Centre of Polymer Systems, Tomas Bata University in Zlin, nám. T.G.Masaryka 5555, 760 01, Zlin, Czech Republic; Department of Fat, Surfactant and Cosmetics Technology, Faculty of Technology, Tomas Bata University in Zlín, nám. T. G. Masaryka 5555, 760 01, Zlín, Czech Republic