Cp_2TiCl_2/助催化剂体系催化异戊二烯齐聚反应的研究  

Oligomerization of Isoprene Catalyzed by Cp_2TiCl_2/Cocatalyst System

作　　者：吴添智[1] 陶晓春[1] 刘如成[1] 黄吉玲[1] 钱延龙[1] 

机构地区：[1]华东理工大学金属有机实验室,上海200237

出　　处：《分子催化》2002年第6期471-474,共4页Journal of Molecular Catalysis(China)

摘　　要：The oligomerization of isoprene catalyzed by Cp2TiCl2 and cocatalyst (cocatalyst = iPrMgCl, NaH, MAO(methylaluminoxane), DIBAL(diisobutylaluminum hydride))has been studied. The two dimers, 2,6dimethyl1, trans3,6octatriene and 3,6dimethyl1,3,6octatriene were obtained by distilling under reduced pressure and characterised by GCMS? 1HNMR? 13CNMR and GCIR. The higher oligomer which was extracted by petroleum ether was analyzed by MS and 1HNMR. The mass spectrum shows that the molar weight of the higher oligomer is within 1224, accordingly, the degree of polymerization is ranged from 3 to 18.The oligomerization of isoprene catalyzed by Cp2TiCl2 and cocatalyst (cocatalyst = iPrMgCl, NaH, MAO(methylaluminoxane), DIBAL(diisobutylaluminum hydride))has been studied. The two dimers, 2,6dimethyl1, trans3,6octatriene and 3,6dimethyl1,3,6octatriene were obtained by distilling under reduced pressure and characterised by GCMS? 1HNMR? 13CNMR and GCIR. The higher oligomer which was extracted by petroleum ether was analyzed by MS and 1HNMR. The mass spectrum shows that the molar weight of the higher oligomer is within 1224, accordingly, the degree of polymerization is ranged from 3 to 18.

关 键 词：异戊二烯 聚异戊二烯 齐聚反应 Cp2TiCl2/助催化剂体系 

分 类 号：O632.12[理学—高分子化学] O643[理学—化学]