The results showed that, CPVC was easy to dehydrochlorinate during processing, both lead salt stabilizers and organotin stabilizers as common PVC stabilizers were suitable for CPVC system, and the stabilizing effect of lead salt stabilizers was better than that of organotin stabilizers. 结果表明,CPVC在加工过程中易发生脱HCl反应,PVC常用的铅盐稳定剂、有机锡类稳定剂均适于CPVC体系,且铅盐稳定剂的稳定效果要优于有机锡类稳定剂。