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。
The heat stability, thermal decomposition behavior and the effect of light aging on performance of HPVC were studied.
结果表明，聚合度越高，树脂的热稳定性越好，HPVC的耐光老化性能明显优于普通聚合度聚氯乙烯(pvc)。
The results show that the higher the degree of polymerization is, the better heat stability of HPVC resin is, and the better light aging resistance of HPVC is.
通过采用具有双基团分子结构的防沉分散剂DAD，制得了具有优异贮存稳定性能、稀释稳定性能和光泽均匀性能的哑光涂料。
By using DAD, the double base anti-settling dispersant, we produce semi-gloss paint of excellent performance in storage, dilute stability and homogeneous glossiness.
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