Patent ID: 9550893
Date: 2017-01-24
CPC Classifications: B60C,C08K,C08L

Claim:
1. A rubber composition comprised of: (A) 100 parts by weight of at least one conjugated diene based elastomer, (B) Reinforcing filler comprised of a combination of rubber reinforcing carbon black and precipitated silica, where said precipitated silica is a composite comprised of a precipitated silica pre-treated with a silica coupling agent prior to its introduction into the rubber composition, wherein said coupling agent is comprised of: (C) Sulfur curative comprised of sulfur, crosslinking agent consisting of 1,6-bis (N,N′-dibenzylthiocarbamyldithio)-hexane and sulfur cure accelerator consisting of sulfenamide, wherein said sulfenamide sulfur cure accelerator is comprised of N-cyclohexyl benzothiazole-2-sulfenamide or N-tert-butyl-2-benzothiazole sulfenamide.