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Evaporation induced micellization of poly(2-oxazoline) multiblock copolymers on surfaces
Charles-André Fustin1, Haiying Huang1, Richard Hoogenboom2
1Unité de Chimie des Matériaux Inorganiques et Organiques (CMAT) and Research Center in Micro- and Nanoscopic Materials and Electronic Devices (CeRMiN), Université catholique de Louvain, Place L. Pasteur 1, 1348 Louvain-la-Neuve, Belgium.
Abstract:
The formation of micelles on surfaces by spin-coating dilute solutions of diblock, triblock, and tetrablock copoly(2-oxazoline)s in a non-selective solvent is demonstrated. The micelles are not preexistent in the initial solution but are formed during the evaporation of the solvent by precipitation of the least-soluble block. The morphology and size of the micelles vary according to the fraction of this block but are not dependent on the block order in the copolymer.
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