The heat stability, thermal decomposition behavior and the effect of lightaging on performance of HPVC were studied.
主要研究了高聚合度聚氯乙烯（H PVC）的热稳定性和热分解过程以及光老化对HPVC性能的影响。
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The results show that the higher the degree of polymerization is, the better heat stability of HPVC resin is, and the better lightaging resistance of HPVC is.