1. Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, College of Bioresource Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi’an 710021, P. R. China
2. School of Materials and Chemical Engineering, Xi’an Technological University, Xi’an 710021, P. R. China
3. Department of Chemical Engineering, University of New Brunswick, Fredericton, New Brunswick E3B 5A3, Canada