1. Graduate School of Materials Science; Nara Institute of Science and Technology; Ikoma; Nara; 630-0192; Japan
2. Department of Chemical and Biological Engineering; Ube National College of Technology; Ube; Yamaguchi; 755-8555; Japan
3. Department of Polymer Chemistry; Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura; Nishikyo-Ku; Kyoto; 615-8510; Japan