one reinforcing filler and a crosslinking system. The crosslinking system comprises a polycarboxylic acid of general formula (I): | 10-22-2015 |
| 20150315300 | THIOESTER MODIFIED POLYMER, METHOD OF MANUFACTURING THE SAME AND RUBBER COMPOSITION CONTAINING THE SAME - Provided is a thioester modified polymer, wherein a polymer having an intramolecular double bond is modified with at least one of thiocarboxylic acid and dithiocarboxylic acid. The above thioester modified polymer can be manufactured by allowing a polymer having an intramolecular double bond to react with thiocarboxylic acid, dithiocarboxylic acid or a metal salt thereof, and used to be compounded in a diene-based rubber. When this thioester modified polymer is compounded in a diene-based rubber, in particular a silica containing diene-based rubber, tensile strength and breaking elongation, in particular tensile strength and breaking elongation at a high temperature (100° C.), can be improved without decreasing modulus, hardness, exothermicity and the like. Therefore, the rubber composition having excellent thermal resistance and toughness can be effectively used as a rubber compound for forming a cap tread or a side tread of a pneumatic tire. | 11-05-2015 |
| 20150315363 | CHEMICALLY FUNCTIONALIZED RENEWED RUBBER COMPOSITION - The renewed rubber of this invention can be used in rubber formulations that are used in manufacturing a wide array of rubber products, including tires, power transmission belts, conveyor belts, hoses, and a wide array of other products. The present invention more specifically discloses a method for manufacturing an environmentally friendly, chemically functionalized, renewed rubber composition having a highly desirable combination of physical properties and which exhibits excellent processability comprising the steps of (1) blending a micronized rubber powder with a processing aid and a chemical functionalizing agent to produce a blended mixture; (2) processing the blended mixture under conditions of high shear and low temperature to produce a reacted mixture; (3) adding a stabilizer to the reacted mixture to produce the chemically functionalized renewed rubber composition. | 11-05-2015 |
| 20150329708 | RUBBER COMPOSITION HAVING INTRAMOLECULAR DOUBLE BOND - Provided is a rubber composition having an intramolecular double bond capable of sulfur cross-linking, comprising at least one of 1 to 100 parts by mass of carbon black and 10 to 150 parts by mass of an inorganic filler other than carbon black, 0.1 to 50 parts by mass of a sulfur-containing compounding agent and 0.1 to 30 parts by mass of a hydrocarbon compound with both terminal groups thioesterified, per 100 parts by mass of the rubber having an intramolecular double bond capable of sulfur cross-linking. This rubber composition can provide a vulcanized substance having excellent toughness, for example, as a part of at least one of a cap tread, a side wall, a belt, an inner liner, a carcass and a bead of a pneumatic tire without substantially reducing processability of an unvulcanized substance and vulcanizate physical properties of the vulcanized substance. | 11-19-2015 |
| 20150361253 | RUBBER COMPOSITION AND METHOD FOR PRODUCING SAME - A rubber composition obtained by dry-mixing a natural rubber wet master batch yielded by mixing at least a natural rubber latex and a carbon-black-containing slurry solution with each other in a liquid phase and drying the resultant mixture, a dry rubber made mainly of a polybutadiene rubber, and an oil, wherein when the total amount of rubber components in the rubber composition is regarded as 100 parts by mass, the natural rubber is contained in an amount of 50 parts or more by mass, and the polybutadiene rubber is contained in an amount of 20 to 50 parts by mass, and the oil has a pour point of −10 C or lower, and an aniline point of 90 C or higher, and the blend amount of the oil is from 15 to 40 parts by mass for 100 parts by mass of the rubber components. | 12-17-2015 |
| 20150369320 | FRICTION MATERIAL - A friction material includes a fiber base material, a friction modifier and a binder. The friction modifier includes two or more kinds of non-whisker-like titanate compounds. The non-whisker-like titanate compound includes non-whisker-like lithium potassium titanate. The friction material includes no copper component. Alternatively, a friction material includes a fiber base material, a friction modifier and a binder. The friction material includes a non-whisker-like titanate compound and a low-melting-point metal fiber. The friction material includes no copper component. | 12-24-2015 |
| 20160069408 | Friction Material - The present invention addresses the problem of providing a disc brake pad friction material, which is capable of securing fade resistance and wear resistance while satisfying laws relating to copper component content and for which coating by electrostatic powder coating is favorable. As a means for solving the problem, a friction agent composition, which contains 0.3-5 weight % of flake graphite particles of 1-100 μm mean particle diameter with respect to the total amount of the friction material composition as a lubricant and in which the total amount of copper components contained in the friction material composition is less than 5 weight % of the total amount of the friction material composition, is used. Preferably, the flake graphite particles are aggregates. It is also preferable that the friction material composition contains mica with a mean particle diameter of 100-400 μm. | 03-10-2016 |
| 20160075863 | PNEUMATIC TIRE, STUDLESS TIRE, METHOD FOR MANUFACTURING PNEUMATIC TIRE, AND METHOD FOR MANUFACTURING STUDLESS TIRE - Provided are pneumatic tires or studless winter tires that achieve a balanced improvement in fuel economy, reinforcing properties (flex crack growth resistance, abrasion resistance, tensile strength, adhesive strength, resistance to air permeation), grip performance (wet-grip performance, performance on snow and ice), handling stability, and heat aging resistance, and methods for producing such a pneumatic tire or studless winter tire. The present invention relates to a pneumatic tire including at least one component selected from the group consisting of a sidewall, a base tread, a bead apex, a clinch apex, an innerliner, and an undertread, each of which is formed from a rubber composition that contains a highly purified, modified natural rubber whose pH is adjusted to 2 to 7, and carbon black and/or a white filler. | 03-17-2016 |
| 20160075864 | Tire Rubber Composition - A tire rubber composition comprises from 30 to 60 parts by weight of a silica, from 20 to 50 parts by weight of a carbon black with a nitrogen adsorption specific surface area of from 120 to 150 m | 03-17-2016 |
| 20160090474 | RUBBER COMPOSITION FOR TIRE AND TIRE - An object of the present invention is to provide a rubber composition for tire which has less performance change with respect to a temperature change at a high temperature region and has less performance change with respect to a road surface change from a wet road surface to a dry road surface, and a tire which has a tire member composed of the rubber composition for tire. The rubber composition for tire of the present invention is a rubber composition for tire in which a complex modulus G* | 03-31-2016 |
| 20160108209 | TIRE COMPRISING A RUBBER COMPOSITION COMPRISING AN ETHYLENIC EPOXIDE ELASTOMER CROSS-LINKED BY A POLYCARBOXYLIC ACID - A tire comprises a rubber composition based on at least one ethylenic elastomer comprising epoxide functional groups as predominant elastomer, at least one reinforcing filler and a crosslinking system comprising a polycarboxylic acid of general formula (I): | 04-21-2016 |
| 20160108213 | PNEUMATIC TIRE AND RUBBER MASTERBATCH - Provided are pneumatic tires having good processability and achieving a balanced improvement in wet-grip performance, fuel economy, abrasion resistance, flex fatigue resistance, and durability. The invention relates to a pneumatic tire including at least one selected from the group consisting of a tread, a sidewall, and a tire internal component, the at least one being formed from a rubber composition containing carbon black, silica, and an emulsion-polymerized rubber that has an acetone extractable content of at most 2.5% by mass when determined by an acetone extraction method; or a pneumatic tire including at least one selected from the group consisting of a tread, a sidewall, and a tire internal component, the at least one being formed from a rubber composition containing carbon black, silica, and an emulsion-polymerized rubber that has a soap content of at most 2.5% by mass and an organic acid content of at most 2.5% by mass. | 04-21-2016 |
| 20160122504 | TIRE COMPRISING A RUBBER COMPOSITION COMPRISING AN OLEFINIC EPOXIDE ELASTOMER CROSS-LINKED BY A POLYCARBOXYLIC ACID - A tire comprises a rubber composition based on at least one olefinic elastomer comprising epoxide functional groups as predominant elastomer, at least one reinforcing filler, and a crosslinking system comprising a polycarboxylic acid of general formula (I): | 05-05-2016 |
| 20160122518 | TIRE RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention provides a rubber composition for tires capable of improving discoloration resistance and tire appearance while maintaining or improving good fuel economy, good abrasion resistance, and good performance on ice, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for tires, containing a Pluronic nonionic surfactant in an amount of 0.1 to 6.0 parts by mass relative to 100 parts by mass of the rubber component, the rubber composition having a combined amount of polybutadiene rubber, natural rubber, and polyisoprene rubber of 70% by mass or more based on 100% by mass of the rubber component, and the rubber composition containing sulfur. | 05-05-2016 |
| 20160160014 | SULFUR-CROSSLINKABLE RUBBER MIXTURE - A sulfur-crosslinkable rubber mixture for pneumatic tires is disclosed. The rubber mixture includes at least one diene rubber and 10 to 200 phr of at least one silica and 2 to 20 phf of at least one silane having the general empirical formula (I) [(R | 06-09-2016 |
| 20160160015 | MODIFIED DIENE ELASTOMER, SYNTHESIS METHOD FOR SAME, AND RUBBER COMPOSITION COMPRISING MODIFIED DIENE ELASTOMER - A modified diene elastomer comprises:
| 06-09-2016 |
| 20160160951 | Friction Material - In relation to the NAO friction material free of copper component, this invention is to provide the friction material that prevents the occurrence of metal catch while securing sufficient wear resistance. In the friction material manufactured by forming the NAO friction material composition free of copper component, the above-described friction material composition contains no metal simple substance or alloy other than copper and contains, as the lubricant, metal sulfide having 600 centigrade or higher decomposition temperature to be decomposed into metal and sulfur. Especially, the above-described metal sulfide is preferably zinc sulfide, and the content thereof is preferably 0.5-2.0 weight % relative to the total amount of the friction material composition. Also, as the lubricant, the friction material further contains 2.0-5.0 weight % of graphite relative to the total amount of the friction material composition. | 06-09-2016 |
| 20160168361 | TIRE TREAD | 06-16-2016 |
| 20160168365 | PROCESS OF PRODUCING RUBBER COMPOSITION | 06-16-2016 |
| 20160177069 | OIL-PROOF RUBBER MATERIAL FOR THE TIRE TREAD AND ITS PREPARATION METHOD AND THE APPLICATION THEREOF | 06-23-2016 |
| 20160194484 | PNEUMATIC TIRE | 07-07-2016 |
| 20160200141 | SULFUR-CROSSLINKABLE RUBBER MIXTURE | 07-14-2016 |
| 20160200899 | TIRE WITH TREAD INTENDED FOR BOTH ON AND OFF-THE-ROAD SERVICE | 07-14-2016 |
| 20160200902 | RUBBER COMPOSITION AND TIRE | 07-14-2016 |
| 20160376428 | TIRE WITH TREAD FOR COMBINATION OF LOW TEMPERATURE PERFORMANCE AND FOR WET TRACTION - This invention relates to a tire with tread for promoting a combination of wet traction and service at low temperatures of a rubber composition containing a styrene/butadiene elastomer, cis 1,4-polybutadiene rubber, liquid high Tg styrene/butadiene polymer, resin and vegetable triglyceride oil. | 12-29-2016 |
| 20170233513 | Low Ethylene Amorphous Propylene-Ethylene-Diene Terpolymer Compositions | 08-17-2017 |
| 20170233558 | METHODS FOR PREPARING TIRE TREADS WITH ADVANTAGEOUS WEAR CHARACTERISTICS | 08-17-2017 |
| 20170233562 | PNEUMATIC TIRE | 08-17-2017 |
| 20170234390 | Friction Material | 08-17-2017 |
| 20180022902 | RUBBER COMPOSITION, TREAD MEMBER, PNEUMATIC TIRE, AND PROCESS FOR PRODUCING RUBBER COMPOSITION | 01-25-2018 |
| 20180022904 | TIRE WITH RUBBER TREAD CONTAINING A COMBINATION OF STYRENE/BUTADIENE ELASTOMERS AND TRACTION RESINS AND PRE-HYDROPHOBATED PRECIPITATED SILICA REINFORCEMENT | 01-25-2018 |
| 20190144644 | RUBBER COMPOSITION FOR TIRES, AND PNEUMATIC TIRE USING THE SAME | 05-16-2019 |
| 20190144648 | TREAD RUBBER COMPOSITION | 05-16-2019 |
