Patent ID: 6362253
Filing Date: 2002-03-26
Classification: B60C,C08K,C08L,Y02T

Abstract:
A tire tread having improved hysteretic properties comprising a rubber composition, wherein the rubber composition comprises a mixture of: (A) a diene elastomer; (B) silica as a reinforcing filler; and (C) a reinforcing additive comprising a mixture and/or the product of in situ reaction of (i) at least one functionalized polyorganosiloxane compound containing, per molecule, at least one functional siloxy unit capable of bonding chemically and/or physically with the surface hydroxyl sites of the silica particles and (ii) at least one functionalized organosilane compound containing, per molecule, at least one functional group capable of bonding chemically and/or physically with the polyorganosiloxane and/or the hydroxyl sites of the silica particles and at least one other functional group capable of bonding chemically and/or physically to the chains of the diene elastomer.