Indexed by:期刊论文
Date of Publication:2010-01-15
Journal:合成橡胶工业
Included Journals:ISTIC、CSCD
Volume:33
Issue:1
Page Number:11-15
ISSN No.:1000-1255
Key Words:苯乙烯;丁二烯;稀土催化剂;溶液聚合;微观结构;高抗冲聚苯乙烯
Abstract:以酸性膦酸酯钕盐Nd(P_(507))_3(简称Nd)、氢化二异丁基铝(简称Al)和倍半乙基铝(简称Cl)为催化剂体系,研究了丁二烯在苯乙烯溶剂中的选择性聚合,考察了溶剂种类、Al/Nd、Cl/Nd及温度对聚合的影响.结果表明,该催化剂体系可在苯乙烯溶剂中实现丁二烯的选择性聚合,在Al/Nd(摩尔比)为10、Cl/Nd(摩尔比)为2.0及聚合温度为50 ℃的条件下,丁二烯的转化率可达90%以上;聚合物中苯乙烯链节的摩尔分数在4%以下,丁二烯链节的顺式-1,4-结构摩尔分数为90%左右,1,2-结构摩尔分数为4%左右.
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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