1. College of Materials Science and Technology, Beijing Forestry University; Beijing 100083 People's Republics of China
2. Yunnan key laboratory of wood adhesives and glue products; Southwest Forestry University; Kunming 650224 People's Republics of China
3. LERMAB, University of Lorraine 1; 27 Rue Philippe Seguin F-88000 Epinal France
4. Department of Physics; King Abdulaziz University; Jeddah Saudi Arabia