1. Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science; Universiti Tunku Abdul Rahman; Bandar Sungai Long, Kajang Selangor 43000 Malaysia
2. Department of Chemical Engineering, Faculty of Engineering and Built Environment; National University of Malaysia; UKM Bangi Selangor 43600 Malaysia
3. Department of Polymer Engineering, Faculty of Chemical Engineering; Universiti Teknologi Malaysia; UTM Skudai Johor 81310 Malaysia