Designing the ammonium cation to achieve a higher hydrophilicity of bistriflimide-based ionic liquids

In this work, we have found complete water miscibility for a priori, water immiscible (highly hydrophobic) ionic liquids by chemical manipulation of the quaternary ammonium cation grafted with hydroxyethyl moieties. Specifically, we were able to obtain bistriflimide-based ionic liquids completely mi...

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Published inPhysical chemistry chemical physics : PCCP Vol. 20; no. 29; pp. 19307 - 19313
Main Authors de Ferro, A Mão, Reis, P M, Soromenho, M R C, Bernardes, C E S, Shimizu, K, Freitas, A A, Esperança, J M S S, Canongia Lopes, J N, Rebelo, L P N
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 2018
Subjects
Cations
Ionic liquids
Ions
Miscibility
Organic chemistry
Solvents
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Summary:In this work, we have found complete water miscibility for a priori, water immiscible (highly hydrophobic) ionic liquids by chemical manipulation of the quaternary ammonium cation grafted with hydroxyethyl moieties. Specifically, we were able to obtain bistriflimide-based ionic liquids completely miscible with water, even below room temperature. The underlying reason is the full integration of the OH groups of the cation in the continuous H-bonded network of water.
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ISSN:1463-9076
1463-9084
DOI:10.1039/c8cp03398f