1. State Key Laboratory Base of Eco-Chemical Engineering; College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
2. Analyses and testing center, Qingdao University of Science and Technology, Qingdao 266042, China
3. Key Laboratory of Biobased Polymer Materials, Shandong Provincial Education Department; Qingdao University of Science and Technology, Qingdao 266042, China