1. Department of Polymerization Engineering
2. Iran Polymer and Petrochemical Institute
3. Tehran, Iran
4. Institut de Química Computacional i Catàlisi and Departament de Química
5. Universitat de Girona
6. 17071 Girona, Spain
7. Department of Chemistry and Biology
8. University of Salerno
9. Fisciano I-84084, Italy
10. Department of Polymer and Petrochemicals
11. Standard Research Institute