发明名称 |
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 that contains an epoxidized natural rubber; silica; and a silane coupling agent, wherein the amount of the epoxidized natural rubber in 100% by mass of the rubber component is 15% by mass or more, the silica has a CTAB specific surface area of 180 m 2 /g or more and a BET specific surface area of 185 m 2 /g or more, and the silane coupling agent contains a mercapto group. |
申请公布号 |
EP2333009(B1) |
申请公布日期 |
2013.06.05 |
申请号 |
EP20100015145 |
申请日期 |
2010.11.30 |
申请人 |
SUMITOMO RUBBER INDUSTRIES, LTD. |
发明人 |
HATTORI, TAKAYUKI;MATSUURA, AI;HIRAYAMA, MICHIO;UESAKA, KENICHI |
分类号 |
C08L15/00;B60C1/00;C08K3/36;C08K5/548;C08L9/00 |
主分类号 |
C08L15/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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