Everything You Wanted to Know about Deep Eutectic Solvents but Were Afraid to Be Told.

IF 7.6 2区 工程技术 Q1 CHEMISTRY, APPLIED
Dinis O Abranches, João A P Coutinho
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引用次数: 0

Abstract

Are deep eutectic solvents (DESs) a promising alternative to conventional solvents? Perhaps, but their development is hindered by a plethora of misconceptions. These are carefully analyzed here, beginning with the very meaning of DESs, which has strayed far beyond its original scope of eutectic mixtures of Lewis or Brønsted acids and bases. Instead, a definition that is grounded on thermodynamic principles and distinguishes between eutectic and deep eutectic is encouraged, and the types of precursors that can be used to prepare DESs are reviewed. Landmark works surrounding the sustainability, stability, toxicity, and biodegradability of these solvents are also discussed, revealing piling evidence that numerous DESs reported thus far, particularly those that are choline based, lack sufficient sustainability-related traits to be considered green solvents. Finally, emerging DES applications are reviewed, emphasizing their most remarkable feature: the ability to liquefy a solid compound with a target property, allowing its use as a liquid solvent.

关于深共晶溶剂,你想知道却又害怕被告知的一切。
深共晶溶剂 (DES) 是传统溶剂的理想替代品吗?也许是的,但它们的发展受到了大量误解的阻碍。本文将对这些误解进行仔细分析,首先是 DES 的含义,它已经远远超出了路易斯酸或布伦斯泰德酸和碱的共晶混合物的最初范围。相反,我们鼓励采用基于热力学原理、区分共晶和深共晶的定义,并回顾了可用于制备 DES 的前驱体类型。此外,还讨论了与这些溶剂的可持续性、稳定性、毒性和生物降解性有关的里程碑式研究成果,其中大量证据表明,迄今为止报道的众多 DES(尤其是以胆碱为基础的 DES)缺乏足够的可持续性相关特征,因此不能被视为绿色溶剂。最后,回顾了 DES 的新兴应用,强调了其最显著的特点:能够液化具有目标特性的固体化合物,使其能够用作液体溶剂。
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来源期刊
Annual review of chemical and biomolecular engineering
Annual review of chemical and biomolecular engineering CHEMISTRY, APPLIED-ENGINEERING, CHEMICAL
CiteScore
16.00
自引率
0.00%
发文量
25
期刊介绍: The Annual Review of Chemical and Biomolecular Engineering aims to provide a perspective on the broad field of chemical (and related) engineering. The journal draws from disciplines as diverse as biology, physics, and engineering, with development of chemical products and processes as the unifying theme.
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