1. Ningbo Research Institute, Zhejiang University Ningbo P.R. China
2. Ningbo Key Laboratory of Specialty Polymers, School of Material Science and Chemical Engineering Ningbo University Ningbo P.R. China
3. Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology College of Chemical and Biological Engineering, Zhejiang University Hangzhou P.R. China
4. State Key Laboratory of Polyolefins and Catalysis, Shanghai Key Laboratory of Catalysis Technology for Polyolefins Shanghai Research Institute of Chemical Industry Co. Ltd Shanghai P.R. China