Keywords calcium-zincum composite heat stabilizer;chelating agent;soft polyvinyl chloride;rigid polyvinyl chloride;static heat stability;UV-resistant property;

• 钙锌复合热稳定剂;螯合剂;软质聚氯乙烯;硬质聚氯乙烯;静态热稳定性;抗紫外性能;