The results show that the higher the degree of polymerization is,the better heat stability of HPVC resin is,and the better light aging resistance of HPVC is.

• 结果表明,聚合度越高,树脂的热稳定性越好,HPVC的耐光老化性能明显优于普通聚合度聚氯乙烯(PVC)。