1. Radiation Research of Polymer Chemistry Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), P.O.
Box 8029, Cairo 4441501, Egypt
2. Faculty of Engineering, Ain Shams University, Cairo 11517, Egypt
3. Chemistry Department, Faculty of Science, El-Mansoura University, El-Mansoura 35516, Egypt
4. Department of Chemistry Faculty of Science, Al-Azher University, P.O. Box 11754, Nasr City, Cairo 387130, Egypt
5. Polymeric Materials Research Department, City of Scientific Research and Technological Applications (SRTA-City), Borg El-Arab City, Alexandria 21934, Egypt
6. Department of Chemistry, Faculty of Science, Ain Shams University, Cairo 11517, Egypt