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4. Micellar RAFT/MADIX Polymerization

Author

Barthet, Cécile, primary, Wilson, James, additional, Cadix, Arnaud, additional, Destarac, Mathias, additional, Chassenieux, Christophe, additional, and Harrisson, Simon, additional

Published
2017
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8. Enhanced Solubility of Polyvinyl Esters in scCO 2 by Means of Vinyl Trifluorobutyrate Monomer.

Author

Liu X, Coutelier O, Harrisson S, Tassaing T, Marty JD, and Destarac M

Abstract

The novel monomer, vinyl trifluorobutyrate (VTFBu), when polymerized in a controlled fashion by RAFT/MADIX polymerization with a xanthate transfer agent, yields poly(vinyl ester)s with improved solubility in supercritical carbon dioxide. The thermodynamic parameters controlling the solubility of VTFBu/vinyl acetate statistical copolymers are discussed based on ab initio calculations, glass transition temperatures of the copolymers, and surface tension measurements. The enhanced solubility of this new class of CO 2 -philic polymer combined with its good chemical stability render it attractive for the preparation of next-generation macromolecular surfactants for the formation of water-scCO 2 emulsions.

Published
2015
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