Patent ID: 6747087
Filing Date: 2004-06-08
Classification: B60C,C08K,Y10S,Y10T

Abstract:
A rubber composition usable for the manufacture of tires, comprising, as base constituents, a diene elastomer, a white filler as reinforcing filler and a coupling agent (white filler/elastomer) that links the reinforcing filler and the elastomer, the white filler comprising a titanium oxide having the following characteristics:(a) its specific BET surface area is between 20 and 200 m2/g; (b) its average particle size (by mass), dw, is between 20 and 400 nm; and (c) its disagglomeration rate, &agr;, measured by the ultrasound disagglomeration test, at 100% power of a 600-watt ultrasonic probe, is greater than 2Ã—10âˆ’2 &mgr;mâˆ’1/s.