Patent ID: 6337361
Filing Date: 2002-01-08
Classification: C08K,C08L,Y10T

Abstract:
A rubber composition comprising:(i) 100 parts by weight of at least one rubber selected from the group consisting of natural rubber, polyisoprene rubber, styrene-butadiene copolymer rubber, polybutadiene rubber, acrylonitrile-butadiene copolymer rubber, butyl rubber, and ethylene-propylene copolymer rubber, (ii) 5-100 parts by weight of silica, (iii) a silane coupling agent; (iv) at least one inert powder having, impregnated therein, a polysiloxane having the alkoxysilyl group (I) and having an average degree of polymerizatin of 3 to 10,000: â‰¡Siâ€”OR1â€ƒâ€ƒ(I) wherein, R1 is a substituted or unsubstituted monovalent hydrocarbon group having 1 to 18 carbon atoms or an organic group containing an ether bond, wherein the amount of the polysiloxane is 0.2-30% by weight of the total composition.