| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a sidewall rubber composition which can obtain high damping performance and a pneumatic tire having a sidewall using the rubber composition. Ž<P>SOLUTION: The sidewall rubber composition contains a rubber component and a thermoplastic polyurethane and the content of the thermoplastic polyurethane is 3-60 pts.mass based on 100 pts.mass rubber component. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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