abstract |
The ionic liquid provided by the present invention comprises: an imidazole cation and a hydrophobic anion, wherein the structure of the imidazolium cation is as follows: □, wherein R1 is an alkyl group of C1-5, and R2 is an alkyl group of C1-20; wherein the hydrophobic anion comprises NTf2-, PF6- or a combination of the above. |