Rubber composition for tire

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12138962
APP PUB NO 20240262129A1
SERIAL NO

18576033

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A rubber composition contains 10-50 parts by mass of a thermoplastic resin in 100 parts by mass of a diene rubber containing 60 mass % or more of a styrene-butadiene rubber having a styrene content of 5-30 mass % and a vinyl content of 10-35 mass %. In a mixture containing the diene rubber and the thermoplastic resin in a mass ratio of 1:1, a difference (Tga-Tgm) between a theoretical value (Tga) of a glass transition temperature of the mixture calculated based on an average glass transition temperature (Tg1) of the diene rubber and a glass transition temperature (Tg2) of the thermoplastic resin, and a measurement value (Tgm) of a glass transition temperature of the mixture, is 5-50° C., and a difference (Tg2-Tg1) is 110-150° C. An amount of the thermoplastic resin is 30 mass % or more in 100 mass % total of a plasticizer component contained in the rubber composition.

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Patent Owner(s)

Patent OwnerAddress
THE YOKOHAMA RUBBER CO LTDKANAGAWA PREFECTURE 254-8601

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakajima, Rie Kanagawa, JP 8 17
Sugimoto, Hiroki Kanagawa, JP 69 608

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