Rubber composition for tread and tire comprising thereof
AssigneeSumitomo Rubber Industries, Ltd.
InventorsTomoaki Hirayama, Takao Wada, Mamoru Uchida
Life of this patent
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Abstract
There is provided a rubber composition for a tread having excellent hardness and improving the processability and grip performance of a tire, and a tire comprising thereof. A rubber composition for a tread comprising 30 to 80 parts by weight of silica having a BET specific surface area of less than 150 m2/g and 10 parts by weight or less of carbon black based on 100 parts by weight of a rubber component comprising an epoxidized natural rubber, and a tire comprising thereof.
Claims2
A tire having a tread, said tread comprising a rubber composition comprising 50 to 80 parts by weight of silica having a BET specific surface area of 80 to 130 m2/g, 4 to 6 parts by weight of carbon black, 5 to 15 parts by weight of plant oil as a softener, and sulfur and a vulcanization accelerator, based on 100 parts by weight of a rubber component comprising an epoxidized natural rubber,
- wherein the amount of the epoxidized natural rubber in the rubber component is 100% by weight.
Dependencies are inferred from the claim text.