1. Department of Macromolecular Chemistry, Technische Universität Dresden, D-01062 Dresden, Germany
2. DWI RWTH Aachen e.V., Institut of Technical and Macromolekular Chemistry, RWTH Aachen University, Pauwelsstr. 8, D-52056 Aachen, Germany
3. Institute of Physical Chemistry, RWTH Aachen University, Landoltweg 2, D-52056 Aachen, Germany