1. Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Chao-Yang District, Beijing 100029, China
2. SINOPEC Shanghai Research Institute of Petrochemical Technology, 1658 Pudong North Road, Pudong District, Shanghai 201208, China
3. Changzhou Institute of Advanced Materials, Beijing University of Chemical Technology, Changzhou, Jiangsu 213164, China