Patent ID: 6033597
Filing Date: 2000-03-07
Classification: C08K,C08L,Y10T

Abstract:
A rubber compounding agent for 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, a diene rubber and ethylene-propylene copolymer rubber, said agent comprising:(A) a polysiloxane having the alkoxysilyl group (I) and having an average degree of polymerization of 3 to 10,000:.tbd.Si--OR.sup.1 (I)wherein, R.sup.1 is a substituted or unsubstituted monovalent hydrocarbon group having 1 to 18 carbon atoms or an organic group containing an ether bond; and(B) a silane coupling agent in a weight ratio of (A)/(B)=95/5 to 5/95, said silane coupling agent being a sulfur-containing silane coupling agent.