Tire rubber composition and pneumatic tire

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United States of America Patent

PATENT NO 9890269
SERIAL NO

14895873

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Abstract

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The present invention provides a rubber composition for tires capable of improving discoloration resistance and tire appearance while maintaining or improving good fuel economy, good abrasion resistance, and good performance on ice, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for tires, containing a Pluronic nonionic surfactant in an amount of 0.1 to 6.0 parts by mass relative to 100 parts by mass of the rubber component, the rubber composition having a combined amount of polybutadiene rubber, natural rubber, and polyisoprene rubber of 70% by mass or more based on 100% by mass of the rubber component, and the rubber composition containing sulfur.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO RUBBER INDUSTRIES LTDKOBE-SHI HYOGO 651-0072

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miyazaki, Tatsuya Kobe, JP 185 1157
Tokimune, Ryuichi Kobe, JP 21 114

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