1. Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology), Ministry of Education, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
2. State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
3. Sinochem Petrochemical Distribution Company LTD, Shanghai 201103, PR China