Chunqing ZHANG
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无规聚1-丁烯及聚乙烯-聚1-丁烯两嵌段共聚物的合成与表征
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Indexed by:期刊论文

Date of Publication:2011-05-15

Journal:合成橡胶工业

Included Journals:PKU、ISTIC、CSCD

Volume:34

Issue:3

Page Number:181-185

ISSN No.:1000-1255

Key Words:负离子聚合;二哌啶乙烷;1,2-聚丁二烯;嵌段聚丁二烯;加氢反应;无规聚1-丁烯;聚乙烯-聚1-丁烯嵌段共聚物

Abstract:通过一步或分步添加极性调节剂二哌啶乙烷,采用负离子聚合技术合成了1,2-结构质量分数大于98.5%的聚丁二烯及不同嵌段比的低乙烯基-高乙烯基嵌段聚丁二烯,然后使用镍系催化剂对其进行加氢反应,合成了无规聚1-丁烯和聚乙烯-聚1-丁烯两嵌段共聚物,并对聚合物进行了表征.结果表明,无规聚1-丁烯的无规化程度很高,玻璃化转变温度(Tg)为-24.5~-22.7℃;两嵌段共聚物在低温区出现了聚1-丁烯的Tg,而在高温区则出现了聚乙烯的熔融吸热峰,且随着聚乙烯嵌段含量的增加,Tg值略有升高,结晶度增大.

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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

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