Issue 34, 2011
From the journal:

Physical Chemistry Chemical Physics

Surfactant properties of ionic liquids containing short alkyl chain imidazolium cations and ibuprofenate anions†

Corine Tourné-Péteilh,*a   Jean-Marie Devoisselle,a   André Vioux,a   Patrick Judeinstein,b   Martin Inc  and  Lydie Viau*a  

* Corresponding authors

a Institut Charles Gerhardt Montpellier, UMR 5253, CNRS-UM2-ENSCM-UM1 Place Eugène Bataillon, CC007, 34095 Montpellier Cédex, France
E-mail: lydie.viau@univ-montp2.fr
Fax: +33 (0)4 67 14 38 52
Tel: +33 (0)4 67 14 39 72

b Institut de Chimie Moléculaire et des Matériaux d'Orsay, UMR-CNRS, 8182, Université Paris-Sud 11, Bât. 410 15 rue Georges Clémenceau, 91405 Orsay Cédex, France

c Laboratoire Charles Coulomb, UMR 5221, CNRS-UM2 Place Eugène Bataillon, CC026, 34095 Montpellier Cédex, France

Abstract

Interfacial tension, electrical conductivity, NMR self-diffusion and DLS experiments have been used to investigate the self-aggregation in water of ionic liquids associating an ibuprofenate anion and 1-alkyl-3-methylimidazolium [CnMIm]+ (n = 4, 6, 8) cations. Despite the short alkyl chain on imidazolium cations (n ≤ 8), these ionic liquids exhibit particularly low Critical Aggregation Concentrations (CAC), significantly lower than their parent 1-alkyl-3-methylimidazolium chloride salts. This behaviour is attributed to the formation of catanionic pairs between ibuprofenate and imidazolium.

Graphical abstract: Surfactant properties of ionic liquids containing short alkyl chain imidazolium cations and ibuprofenate anions

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Article information

DOI
https://doi.org/10.1039/C1CP21057B
Article type
Paper
Submitted
05 Apr 2011
Accepted
05 Jul 2011
First published
28 Jul 2011

Phys. Chem. Chem. Phys., 2011,13, 15523-15529

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Surfactant properties of ionic liquids containing short alkyl chain imidazolium cations and ibuprofenate anions

C. Tourné-Péteilh, J. Devoisselle, A. Vioux, P. Judeinstein, M. In and L. Viau, Phys. Chem. Chem. Phys., 2011, 13, 15523 DOI: 10.1039/C1CP21057B

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