1. School of Chemical Sciences and Food Technology; Faculty of Science and Technology, Universiti Kebangsaan Malaysia; 43600 Bangi Selangor Malaysia
2. Faculty of Applied Sciences; Universiti Teknologi MARA; 40450 Shah Alam Selangor Malaysia
3. Polymer Research Centre (PORCE); Faculty of Science and Technology, Universiti Kebangsaan Malaysia; 43600 Bangi Selangor Malaysia