PNEUMATIC TIRE WITH TREAD OF MEDIUM VINYLE POLY BUTADIENE/RUBBER BLEND

摘要

A pneumatic tire has a tread of a suphur cured elastomeric composition. The tread composition comprises (a) 20-90 wt.% medium vinyl polybutadiene rubber contg. 30-55% vinyl. (b) 10-60 wt.% low vinyl polybutadiene rubber contg. 1-15% vinyl and (c) 0-55% wt.% cis 1,4-polyisoprene rubber. The tread has an improved rolling resistance.