Tire rubber composition
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United States of America Patent
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May 22, 2018
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app pub date -
Dec 5, 2014
filing date -
Dec 6, 2013
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Abstract
A tire rubber composition that improves dry grip performance to or beyond conventional levels, while retaining grip performance sustainability and wear resistance during high-speed running is provided. A tire rubber composition comprising 40 to 180 parts by weight of carbon black having a nitrogen adsorption specific surface area of 80 to 400 m2/g and 1 to 100 parts by weight of aromatic copolymer blended in 100 parts by weight of diene rubber, the aromatic copolymer being a copolymer of an α-methylstyrene derivative represented by general formula (I) and indene.
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