Patent ID: 9556331
Date: 2017-01-31
CPC Classifications: B60C,C08K,C08L

Claim:
1. A tire having a tread of a rubber comprised of, based on parts by weight per 100 parts by weight rubber (phr): (A) 100 phr of at least one conjugated diene-based elastomer which includes: (B) about 10 to about 170 phr of particulate reinforcing filler comprised of pre-hydrophobated precipitated silica where said precipitated silica is pre-hydrophobated by reaction with at least one of alkoxyorganomercaptosilane and bis(3-triethoxysilylpropyl)polysulfide having an average of from about 2 to about 4 connecting sulfur atoms in its polysulfidic bridge, wherein said reinforcing filler contains less than about 12 phr of rubber reinforcing carbon black, and (C) about 0.1 to about 10 phr of pre-formed zinc salt of fatty acid soap.