1. National Engineering Research Center of Flame Retardant Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China
2. CentraleSupélec, LMOPS, Université de Lorraine, F-57000 Metz, France
3. Poly2 Group, Department of Materials Science and Engineering, School of Industrial, Aerospace and Audiovisual Engineering of Terrassa, Universitat Politècnica de Catalunya (UPC BarcelonaTech), C/de Colom, 11, 08222 Terrassa, Spain