National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
Comparing Physical Properties and Industrial Applications of Some Lactic Acid Esters
Paulenka, Igor ; Omelka, Ladislav (referee) ; Petrůj, Jaroslav (advisor)
The bachelor thesis deals with characterization of lactic acid esters on the basis of their physicochemical properties. Methyl, ethyl, 2-ethylhexyl, n-propyl, isopropyl lactate were selected. These esters are biodegradable and they are therefore considered as replacement for more toxic and dangerous solvents for industrial use. Antoine equation and Hildebrand solubility parameter was calculated from vapour pressure measured by isoteniscope.
Functionalization of polyolefins by grafting
Paulenka, Igor ; Petruš, Josef (referee) ; Petrůj, Jaroslav (advisor)
The theoretical part of the diploma thesis is focused on the funcionalization of polyolefins in order to accelerate their degradation and to increase their carbon content from renewable resources with focus on hydroxyacids. The experimental part is focused on preparing samples and studying the properties of the polypropylene and polyethylene blends with the polylactide with different contents of the initiator and the maleic anhydride. Samples were evaluated by determining the degree of conversion maleic anhydride, differential scanning calorimetry, infrared spectroscopy, melt flow index and mechanical properties.
Functionalization of polyolefins by grafting
Paulenka, Igor ; Petruš, Josef (referee) ; Petrůj, Jaroslav (advisor)
The theoretical part of the diploma thesis is focused on the funcionalization of polyolefins in order to accelerate their degradation and to increase their carbon content from renewable resources with focus on hydroxyacids. The experimental part is focused on preparing samples and studying the properties of the polypropylene and polyethylene blends with the polylactide with different contents of the initiator and the maleic anhydride. Samples were evaluated by determining the degree of conversion maleic anhydride, differential scanning calorimetry, infrared spectroscopy, melt flow index and mechanical properties.
Comparing Physical Properties and Industrial Applications of Some Lactic Acid Esters
Paulenka, Igor ; Omelka, Ladislav (referee) ; Petrůj, Jaroslav (advisor)
The bachelor thesis deals with characterization of lactic acid esters on the basis of their physicochemical properties. Methyl, ethyl, 2-ethylhexyl, n-propyl, isopropyl lactate were selected. These esters are biodegradable and they are therefore considered as replacement for more toxic and dangerous solvents for industrial use. Antoine equation and Hildebrand solubility parameter was calculated from vapour pressure measured by isoteniscope.

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