1. Department of Chemistry, College of Science, AL-Nahrain University, Baghdad, Iraq
2. Polymer Research Unit, College of Science, Al-Mustansiryah UniversityBaghdadIraq
3. Chemical & Petrochemical Research Centre, Commission of Research and Industrial Development, Ministry of Industry and MineralsBaghdadIraq
4. School of Chemical Sciences & Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia BangiSelangor43600Malaysia