- Functionalized Ionic Liquids
- Benzyl Functionalized Ionic Liquids
As a kind of compounds with strong controllability, ionic liquids have always attracted much attention. Functionalized ionic liquids can qualitatively control various properties, and obtain target materials with excellent performance. Benzyl has a strong π-π interaction. The introduction of benzyl groups into ionic liquids can extend the conjugation between ionic liquids and enhance the π-π interaction. The π-π interaction between ionic liquids can enhance its thermal stability, mechanical strength and abundance of weak forces between ions. In the benzyl functionalized ionic liquid, the cation is 1-benzyl-3-alkylimidazole, and the anion includes Cl-, Br-, BF4-, PF6-, etc. However, the application of this type of ionic liquid is still relatively few, mainly using its conjugation effect in separation and purification technology.
Figure 1. Common structure of benzyl functionalized ionic liquids
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