1. University of Maribor, Faculty of Mechanical Engineering, Laboratory for Characterization and Processing of Polymers, Smetanova 17, 2000 Maribor, Slovenia,
2. University of Maribor, Faculty of Mechanical Engineering, Laboratory for Characterization and Processing of Polymers, Smetanova 17, 2000 Maribor, Slovenia
3. University of Graz, Institute of Chemistry, Rheology & Colloid Science, Heinrichstraße 28, 8010 Graz, Austria