The Goodyear Tire & Rubber Company
Pneumatic tire

Abstract:

The present invention is directed to a pneumatic tire comprising a tread, the tread comprising a rubber composition comprising from 30 to 80 phr of a styrene-butadiene rubber having a Tg ranging from -70 C to -40 C, from 10 to 50 phr of a high vinyl polybutadiene having a Tg ranging from -40 C to -5 C and has an isomeric vinyl 1,2 content in a range of from 50 to 90 percent by weight, and from 10 to 30 phr of a natural rubber or synthetic polyisoprene, silica, a blocked mercaptosilane, a traction resin, and liquid plasticizer selected from the group consisting of a low molecular weight polybutadiene functionalized with a hydroxyl functional group and sunflower oil.