1. Department of Resin and Additives; Institute for Color Science and Technology; P.O. Box 16765-654 Tehran Iran
2. National Iranian South Oil Company (NISOC), Aghajari Oil and Gas Production Company (AOGPC); Omidiyeh Iran
3. Iran Polymer and Petrochemical Institute; P.O. Box 14965-115 Tehran Iran
4. Polymer Engineering Department; Engineering Faculty, Kashan Branch; Islamic Azad University; Kashan Iran