Effect of Ethylene, Diethylene, and Triethylene Glycols
and Glycerol on the Physicochemical Properties and Phase Behavior
of Benzyltrimethyl and Benzyltributylammonium Chloride Based Deep
Eutectic Solvents at 283.15–343.15 K
Posted on 2018-04-21 - 13:13
Deep eutectic solvents
(DESs) are regarded as a promising and emerging
alternative for volatile organic compounds (VOCs) due to their cost-effectiveness
and environmentally sustainable nature. Formulation of new DESs and
thorough investigation of their physicochemical properties have been
on the rise ever since potential applications of DES have been realized.
The present study reports a new series of DES based on benzyltrimethylammonium
chloride and benzyltributylammonium chloride as hydrogen bond acceptor
(HBAs) with three ethylene glycols and glycerols as hydrogen bond
donors (HBDs). The current work includes the synthesis, characterization,
and investigation of the thermophysical properties of a series of
DES systems. The studied properties include density, ρ, speed
of sound, u, viscosity, η, refractive index, nD, and electrical conductivity, σ, for
all DESs in the temperature range from 283.15 to 343.15 K. The observed
trends in properties like density, speed of sound, viscosity, and
refractive indices were correlated with appropriate equations, and
some industrially useful parameters have also been derived. An insight
about the internal association in these DESs has been analyzed through
the rheological and Fourier-transform infrared (FT-IR) spectroscopy.
The newly synthesized DESs have also been investigated for their efficiency
in aqueous biphasic system (ABS) formation. This systematic study
revealed the influence of both HBD/HBA and temperature on the physicochemical
characteristics of the DESs.
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Basaiahgari, Anusha; Panda, Somenath; Gardas, Ramesh L. (2018). Effect of Ethylene, Diethylene, and Triethylene Glycols
and Glycerol on the Physicochemical Properties and Phase Behavior
of Benzyltrimethyl and Benzyltributylammonium Chloride Based Deep
Eutectic Solvents at 283.15–343.15 K. ACS Publications. Collection. https://doi.org/10.1021/acs.jced.8b00213
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AUTHORS (3)
AB
Anusha Basaiahgari
SP
Somenath Panda
RG
Ramesh L. Gardas
KEYWORDS
Triethylene GlycolsHBDHBADeep Eutectic Solventsstudy reportsbenzyltrimethylammonium chloriden D343.15 KFT-IRDES systemshydrogen bond donorsethylene glycolsVOCbenzyltributylammonium chloridetemperature rangebiphasic systemPhase Behaviorthermophysical propertieshydrogen bond acceptorphysicochemical propertiesPhysicochemical PropertiesABSBenzyltributylammonium Chloridephysicochemical characteristics