Plant Oil-Containing Rubber Compositions, Tread Thereof And Race Tires Containing The Tread

摘要

Disclosed herein are rubber compositions comprising at least one elastomer; reinforcing filler comprising carbon black, silica, or a combination thereof; at least one hydrocarbon resin; and at least one plant oil and optionally at least one additional oil, wherein the total amount of reinforcing filler is at least 25% by weight of the rubber composition and the total amount of oil is at least 60 phr and comprises about 15 to about 35% by weight of the rubber composition. The rubber compositions are useful in tire treads, particularly tire treads for race tires. In certain embodiments the at least one plant oil comprises coconut oil.