发明申请
US20110136962A1 TIRE RUBBER COMPOSITION AND PNEUMATIC TIRE 失效
轮胎橡胶组合物和气动轮胎

TIRE RUBBER COMPOSITION AND PNEUMATIC TIRE
摘要:
It is an object of the present invention to provide a tire rubber composition excellent in performances such as silica dispersibility and processability. The present invention relates to a tire rubber composition, comprising: a rubber component; silica; and a silane coupling agent, wherein the silica has a CTAB specific surface area of 180 m2/g or more and a BET specific surface area of 185 m2/g or more, and the silane coupling agent is a copolymer comprising units A represented by formula (1) and units B represented by formula (2), and the proportion of the units B is 1 to 70 mol % of the total molar amount of the units A and the units B.
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