Institution: | 1. Chemistry Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egyptradwaraft@yahoo.com;3. Polymer Research Lab, Chemistry Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt;4. Materials Science Lab, Chemistry Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt |