1. Key Laboratory of Carbon Fiber and Functional Polymers Ministry of Education, Beijing University of Chemical Technology Beijing China
2. Engineering Laboratory of Non‐halogen Flame Retardants for Polymers Beijing Technology and Business University Beijing China
3. Hunan Engineering Technology Research Center for Comprehensive Development and Utilization of Biomass Resources, College of Chemistry and Bioengineering Hunan University of Science and Engineering Yongzhou China