Preparation of cobaltocenium-labeled polymers by atom transfer radical polymerization

Lixia Ren, Jiuyang Zhang, Christopher G. Hardy, Deon Doxie, Barbara Fleming, Chuanbing Tang

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Cobaltocenium-labeled polymers were prepared by atom transfer radical polymerization (ATRP) using cobaltocenium-containing α-haloesters as initiators. The locations of the cobaltocenium moiety in the polymer chains (either at the end or in the middle) were dictated by the chemical structures of initiators. Kinetic studies showed that polymerizations of styrene, tert-butyl acrylate, and methyl methacrylate monomers followed a controlled/living manner, except that polymerization of methyl methacrylate with the aid of cobaltocenium monoinitiator displayed significant termination. All resultant polymers were redox-active and exhibited characteristic UV-vis absorption from the cobaltocenium moiety.

Original languageEnglish (US)
Pages (from-to)2267-2275
Number of pages9
JournalMacromolecules
Volume45
Issue number5
DOIs
StatePublished - Mar 13 2012

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