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Surfactant-Free RAFT Emulsion Polymerization Using Poly(N,N-dimethylacrylamide) Trithiocarbonate Macromolecular Chain Transfer Agents

Rieger, Jutta, Zhang, Wenjing, Stoffelbach, François, Charleux, Bernadette·2010·Macromolecules

Abstract

Water-soluble poly( N,N -dimethylacrylamide)s (PDMAAm) with a reactive trithiocarbonate group exhibiting different structures were used as macromolecular RAFT (reversible addition−fragmentation chain transfer) agents in the surfactant-free emulsion polymerization of n- butyl acrylate and styrene, under ab initio, batch conditions. Independently of the structure of the RAFT group, the polymerizations were fast and controlled with molar masses that matched well the theoretical values and rather low polydispersity indexes. Monomer conversions close to 100% were reached and the polymerizations behaved as controlled systems, even when solids contents up to 40% were targeted. The system thus led to poly( N, N -dimethylacrylamide)- b -poly( n- butyl acrylate) and poly( N, N -dimethylacrylamide)- b -polystyrene amphiphilic diblock copolymers formed in situ and self-assembled upon chain extension. The stability of the aqueous dispersions, measured by the amount of coagulum formed, improved with increasing length of the stabilizing hydrophilic PDMAAm segments.

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Metadata

Authors
Rieger, J., Zhang, W., Stoffelbach, F., & Charleux, B.
Venue
Macromolecules
Published
2010-07-12
Volume
43
Issue
15
Pages
6302-6310
ISSN
  • 0024-9297 (ISSN-L)
  • 1520-5835
OpenAlex
W2029529766
Cited by
162
References
1
FWCI
6.95
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Surfactant-Free RAFT Emulsion Polymerization Using Poly(N,N-dimethylacrylamide) Trithiocarbonate Macromolecular Chain Transfer Agents. https://app.cochat.ai/papers/10.1021/ma1009269
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Rieger, J., Zhang, W., Stoffelbach, F., & Charleux, B. (2010). Surfactant-Free RAFT Emulsion Polymerization Using Poly(N,N-dimethylacrylamide) Trithiocarbonate Macromolecular Chain Transfer Agents. Macromolecules. https://doi.org/10.1021/ma1009269

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