PVC：低分子量的易溶于酮类，酯类和氯代烃类等溶剂。高分子量的难溶。聚氯乙烯树脂经加工成型就得到聚氯乙烯塑料。其单体成本低、生产工艺成熟、易加工成型。耐酸碱性、耐磨性、电绝缘性好，不燃烧；但热稳定性和耐光性差。140℃分解放出氯化氢，在加工成型过程中，需加入稳定剂。软化温度低，限在80℃以下使用。根据所加增塑剂的多少，可制得软质塑料和硬质树脂。软质塑料可用作电线电缆包皮和其它绝缘材料，可制成透明薄膜，用作雨衣、台布、农用育秧薄膜等；还用来制人造革、泡沫塑料和氯纶纤维。硬质塑料可用于制板材、管道、贮槽、吸收塔等。氯乙烯经悬浮法聚合可得粉末状树脂，若用乳液法聚合，可得糊状树脂。

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