* Corresponding authors

^a Center for Rubber Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo, Kyoto 606-8585, Japan
E-mail: yuko@kit.ac.jp

^b Faculty of Science, Mahidol University, Ratchathewi, Bangkok 10400, Thailand

^c Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo, Kyoto 606-8585, Japan

^d Faculty of Engineering, King Mongkut's University of Technology North Bangkok, 1518 Pracharat 1 Rd, Wongsawang, Bangsue, Bangkok 10800, Thailand

^e Faculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo, Kyoto 606-8585, Japan