Living radical polymerization with reversible addition-fragmentation chain transfer (RAFT polymerization) using dithiocarbamates as chain transfer agents

Roshan T.A. Mayadunne, Ezio Rizzardo, John Chiefari, Yen Kwong Chong, Graeme Moad, San H. Thang

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Abstract

Living radical polymerization with reversible addition-fragmentation chain transfer (RAFT polymerization) can be achieved with the use of dithiocarbamate derivatives that have the nonbonded electron pair of the nitrogen included as part of an aromatic system. These compounds have been shown to be highly effective in RAFT polymerization of styrène and (meth)acrylate esters to produce polymers of predetermined molecular weight and narrow polydispersity (usually <1.2). By contrast, simple NJfdialkyl dithiocarbamates (those compounds previously described as "photoiniferters") are ineffective as RAFT agents. The reasons for the different behavior are discussed.

Original languageEnglish
Pages (from-to)6977-6980
Number of pages4
JournalMacromolecules
Volume32
Issue number21
DOIs
Publication statusPublished - 19 Oct 1999

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