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A Triple Salting-Out Effect is Required for the Formation of Ionic-Liquid-Based Aqueous Multiphase Systems.
Passos, Helena; Costa, Sara H; Fernandes, Ana M; Freire, Mara G; Rogers, Robin D; Coutinho, João A P.
Afiliação
  • Passos H; CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal.
  • Costa SH; CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal.
  • Fernandes AM; QOPNA Unit, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal.
  • Freire MG; CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal.
  • Rogers RD; Department of Chemistry, Otto Maass Chemistry Building, McGill University, 801 Sherbrooke St. West, Montreal, QC, H3A 0B8, Canada.
  • Coutinho JAP; 525 Solutions, Inc., P.O. Box 2206, Tuscaloosa, AL, 35403, USA.
Angew Chem Int Ed Engl ; 56(47): 15058-15062, 2017 11 20.
Article em En | MEDLINE | ID: mdl-28967998
ABSTRACT
Novel aqueous multiphase systems (MuPSs) formed by quaternary mixtures composed of cholinium-based ionic liquids (ILs), polymers, inorganic salts, and water are reported herein. The influence of several ILs, polymers, and salts was studied, demonstrating that a triple salting-out is a required phenomenon to prepare MuPSs. The respective phase diagrams and "tie-surfaces" were determined, followed by the evaluation of the effect of temperature. Finally, the remarkable ability of IL-based MuPSs to selectively separate mixtures of textile dyes is shown.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2017 Tipo de documento: Article
Texto completo
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2017 Tipo de documento: Article