1. Department of Chemistry; Zhejiang Sci-Tech University; Hangzhou 310018 P. R. China
2. Key Laboratory of Advanced Textiles Materials and Manufacturing Technology of the Ministry of Education; Zhejiang Sci-Tech University; Hangzhou 310018 P. R. China
3. Engineering Research Center for Eco-dyeing and Finishing of Textiles of the Ministry of Education; Zhejiang Sci-Tech University; Hangzhou 310018 P. R. China