1. Department of Polymer
Science and Engineering, State Key Laboratory of Coordination Chemistry,
School of Chemistry and Chemical Engineering, Nanjing University, 210093 Nanjing, China
2. Institute of Polymer
Materials, School of Materials Science and Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
3. Department of Polymer
Science and Engineering, Faculty of Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan