1. Max Planck Institute for Polymer Research Ackermannweg 10 D‐50128 Mainz Germany
2. Department of Chemistry, Macromolecular Chemistry Group (BUWmakro), and Wuppertal Institute for Smart Materials & Systems (CM@S) University of Wuppertal Gauss‐Str. 20 D‐42119 Wuppertal Germany