1. Department of Materials and Production Engineering, University of Naples Federico II, P.le Tecchio 80, 80125, Naples, Italy; Institute of Composite and Biomedical Materials, National Research Council of Italy, P.le Tecchio 80, 80125, Naples, Italy; and Institute of Chemistry and Technology of Polymers, National Research Council of Italy, Via Campi Flegrei, 34, 80078, Pozzuoli, Naples, Italy