Logo JG-Universität MainzProf. Dr. Axel Müller


156. Böker, A.; Knoll, A.; Elbs, H.; Abetz, V.; Müller, A.H.E.; Krausch, G.: Large Scale Domain Alignment of a Block Copolymer from Solution using Electric Fields, Macromolecules 35, 1319 (2002) -- DOI: doi:10.1021/ma0108113
We have aligned the microdomains of a polystyrene-b-poly(2-hydroxyethyl methacrylate)-b-poly(methyl methacrylate) (PS-b-PHEMA-b-PMMA) triblock copolymer during preparation from solution by virtue of an external electric dc field (1.8 kV/mm). Bulk samples cast in the presence of an electric field exhibit lamellar microdomains highly oriented parallel to the electric field vector, as shown by small-angle X-ray scattering and transmission electron microscopy.

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