1. Institute of Polymer
Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
2. Evonik Industries AG, Paul-Baumann-Strasse 1, D-45764 Marl, Germany
3. Institute of Textile
Chemistry and Chemical Fibers, Körschtalstrasse 26, D-73770 Denkendorf, Germany
4. Institut
für Kunststofftechnik, University of Stuttgart, Böblingerstrasse
70, D-70199 Stuttgart, Germany