1. “Petru Poni” Institute of Macromolecular Chemistry, 41A, Grigore Ghica Voda Alley, 700487, Iasi, Romania, and Laboratory for Characterization and Processing of Polymers, Faculty of Mechanical Engineering, Institute for Engineering Materials and Design, University of Maribor, Smetanova ulica 17, SI-2000 Maribor, Slovenia