| 摘要 |
PURPOSE: A rubber composition for a tire tread is provided, to improve the strength and abrasion resistance of rubber and the productivity by using fatty acid metal salt derivatives for lowering the polarity of the silica surface. CONSTITUTION: The rubber composition comprises 100 parts by weight of rubber; 0.1-10 parts by weight of a mixture of two or more kinds of fatty acid metal salt derivatives represented by the formula 1; silica; and a silane coupling agent. In the formula 1, R is an alkyl group of C13-C22; and M is Zn, Ca, Na or K. |
