1. Department of Rubber Technology and Polymer Science; Faculty of Science and Technology, Prince of Songkla University; Pattani Campus Pattani 94001 Thailand
2. Research and Development Center, Innovation Group (Thailand) Company Limited; Bangkok 10240 Thailand
3. Faculty of Engineering and Computer Science; University of Applied Sciences Osnabrück; Osnabrück 49076 Germany
4. Faculty of Science and Industrial Technology; Prince of Songkla University; Surat Thani Campus Surat Thani 84000 Thailand