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Polymers 2017, 9(10), 515; https://doi.org/10.3390/polym9100515

A Single-Site Iron(III)-Salan Catalyst for Converting COS to Sulfur-Containing Polymers

Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Dalian 116012, China
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Received: 22 September 2017 / Revised: 9 October 2017 / Accepted: 11 October 2017 / Published: 17 October 2017
(This article belongs to the Special Issue Olefin Polymerization and Polyolefin)
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Abstract

An iron(III) complex of tetradentate N,N′-disubstituted bis(aminophenoxide) (designated as salan, a saturated version of the corresponding salen ligand) with a sterically hindered organic base anchored on the ligand framework, can selectively mediate the conversion of carbonyl sulfide to sulfur-containing polymers by the copolymerization with epoxides. This single-site catalyst exhibits broad substrate scope, and the resultant copolymers have completely alternating structures. In addition, this catalyst is efficient in producing diblock copolymers, suggesting a living polymerization nature. View Full-Text
Keywords: carbonyl sulfide; epoxide; iron catalyst; poly(monothiocarbonate)s carbonyl sulfide; epoxide; iron catalyst; poly(monothiocarbonate)s
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Gu, G.-G.; Yue, T.-J.; Wan, Z.-Q.; Zhang, R.; Lu, X.-B.; Ren, W.-M. A Single-Site Iron(III)-Salan Catalyst for Converting COS to Sulfur-Containing Polymers. Polymers 2017, 9, 515.

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