1. Polymeric Materials Research Group (PMRG), Department of Materials Science and Engineering, Sharif University of Technology, Azadi Ave, P. O.
Box 11365-9466, Tehran 14588, Iran
2. Département de chimie, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal, Québec H3C 3J7, Canada