1. Institute of Chemistry and Technology of Macromolecular Materials, Faculty of Chemical Technology; University of Pardubice; 532 10 Pardubice Czech Republic
2. MemBrain, Ltd; 471 27 Stráž pod Ralskem Czech Republic
3. Joint Laboratory of Solid State Chemistry of the Institute of Macromolecular Chemistry of AS CR and University of Pardubice, Faculty of Chemical Technology; University of Pardubice; 532 10 Pardubice Czech Republic
4. Ministry of Interior of the Slovak Republic, Fire Research Institute; 83104 Bratislava Slovakia