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Issue 58, 2015
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The constitutive behavior of ammonium ionic liquids: a physiochemical approach

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Abstract

A huge number of possible molecular variants often forms a puzzle about their identity and integrity to processes, which can be resolved by adopting a concrete selection procedure of significance. This further relies on its relation with some phenomena on microscopic structure and macroscopic behavior. This study recognizes the numerous approaches to answer it on the grounds of thermodynamics for Ionic Liquids (ILs) and the conception of a middleman in the additivity phenomenon through molecular tailoring and a validated dataset, wherein Wada’s theory for molecular compressibility, A, is found inconsistent and is thus redefined. ILs are found to be divergent into two groups, depending upon the cationic integration rather than the anionic, on close analysis of the molecular sound velocity, R, to the molecular weight. Moreover, the study presents ILs in contrast to molecular fluids and presents their physiochemical nature in terms of Jacobson’s relation and Mark’s study on molecular fluids. The applicability of the Newton–Laplace relation has also been deduced. The missing links in persisting theories are explored quantitatively and structural descriptors are estimated for structural variability of –CH2/–CH3 commonly found in ILs. It seems quite interesting to visualize the appendages like benzyl, methylene and methyl in the molecular skeleton being the source of drastic effects on the studied behaviors. By far, these can, more or less, aid in solving the molecular puzzle of accessing ionic liquids’ potential of structural variability for task-specific applications, such as fluid mechanics, organic synthesis, reaction kinetics, antimicrobial activity and CO2 capture and sequestration.

Graphical abstract: The constitutive behavior of ammonium ionic liquids: a physiochemical approach

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Supplementary files

Article information


Submitted
07 Feb 2015
Accepted
29 Apr 2015
First published
29 Apr 2015

RSC Adv., 2015,5, 46881-46889
Article type
Paper
Author version available

The constitutive behavior of ammonium ionic liquids: a physiochemical approach

A. K. Gupta and R. L. Gardas, RSC Adv., 2015, 5, 46881
DOI: 10.1039/C5RA02391B

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