1. Faculty of Engineering Department of Materials Science Institute of Polymer Materials Friedrich-Alexander University Erlangen-Nürnberg (FAU) Martensstraße 7 91058 Erlangen Germany
2. Key Lab Advanced Fiber Technology Bavarian Polymer Institute Dr.-Mack-Straße 77 90762 Fürth Germany
3. Friedrich-Alexander-Universitat Erlangen-Nurnberg