Rheological Behavior of Aqueous Solutions of An Ionic Liquid As A Surfactant

Ali PingShandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng, Shandong, P. R. China

Peipei GengShandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng, Shandong, P. R. China

Junhong ZhangShandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng, Shandong, P. R. China

Jie LiuShandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng, Shandong, P. R. China

Dezhi SunShandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng, Shandong, P. R. China

Xudong ZhangShandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng, Shandong, P. R. China

Qingxia LiShandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng, Shandong, P. R. China

Jifeng LiuShandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng, Shandong, P. R. China

Xilian WeiShandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng, Shandong, P. R. ChinaCorrespondence[email protected] [email protected]

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Abstract

The rheological properties of aqueous solutions of an ionic liquid as a surfactant, 1-tetradecyl-3-methylimidazolium bromide (C₁₄mimBr), in the presence of sodium salicylate (NaSal), have been studied by rheological measurements. For these C₁₄mimBr/NaSal systems, zero-shear viscosity as a function of NaSal concentration shows the maxima behavior. The effect of the concentration ratio, C_NaSal/C_C14mimBr, on the maximum was determined, and the scaling relations were obtained. Network structures could be formed in the aqueous C₁₄mimBr solutions containing NaSal. ¹H NMR spectra analysis indicates that the main interaction between C₁₄mimBr and NaSal molecules is electrostatic attraction, which leads to the formation of an ion pair.

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Rheological Behavior of Aqueous Solutions of An Ionic Liquid As A Surfactant

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Rheological Behavior of Aqueous Solutions of An Ionic Liquid As A Surfactant

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