Copper bromide complexed by fluorinated macroligands: towards microspheres by ATRP of vinyl monomers in scCO2 |
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Authors: | Grignard Bruno Jérôme Christine Calberg Cedric Jérôme Robert Wang Wenxing Howdle Steven M Detrembleur Christophe |
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Institution: | Center for Education and Research on Macromolecules, University of Liège, Sart-Tilman, B6a, B-4000 Liège, Belgium. |
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Abstract: | We report the successful synthesis of poly(methyl methacrylate) (PMMA) by atom transfer radical polymerization using a catalyst ligated to a polymeric ligand having a dual role, i.e., the complexation of the copper salt and the stabilization of the growing PMMA particles; at the end of the polymerization, the catalyst is removed by supercritical fluid extraction leading to PMMA microspheres with low residual catalyst content. |
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