1. College of Chemistry and Chemical Engineering
2. Qingdao University
3. 266071 Qingdao
4. P. R. China
5. State Key Laboratory of Chemical Resource Engineering and State Key Laboratory of Advanced Functional Polymer Composites Beijing University of Chemical Technology
6. Beijing 100029
7. Faculty of Production Engineering
8. University of Bremen
9. 28359 Bremen
10. Germany
11. College of Applied Technology
12. 266100 Qingdao