| 摘要 |
<p>A tire rubber composition comprising 100 parts by weight of a raw rubber, 10 to 150 parts by weight of carbon black, and 0.1 to 20 parts by weight of sulfur, wherein not more than 40 parts by weight of a polysiloxane having an average degree of polymerization of 3 to 10,000, containing an alkoxysilyl group (I) having the following formula: Si - OR1, or an acyloxysilyl group (II) having the following formula: Si - OCOR2 (wherein R1 represents a substituted or unsubstituted monovalent hydrocarbon group having 1 to 18 carbon atoms or an organic ether group; and R2 represents hydrogen or a hydrocarbon group having 1 to 21 carbon atoms) is compounded with the rubber composition.</p> |
