Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 25, Issue 21, Pages 1839-1844Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200400315
Keywords
amphiphilic diblock copolymers; nitroxide-mediated polymerization; self-assembly; water-soluble polymers
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Amphiphilic diblock copolymers consisting of a hydrophilic block, poly(acrylic acid), and a hydrophobic block, polystyrene, were synthesized by direct nitroxide-mediated polymerization using the PS block as a macro-initiator for the first time. Several techniques were used to characterize the amphiphilic block copolymers (size exclusion chromatography, NMR spectroscopy). The proposed method can lead to samples with a broad range of composition and molar mass. Preliminary studies of their self-assembly in aqueous medium using fluorescence spectroscopy and small-angle neutron scattering are presented.
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