| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition for tires that reduces the rolling resistance without adverse effect on wet grip performance and abrasion resistance and achieves the fuel cost reduction for cars. SOLUTION: The tire rubber composition comprises a diene rubber and silica that includes sodium in an amount of 0.25 to 1.5 %wt. COPYRIGHT: (C)2006,JPO&NCIPI
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