New water-stable ionic liquids based on tetrakis-(2,2,2-trifluoroethoxy)borate.

New water-stable ionic liquids based on tetrakis-(2,2,2-trifluoroethoxy)borate.
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基于四-(2,2,2-三氟乙氧基)硼酸盐的新型水稳定性离子液体

DOI:
10.1002/cphc.201402453
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发表时间:
2014
期刊:
Chemphyschem : a European journal of chemical physics and physical chemistry
影响因子:
--
通讯作者:
Ingo Krossing
Ingo Krossing
中科院分区:
--
文献类型:
--
作者:
Alexander B. A. Rupp;Petra Klose;Harald Scherer;Ingo Krossing

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以Na[B(tfe)4] (tfe=OCH2CF3)为原料,经复分解制备了几种新型离子液体(IL),其中包括一种室温离子液体(RTIL)。在合成之前,通过预测量子化学计算选择合适的阳离子。近一个月的核磁共振监测显示,阴离子在有水的情况下完全稳定。测定了所有新il的温度依赖性粘度和熔点。数据表明,[B(tfe)4]−il对于电化学应用来说可能过于粘稠,但对于润滑剂研究来说却是有趣的候选者。
Several new ionic liquids (ILs) were prepared from Na[B(tfe)4] (tfe=OCH2CF3) via metathesis, including one room temperature IL (RTIL). Prior to synthesis, suitable cations were chosen via predictive quantum‐chemical calculations. Nuclear magnetic resonance monitoring over almost a month showed a total stability of the anion in the presence of water. The temperature‐dependent viscosities and melting points of all the new ILs were determined. The data indicate that [B(tfe)4]−ILs may be too viscous for electrochemical applications, but are interesting candidates for lubricant research.
DOI: 10.1002/cphc.201100522
发表时间: 2011-11
期刊: Chemphyschem : a European journal of chemical physics and physical chemistry
影响因子: --
作者:
U. Preiss;W. Beichel;Anna M. T. Erle;Yauheni U. Paulechka;I. Krossing
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发表时间: 2014
期刊: Chemistry
影响因子: --
作者:
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通讯作者: Ingo Krossing