Aggregation behavior of morpholinium surfactants in the presence of organic electrolytes |
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| Authors: | A. B. Mirgorodskaya F. G. Valeeva S. V. Zakharov D. A. Kuryashov N. Yu. Bashkirtseva L. Ya. Zakharova |
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| Affiliation: | 1.A. E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center,Russian Academy of Sciences,Kazan,Russian Federation;2.Kazan National Research Technological University,Kazan,Russian Federation |
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| Abstract: | It was shown that the addition of organic electrolytes to aqueous solutions of morpholinium surfactants facilitates micellization, reduces the micellar surface potential, increases the hydrodynamic diameter of micelles and favors the formation of cylindrical micelles which behave as pseudoplastic fluids. At low shear rates, the viscosity is extremely large and changes insignificantly, and it decreases sharply with increase in shear rate. Significant decrease in viscosity upon the increase in shear deformations indicates the orientation of cylindrical micelles along the direction of the flow with the increase in shear rate. |
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