Macromolecules

Single-Site Bifunctional Catalysts for COX (X= O or S)/Epoxides Copolymerization: Combining High Activity, Selectivity, and Durability

WM Ren, Y Liu, AX Xin, S Fu, XB Lu

Index: Wang, Yi-Ming; Li, Bo; Wang, Hui; Zhang, Zhi-Chao; Lu, Xiao-Bing Applied Organometallic Chemistry, 2012 , vol. 26, # 11 p. 614 - 618

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Citation Number: 7

Abstract

Unprecedented activity (TOF> 270 000 h–1), high polymer selectivity (> 99%), and excellent durability (TON> 600 000) were observed in the copolymerization of carbonyl sulfide (COS) and epoxides mediated by the single-site bifunctional chromium catalyst containing a Lewis