1. Department of Chemical, Materials, and Manufacturing Engineering University of Naples Federico II Naples P.le Tecchio 80, 80125 Italy
2. School of Chemical, Biological and Materials Engineering, University of Oklahoma 100E. Boyd Street, Norman Oklahoma 73019 USA
3. Institute for Polymers, Composites and Biomaterials, National Research Council of Italy Pozzuoli Naples via Campi Flegrei 34, 80078 Italy