1. School of Printing and Packaging Wuhan University Wuhan 430079 China
2. College of Chemistry and Molecular Sciences Wuhan University Wuhan 430079 China
3. State Key Laboratory of Pulb and Paper Engineering Guangzhou 510640 China
4. College of Engineering Qufu Normal University Rizhao 276000 China
5. Department of Printing and Packaging Nanjing Forestry University Nanjing 210037 China