1. State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu, Sichuan 610065, P. R. China
2. State Key Lab of Fluorinated Functional Membrane Materials, Dongyue Polymer Material Company of Dongyue Federation, Zibo, Shandong 256401, P. R. China