星形高乙烯基聚丁二烯微观结构的控制研究(英文)  

Study on microstructure control of star-shape high vinyl content polybutadiene

作　　者：辛波[1] 张兴英[1] 韩丙勇[1] 

机构地区：[1]北京化工大学可控化学反应科学与技术基础教育部重点实验室,北京100029

出　　处：《合成橡胶工业》2001年第4期236-236,共1页China Synthetic Rubber Industry

摘　　要：采用多官能度有机锂引发剂一步法合成星形高乙烯基聚丁二烯，结果表明极性调节剂及反应温度是影响聚合物微观结构的主要因素，聚合物的平均臂数越多，星形高乙烯基聚丁二烯的相对分子质量分布越窄。A star-shape high vinyl content polybutadiene(SHVPB) was prepared using a multilithium initiator by one-step process. Compared with the traditional two-step process, the one-step process possesses simplicity and high coupling efficiency. Lewis base was used to regulate the vinyl content. The factors affecting the microstructure and the relative molecular mass distribution of SHVPB are discussed in this paper.

关 键 词：负离子聚合 多锂引发剂 极性调节剂 星形高乙烯基聚丁烯 微观结构 橡胶 

分 类 号：TQ316[化学工程—高聚物工业]