1. Faculty of Chemical and Natural Resources Engineering Department of Polymer Engineering, Universiti Teknologi Malaysia 81310 UTM Skudai, Johor Bahru, Johor, Malaysia,
2. Faculty of Chemical and Natural Resources Engineering Department of Polymer Engineering, Universiti Teknologi Malaysia 81310 UTM Skudai, Johor Bahru, Johor, Malaysia
3. Polyethylene Malaysia Sdn. Bhd. Lot 3834, Kawasan Bukit Tengah, KM 105, Jalan Kuantan-Kuala Terengganu, 24300 Kerteh, Kemamam, Terengganu, Malaysia