Thermophysical Properties of Two Ammonium-Based Protic Ionic Liquids
authors Bhattacharjee, A; Coutinho, JAP; Freire, MG; Carvalho, PJ
nationality International
journal JOURNAL OF SOLUTION CHEMISTRY
author keywords Protic ionic liquids; Density; Viscosity; Refractive index; Surface tension
keywords 2-HYDROXY ETHYLAMMONIUM FORMATE; SURFACE-TENSION; KNOEVENAGEL CONDENSATION; TRANSPORT-PROPERTIES; ALDOL CONDENSATIONS; PHYSICAL-PROPERTIES; CATALYTIC-ACTIVITY; CHAIN-LENGTH; TEMPERATURE; SOLVENT
abstract Experimental data for density, viscosity, refractive index and surface tension are reported, for the first time, in the temperature range between 288.15 and 353.15 K and at atmospheric pressure for two protic ionic liquids, namely 2-(dimethylamino)-N,N-dimethylethan-1-ammonium acetate, [N-11{2(N11)}H][CH3CO2], and N-ethyl-N,N-dimethylammonium phenylacetate, [N-112H][C7H7CO2]. The effect of the anion's aromaticity and the cation's aliphatic tails on the studied properties is discussed. Additional derived properties, such as isobaric thermal expansion coefficient, surface entropy and enthalpy and critical temperature, were estimated.
publisher SPRINGER/PLENUM PUBLISHERS
issn 0095-9782
year published 2015
volume 44
issue 03-Apr
beginning page 703
ending page 717
digital object identifier (doi) 10.1007/s10953-015-0326-0
web of science category Chemistry, Physical
subject category Chemistry
unique article identifier WOS:000353289100021
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journal analysis (jcr 2017):
journal impact factor 1.401
5 year journal impact factor 1.199
category normalized journal impact factor percentile 22.109
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