Rubber composition for a sidewall rubber composition for base tread rubber composition, and chafer rubber composition, as well as tire using them

摘要

A high elasticity, an object of the present invention that the tensile strength is high, and to provide a rubber composition excellent in fatigue resistance and exothermic. (A) per 100 parts by weight of vulcanizable rubber, melting point contains (C) 1 to 100 parts by weight of the inorganic reinforcing agent polyamide elastomer 100~180 ℃ (B) and 0.1 to 50 parts by weight, and the It is a rubber composition wherein the soft segment of the polyamide elastomer (B) is a polyether.