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Christoph Tonhauser, Ali A. Golriz, Christian Moers, Rebecca Klein, Hans-Jürgen Butt and Holger Frey Stimuli-Responsive Y-Shaped Polymer Brushes Based on Junction-Point-Reactive Block Copolymers Advanced Materials 24

Version of Record online: 17 AUG 2012 | DOI: 10.1002/adma.201202105

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A general concept for the preparation of junction-point-reactive, amphiphilic Y-shaped block copolymer brushes for ultrathin polymer films is demonstrated, combining anionic polymerization techniques. The polymer films (1–3 nm) exhibit reversible, stimuli-responsive wetting behavior upon application of different external stimuli (temperature and solvent). Contact angle measurements confirm the reversible hydrophobization with shifts up to 23°.

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