Browsing by Author "Popytailenko, Daryna"
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Item Features of the Swelling Kinetics of Polymer Materials in Blended Diesel Fuel(Lviv Polytechnic National University, Lviv, 2024) Shevchenko, Olena; Popytailenko, Daryna; Ebich, Yurii; Zamikula, Kostiantyn; Sukhyi, Kostiantyn M.; Vytrykush, NataliyaENG: The work is devoted to determining the features of the swelling kinetic patterns of polymer materials in contact with blended fuel containing fatty acid esters. Kinetic equations for predicting the behavior of polymer materials in contact with blended fuel at different temperatures were obtained. Peculiarities of the swelling kinetics of polymer materials with different chemical structures in blended diesel fuel were studied. It was found that the process proceeds in two stages for any temperature conditions. The effect of fatty acid esters in the composition of blended diesel fuel on the stability of polymer materials depending on their structure and temperature factor was determined. An approach to the selection of polymer materials resistant to the effects of fatty acid esters is proposed. The patterns of changes in the swelling resistance of polymer materials upon contact with blended diesel fuel, depending on their structure, were determined.