1. Key Laboratory of Carbon Fiber and Functional Polymers; Ministry of Education; School of Material Science and Technology, Beijing University of Chemical Technology; Beijing 100029 People's Republic of China
2. Beijing Research Institute of Chemical Industry; SINOPEC; Polymer Research & Development Center; Beijing 100013 People's Republic of China
3. Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials; Beijing University of Chemical Technology; Beijing 100013 People's Republic of China