1. College of Environmental and Chemical Engineering
2. Yanshan University
3. Qinhuangdao 066004
4. P. R. China
5. A State Key Laboratory of Polymer Physics and Chemistry
6. School of Chemistry and Life Science
7. Advanced Institute of Materials Science
8. Changchun University of Technology
9. Changchun 130012
10. Changchun Institute of Applied Chemistry
11. Chinese Academy of Sciences
12. Changchun 130022