Atom transfer radical polymerization of MMA with a macromolecular ligand in a fluorinated solvent and in supercritical carbon dioxide |
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Authors: | Bruno Grignard Christophe Detrembleur |
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Affiliation: | Center for Education and Research on Macromolecules (CERM), University of Liège, Sart-Tilman, B6a, B-4000 Liège, Belgium |
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Abstract: | Macromolecular fluorinated ligands were prepared according to a three-step strategy that consists of the random copolymerization of heptadecafluorodecyl acrylate and 2-hydroxyethylacrylate, followed by the esterification of the pendant hydroxyl groups with acryloyl chloride and the Michael-type addition of tetraethyldiethylenetriamine onto the acrylic double bonds of the polymeric chains. These fluorinated macroligands were successfully used in the atom transfer radical polymerization of MMA catalyzed by a copper salt in a fluorinated solvent. The polymerization control was analyzed in relation to the copper salt, the initiator and the molecular weight and composition of the macroligand before being extended to the heterogeneous ATRP of MMA in scCO2. |
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Keywords: | Atom transfer radical polymerization (ATRP) Controlled radical polymerization Fluoropolymers Fluorinated ligand Macromolecular ligand Supercritical carbon dioxide |
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