1. Institute for Technical and Macromolecular ChemistryUniversity of Hamburg, Bundesstrasse 45 D‐20146 Hamburg Germany
2. Institute for Chemical Technology and Polymer ChemistryKarlsruhe Institute of Technology (KIT) Engesser Strasse. 18, D‐76131 Karlsruhe Germany
3. Soft Matter Synthesis LaboratoryInstitute for Biological Interfaces III, Karlsruhe Institute of Technology (KIT), Herrmann‐von‐Helmholtz‐Platz 1 D‐76344 Eggenstein‐Leopoldshafen Germany