1. State Key Laboratory of Polymer Physics and Chemistry
2. Changchun Institute of Applied Chemistry
3. Chinese Academy of Sciences
4. Changchun 130022
5. P. R. China
6. Department of Organic Chemistry
7. College of Chemistry
8. Jilin University
9. Changchun 130023
10. Key Laboratory of Polymer Ecomaterials
11. Changchun
12. China