Affiliation: | 1. University of Ulm, Organic & Macromolecular Chemistry ‐ OC3, Ulm, Germany;2. Chemnitz University of Technology, Physical Chemistry, Stra?e der Nationen 62, 09111 Chemnitz, Germany, http://www.tu‐chemnitz.de/physchem/ phone/fax: +49 371 531–21240/…? 21249;3. University of Twente, Membrane Science and Technology, Mesa +, Enschede, The Netherlands;4. BASF SE, Polymer Physics, Ludwigshafen, Germany |