1. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials; College of Materials Science and Engineering; Donghua University; Shanghai 201620 China
2. School of Materials Science and Engineering; Shanghai University; Shanghai 200444 China
3. College of Chemistry; Chemical Engineering and Biotechnology; Donghua University; Shanghai 201620 China
4. 6120 Fillmore Place, Apt 2 West New York NJ 07093 USA