CHAPTER 4:Surfactant Fluorinated Ionic Liquids

CHAPTER 4:Surfactant Fluorinated Ionic Liquids
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第 4 章:表面活性剂氟化离子液体

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发表时间:
2017
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通讯作者:
L. Rebelo
L. Rebelo
中科院分区:
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作者:
A. B. Pereiro;J. Araújo;J. Esperança;L. Rebelo

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氟化离子液体(FILs)由于其特殊的物理化学性质,如消失的蒸气压、溶剂质量、出色的化学和生物惰性、无可燃性、低表面张力、高表面活性剂功率和高热稳定性,正逐渐成为工程应用的绿色生物材料。通过正确选择阳离子和阴离子来调整这些性质在控制不同类型的相互作用(即范德华、氢键和哥伦比亚键)方面也起着重要作用。此外,本文提出的新型FILs呈现出一种有趣的纳米结构效应,促进了第三种纳米分离结构域(含氟)的出现,这允许控制其分离能力,将FILs转化为具有增强增溶能力的3合1溶剂。调整不同类型的相互作用、结构域的大小和类型(极性、氢化/氟化极性)、表面活性剂的行为以及在水和其他流体中的溶解度,将提供在不同应用中使用这些FILs作为生物材料所需的成分,而氟碳化合物在这些应用中表现出一些缺陷。本章对这类离子液体的特性和复杂行为及其可能的应用进行了评述。所获得的结果将对氟碳化合物和离子液体的应用产生明显的影响。
Fluorinated ionic liquids (FILs) are growing into greener biomaterials for engineering applications due to their exceptional physicochemical properties, such as their vanishing vapour pressure, solvent quality, outstanding chemical and biological inertness, null flammability, low surface tension, high surfactant power and high thermal stability. Tuning these properties by the proper choice of cations and anions also plays an important role in controlling the distinct types of interactions, namely van der Waals, hydrogen bonds and coloumbic. Moreover, the novel FILs herein proposed present an interesting nanostructuring effect, promoting the appearance of a third nanosegregated domain (fluorous), which permits control of their segregation capacity, converting FILs into 3-in-1 solvents with enhanced solubilisation power. Adjusting the different types of interactions, the size and type of domains (polar, hydrogenated/fluorinated apolar), surfactant behaviour and the solubility in water and other fluids will provide the ingredients needed to use these FILs as biomaterials in different applications where fluorocarbon compounds display some handicaps. This chapter provides a critical review of the characteristic and complex behaviour of this family of ionic liquids and their possible applications. The attained results will have a clear impact on applications using fluorocarbon compounds and ionic liquids.