水相悬浮法合成氯磺化聚乙烯的结晶动力学  

Crystallization Kinetics of Chlorosulfonated Polyethylene Suspended in Aqueous Solution

作　　者：王哲[1] 边玉玲[1] 孙志坚[2] 张明耀[1] 杨海东[1] 张会轩[1] 

机构地区：[1]长春工业大学合成树脂与特种纤维工程研究中心,吉林长春130012 [2]吉林石化公司合成树脂厂,吉林吉林132000

出　　处：《高分子材料科学与工程》2009年第7期80-82,86,共4页Polymer Materials Science & Engineering

基　　金：国家自然科学基金资助项目(20074038)

摘　　要：采用水相悬浮法合成了氯磺化聚乙烯(CSM),并用差示扫描量热仪(DSC)研究了产物中不同氯、硫含量对氯磺化聚乙烯结晶行为的影响,结果表明,由БopoxobckИЙ方程得到的结晶动力学参数,较好地解释了氯磺化聚乙烯非等温结晶过程中的成核与生长机理。而且随着降温速率的增加,Avrami指数n并没有大幅度的变化,约为4左右。说明CSM为三维球晶结晶生长,结晶速率常数变化无规律,但变化数量级非常小。The chlorosulfonated polyethylene was prepared by aqueous solution suspension process. The crystallization kinetics of the chlorosulfonated polyethylene was studied by differential scanning calorimeter. The results show that crystallization kinetics parameters by БopoxobckИЙ equation can well explain the nucleation and growth mechanism. The Avrami value is nearly 4, which is no considerably varying with raising of cooling rate, it illustrates the CSM is homogenous nucleation and growth in three dimension and the crystallization rate constant is not big change in the initial stage.

关 键 词：水相悬浮法 非等温结晶 结晶动力学 БopoxobckИЙ方程 

分 类 号：TQ316.335[化学工程—高聚物工业]