1. Niederrhein University of Applied Sciences; Department of Chemistry and Institute of Coatings and Surface Chemistry; Adlerstrasse 32 D-47798 Krefeld Germany
2. Fraunhofer Institute for Applied Polymer Research; Geiselbergstr. 69 D-14476 Potsdam-Golm Germany
3. University of Potsdam; Institute of Chemistry; Karl-Liebknecht-Str. 24-25 D-14476 Potsdam-Golm Germany