Investigation into the Initialization Behaviour of RAFT-Mediated Styrene–Maleic Anhydride Copolymerizations

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Contents Vol 59(10)

doi:10.1071/CH06238

Investigation into the Initialization Behaviour of RAFT-Mediated Styrene–Maleic Anhydride Copolymerizations

Eric T. A. van den Dungen ^A, Jacques Rinquest ^A, Nadine O. Pretorius ^A, Jean M. McKenzie ^B, James B. McLeary ^A, Ron D. Sanderson ^A, Bert Klumperman ^A ^C ^D

^A UNESCO Centre for Macromolecules and Materials, Department of Chemistry and Polymer Science, University of Stellenbosch, Matieland 7602, South Africa.
^B Central Analytical Facility, University of Stellenbosch, Matieland 7602, South Africa.
^C Laboratory of Polymer Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands.
^D Corresponding author. Email: l.klumperman@tue.nl





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Australian Journal of Chemistry 59(10) 742–748 http://dx.doi.org/10.1071/CH06238
Submitted: 7 July 2006 Accepted: 14 September 2006 Published online: 30 October 2006

Abstract

The living radical alternating copolymerization of styrene and maleic anhydride mediated by the reversible addition–fragmentation chain transfer (RAFT) polymerization process has been studied at short chain lengths using two different dithiobenzoate RAFT agents. The results indicate specificity of addition of the RAFT-agent leaving groups for either styrene or maleic anhydride. The addition rate of the monomers and the fact that monomers are added individually favour the penultimate unit model of polymer propagation.