The main reasons for currently domestic PVC plasticizing difficulty were analyzed, and the mechanism to improve plasticizing characteristic were also introduced.

• 分析了目前国产聚氯乙烯树脂塑化性能差的主要原因,介绍了其塑化性能改善的机理,论述了聚氯乙烯树脂塑化性能改善进展现状及发展方向。