Rubber compositions for tires having low rolling resistance and excellent running stability consist mainly of a rubber blend consisting of 10-90% by weight of a high vinyl amorphous butadiene-styrene copolymeric rubber obtained by copolymerizing styrene with 1,3-butadiene and containing 3-30% by weight...http://www.google.es/patents/US4485205?utm_source=gb-gplus-sharePatente US4485205 - Rubber compositions suitable for tires comprising amorphous styrene-butadiene copolymer
Rubber compositions suitable for tires comprising amorphous styrene ...
