Chunqing ZHANG
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二丁基镁对镍催化体系合成高顺式聚丁二烯的影响
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Indexed by:期刊论文

Date of Publication:2006-11-30

Journal:高分子材料科学与工程

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

Volume:22

Issue:6

Page Number:32-35

ISSN No.:1000-7555

Key Words:镍催化体系;聚丁二烯;二丁基镁;动力学

Abstract:采用二丁基镁(MgBu2)部分或全部代替三异丁基铝(Al(i-Bu)3)作为镍催化体系的烷基化试剂,构成Ni(naph)2-MgBu2-BF3OEt2体系和Ni(naph)2-Al(i-Bu)3-MgBu2-BF3OEt2体系合成高顺式聚丁二烯橡胶.研究了体系在不同陈化方式和温度下的聚合反应动力学,并对聚合产物进行了测试表征.动力学研究结果表明,MgBu2的加入能增大Ni-Al-B体系的聚合反应活性,且Ni-Mg-B体系的聚合反应活性明显高于Ni-Al-B体系和Ni-Al-Mg-B体系;聚合产物测试结果表明,聚丁二烯的顺1,4-结构稍有下降,其相对分子质量、分子量分布以及门尼黏度等基本保持不变.

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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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