Rubber composition and tire using same
AssigneeSumitomo Rubber Industries, Ltd.
InventorsTomoaki Hirayama, Takao Wada
Life of this patent
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Abstract
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.
Claims12
A rubber composition comprising:
- not less than 20 parts by weight of a silica,
- not more than 5 parts by weight of a petroleum derived carbon black, and
- 2 to 20 parts by weight of a lamp black having an average particle diameter of not more than 500 nm, based on 100 parts by weight of a rubber component comprising a natural rubber and/or an epoxidized natural rubber,
- wherein said petroleum derived carbon black is a raw material derived from petroleum resources and said lamp black is a low grade of carbon black prepared from vegetable oil.
Dependencies are inferred from the claim text.