综述高聚合度聚氯乙烯树脂及其加工、改性的研究进展孙立梅 ,陈占勋 (1- 1)………………………………………我国硬质聚氯乙烯增韧改性的进展崔丽梅 ,殷耀华 (1- 7)…………………………………………………………聚氯乙烯增塑剂现状与发展趋势蒋平平 ,方洪熙 ,魏林娟 ,等 (2 - 1 Review of high degree of polymerization of polyvinyl chloride resin and its processing, modification of the research progress Sun Limei, Chen Zhanxun (1- 1) ...................................................... China toughening PVC modified (1) (7) ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Etc. (2 - 1