1. National Engineering Laboratory for Clean Technology of Leather Manufacture; Sichuan University; Chengdu 610065 Sichuan China
2. Key Laboratory of Leather Chemistry and Engineering of Ministry of Education; Sichuan University; Chengdu 610065 Sichuan China
3. College of Chemistry & Environmental Protection Engineering; Southwest University for Nationalities; Chengdu 610041 Sichuan China
4. Fine Chemistry and Engineering Department; Institut National des Sciences Appliquees de Rouen; 76801 Saint Etienne du Rouvray France
5. Key Laboratory of Fine Chemicals and Surfactants in Sichuan Provincial Universities; Sichuan University of Science & Engineering; Zigong 643000 Sichuan China