1. Department of Polymer Science and Engineering, Jiaxing University, Jiaxing 314001, P. R. China
2. Department of Chemical and Textile Engineering, Jiaxing University Nanhu College, Jiaxing 314001, P. R. China
3. Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials, Beijing University of Chemical Technology, Beijing 100029, P. R. China
4. Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States