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The effect of Z-group modification on the RAFT polymerization of N-vinylpyrrolidone controlled by "switchable" N-pyridyl-functional dithiocarbamates
Stace, Sarah J Moad, Graeme Fellows, Christopher M Keddie, Daniel J.
Stace, Sarah J
Moad, Graeme
Fellows, Christopher M
Keddie, Daniel J.
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2015-08-24
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Abstract
The ability of a RAFT agent to control the polymerization of a monomer is dictated by the structures of both the monomer and the RAFT agent. In this paper, the polymerization of N-vinylpyrrolidone was examined with a series of cyanomethyl N-aryl-N-pyridyldithiocarbamates [(4-R′Ph)N(py)C(S)SCH2CN] varying in the substituent (R′) at the 4-position on the phenyl ring. The polymerization of N-vinylpyrrolidone was best controlled when R′ was methoxy; one of the least active RAFT agents in the series. The preservation of RAFT agent functionality was demonstrated by chain extension experiments with further N-vinylpyrrolidone. Again best control again was found for the RAFT agent with R′ = MeOPh. The utility of this RAFT agent was also proved with the preparation of poly(N-isopropylacrylamide)-block-poly(N-vinylpyrrolidone).
Citation
Stace, S.J., Moad, G., Fellows, C.M. and Keddie, D.J. (2015) The effect of Z-group modification on the RAFT polymerization of N-vinylpyrrolidone controlled by "switchable" N-pyridyl-functional dithiocarbamates. Polymer Chemistry, 6, pp. 7119-7126.
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Journal article
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en
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This is an accepted manuscript of an article published by Royal Society of Chemistry in the Polymer Chemistry on 24/08/2015, available online: https://doi.org/10.1039/C5PY01021G The accepted version of the publication may differ from the final published version.
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1759-9954
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1759-9962
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The authors gratefully acknowledge the Australian Government for award of an Australian Postgraduate Award to S.J.S., the CSIRO Manufacturing Flagship and the School of Science and Technology at the University of New England for project funding.