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