| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a tread rubber composition excellent in gripping performance and a pneumatic tire having a tread using the same. Ž<P>SOLUTION: The tread rubber composition includes, based on 100 pts.mass rubber component, 20-150 pts.mass carbon black, 5-50 pts.mass aromatic oligomer, and 2-20 pts.mass metal acid compound. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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