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Rubber composition for tire tread, and pneumatic tire using same.

U.S. patent: 9,567,456 Issued: February 14, 2017 Inventors: Masaki Sato, Satoshi Mihara and Yoshihiro Goto Assigned: Yokohama Rubber Key statement: Provided is a rubber composition for a tire tread containing: a diene rubber; silica in an amount of from 60 to 200 parts by mass per 100 parts by mass of the rubber; a polysiloxane represented by the average composition formula: [(A).sub.a][(B).sub.b][(C).sub.c][(D).sub.d][(Ri).sub.e] Si[O.sub.(4-2a-b-c-d-e)/2]; and an alky' triethoxysilane having an alkyl group with from 7 to 20 carbon atoms. Also provided is a pneumatic tire using this rubber composition in the tire tread.

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Title Annotation:Patent News
Publication:Rubber World
Date:Mar 1, 2017
Previous Article:Pneumatic tire and manufacturing method of the same.
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