Guanidinium-containing oligomeric cationic protonic ionic liquid

Authors

  • M.Ya. Vortman Institute of Macromolecular Chemistry of the NAS of Ukraine, Kyiv
  • V.N. Lemeshko Institute of Macromolecular Chemistry of the NAS of Ukraine, Kyiv
  • V.V. Shevchenko Institute of Macromolecular Chemistry of the NAS of Ukraine, Kyiv

DOI:

https://doi.org/10.15407/dopovidi2019.12.075

Keywords:

guanidinium-containing oligomeric ionic liquid, ionic liquids, proton cationic oligomeric ionic liquid

Abstract

By the reaction of oligomeric oxyalkyl aromatic diepoxide with guanidine, followed by the neutralization of the product with hydrochloric acid, a new type of reactive proton cationic oligomeric ionic liquids is synthesized. Its structure is characterized by the presence of guanidinium groups at the ends of the hydrophobic alkylaromatic hydroxyl-containing oligoether chain. The chemical structure of this compound was characterized by IR, 1H and 13C NMR spectroscopy, and its molecular weight characteristics were determined. The synthesized proton oligomeric ionic liquid is characterized by an amorphous structure with a glass transition temperature of 70 ºC. The proton conductivity of this compound is 1.94 • 10–3 S/cm at 120 ºC, and, in terms of surface activity, it is at the level of classical surfactants. The synthesized oligomeric ionic liquid is of interest as an electrolyte operating under fresh conditions, a fungicide, a surfactant, as well as a starting reagent for the synthesis of ion-containing block copolymers.

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Published

24.04.2024

How to Cite

Vortman, M., Lemeshko, V., & Shevchenko, V. (2024). Guanidinium-containing oligomeric cationic protonic ionic liquid . Reports of the National Academy of Sciences of Ukraine, (12), 75–82. https://doi.org/10.15407/dopovidi2019.12.075

Issue

No. 12 (2019): Reports of the National Academy of Sciences of Ukraine

Section

Chemistry

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