Design of phosphonated imidazolium-based ionic liquids grafted on γ-alumina: Potential model for hybrid membranes

Marie Alix Pizzoccaro, Martin Drobek, Eddy Petit, Gilles Guerrero*, Peter Hesemann, Anne Julbe

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

9 Citations (Scopus)
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Abstract

Imidazolium bromide-based ionic liquids bearing phosphonyl groups on the cationic part were synthesized and grafted on γ-alumina (γ-Al 2 O 3 ) 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 CO 2 separation applications. Effective grafting was demonstrated using energy dispersive X-ray spectrometry (EDX), N 2 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).

Original languageEnglish
Article number1212
JournalInternational journal of molecular sciences
Volume17
Issue number8
DOIs
Publication statusPublished - 1 Aug 2016
Externally publishedYes

Keywords

  • Grafting
  • Hybrid membrane
  • Imidazolium-based ionic liquids
  • Phosphonate coupling agent
  • Solid state NMR
  • γ-alumina

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