Journal of Polymer Science Part A: Polymer Chemistry 2017-12-22

Cationic half-sandwich scandium complex for the synthesis of polyisobutylene with high molecular weight under mild conditions

Ke Yang, Tingting Li, Rui Tan, Kaihua Shen, Yang Li

Index: 10.1002/pola.28916

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Abstract

The half-sandwich rare earth metal complex, [(C5Me4SiMe3)Sc(CH2SiMe3)2THF]/[Ph3C][B(C6F5)4], is an effective cationic initiator system to afford high-molecular-weight polyisobutylene and isobutylene–isoprene copolymer at relatively mild conditions.