概述了聚氯乙烯(PVC)的热降解机理及热稳定剂的作用机理,重点介绍了铅盐类稳定剂、金属皂类稳定剂、有机锡类稳定剂、稀土类稳定剂等的研究发展情况,对热稳定剂的发展趋势进行了展望.%The heat degradation and stabilizing mechanism of PVC were reviewed, the research progress of lead salt thermal stabilizer, metal soap thermal stahilizer, organotin thermal stabilizer and rare earth thermal slabilizer ia mainly introduced. And the development trend of the stabilizers is prospected.
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