1. State Key Laboratory of Fine Chemicals, Department of Polymer Science and Engineering; School of Chemical Engineering, Dalian University of Technology; Dalian 116024 China
2. Department of Polymer Chemistry; Graduate School of Engineering, Kyoto University, Katsura Campus; Nishikyo-ku., Kyoto 615-8510 Japan
3. Fukui University of Technology; 3-6-1 Gakuen Fukui 910-8505 Japan
4. Research Center for Environmentally Friendly Materials Engineering; Muroran Institute of Technology; 27-1 Mizumoto-cho Muroran 050-8585 Japan