Synthesis and Characterization of Dual-Core Acidic Ionic Liquids
Dual-core acidic ionic liquid is based on Dual-core cation structure,and it has strong catalytic activity and high stability by grafting two sulfonic acid groups,so it has great application potential in replacing strong corrosive industrial traditional acids.Five dual-core sulfonic acidic ionic liquids with triethylenediamine as the cation were designed and synthesized,they were characterized by nuclear magnetic resonance spectroscopy(NMR)and infrared spectroscopy(FT-IR).In addition,their acidity(H0)was determined by UV spectrophotometry,and the relationship between the structures and acidity of the ionic liquids was investigated.
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