氯乙烯悬浮法聚合分散体系综述  

Summary on the dispersion system for the suspension polymerization of vinyl chloride

作　　者：李永胜[1] 刘东升[1] 魏青松[1] 

机构地区：[1]天津渤海化工(集团)公司天津化工厂,天津300480

出　　处：《聚氯乙烯》2001年第4期7-10,共4页Polyvinyl Chloride

摘　　要：简单介绍了国内外氯乙烯悬浮聚合分散体系应用情况及常用的聚乙烯醇及纤维素类分散剂的品种和规格。具体分析了影响聚乙烯醇及羟丙基甲基纤维素分散剂分散能力及保胶能力的因素。指出了PVC生产中应用分散剂时的一般规律 ,并探讨了不同搅拌强度、转化率和充N2 压力下分散剂的不同应用对聚合体系的作用情况。The application situations of dispersion system for the suspension polymerization of vinyl chloride at home and abroad are introduced briefly as well as the varieties and specifications of poly(vinyl alcohol) and cellulosic dispersant agent.Factors influencing the dispersity and colloidality of poly(vinyl alcohol) and hydroxypropyl methyl cellulose are analyzed in detail.General rules for the application of dispersant agent in the production of PVC resin are indicated,and the application effect of the dispersant agent on polymerization system under different agitation strength,conversion and N 2 pressure are discussed.

关 键 词：分散剂 氯乙烯 聚合 聚氯乙烯 悬浮法 聚合分散体系 

分 类 号：TQ325[化学工程—合成树脂塑料工业]