Design of Phosphonated Imidazolium-Based Ionic Liquids Grafted on γ-Alumina: Potential Model for Hybrid Membranes

Imidazolium bromide-based ionic liquids bearing phosphonyl groups on the cationic part were synthesized and grafted on gamma-alumina (gamma -Al2O3) powders. These powders were prepared as companion samples of conventional mesoporous gamma-alumina membranes, in order to favor a possible transfer of the results to supported membrane materials, which could be used for CO2 separation applications. Effective grafting was demonstrated using energy dispersive X-ray spectrometry (EDX), N2 adsorption measurements, fourier transform infrared spectroscopy (FTIR), and special attention was paid to 31P and 13C solid state nuclear magnetic resonance spectroscopy (NMR).

Mots clés

imidazolium-based ionic liquids gamma -alumina phosphonate coupling agent grafting solid state NMR hybrid membrane γ-alumina

Domaines

Matériaux Chimie organique

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ijms-17-01212.pdf (2.1 Mo)

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Soumis le : mercredi 1 juillet 2020-12:49:36

Dernière modification le : jeudi 12 décembre 2024-14:38:23

Archivage à long terme le : vendredi 27 novembre 2020-10:40:13

Dates et versions

hal-01373840 , version 1 (01-07-2020)

Identifiants

HAL Id : hal-01373840 , version 1
DOI : 10.3390/ijms17081212

Citer

Marie-Alix Pizzoccaro, Martin Drobek, Eddy Petit, Gilles Guerrero, Peter Hesemann, et al.. Design of Phosphonated Imidazolium-Based Ionic Liquids Grafted on γ-Alumina: Potential Model for Hybrid Membranes. International Journal of Molecular Sciences, 2016, Special Issue "Ionic Liquids 2016 and Selected Papers from ILMAT III", 17 (8), pp.1212. ⟨10.3390/ijms17081212⟩. ⟨hal-01373840⟩

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