1. State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Renmin Street 5625, 130022 Changchun, P. R. China
2. School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
3. SINOPEC Beijing Research Institute of Chemical Industry, 14 North 3rd Ring East Road, 100000 Beijing, P. R. China
4. V.Lit.Consult, Gozewijnstraat 4, 6191 WV Beek, The Netherlands