1. College of Chemistry and Molecular Engineering
2. Key Laboratory of Material Processing and Mold of Ministry of Education
3. Zhengzhou University
4. Zhengzhou 450001
5. P. R. China
6. Center for Advanced Materials Research
7. Zhongyuan University of Technology
8. Zhengzhou 450007
9. National Engineering and Research Center for Adv. Polymer Processing Technology Zhengzhou University