Anionic multiblock core cross-linked star copolymers: Via RAFT polymerization

Caroline Bray, Raoul Peltier, Hyungsoo Kim, Antonio Mastrangelo, Sébastien Perrier

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Poly(2-acrylamido-2-methylpropane sulfonic acid) is a polyelectrolyte currently used in numerous industrial applications. Herein, we report the use of reversible addition fragmentation chain transfer (RAFT) polymerization to prepare a range of well-defined homopolymers and block copolymers of 2-acrylamido-2-methylpropane sulfonic acid (AMPS®) and either N-hydroxyethyl acrylamide (HEAm) or 4-acryloylmorpholine (NAM) as a comonomer. We also describe the one-pot synthesis of multiblock core cross-linked star copolymers of AMPS® and HEAm with low dispersities (<1.3). The influence of several parameters such as the cross-linker type, cross-linker to chain transfer agent (CTA) ratio, arm length and composition on the polymerization efficiency are investigated.

Original languageEnglish
Pages (from-to)5513-5524
Number of pages12
JournalPolymer Chemistry
Issue number36
Publication statusPublished - 28 Sep 2017

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