Chunqing ZHANG
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用含有麝香草酚钡的负离子催化剂体系合成高反式嵌段聚丁二烯
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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.

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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

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