悬浮PVC树脂颗粒形成新理论——凝聚理论  

A new theory about the formation of suspension PVC resin particles—coacervation theory

作　　者：赵劲松[1] 范成高[2] 

机构地区：[1]重庆顾地塑胶电器有限公司,重庆402761 [2]中国科学技术大学,安徽合肥230026

出　　处：《聚氯乙烯》2010年第8期9-15,18,共8页Polyvinyl Chloride

摘　　要：提出了一种悬浮PVC树脂颗粒形成的新理论——凝聚理论:液态氯乙烯在搅拌作用下以约0.7μm的微滴分散在水中发生聚合反应,当聚合转化率达到25%左右时,这些微滴凝聚成粒径约为130μm的树脂颗粒。通过实验研究、文献资料及逻辑推理证明了其正确性。A new theory, i.e. coacervation theory, about the formation of suspension PVC res- in particles was proposed. It was indicated that liquid vinyl chloride was dispersed in water in the form of droplets with diameter of about 0.7μm under stirring and underwent polymerization, and when the conversion of polymerization reached nearly 25 % these droplets coacervated into resin particles with about 130 μm in diameter. The validity of this new theory was proved by experimental research, literatures and logical reasoning.

关 键 词：PVC 悬浮聚合 颗粒形成理论 机制 影响因素 

分 类 号：TQ325.3[化学工程—合成树脂塑料工业]