1. Department of Chemical and Process Engineering, Universiti Kebangsaan Malaysia, 43000 Selangor, Bangi, Malaysia
2. Department of Material Science, Universiti Kebangsaan Malaysia, 43000 Selangor, Bangi, Malaysia
3. Department of Chemical Engineering, McGill University, M. H. Wong Building, 3610 University Street, Montreal, QC, Canada H3A 2B2
4. Department of Polymer Engineering, University of Akron, Akron, OH 44325-0301, USA
5. Crop Improvement and Protection Unit, Rubber Research Institute Experimental Station, 47000 Sungai Selangor, Buloh, Malaysia