1. Advanced Oleochemical Technology Division; Malaysian Palm Oil Board, No. 6, Persiaran Institusi, Bandar Baru Bangi, Kajang Selangor 43000 Malaysia
2. Department of Chemistry, Faculty of Science; University Putra Malaysia; Serdang Selangor 43400 Malaysia
3. Troy Polymers Inc; 330 E. Maple Road, Suite L, Troy Michigan 48083