1. ETH‐Zürich, Department of Materials, Institute of Polymers, ETH‐Zentrum, Sonneggstr. 3, ML J 19, 8092 Zürich, Switzerland
2. Institute of Computational Modeling, Krasnoyarsk 660036, Russia
3. IHES, 35 Route de Chartres, 91440 Bures‐sur‐Yvette, France