1. Tianjin Key Laboratory of Chemical Process Safety Hebei Key Laboratory of Functional Polymers School of Chemical Engineering and Technology Hebei University of Technology XiPing Dao 5340, Beichen District Tianjin 300130 P. R. China
2. GRIREM Advanced Materials Co., Ltd. No.2, xinjiekouwai St. Beijing 10008 China
3. School of Materials Science and Engineering Hebei University of Engineering Handan 056038 Hebei PR China