1. Department of Polymer Engineering and Color Technology, Amirkabir University of Technology, P.O. Box:15875-4413, 424 Hafez Avenue, Tehran, Iran
2. Department of Polymerization Engineering Iran Polymer and Petrochemical Institute, P.O. Box:14965/115, Tehran, Iran
3. Polymer Engineering Group, Chemical Engineering Department, Faculty of Engineering, Tarbiat Modares University, Jalal e al Hhmad Highway. P.O. Box: 14115-143, Tehran, Iran
4. School of Chemistry, University College of Science, University of Tehran, P.O Box: 14155-6455 Tehran, Iran