1. Department of Polymer Processing; Iran Polymer and Petrochemical Institute; P.O. Box 14965-115, Tehran Iran
2. Equipe d'Accueil 4423, Laboratoire Matériaux Optiques, Photonique et Systèmes; Université de Lorraine; Metz, F-57070 France
3. Institut Universitaire de Technologie de Moselle-Est; Université de Lorraine; Forbach, 57070 France
4. Department of Polymer Technology, Faculty of Chemistry; Gdansk University of Technology; Gdansk Poland
5. Department of Resin and Additives; Institute for Color Science and Technology; P.O. Box 16765-654, Tehran Iran