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- Trisubstituted Imidazolium-Based Ionic Liquids
Trisubstituted imidazolium-based ionic liquids are a class of ionic liquids composed of imidazolyl cations. This type of ionic liquid is different from other imidazole ionic liquids in that the H atom on the C atom located between the two N atoms on the imidazole ring is replaced by a substituent. This structure gives the trisubstituted imidazolium-based ionic liquid special properties. It has excellent thermal stability and high melting point, and is mainly used in high temperature systems or active hydrogen sensitive environments.
Figure 1. Chemical structure of trisubstituted imidazole cation
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