1. School of Chemical Engineering, Changchun University of Technology, Changchun 130012, China
2. Engineering Research Center of Synthetic Resin and Special Fiber, Ministry of Education, Changchun University of Technology, Changchun 130012, China
3. Institute of Functional Textiles and Advanced Materials, College of Textiles and Clothing, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), Qingdao University, Ningxia Road, 308, Qingdao 266071, China
4. Francisco de Vitoria University (UFV), Ctra. M-515, Pozuelo-Majadahonda, Km. 1800 Pozuelo de Alarcon, 28223 Madrid, Spain