硬质聚氯乙烯管材塑化度及调整 周百良 比较硬质 PVC管材塑化度与力学性能的关系, 得出硬质 PVC管材塑化度的最佳 范围为 60%~70%。分析配方、混料、工艺条件对塑化度的影响,以指导生产过程, 并将塑化度调整到最佳塑化范围。 关键词:硬质聚氯乙烯 塑化度 调整 Regulating the Plasticizing Rate of R-PVC Pipe Zhou Bailiang (Zibo Qilu Wufeng Plastic & Rubber Company,Shandong,255411) As for the relationship between the plasticizing rate and the mechanical properties of R-PVC pipe,it showed that the optimal plasticizing rat