Micellar morphology of a semifluorinated diblock copolymer |
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Authors: | Maarten J. Krupers Sergei S. Sheiko Martin Möller |
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Affiliation: | Universit?t Ulm, Abteilung Organische Chemie?III/Makromolekulare Chemie, D-89069 Ulm, Germany, DE
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Abstract: | The diblock copolymer of methyl methacrylate and 1H,1H,2H,2H-perfluorooctyl methacrylate was shown to form micelles which could be deposited and imaged on a flat substrate upon casting from a solvent which is selective for the PMMA block, e.g. toluene and THF. The micelle formation was significantly affected by a small content of PMMA homopolymer. While the pure blockcopolymer formed cylindrical micelles, the presence of the PMMA shifted the associated equilibrium to the side of spherical aggregates. Received: 31 October 1997/Revised version: 15 December 1997/Accepted: 18 December 1997 |
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