Indexed by:期刊论文
Date of Publication:2015-07-25
Journal:合成树脂及塑料
Included Journals:Scopus、PKU、ISTIC
Volume:32
Issue:4
Page Number:6-10
ISSN No.:1002-1396
Key Words:聚乙烯-b-聚环氧乙烷嵌段共聚物;负离子聚合;单体活化;顺序聚合;氢化
Abstract:首先以正丁基锂为引发剂(n-BuLi),三异丁基铝为添加剂,通过单体活化顺序负离子聚合由丁二烯和环氧乙烷合成聚丁二烯-b-聚环氧乙烷嵌段共聚物,然后采用对甲苯磺酰肼进行常压加氢反应,得到一系列窄相对分子质量分布的聚乙烯-b-聚环氧乙烷嵌段共聚物.考察了三异丁基铝用量对环氧乙烷聚合动力学的影响,并表征了聚合产物的结构组成.结果表明:当n(Al)∶n(n-BuLi)较小时(6),环氧乙烷的动力学曲线中存在明显的诱导期;随着n(Al)∶n(n-BuLi)增大(10,14),诱导期缩短,聚合反应速率加快.所制聚合物具有预定的结构,且相对分子质量可控.
Associate Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates
Gender:Male
Alma Mater:Dalian University of Technology
Degree:Doctoral Degree
School/Department:Dept. of Polymer Materials
Discipline:Polymer Materials. Polymer Chemistry and Physics. Chemistry and Chemical Engineering of Functional
Business Address:Chemical Experiment Building A303, West Campus
Contact Information:Tel：+86-411-84986101
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