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NMR and Rheological Study of Anion Size Influence on the Properties of Two Imidazolium-based Ionic Liquids.

ABSTRACT: NMR self-diffusion and relaxation, coupled with viscosity, were used to study the properties and structure of two imidazolium-based ionic liquids, 1-ethyl-3-methylimidazolium acetate [C2MIM][OAc] and 1-ethyl-3-methylimidazolium octanoate [C2MIM][OOct]. The experimental results point to the formation of different types of aggregates in each ionic liquid. These aggregates are small and stable under flow and temperature in [C2MIM][OAc], whereas the aggregates are large and sensitive to flow and temperature in [C2MIM][OOct]. In the latter case the size of aggregates decreases both under flow and temperature increase.

SUBMITTER: Green SM

PROVIDER: S-EPMC5566215 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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NMR and Rheological Study of Anion Size Influence on the Properties of Two Imidazolium-based Ionic Liquids.

Green Stephen M SM Ries Michael E ME Moffat Jamie J Budtova Tatiana T

Scientific reports 20170821 1

NMR self-diffusion and relaxation, coupled with viscosity, were used to study the properties and structure of two imidazolium-based ionic liquids, 1-ethyl-3-methylimidazolium acetate [C2MIM][OAc] and 1-ethyl-3-methylimidazolium octanoate [C2MIM][OOct]. The experimental results point to the formation of different types of aggregates in each ionic liquid. These aggregates are small and stable under flow and temperature in [C2MIM][OAc], whereas the aggregates are la ...[more]

PMID: 28827729

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