1. Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of EducationBeijing University of Chemical Technology Beijing P. R. China
2. Changzhou Institute of Technology Changzhou P. R. China
3. Shenyang Aircraft Design and Research Institute Shenyang P. R. China
4. State Key Laboratory of Organic–Inorganic CompositesBeijing University of Chemical Technology Beijing P. R. China