Effect of alkyl chain length of imidazolium cations on foam properties of anionic surface active ionic liquids: Experimental and DFT studies

Kehui Hu,Huiwen Zhang,Mengke Kong,Mengyi Qin,Mai Ouyang,Qianwen Jiang,Guowei Wang,Linghua Zhuang

Journal of Molecular Liquids（2021）

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摘要

•[Hmim][C12H25SO4] and [Omim][C12H25SO4] were synthesized and characterized.•CMC values, thermodynamic parameters, and aggregation properties of three anionic SAILs were determined.•Foaming ability, foam stability, and FCI of SAILs were determined using Ross-Miles method.•DFT calculations were used to analyze the structure effect of SAILs on foam properties.

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关键词

Anionic surface active ionic liquids,Surfactant foam enhanced remediation,Foaming ability and foam stability,Foam composite index,DFT calculation

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