1. ″Gheorghe Asachi″ Technical University, Faculty of Chemical Engineering and Environmental Protection, Department of Natural and Synthetic Polymers, 71 Bd. Mangeron, 700050 Iaşi, Romania
2. ″Petru Poni″ Institute of Macromolecular Chemistry, 41-A Grigore Ghica Vodă Alley, 700487 Iaşi, Romania