| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rubber composition excellent in workability, fracture characteristics, abrasion resistance and low heat generation property. <P>SOLUTION: The rubber composition is composed by incorporating, into 100 parts by mass of a rubber component (A) containing ≥10 mass% of a modified conjugated diene polymer having at least one functional group, ≥20 parts by mass of a reinforcing filler (B) and 5-60 parts by mass of a modified aromatic vinyl compound-conjugated diene compound copolymer (C) having at least one functional group whose aromatic vinyl compound content is 5-80 mass%, whose conjugated diene compound moiety has an amount of the vinyl bonding of 10-80 mass%, and whose weight average molecular weight in terms of polystyrene, measured by GPC, is 5,000-500,000. <P>COPYRIGHT: (C)2007,JPO&INPIT |
