1. Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu Sichuan 610064 China
2. College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology Chengdu Sichuan 610059 China
3. National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University Chengdu Sichuan 610065 China