The results showed that the optimum comprehensive properties of the blend were obtained when the PVC/SBR(75/25) blend,the NBR/CPE(2.5/2.5) compatibilizer,the semi EV system or semi EV system+2phr of DCP were used.

• 结果表明，当PVC/SBR并用比为75/25，相容剂NBR/氯化聚乙烯并用比为2.；5/2