1. College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao, Shandong Province 266061, China
2. State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Science, Jinan, Shandong Province 250353, China
3. Shandong Huasheng Rubber Co., Ltd., Dongying, Shandong Province 257029, China