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单茂钪合成高顺式异戊二烯/丁二烯/苯乙烯共聚物的研究

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Indexed by:会议论文

Date of Publication:2015-10-17

Page Number:140-140

Key Words:钪;异戊二烯;丁二烯;苯乙烯;共聚

Abstract:  考察了4 种单茂稀土配合物Cp'Ln(CH2C6H4NMe2-o)2(1∶ Cp'= C5H5,Ln = Sc; 2∶Cp'= C5H5,Ln = Lu; 3∶ Cp'= C5H5,Ln = Y; 4∶ Cp'= C5Me4SiMe3,Ln = Sc;)在助剂[Ph3C][B(C6F5)4]的活化下催化异戊二烯、丁二烯及苯乙烯均聚合及共聚合的催化性能,研究了稀土金属和配体结构对聚合活性和立体选择性的影响规律,探索了单体配位方式和聚合路径。

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