Indexed by:期刊论文
Date of Publication:2007-11-15
Journal:合成橡胶工业
Included Journals:PKU、ISTIC、CSCD
Volume:30
Issue:6
Page Number:473
ISSN No.:1000-1255
Key Words:麝香草酚钡;负离子催化剂;高反式结构;嵌段聚丁二烯
Abstract:以环己烷为溶剂,正丁基锂(简称Li)为主引发剂,加入有麝香草酚钡(简称Ba)和三异丁基铝(简称Al)形成的复合引发剂体系,合成了中反-高反的嵌段聚丁二烯(PB).通过改变Ba和Al的加入时间合成了不同结构的嵌段中反-高反PB.研究了不同引发剂添加量对嵌段中反-高反结构与玻璃化转变温度(Tg)的影响.结果表明,均聚物高反式PB只有1个Tg,为-86.9℃,而嵌段PB则有2个Tg,分别为-92.7℃和-32.7℃;随着高反式嵌段含量的减少,PB总的反式结构含量降低,但高反式嵌段的反式结构含量基本保持不变.
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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