The molecular weight and molecular weight distribution of high degree of polymerization of polyvinyl chloride (HPVC) made in BeiJing and Wuhan were measured by gel permeation chromatography (GPC) and viscometry methods.

• 采用凝胶渗透色谱法(GPC)和粘度法分别测定了北京化工二厂和武汉葛店化工厂生产的高聚合度聚氯乙烯(HPVC)的分子量及其分布。