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聚乙烯醇(PVA)系高分子表面活性剂,可用作乙烯基单体乳液均聚或共聚的乳化剂和氯乙烯(VC)悬浮聚合的分散稳定剂。本文主要介绍它的分类、性能、应用和乳化分散作用机理。
Polyvinyl alcohol (PVA) -based polymer surfactant can be used as emulsifier for homopolymerization or copolymerization of vinyl monomer emulsion and as dispersion stabilizer for vinyl chloride (VC) suspension polymerization. This article describes its classification, performance, application and emulsification dispersion mechanism.