1. Anhui Provincial Key Laboratory of Advanced Catalysis and Energy Materials, Anhui Ultra High Molecular Weight Polyethylene Fiber Engineering Research Centre, School of Chemistry and Chemical Engineering, Anqing Normal University, Anqing 261433, P. R. China
2. State Key Laboratory of Polyolefins and Catalysis, Shanghai Key Laboratory of Catalysis Technology for Polyolefins, Shanghai Research Institute of Chemical Industry Co., Ltd, Shanghai 200062, P. R. China
3. School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, P.R. China