Protic ionic liquid plus water interactions studied by 1D NOESY NMR spectroscopy

The interactions between ionic liquids and water are very important for the chemical industry. The advancement of research between levels of interactions and the presence of clustering can boost the pharmaceutical industry and of polymers. The aim of this work was to use different protic ionic liquids to observe the formation of aggregated using the NMR 1D NOESY. The results reveal the presence of Nuclear Overhauser Effect in some systems and the behavior of the NOE effect does not seem to be so linear, that is, the increase in the size of the alkyl chain lengths ranging does not guarantee the presence of supra molecular aggregates. (C) 2019 Published by Elsevier B.V.