1. Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China
2. College of Chemical Engineering, Key Laboratory of Environment-Friendly Composite Materials of the State Ethnic Affairs Commission, Gansu Provincial Biomass Function Composites Engineering Research Center, Northwest Minzu University (Northwest University for Nationalities), Xibei Xincun, Lanzhou 730000, China