1. National Engineering Research Center of Engineering Plastics Technical Institute of Physics and Chemistry The Chinese Academy of Sciences Beijing 100190 P. R. China
2. University of Chinese Academy of Sciences Beijing 100049 P. R. China
3. ISOE – Institute for Social‐Ecological Research Hamburger Allee 45 Frankfurt 60486 Germany
4. Max‐Planck‐Institut für Polymerforschung Ackermannweg 10 Mainz 55128 Germany
5. Sustainable Polymer Chemistry Group MESA+ Institute for Nanotechnology, Faculty of Science and Technology, Universiteit Twente PO Box 217 Enschede 7500 AE The Netherlands