Vinyl chloride polymers having improved optical properties are prepared by polymerizing a monomer component which comprises vinyl chloride in an aqueous system in the presence of an emulsifying agent comprising a water-soluble salt of an acid ester which is a 2,2,4-trimethylpentane-1,3-diol monoisobutyrate ester of a polycarboxylic acid having 2 to 4 carboxyl groups and 4 to 20 carbon atoms.
氯乙烯聚合物具有更好的光学性能,其制备方法是在
水性体系中,在
乳化剂的存在下,聚合由
氯乙烯组成的单体成分,
乳化剂包括一种酸酯的
水溶性盐,该酸酯是具有 2 至 4 个羧基和 4 至 20 个碳原子的聚
羧酸的 2,2,4-
三甲基戊烷-1,3
-二醇单
异丁酸酯。