1. Polymer Competence Center Leoben GmbH, Roseggerstrasse 12, Leoben 8700, Austria
2. Institute for Polymers and Composites, University of Minho, Campus de Azurém, Guimarães 4800-058, Portugal
3. Department of Polymer Engineering and Science, Montanuniversitaet Leoben, Otto-Gloeckl Strasse 2, Leoben 8700, Austria
4. Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II, Fisciano (SA) 84084, Italy