1. School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, P. R. China
2. Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, Hunan University of Science and Technology, Xiangtan, P. R. China
3. Key Laboratory of Theoretical Organic Chemistry and Functional Molecular, Ministry of Education, Hunan University of Science and Technology, Xiangtan, P. R. China
4. Department of Orthopedics, Second Xiangya Hospital, Central South University, Changsha, P. R. China
5. Daqing Petrochemical Research Institute of CNPC, Daqing, P. R. China