1. Dipartimento Ingegneria Chimica Gestionale Informatica Meccanica
2. Università di Palermo
3. 90128 Palermo
4. Italy
5. Center for Education and Research on Macromolecules (CERM)
6. University of Liege
7. B-4000 Liege
8. Belgium
9. Univ. Artois
10. CNRS, Centrale Lille
11. ENSCL
12. Univ. Lille
13. Unité de Catalyse et de Chimie Du Solide (UCCS)