本体法PVC树脂残留氯乙烯单体含量超标原因及调整措施  

Cause of excess vinyl chloride content in bulk PVC resin and adjustment measures

作　　者：王西能 WANG Xi'neng(Xinjiang Zhongtai Chemical Toksun Energy Chemical Co.,Ltd.,Turpan 830024,China)

机构地区：[1]新疆中泰化学托克逊能化有限公司,新疆吐鲁番830024

出　　处：《聚氯乙烯》2020年第12期1-5,共5页Polyvinyl Chloride

摘　　要：分析残留氯乙烯含量超标树脂的质量,深入讨论本体聚合过程,找到了本体法PVC树脂残留氯乙烯含量超标的原因,并有针对性地进行了工艺优化和配方调整,使本体法PVC树脂残留氯乙烯含量从2 000μg/g降至5μg/g以下,解决了制约本体法PVC树脂质量提升的关键问题。Through the quality analysis of the bulk PVC resin with excess residual vinyl chloride content and in-depth discussion on the bulk polymerization process, the reasons for the excess residual vinyl chloride content in the bulk PVC resin were found out. Process optimization and formula adjustment were made to target the reduction in the residual vinyl chloride content of bulk PVC resin from 2 000 μg/g to blow 5 μg/g, thus the key problem restricting the quality improvement of bulk PVC resin was solved.

关 键 词：本体法PVC树脂 残留氯乙烯含量 表观密度 颗粒形态 真空 汽提 

分 类 号：TQ325.3[化学工程—合成树脂塑料工业]