1. Institute of Polymers Composites and Biomaterials, National Research Council of Italy, Via Campi Flegrei, 34, 80078 Pozzuoli, NA, Italy
2. Department of Chemical, Materials and Industrial Production Engineering, University of Naples Federico II, P.le Tecchio 80, 80125 Naples, Italy
3. Institute of Polymers Composites and Biomaterials, National Research Council of Italy, P. le Enrico Fermi 1, 80055 Portici, NA, Italy