1. Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Marie Curie Skłodowska Str., Zabrze 41−819, Poland
2. Department of Engineering Materials and Biomaterials, Silesian University of Technology, 18a Konarskiego Str., Gliwice 41−100, Poland
3. Department of Physical Chemistry and Technology of Polymers, Faculty of Chemistry, Silesian University of Technology, M. Strzody 9, Gliwice 44−100, Poland