1. Key Laboratory of Resources Chemistry of Nonferrous Metals Ministry of Education
2. College of Chemistry and Chemical Engineering
3. Central South University
4. Changsha 410083, China
5. State Key Laboratory of Advanced Technology For Materials Synthesis and Processing
6. Wuhan University of Technology
7. Wuhan 430070, China
8. Department of Polymer Science & Materials
9. State Key Laboratory of Fine Chemicals
10. Dalian University of Technology
11. Dalian 116012, China