Unravelling the Interactions between Surface-Active Ionic Liquids and Triblock Copolymers for the Design of Thermal Responsive Systems.

The Journal of Physical Chemistry. B
Germán Pérez-SánchezJoão A P Coutinho

Abstract

The tunable properties of surface-active ionic liquids (SAILs) and Pluronics are dramatically magnified by combining them in aqueous solutions. The thermo-controlled character of both, essential in the extraction of valuable compounds, can be fine-tuned by properly selecting the Pluronic and SAIL nature. However, further understanding of the nanoscale interactions directing the aggregation in these complex mixtures is needed to effectively design and control these systems. In this work, a simple and transferable coarse-grained model for molecular dynamics simulations, based on the MARTINI force field, is presented to study the impact of SAILs in Pluronics aggregation in aqueous solutions. The diverse amphiphilic characteristics and micelle morphologies were exemplified by selecting four archetypical nonionic Pluronics-two normal, L-31 and L-35, and two reverse, 10R5 and 31R1. The impact of the alkyl chain length and the headgroup nature were evaluated with the imidazolium-based [C10mim]Cl and [C14mim]Cl and phosphonium-based [P4,4,4,14]Cl SAILs. Cloud point temperature (CPT) measurements at different Pluronic concentrations with 0.3 wt % of SAIL in aqueous solution emphasized the distinct impact of SAIL nature on the thermo-res...Continue Reading

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Mar 21, 2019·Physical Chemistry Chemical Physics : PCCP·Nicolas SchaefferJoão A P Coutinho

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Citations

Dec 18, 2020·Frontiers in Molecular Biosciences·Alex Bunker, Tomasz Róg
Mar 10, 2021·Physical Chemistry Chemical Physics : PCCP·Germán Pérez-SánchezJoão A P Coutinho
May 7, 2021·Advanced Materials·Riccardo AlessandriSiewert J Marrink

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