1. Faculty of Textiles, Leather and Industrial Management, University “Gheorghe Asachi” of Iasi, Str. Prof. Dr. Doc. Dimitrie Mageron,
nr. 28, Iasi, 700050, Romania
2. National Research Council, Institute for Macromolecular Studies, Biella (BI), 13900, Italy
3. DISAT−Department of Applied Science
and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy