1. School of Civil Engineering and Architecture, Anhui University of Technology, Ma’anshan, P.R. China
2. School of Mathematics and Physics, Anhui University of Technology, Ma’anshan, P.R. China
3. State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, P.R. China
4. Department of Polymer Science and Engineering, Jiaxing University, Jiaxing, P.R. China