Effect of sulfonate-based anions on the physicochemical properties of 1-alkyl-3-propanenitrile imidazolium ionic liquids
In this paper, the physicochemical properties of a new series of ionic liquids (ILs) based on nitrile-functionalised imidazolium cations ([C2CN Cnim]+) with sulfonate-based anions were studied. The ILs were prepared by reacting imidazole with acrylonitrile, followed by butyl- and decyl bromide. T...
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| Main Authors: | , , , |
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| Format: | Citation Index Journal |
| Published: |
Royal Chemical Society
2011
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| Subjects: | |
| Online Access: | http://eprints.utp.edu.my/4769/1/new_journal_of_chemistry.pdf http://eprints.utp.edu.my/4769/2/c0nj00950d_%282%29.pdf http://eprints.utp.edu.my/4769/3/FINALarticle.pdf http://eprints.utp.edu.my/4769/ |
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| Summary: | In this paper, the physicochemical properties of a new series of ionic liquids (ILs) based on
nitrile-functionalised imidazolium cations ([C2CN Cnim]+) with sulfonate-based anions were
studied. The ILs were prepared by reacting imidazole with acrylonitrile, followed by butyl- and
decyl bromide. The anions of the resulting bromide salts exchanged by metathesis to
dioctylsulfosuccinate (DOSS), dodecylsulfate (DDS), benzenesulfonate (BS) and
trifluoromethanesulfonate (TFMS). The densities of these ILs are lower compared to the those of
other reported nitrile-functionalised ILs, while on the other hand, the viscosities of the ILs are
higher due to the effects of the large anions and the long alkyl chain of the cations. |
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