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


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

SUBMITTER: Pizzoccaro MA 

PROVIDER: S-EPMC5000610 | biostudies-literature | 2016 Jul

REPOSITORIES: biostudies-literature

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

Pizzoccaro Marie-Alix MA   Drobek Martin M   Petit Eddy E   Guerrero Gilles G   Hesemann Peter P   Julbe Anne A  

International journal of molecular sciences 20160727 8


Imidazolium bromide-based ionic liquids bearing phosphonyl groups on the cationic part were synthesized and grafted on γ-alumina (γ-Al₂O₃) powders. These powders were prepared as companion samples of conventional mesoporous γ-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, fo  ...[more]

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