1. Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing 210042, China
2. Key Lab. of Biomass Energy and Material, Nanjing 210042, Jiangsu Province, China
3. Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
4. Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, School of Materials Science and Engineering, Peking University, Beijing 100871, China