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Imidazolium-Based Poly(ionic liquid)s as New Alternatives for CO2 Capture
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2013 (English)In: ChemSusChem, ISSN 1864-5631, Vol. 6, no 8, 1500-1509 p.Article in journal (Refereed) Published
Abstract [en]

Solid imidazolium-based poly(ionic liquid)s with variable molecular weights that contain the poly[2-(1-butylimidazolium-3-yl)ethyl methacrylate] (BIEMA) cation and different counter anions were evaluated in terms of CO2 capture and compared with classical ionic liquids with similar counter anions. In addition to poly(ionic liquid)s with often-applied ions such as BF4-, PF6-, NTf2-, trifluoromethanesulfonate (OTf-) and Br-, for the first time [BIEMA][acetate] was synthesised, which revealed a remarkably high CO2 sorption performance that exceeded the poly(ionic liquid)s studied previously on average by a factor of four (12.46mgg(PIL)(-1)). This study provides an understanding of the factors that affect CO2 sorption and a comparison of the CO2 capture efficiency with the frequently used sorbents. Moreover, all the studied sorbents were reusable if regenerated under carefully selected conditions and can be considered as suitable candidates for CO2 sorption.

Place, publisher, year, edition, pages
Wiley-VCH Verlagsgesellschaft, 2013. Vol. 6, no 8, 1500-1509 p.
Keyword [en]
carbon dioxide fixation, carbon storage, ionic liquids, polycations, polymers
National Category
Chemical Sciences
URN: urn:nbn:se:umu:diva-81323DOI: 10.1002/cssc.201300120ISI: 000323105700035OAI: diva2:655387
Available from: 2013-10-11 Created: 2013-10-07 Last updated: 2013-10-11Bibliographically approved

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Mikkola, Jyri-Pekka
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Department of Chemistry
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