1. Key Laboratory of Pulp &Paper Science and Technology, Qilu University of Technology, Jinan, Shandong 250353, China
2. CAS Key Lab of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Songling Road 189, Qingdao 266101, P. R. China
3. Liaoning Key Laboratory of Pulp and Papermaking Engineering, Dalian Polytechnic University, Dalian, Liaoning 116034, China