1. Collage of Science and Humanities-Jubail, Imam Abdulrahman Bin Faisal Univeristy , Jubail , Saudi Arabia
2. Chemistry Department, Faculty of Science, New Valley University , El-Kharga , 72511 , Egypt
3. Polymeric Materials Research Department, City of Scientific Research and Technological Applications (SRTA-city) , New Borg El-Arab city , Alexandria 21934 , Egypt
4. Faculty of Science, University of Jeddah , Jeddah , Saudi Arabia
5. Radiation Research of Polymer Department, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority , P.O. Box. 29, Nasr City , Cairo , Egypt
6. Department of Chemistry, Faculty of Science (Girls), Al-Azhar University , P.O. Box: 11754, Yousef Abbas Str., Nasr City , Cairo , Egypt