分散聚合法制备聚丙烯酰胺水包水乳液

Preparation of the Water-in- water Emulsoin of Polyacrylamide by Dispersion Polymerization

摘要: 采用甲醇一水为分散介质，聚乙烯吡咯烷酮(PVP)为稳定剂，过硫酸钾(KPS)为引发剂，用分散聚合的方法制备了聚丙烯酰胺水包水乳液。研究了醇／水比、稳定剂的种类和用量对聚丙烯酰胺水包水乳液稳定性的影响及单体浓度、引发剂用量和聚合温度对分散聚合法制备聚丙烯酰胺反应速率及分子量的影响。

Abstract: The water-in-water emulsion of polyacrylamide was synthesized by dispersion polymerization,using methanol-water as media,polyvinylpyrrlidone as stabilizer and potassium persulfate as initiator.The effect of the ratio of methanol to water, the kind and con