1. School of Safety Engineering, China University of Mining and Technology, Xuzhou 221116, China
2. School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, China
3. Jiangsu Engineering Research Center of Dust Control and Occupational Protection, Xuzhou 221008, China
4. Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Stockholm 10044, Sweden