Patent ID: 7338999
Filing Date: 2008-03-04
Classification: B60C,C08K,Y02T

Abstract:
1. A rubber composition for tire tread comprising, based on 100 parts by weight of a diene rubber (A), (i) 5 to 100 parts by weight of inorganic filler (B) represented by the following formula (I): in which M 1 is at least one metal, one oxide thereof or one hydroxide thereof, said metal being selected from the group consisting of Al, Mg, Ti and Ca, k is an integer of 1 to 5, x is an integer of 0 to 10, y is an integer of 2 to 5 and z is an integer of 0 to 10, (ii) 15 to 85 parts by weight of carbon black (C) having nitrogen adsorption specific surface area of 70 to 300 m (iii) 1 to 10 parts by weight of silica (E) having nitrogen adsorption specific surface area of 100 to 300 m (iv) based on the weight of the inorganic filler (B), 0.1 to 150% by weight of a polyether compound (F) represented by the following formula (III): wherein R (v) a silane coupling agent (D).