Rothe, Manuel and Mueller, Eva and Denk, Patrick and Kunz, Werner (2021) Ionic Liquids Based on the Concept of Melting Point Lowering Due to Ethoxylation. MOLECULES, 26 (13): 4034. ISSN , 1420-3049
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Most of the commonly used Ionic Liquids (ILs) contain bulky organic cations with suitable anions. With our COMPLET (Concept of Melting Point Lowering due to Ethoxylation), we follow a different approach. We use simple, low-toxic, cheap, and commercially available anions of the type C-x(EO)(y)CH2COO- to liquefy presumably any simple metal ion, independently of its charge. In the simplest case, the cation can be sodium or lithium, but synthesis of Ionic Liquids is also possible with cations of higher valences such as transition or rare earth metals. Anions with longer alkyl chains are surface active and form surface active ionic liquids (SAILs), which combine properties of ionic and nonionic surfactants at room temperature. They show significant structuring even in their pure state, i.e., in the absence of water or any other added solvent. This approach offers new application domains that go far beyond the common real or hypothetical use of classical Ionic Liquids. Possible applications include the separation of rare earth metals, the use as interesting media for metal catalysis, or the synthesis of completely new materials (for example, in analogy to metal organic frameworks).
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | OLIGOETHER CARBOXYLATES; WATER; ionic liquids; surface active ionic liquids (SAILs); room temperature ionic liquids (RTILs); alkyl ethylene glycol ether carboxylates; rare earth metals; transition metals; colloids; green chemistry |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > Prof. Dr. Werner Kunz |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 09 Aug 2022 11:49 |
| Last Modified: | 09 Aug 2022 11:49 |
| URI: | https://pred.uni-regensburg.de/id/eprint/46217 |
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