Studies on blending properties of two types tin-coupled S-SBR with different structures

摘要

Properties of blends of Sn-coupled S-SBRs with different 1,2-vinyl content were studied. It was shown that the two type S-SBRs could be compatible at any ratio. With the increasing of 1,2-vinyl content, fatigue resistance and abrasion resistance of the blends decreased, while wet skid resistance increased apparently and rolling resistance unchanged by and large. The vulcanizate exhibited optimal integrative properties when the 1,2-vinyl content was about 30%.