1. Department of Resin and Additives; Institute for Color Science and Technology; P.O. Box 16765-654 Tehran Iran
2. Petrochemical Research and Technology Company (NPC-rt); National Petrochemical Company (NPC); P.O. Box 14358-84711 Tehran Iran
3. Department of Chemical Engineering; Institute for Polymer Research (IPR); University of Waterloo; Waterloo Ontario N2L 3G1 Canada