1. College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, PR China
2. College of Materials Science and Engineering, State Key Laboratory of Bio-Fiber and Eco-textiles, Collaborative Innovation Center for Marine Biobased Fibers and Ecological Textiles, Institute of Marine Biobased Materials, Qingdao University, Qingdao 266071, PR China