Well-Defined Amphiphilic Block Copolymer Nanoobjects via Nitroxide-Mediated Emulsion Polymerization

Water-soluble macroalkoxyamines are shown to be particularly well-suited initiators for nitroxide-mediated emulsion polymerization. They lead to the synthesis of amphiphilic block copolymers that self-assemble in situ into well-defined nanoobject morphologies, in agreement with the principles of pol...

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Published inACS macro letters Vol. 1; no. 1; pp. 47 - 51
Main Authors Groison, Emilie, Brusseau, Ségolène, D’Agosto, Franck, Magnet, Stéphanie, Inoubli, Rabi, Couvreur, Laurence, Charleux, Bernadette
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 17.01.2012
Washington, D.C : American Chemical Society
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Chemical Sciences
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Summary:Water-soluble macroalkoxyamines are shown to be particularly well-suited initiators for nitroxide-mediated emulsion polymerization. They lead to the synthesis of amphiphilic block copolymers that self-assemble in situ into well-defined nanoobject morphologies, in agreement with the principles of polymerization-induced micellization. Depending on the molar mass of the hydrophobic block, the formed nanoparticles are hairy spherical micelles, nanofibers, or vesicles. The nanofibers are the most intriguing and spectacular structure and strongly affect the physicochemical properties of the aqueous dispersions.
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ISSN:2161-1653
2161-1653
DOI:10.1021/mz200035b