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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Preparation and testing of large titanium dioxide layers
 Maršálek, Blahoslav ; Kočí,, Kamila (referee) ; Veselý, Michal (advisor)
The aim of this bachelor theses was testing of mechanical and photocatalytical properties on printing suspension with different composition of the titanium dioxide with organosilicate binder printed on the PET foil. The cross-cut test was used to evaluate mechanical properties of the printed film surface. The photocatalytic activity was tested by decomposition of the acid orange 7 as a model pollutant using the UV-VIS spectrophotometry. Based on the results from experiments, the formal rate constants and the parameters of the mechanical stability of surfaces were obtained. The results shoved, that there is a clear correlation between the rate of organosilicate and titanium dioxide – the more is titanium dioxide, the higher is photocatalytic activity, but lower mechanical stability of the printed surface, what is probably caused by covering of titanium reaction centers by organosilicate. Possibilities of enhancing photocatalytic efficiency of the titanium dioxide and organosilicate composition are also discussed in this thesis.
Detailed record
Preparation and testing of large titanium dioxide layers
 Maršálek, Blahoslav ; Kočí,, Kamila (referee) ; Veselý, Michal (advisor)
The aim of this bachelor theses was testing of mechanical and photocatalytical properties on printing suspension with different composition of the titanium dioxide with organosilicate binder printed on the PET foil. The cross-cut test was used to evaluate mechanical properties of the printed film surface. The photocatalytic activity was tested by decomposition of the acid orange 7 as a model pollutant using the UV-VIS spectrophotometry. Based on the results from experiments, the formal rate constants and the parameters of the mechanical stability of surfaces were obtained. The results shoved, that there is a clear correlation between the rate of organosilicate and titanium dioxide – the more is titanium dioxide, the higher is photocatalytic activity, but lower mechanical stability of the printed surface, what is probably caused by covering of titanium reaction centers by organosilicate. Possibilities of enhancing photocatalytic efficiency of the titanium dioxide and organosilicate composition are also discussed in this thesis.
Detailed record

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