国产水分散型助分散剂聚乙烯醇的制备  

Preparation of domestic water-dispersible secondary dispersant polyvinyl alcohol

作　　者：郑忠川[1] 

机构地区：[1]锦西化工研究院有限公司,辽宁葫芦岛125000

出　　处：《聚氯乙烯》2013年第3期27-28,42,共3页Polyvinyl Chloride

摘　　要：介绍了水分散型助分散剂——聚乙烯醇的制备方法,并对其聚合度、醇解度的影响因素进行了分析,对所制备的聚乙烯醇产品进行了性能与应用评价。结果表明:利用该水分散型助分散剂聚乙烯醇生产的PVC树脂的各项性能均达到国外同类产品水平,可以用作氯乙烯悬浮聚合的助分散剂。Methods for the preparation of water-dispersible secondary dispersant polyvinyl alcohol wcrc introduced, and factors of influencing its polymerization degree and alcoholysis dcgrcc werc analyzed. Application and performances of polyvinyl alcohol produts prcpared wcre evaluatcd. The results showed that various properties of PVC resins prepared by using this water-dispersible secondary dispcrsant polyvinyl alcohol could reach the level of similar foreign product, and could be used as the sccondary dispersant in thc suspcnsion polymcrization of vinyl chloride.

关 键 词：PVC PVA 水分散型助分散剂 聚合度 醇解度 

分 类 号：TQ325.3[化学工程—合成树脂塑料工业]