1. Department of Rubber Technology and Polymer Science, Faculty of Science and Technology, Prince of Songkla University, Pattani Campus, 94000, Pattani, Thailand
2. School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, 14300, Nibong Tebal, Penang, Malaysia
3. School of Materials Engineering, Universiti Malaysia Perlis, 02600, Jejawi, Perlis, Malaysia
4. Department of Chemical Engineering, Universitas Sumatera Utara, Jalan Almamater, Kampus USU Medan, 20155, Sumatera Utara, Indonesia