Tire with silica-reinforced tread consisting of trans 1,4-polybutadiene, solution SBR, polyisoprene and defined amounts of carbon black and amorphous silica

摘要

This invention relates to a tire having a tread of a cap/base construction wherein the tread cap is composed of trans 1,4-polybutadiene, solution polymerization prepared styrene/butadiene copolymer rubber, cis 1,4-polyisoprene rubber and defined amounts of carbon black and amorphous silica reinforcement.