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Title: Rheology of lyotropic liquid crystals of aerosol OT III. Effect of salt and hydrocarbons
Author: Robles-Vasquez, O.
Soltero, J.F.A.
Puig, J.E.
Manero, O.
Issue Date: 1994
Abstract: The rheological behavior of AOT/water liquid crystalline phases containing NaCl or decane is examined here. Strong effects are noted on the elastic and loss moduli as well as on the complex and dynamic viscosities, even at low salt or decane content. Lamellar phases behave as weak gels; i.e., G′ and G″ are very weak functions of frequency in the range 10-1-102 rad/s, G′ > G″, and η is proportional to ω+-1$/. These effects are explained in terms of intramolecular and colloidal forces that govern the formation of bilayers and other surfactant fluid microstructures.
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