Patent ID: 6140393
Filing Date: 2000-10-31
Classification: B60C,C08K,C08L,Y02T

Abstract:
A tire having improved hysteretic properties comprising (I) textile or metal reinforcements and (II) a rubber composition, the rubber composition comprising a mixture of at least: (A) one diene elastomer; (B) silica as a reinforcing filler; and (C) a reinforcing additive consisting essentially of 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 said 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 said polyorganosiloxane and/or the hydroxyl sites of said silica particles and at least one other functional group capable of bonding chemically and/or physically to the chains of the diene elastomer.