New asymmetrical morpholinium- and 1,1-dioxidothiomorpholinium-based dicationic ionic liquid: structure, thermophysical and electrochemical properties of propylene carbonate solutionsстатьяИсследовательская статья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 12 января 2022 г.
Аннотация:A new asymmetrical 1,1-dioxidothiomorpholinium- and morpholinium-based dicationic ionic liquid (4-ethyl-4-[3-(4-ethyl-1,1-dioxidothiomorpholin-4-ium-4-yl)propyl]morpholin-4-ium tetrafluoroborate (EtDTMC3EtM·2BF4)) was synthesized in four stages and characterized by 1H, 13C, 1H,1H–COSY NMR, single X-ray diffraction, XPS spectroscopy and simultaneous thermal analysis. Electrical conductivities of several EtDTMC3EtM·2BF4 solutions in propylene carbonate (PC) were measured in the 298 – 368 K temperature range and analyzed using the Arrhenius, Litovitz, and Vogel–Fulcher–Tammann (VFT) equations.