[1] Centre of Polymer Systems, Tomas Bata University in Zlin, tr. Tomase Bati 5678, Zlin,CZ,76001, Czech Republic
[2] Department of Electrical and Electronic Technology, Faculty of Electrical Engineering and Communication, Brno University of Technology, Technicka 10, Brno,CZ,616 00, Czech Republic
[3] Central European Institute of Technology, Masaryk University, Kamenice 5, Brno,625 00, Czech Republic
[4] Central European Institute of Technology, Brno University of Technology, Purkynova 123, Brno,612 00, Czech Republic