1. Bavarian Polymer Institute and Department of Chemistry University of Bayreuth Universitätsstraße 30 95440 Bayreuth Germany
2. Eckart GmbH, ALTANA AG Günthersthal 4 91235 Velden Germany
3. Institute of Chemical Reaction Engineering Friedrich‐Alexander University Erlangen‐Nürnberg Egerlandstraße 3 91058 Erlangen Germany