Patent ID: 6384118
Filing Date: 2002-05-07
Classification: B60C,C08K,Y10T

Abstract:
A process for the preparation of a silica-filled, vulcanized elastomeric compound comprising:mixing an elastomer with a reinforcing filler selected from the group consisting of silica and mixtures thereof with carbon black, from zero to less than about 1 percent by weight of bis(3-triethoxysilylpropyl) tetrasulfide, based on the weight of the silica, an alkylalkoxysilane, a processing aid selected from the group consisting of fatty acid esters of sorbitan, polyoxyethylene derivatives of fatty acid esters of sorbitan, and mixtures thereof, and a cure agent comprising an effective amount of sulfur to provide a satisfactory cure of the compound; and effecting vulcanization.