1. The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering Jiangnan University Wuxi 214122 P. R. China
2. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and Engineering Innovation Center for Textile Science and Technology Donghua University Shanghai 201620 P. R. China
3. Department of Chemistry KU Leuven Celestijnenlaan 200F Leuven 3001 Belgium
4. Department of Molecular Spectroscopy Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
5. Christopher Ingold Laboratory Department of Chemistry University College London 20 Gordon Street London WC1H 0AJ UK
6. School of Metallurgical and Ecological Engineering University of Science and Technology Beijing Beijing 100083 China