1. Materials Science and Engineering Program, Faculty of Science Mahidol University Phuttamonthon Nakhon Pathom Thailand
2. Center for Surface Science and Engineering, Faculty of Science Mahidol University Phuttamonthon Nakhon Pathom Thailand
3. Department of Chemistry, Faculty of Science Mahidol University Bangkok Thailand
4. Rubber Technology Research Center, Faculty of Science Mahidol University Phuttamonthon Nakhon Pathom Thailand
5. Department of Industrial Engineering, Faculty of Engineering Mahidol University Phuttamonthon Nakhon Pathom Thailand