[1] Univ Teknol Malaysia, Adv Mat Res Grp, Ctr Hydrogen Energy, Inst Future Energy, Kuala Lumpur 54100, Malaysia
[2] Univ Teknol Malaysia, Dept Chem Engn, Johor Baharu 81310, Malaysia
[3] Case Western Reserve Univ, Dept Macromol Sci & Engn, Cleveland, OH 44106 USA
[4] Univ Teknol Petronas, Chem Engn Dept, Seri Iskandar 32610, Perak, Malaysia
[5] Agensi Nuklear Malaysia, Radiat Proc Technol Div, Kajang, Malaysia
[6] Iran Polymer & Petrochem Inst, POB 14965-115, Tehran, Iran