1. Department of Materials Science, Technical University of Darmstadt, Darmstadt 64287, Germany
2. Department of Polymer Chemistry, Atomic Energy Authority, Cairo 11787, Egypt
3. Ernst-Berl-Institut für Technische und Makromolekulare Chemie, Department of Chemistry, Technical University of Darmstadt, Darmstadt 64287, Germany
4. MagnoTherm Solutions GmbH, Pfungstädter Straße 102, Eberstadt, Darmstadt 64297, Germany