Preparation and Properties of C═X (X: O, N, S) Based Distillable Ionic Liquids and Their Application for Rare Earth Separation

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• 作者：Guofeng Li ; Zhimin Xue ; Bobo Cao ; Chuanyu Yan ; Tiancheng Mu
• 刊名：ACS Sustainable Chemistry & Engineering
• 出版年：2016
• 出版时间：December 5, 2016
• 年：2016
• 卷：4
• 期：12
• 页码：6258-6262
• 全文大小：299K
• ISSN：2168-0485

文摘

The negligible vapor pressure of ionic liquids prevents the separation of ionic liquids from other nonvolatile substances by distillation. Most distillable ionic liquids have been reported are protic ionic liquids, and the aprotic ionic liquids are still scarce. In this work, we designed and synthesized a series of unsaturated bond (C═X; X is O, N, S) based ionic liquids and some of them could be distilled at a mild condition. Moreover, [MDMF]TfO shows a high efficiency for separation of EuCl₃ from the mixture of EuCl₃ and NdCl₃.