1. National Engineering Research Center for Advanced Polymer Processing Technology; Zhengzhou University; Zhengzhou 450002 China
2. College of Materials Science and Engineering; Zhengzhou University; Zhengzhou 450001 China
3. Institute of Polymer Materials; Friedrich-Alexander University Erlangen-Nuremberg; Martensstr. 7 91058 Erlangen Germany
4. Advanced Research Center for Polymer Processing Engineering of Guangdong Province; Guangdong Industry Polytechnic; Guangzhou 510300 China