Article
A cyclic selenium-based reversible addition-fragmentation chain transfer agent mediated polymerization of vinyl acetate
Article first published online: 17 JAN 2013
DOI: 10.1002/pola.26539
Copyright © 2013 Wiley Periodicals, Inc.
Issue

Journal of Polymer Science Part A: Polymer Chemistry
Volume 51, Issue 7, pages 1656–1663, 1 April 2013
Additional Information
How to Cite
Zhan, Y., Zhang, Z., Pan, X., Zhu, J., Zhou, N. and Zhu, X. (2013), A cyclic selenium-based reversible addition-fragmentation chain transfer agent mediated polymerization of vinyl acetate. J. Polym. Sci. A Polym. Chem., 51: 1656–1663. doi: 10.1002/pola.26539
Publication History
- Issue published online: 26 FEB 2013
- Article first published online: 17 JAN 2013
- Manuscript Accepted: 18 DEC 2012
- Manuscript Received: 1 OCT 2012
- Abstract
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Keywords:
- biopolymers;
- kinetics;
- poly(vinyl acetate);
- RAFT polymerization;
- reversible addition fragmentation chain transfer (RAFT);
- selenium
Abstract
A cyclic selenium-based reversible addition-fragmentation chain transfer (RAFT) agent, 5,5-dimethyl-3-phenyl-2-selenoxo-1,3-selenazolidin-4-one (RAFT-Se), was synthesized and utilized in the RAFT polymerizations of vinyl acetate (VAc). Its analog, 5,5-dimethyl-3-phenyl-2-thioxothiazolidin-4-one (RAFT-S), was also used in RAFT polymerizations for comparison under identical conditions. The RAFT polymerizations of VAc with RAFT-Se were moderately controlled evidenced by the increase of molecular weights with conversion, despite the slightly high Mw/Mn (less than 1.90), whereas the molecular weights were poorly controlled in the presence of RAFT-S (2.00 < Mw/Mn < 2.30). Thanks to its unusual cyclic structure of RAFT-Se, one or more RAFT-Se species was incorporated into the resultant poly(VAc) as revealed by the results of cleavage of polymer and atomic absorption spectroscopy. Considering the biorelated functions of both poly(VAc) and Se element, this work undoubtedly provided a successful methodology of how to incorporate high content of Se into a molecular weight controlled poly(VAc). © 2013 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2013

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