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7351759 Rubber composition for a tire comprising a coupling agent having a polythiosulfenamide function  
An elastomeric composition usable for the manufacture of tires, based on at least (i) a diene elastomer, (ii) an inorganic filler as reinforcing filler and (iii), as (inorganic filler/diene...
7335411 Method of producing a tire composition having improved silica reinforcement  
Vulcanizable elastomeric compositions and vulcanizates are prepared by employing a strong acid. The strong acid is believed to enhance the reaction between a silica particle and a silica-reactive...
7241824 Rubber composition for a tire comprising a coupling agent (white filler/diene elastomer) activated by a heat-triggered radical initiator  
A sulphur-vulcanizable rubber composition usable for the manufacture of tires, based on at least: (A)—one diene elastomer selected from the group consisting of polybutadienes, natural rubber,...
7202295 Rubber composition based on diene elastomer and a reinforcing silicon carbide  
A rubber composition usable for the manufacture of tires, based on at least one diene elastomer, a reinforcing inorganic filler and a coupling agent providing the bond between the inorganic filler...
7199175 Tread for a tire having a rigidity gradient  
A tire tread comprising a rubber composition based on (phr: parts by weight per hundred parts of elastomer): (i) a diene elastomer; (ii) more than 50 phr of an inorganic filler as...
7186776 Rubber composition for a tire comprising a multifunctional polyorganosiloxane as coupling agent  
The present invention relates to a sulfur-cross-linkable elastomeric composition that is useful for the manufacture of tires. This elastomeric composition is based on at least one isoprene...
7172650 Deproteinized natural rubber latex, method of preparing the same, rubber product using the same, and proteolytic agent for deproteinized natural rubber latex  
The present invention provides a deproteinized natural rubber latex wherein coagulation of a rubber component does not occur when the concentration of calcium ions (Ca 2+ ) is 0.01 mol/L or less...
7098268 Resin composition  
This invention relates to a resin composition useful as a vibration-damping agent and the like. The resin composition is formulated by adding 1 wt % or more of styrenated phenol obtained by the...
7070705 Fiber-reinforced rocket motor insulation  
Insulation for a rocket motor is provided, as is a method for insulating a rocket motor. The insulation includes a cured elastomer and vapor-grown carbon fibers dispersed in the cured elastomer....
7067577 Apatite-reinforced resin composition  
The present invention relates to a resin composition comprising a resin and apatite, wherein referring to the particulate form of said apatite present in the resin composition thus obtained, the...
6943212 Deproteinized natural rubber latex, method of preparing the same, rubber product using the same, and proteolytic agent for deproteinized natural rubber latex  
The present invention provides a deproteinized natural rubber latex wherein coagulation of a rubber component does not occur when the concentration of calcium ions (Ca 2+ ) is 0.01 mol/L or less...
6906126 Decreasing allergenicity of natural latex rubber prior to vulcanization  
A method for reducing allergenicity of natural latex rubber. The natural latex rubber, prior to its vulcanization, is admixed with mineral oil and extracted to reduce protein levels therein....
6903155 Heavy-load tires having a rubber composition that delays irregular wear  
The present invention relates to tires suitable for bearing heavy loads, and to the use of a rubber composition to form the treads of such tires which delays the appearance of irregular wear on the...
6900263 Tires for heavy loads and use of a rubber composition to delay irregular wear on these tires  
The present invention relates to tires suitable for bearing heavy loads, and to the use of a rubber composition to form the treads of such tires which delays the appearance of irregular wear on the...
6843939 UV stabilizing additive composition  
This invention relates to an UV stabilizing additive composition comprising an ortho-hydroxy triazine compound, a hindered hydroxybenzoate compound and optionally a hindered amine compound. This...
6841606 Natural rubber master batch, production method thereof, and natural rubber composition  
The natural rubber master batch of the present invention is prepared by mixing a natural rubber latex having its amide linkages cleaved and an aqueous slurry having a filler dispersed in water....
6828383 Phenolic modified resorcinolic resins for rubber compounding  
A vulcanizable rubber composition comprises (a) a rubber component; (b) a methylene donor compound; and (c) a methylene acceptor comprising a blend of a high ortho-ortho bonded phenolic novolak...
6822020 Tetrahalosilane blends for treating silica  
Modified silica fillers are prepared by contacting silica with blends or mixtures containing diorganodihalosilanes and tetrahalosilanes in weight ratios of 1:0.1 to 1:2, respectively. While...
6800126 Preparation and use of composite of rubber and carbon black aggregates and articles of manufacture, including tires, having a component comprised thereof  
This invention relates to preparation and use of a rubber/carbon black composite comprised of at least one elastomer which contains a dispersion therein of carbon black aggregates. Such carbon...
6797755 Stabilizers and antiozonants for elastomers  
Elastomers which have excellent stability to prevent oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation comprise, as stabilizers, at least one compound of the formula (I):...
6794428 Carbon black coupler  
A coupler is described for use in carbon black filled rubber compositions. The coupler includes an amine group and a thiol group or a polysulfidic linkage. The coupler improves the interaction of...
6767945 Tire sidewall composition  
A black rubber sidewall compound essentially free of a silanated rubber which includes a combination of less than 10 phr of a rosin acid type “tackifier” and less than 1 phr of a t-alkanolamine...
6743853 Viscosity stabilizer for natural rubber, viscosity-stabilized natural rubber composition and process for producing the same, and method of controlling rise in viscosity of natural rubber  
Provided are a viscosity stabilizer comprising carbon black and/or silica and further blended with at least one selected from the group consisting of a plasticizer, a processing aid, a softening...
6713534 Rubber powders having pulverulent silicatic fillers and prepared from rubbers present in organic solvents, a process for their preparation, and their use  
A fine-particle, free-flowing rubber powder containing silicatic fillers, one or more organosilanes having trialkoxysilyl groups, and a rubber prepared by solution polymerization is prepared by a...
6624230 Mixtures comprising a filler and an organosilicon compound  
Mixture of at least one filler and organosilicon compounds of the general formula Y—S x -Z, wherein the filler is surface-treated, hydrophobic, precipitated silica, are prepared by homogeneously...
6527022 Pneumatic tire having a tread containing a metal oxide aerogel  
A pneumatic tire having a tread comprised of (a) a diene-based elastomer containing olefinic unsaturation and (b) from 1 to 150 phr of a metal oxide aerogel.
6525110 Polysiloxane-containing rubber composition  
A rubber composition having improved properties containing a starting rubber (e.g., diene rubber) and a polysiloxane having the following alkoxysilyl group (I) and/or acyloxysilyl group (II) and...
6518355 Pressure-sensitive rubber adhesive and pressure-sensitive adhesive sheet made using the same  
A rubber-based pressure-sensitive adhesive which (i) contains as the main rubber component a natural rubber comprising, as the main component, fine particles having a particle diameter of 1 μm or...
6512034 Cationic graft-modified natural rubber latex  
Disclosed is a cationic graft-modified natural rubber latex, which is obtained by cationically modifying the graft-natural natural rubber latex with a cationic surfactant in the presence of a...
6494946 Reaction of carbon black with diazonium salts, resultant carbon black products and their uses  
Processes for preparing a carbon black product having an organic group attached to the carbon black. In one process at least one diazonium salt reacts with a carbon black in the absence of an...
6462159 Cationic deproteinized natural rubber latex, method of preparing the same, and treating agent used in the method  
Disclosed are a cationic deproteinized natural rubber latex, in which rubber particles are positively charged and the concentration of said rubber particles is from 40 to 65% by weight and that the...
6441070 Rubber compositions containing a trivalent phosphorous compound-silica complex  
The present invention relates to rubber compositions containing an elastomer and a trivalent phosphorous compound-silica complex.
6410606 Process for producing natural rubber for pressure-sensitive adhesive and natural rubber-based pressure-sensitive adhesive composition  
A process for producing a natural rubber for a pressure-sensitive adhesive, which comprises decreasing a molecular weight of an unmasticated natural rubber by the action of a peptizing agent while...
6403727 Method for selective hydrogenation of ethylene unsaturated double bonds in polymerizates  
A process for selectively hydrogenating ethylenically unsaturated double bonds in polymers P involves reacting the polymers P with hydrogen in the presence of at least one hydrogenation catalyst...
6403686 Rheologically-dynamic, liquid-applicable elastomeric compositions  
Improved compositions of the present invention are made from a rubber latex component (A) and an oil carrier component (B) having hygroscopic and vulcanizing agents. Upon intermixing of the...
6399697 Process oil, process for producing the same and rubber composition  
Process oil which satisfies requirements that a content of a polycyclic aromatic compound is less than 3% by weight, a content of an aromatic hydrocarbon is 18% by weight or more, a content of a...
6380283 Enzyme, stabilizer and antioxidant treated natural rubber latex product and method of processing same  
A method of treating natural rubber latex to reduce the antigenic protein content includes enzyme treatment of the natural rubber latex and utilizing a chemical stabilizer of the type similar to...
6372820 Polymerized modified particles and methods of making the same  
Various modified particles are described which can be used in polymerizations to attach one or more polymers onto modified particles. Also described are the resulting modified particles having...
6346567 Natural rubber elastomeric mounts  
Resilient elastomeric mounts and in particular, natural rubber engine mounts, which maintain good mechanical and dynamic properties at temperatures in excess of 250° F., are provided. The natural...
6344499 Puncture sealing agent  
A puncture sealing agent for sealing an inner surface of a tire comprises a deproteinized rubber latex that is formed by removing protein from a natural rubber latex. The puncture sealing agent...
6306955 Process for producing deproteinized natural rubber latex  
A process is disclosed, by which protein can be removed easily and efficiently from natural rubber latex so that deproteinized natural rubber latex can be produced with high productivity and low...
6265479 Deproteinizing agent and method of preparing cationic deproteinized natural rubber latex using the same  
Disclosed are a deproteinizing agent comprising a proteolytic enzyme and one or more cationic surfactants selected from the group consisting of an alkylamine salt, an alkylamine derivative and...
6211271 Process for producing a vulcanizable rubber composition including carbon black-based and silica-based reinforcing fillers  
A process for producing a vulcanizable rubber composition containing silica and carbon black, comprises the step of intimately mixing at a temperature of from 130° to 180° C. at least a first...
6201049 Rubber composition for tire sidewall  
A rubber composition which is superior in ozone resistance and is hard to be discolored brown and white which comprises 0.5 to 2.5 parts by weight of a wax containing a component with 45 or more...
6194594 Mixture of organosilanepolysulphanes and a process for the production of rubber compounds containing these mixtures  
This invention relates to mixtures of organosilane-polysulphanes of the general formula (RO) 3 Si(CH 2 ) x S--S z --S(CH 2 ) x Si(OR) 3 (I) in which R means alkyl, linear or branched,...
6177503 Rubber composition and pneumatic tire using the same rubber composition  
The rubber composition of the present invention comprises a rubber component which is a blend rubber of a copolymer rubber and other diene based rubbers or the copolymer rubber alone, the copolymer...
6136897 Rubber processing additive  
A rubber-processing additive for use in bridging rubber grind and virgin rubber. The rubber-processing additive consists of a zeolite, a high molecular weight fatty acid, and a starch. The compound...
6127476 Aqueous rubber composition  
An aqueous adhesive composition, as for bonding rubber substrates together or for bonding a rubber substrate to a fabric, comprising a blend of a carboxylated rubber latex as made from styrene,...
6107384 Silica-blended rubber composition and production process for the same  
A silica-blended rubber composition comprising 100 parts by weight of sulfur-vulcanizable rubber blended with 10 to 100 parts by weight of silica, 3 to 20% by weight of a silane coupling agent...
6107379 Automobile vibration-isolating rubber composition and automobile vibration-isolating device  
Provided is an automobile vibration-isolating rubber composition, characterized in that a rubber component comprises from 10 to 80% by weight of a polybutadiene rubber which is obtained through the...
Matches 1 - 50 out of 1079 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >