1. a The Slovak University of Technology, Faculty of Chemical and Food Technology, Institute of Polymer Materials, Radlinského 9, 812 37 Bratislava, Slovakia;, Email: viera.khunova@stuba.sk
2. b Institute of Macromolecular Chemistry, Academy of Science of the Czech Republic, Heyrovskeho nam. 2, 16206 Prague, Czech Republic
3. c Centre for Materials Science Research, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK
4. d The Slovak University of Technology, Faculty of Chemical and Food Technology, Institute of Polymer Materials, Radlinského 9, 812 37 Bratislava, Slovakia