Synthesis of defined polymers by reversible addition-fragmentation chain transfer: The RAFT process

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

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253 Citations (Scopus)


Free radical polymerization in the presence of thiocarbonylthio compounds of general structure Z-C(=S)S-R provides living polymers of predetermined molecular weight and narrow molecular weight distribution by a process of reversible addition-fragmentation chain transfer. A rationale for selecting the most appropriate thiocarbonylthio compounds for a particular monomer type is presented with reference to the polymerization of methacrylates, styrenes, acrylates, acrylamides and vinyl acetate. The efficacy of the process is further demonstrated by the synthesis of narrow polydispersity polystyrene-block-poly(methyl acrylate)-block-polystyrene and 4-armed star polystyrene.

Original languageEnglish
Pages (from-to)278-296
Number of pages19
JournalACS Symposium Series
Publication statusPublished - 1 Dec 2000
Externally publishedYes

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