1. Department
of Polymer Chemistry, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
2. Graduate
School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo 671-2280, Japan
3. Osaka Organic Chemical
Industries Ltd., 7-20 Azuchi-Machi 1-Chome, Chuo-Ku, Osaka 541-0052, Japan