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Solvent-free synthe...
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Maurina Morais, Eduardo,1989Chalmers tekniska högskola,Chalmers University of Technology
(author)
Solvent-free synthesis of protic ionic liquids. Synthesis, characterization and computational studies of triazolium based ionic liquids
- Article/chapterEnglish2022
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Elsevier BV,2022
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LIBRIS-ID:oai:research.chalmers.se:f2cf64a4-cbe5-4ec0-950b-f3dc3c1c6514
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https://doi.org/10.1016/j.molliq.2022.119358DOI
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https://research.chalmers.se/publication/530785URI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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A series of triazolium and imidazolium based protic ionic liquids were synthesized using a solvent-free method designed to address several limitations encountered with other commonly used methods. Using this method, pure (98–99% m/m) and dry (128–553 ppm of water) protic ionic liquids were synthesized (in a laboratory scale) without the need for purification methods that require heating the ionic liquid, hence avoiding the common issue of thermal decomposition. This method was also designed to allow for the accurate measurement of acid and base, and for the controlled mixing of both compounds, which is essential to avoid producing impure protic ionic liquids with excess of either acid or base. The system is constructed of only glass and chemically resistant polymer (PTFE and PVDF) parts, which avoid other contaminants that can result from unwanted reactions involving the reagents with common laboratory tools (metallic objects, paper, plastic, etc.). This process is described in detail in the paper as well as in a video. The resulting ionic liquids were carefully analyzed by spectroscopic and thermal methods designed to avoid water absorption, which is known to affect their properties. To complement this experimental characterization, computational chemistry tools were used to assess the ionic liquids’ properties, as well as to assign vibrational modes.
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Abdurrokhman, Iqbaal,1991Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)iqbaal
(author)
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Martinelli, Anna,1978Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)annamart
(author)
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Chalmers tekniska högskola
(creator_code:org_t)
Related titles
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In:Journal of Molecular Liquids: Elsevier BV3600167-7322
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