The grafting reaction of vinyl acetate with polyvinyl alcohol which was regarded as the protectingcolloid in the emulsion polymerization of vinyl acetate was investigated in this paper.
研究了以聚乙烯醇为保护胶体的醋酸乙烯乳液聚合中，作为保护胶体的聚乙烯醇与醋酸乙烯的接枝反应。
2
HPMC solution has the function of surface activity, which can be used as colloidprotecting agent, emulsifying agent and dispersant.