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Unexpected end-groups of poly(acrylic acid) prepared by RAFT polymerization by Marie-France Llauro; Julien Loiseau; Fernande Boisson; Frédéric Delolme; Catherine Ladavière; J. Claverie is a Materials Science article available to read on EtoBox.
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## Abstract Low‐molecular‐weight poly(acrylic acid) (PAA) was synthesized by reversible addition fragmentation chain transfer polymerization with a trithiocarbonate as chain‐transfer agent (CTA). With a combination of NMR spectroscopy and matrix‐assisted laser desorption/ionization time‐of‐flight mass spectrometry, the PAA end‐groups of the polymer were analyzed before and after neutralization by sodium hydroxide. The polymer prior to neutralization is made up of the expected trithiocarbonate chain‐ends and of the H‐terminated chains issued from a reaction of transfer to solvent. After neutralization, the trithiocarbonates are transformed into thiols, disulfides, thiolactones, and additional H‐terminated chains. By quantifying the different end‐groups, it was possible to demonstrate that fragmentation is the rate limiting step in the transfer reaction. © 2004 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 42: 5439–5462, 2004
Who reads Unexpected end-groups of poly(acrylic acid) prepared by RAFT polymerization?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Marie-France Llauro; Julien Loiseau; Fernande Boisson; Frédéric Delolme; Catherine Ladavière; J. Claverie
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0887-624X)
- Published
- 2004
- Language
- EN
- Field
- Materials Science (Physical Sciences)