1. State Key Laboratory of Polymer Physics and Chemistry
2. Changchun Institute of Applied Chemistry
3. Chinese Academy of Sciences
4. Changchun 130022, P. R. China
5. Department of Polymer
6. School of Chemistry and Chemical Engineering
7. Yantai University
8. Yantai, People's Republic of China
9. Department of Mechanical Engineering
10. University of Akron
11. Akron, USA