1. Institute for Chemical Technology and Polymer Chemistry; Karlsruhe Institute of Technology (KIT); Engesserstrasse 18 76128 Karlsruhe Germany
2. Pro NMR IBG-4 and MVM; Karlsruhe Institute of Technology (KIT); Adenauerring 20b 76131 Karlsruhe Germany
3. Institute of Thermal Process Engineering; Karlsruhe Institute of Technology (KIT); Kaiserstrasse 12 76131 Karlsruhe Germany