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- Imidazolium-Based Ionic Liquids
- Disubstituted Imidazolium-Based Ionic Liquids
- N-methylimidazoles Ionic Liquids
There are various types of imidazolium-based ionic liquids. According to the number and type of functional groups, disubstituted imidazolium-based ionic liquids can be simply classified into N-methylimidazole ionic liquids and N-vinylimidazole ionic liquids based on the substituents on the N atom. N-methylimidazole ionic liquids have the advantages of higher stability, lower viscosity, lower vapor pressure, and higher conductivity. Using N-methylimidazole as cation, BF4- and PF6- as anions are stable to air and water, has a wide liquid temperature range, low coordination ability, etc., can be used in biosensors, catalyze chemical reactions, and dissolve sugars compounds and other fields.
Figure 1. The general chemical structure of N-methylimidazole ionic liquid
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