1. College of Material Engineering Fujian Agriculture and Forestry University Fuzhou Fujian 350108 P. R. China
2. National Forestry and Grassland Administration Key Laboratory of Plant Fiber Functional Materials Fuzhou Fujian 350108 P. R. China
3. Yuzhong (Fujian) New Material Technology Co., Ltd. Quanzhou Fujian 362141 P. R. China
4. Limerick Pulp and Paper Centre, Department of Chemical Engineering University of New Brunswick Fredericton NBE3B 5A3 Canada