1. Department of Chemistry, College of Sciences Tianjin University of Science &Technology Tianjin 300457 People's Republic of China
2. State Key Laboratory of Biobased Fiber Manufacturing Technology Tianjin University of Science and Technology Tianjin 300457 P.R. China
3. College of Marine and Environmental Sciences Tianjin University of Science and Technology Tianjin 300457 People's Republic of China