Chunqing ZHANG
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钕系催化剂合成高顺式窄分布聚丁二烯
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Indexed by:期刊论文

Date of Publication:2013-06-15

Journal:高分子材料科学与工程

Included Journals:Scopus、EI、PKU、ISTIC、CSCD

Volume:29

Issue:6

Page Number:28-31,36

ISSN No.:1000-7555

Key Words:钕系催化剂;丁二烯;聚丁二烯

Abstract:以新癸酸钕(简称Nd)/氢化二异丁基铝(简称Al)/氯化二乙基铝(简称Cl)为催化剂进行了丁二烯(简称Bd)聚合.考察了催化剂配制时不同Bd用量、[Al]/[Nd]、[Cl]/[Nd]、聚合温度和时间对Bd聚合的影响.结果表明:催化剂配制时,随Bd用量的增加,催化活性升高,相对分子质量分布变窄.聚合物产率在[Al]/[Nd]比值很低([Al]/[Nd]=10)时即可达到100%.所得聚合物具有高相对分子质量((M)n=44×104),窄的相对分子质量分布(1.47),高cis-1,4结构含量(98.3%).聚合物的微观结构基本不受反应条件的影响,显示该催化剂具有高的稳定性和立体定向性.

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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

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