Patent application number | Description | Published |
20080308203 | Pneumatic tire - A pneumatic tire capable of reducing rolling resistance and discharging static electricity generated during running, wherein each of a tread rubber, a breaker rubber, and a sidewall rubber formed on the tread part, the breaker part, and the sidewall part, respectively, has a volume specific resistivity of 1×10 | 12-18-2008 |
20100175805 | RUBBER COMPOSITION FOR COVERING TEXTILE CORD AND TIRE EMPLOYING THE SAME - A rubber composition for covering a textile cord according to the present invention contains silica and 0.5 to 4 parts by mass of a 1,3-bis(citraconimidomethyl) compound with respect to 100 parts by mass of a rubber component containing natural rubber and/or epoxidized natural rubber. Thus, a rubber composition for covering a textile cord, mainly composed of a raw material derived from non-petroleum resources, excellent in heat resistance and durability and a tire employing the same can be provided in consideration of the environment and in preparation for future depletion of petroleum resources. | 07-15-2010 |
20110028630 | RUBBER COMPOSITION FOR TREAD AND PNEUMATIC TIRE - The present invention provides a rubber composition for a tread, which is friendly to the global environment and can prepare for the decrease in oil supply in the future because of its high content of non-fossil resources, as well as shows an excellent running performance (braking performance) on a wet road surface and a dry road surface, and has an improved abrasion resistance. The present invention also provides a pneumatic tire in which the rubber composition for a tread is used for a tread of the tire. The rubber composition for a tread of the present invention includes a rubber component containing butadiene rubber and 35% by mass or more of epoxidized natural rubber, and a white filler. | 02-03-2011 |
20110082234 | RUBBER COMPOSITION FOR TREAD AND PNEUMATIC TIRE - The present invention has its object to provide a rubber composition for a tread which can prevent reversion and can also achieve environmental performance (excellent rolling resistance, response to depletion of oil resources, attention to CO | 04-07-2011 |
20110136968 | TIRE RUBBER COMPOSITION AND PNEUMATIC TIRE - It is an object of the present invention to provide a tire rubber composition and a pneumatic tire produced using the rubber composition, which improve mechanical strength, abrasion resistance, rolling resistance, wet grip performance, and dry grip performance in good balance. The present invention relates to a tire rubber composition comprising: a rubber component that contains a modified diene rubber; and a silica component that contains a silica surface-treated with a silane coupling agent, wherein the amount of the modified diene rubber in 100% by mass of the rubber component is 15% by mass or more, and the dispersion ratio of the silica component is 70% or higher. | 06-09-2011 |
20120010348 | RUBBER COMPOSITION AND TIRE USING SAME - The present invention provides a rubber composition for a tire which makes it possible to consider an effect on environment, prepare for decrease in supply quantity of petroleum in future and improve weather resistance and rubber strength in good balance, and a tire prepared by using the rubber composition. The rubber composition of the present invention comprises not less than 20 parts by weight of a silica, not more than 5 parts by weight of a carbon black and 2 to 20 parts by weight of a turpentine soot and/or lamp black having an average particle diameter of not more than 1,000 nm, based on 100 parts by weight of a rubber component comprising a natural rubber and/or an epoxidized natural rubber, and a tire prepared by using the rubber composition. | 01-12-2012 |
20130090445 | SYNTHESIS SYSTEM, RUBBER CHEMICAL SUBSTANCE FOR TIRES, SYNTHETIC RUBBER FOR TIRES, AND PNEUMATIC TIRE - The present invention provides a synthesis system that can synthesize aniline and/or styrene efficiently, a synthesis system that can synthesize butadiene (1,3-butadiene) efficiently, a rubber chemical for a tire which is synthesized from the aniline obtained by the synthesis system, a synthetic rubber for a tire which is synthesized from the styrene and/or butadiene obtained by the synthesis systems, and a pneumatic tire produced using the rubber chemical for a tire and/or the synthetic rubber for a tire. The present invention relates to a synthesis system for synthesizing aniline and/or styrene from an alcohol having two or more carbon atoms via an aromatic compound. | 04-11-2013 |
20130180637 | RUBBER COMPOSITION FOR TIRE, AND PNEUMATIC TIRE - Provided is a pneumatic tire using a rubber composition which makes it possible to keep rolling resistance low, prevent the accumulation of static electricity during the running of the tire, suppress an increase over time in electrical resistance of the tire, and improve durability. The present invention relates to a rubber composition, including: a rubber component including two or more diene rubber; and carbon black having a nitrogen adsorption specific surface area of 400 m | 07-18-2013 |