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  • Title: "Washing-out" ionic liquids from polyethylene glycol to form aqueous biphasic systems.
    Author: Tomé LI, Pereira JF, Rogers RD, Freire MG, Gomes JR, Coutinho JA.
    Journal: Phys Chem Chem Phys; 2014 Feb 14; 16(6):2271-4. PubMed ID: 24382570.
    Abstract:
    The molecular-level mechanisms behind the formation of aqueous biphasic systems (ABS) composed of ionic liquids (ILs) and polymers are hitherto not completely understood. For the first time, it is herein shown that polymer-IL-based ABS are a result of a "washing-out" phenomenon, and not of a salting-out effect of the IL over the polymer as assumed in the past few years. Novel evidence is herein provided by experimental results combined with molecular dynamics (MD) simulations and density functional theory (DFT) calculations.
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