Indexed by:期刊论文
Date of Publication:2004-03-25
Journal:合成橡胶工业
Included Journals:PKU、ISTIC、CSCD
Volume:27
Issue:2
Page Number:111-111
ISSN No.:1000-1255
Key Words:间甲基苯酚钾 异戊二烯 负离子聚合 链转移反应 微观结构
Abstract:考察了间甲基苯酚钾(m-ROK)用量对正丁基锂(n-BuLi)/m-ROK/二乙二醇二甲醚/异戊二烯/二甲苯负离子聚合体系的链转移反应、聚异戊二烯相对分子质量及微观结构的影响.结果表明,当m-ROK/n-BuLi(摩尔比)小于0.5时,聚异戊二烯的特性黏数和相对分子质量迅速下降,链转移次数增加;当m-ROK/n-BuLi(摩尔比)大于0.5时,则不遵循此变化规律.m-ROK的加入明显加宽了聚异戊二烯的相对分子质量分布.增加m-ROK用量时,聚异戊二烯微观结构中1,2-结构和3,4-结构质量分数下降,1,4-结构质量分数增加.
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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