| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition suitable for a tire tread that is enhanced in abrasion resistance without detriment to a heat build-up property, cutting resistance, and chipping resistance. SOLUTION: The rubber composition comprises 100 pts.wt. of a diene rubber and 10-120 pts.wt. of carbon black, where the rubber composition further contains a reactive vinyl polymer obtained by polymerizing a vinyl monomer using a polysulfide compound as a polymerization initiator and the polysulfide compound preferably comprises at least one selected from the group of thiuram-based polysulfide compounds. COPYRIGHT: (C)2008,JPO&INPIT
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