1. Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Changzhou University, Changzhou, Jiangsu, P. R. China
2. Changzhou University Huaide College, Jingjiang, P. R. China
3. National Experimental Demonstration Center for Materials Science and Engineering (Changzhou University), Changzhou, P. R. China
4. Department of Materials Science and Engineering, College of New Energy and Materials, China University of Petroleum, Beijing, P. R. China