Rubber composition and pneumatic tire

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United States of America Patent

PATENT NO 9988516
SERIAL NO

14860096

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Abstract

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An object of the present invention is to provide a rubber composition which can further improve abrasion resistance without deterioration in energy efficiency, and a pneumatic tire using the rubber composition. The rubber composition comprises a polymer mixture obtained by modifying a polymer composed of at least one of a conjugated diene compound and an aromatic vinyl compound with a compound having at least one of an ester group and a carboxyl group; at least one of triamines; and silica, the polymer mixture having a weight-average molecular weight of 1.0×103 to 1.0×105, and the triamines being a compound represented by the following formula (I):

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Patent Owner(s)

  • SUMITOMO RUBBER INDUSTRIES, LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ono, Shuichiro Kobe, JP 23 102

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