1. Faculty of Materials Science and Engineering, Gheorghe Asachi Technical University, 700050 Iasi, Romania
2. Department of Natural and Synthetic Polymers, Faculty of Chemical Engineering and Environmental Protection, “Gheorghe Asachi” Technical University of Iaşi, Str. Prof.dr.doc. D. Mangeron nr. 73, 700050 Iasi, Romania
3. Faculty of Mechanical Engineering, “Gheorghe Asachi” Technical University of Iasi-Romania, Blvd. Dimitrie Mangeron, No. 61–63, 700050 Iasi, Romania