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- Title
Rheology of the Sponge Phase of the SDS-Hexanol-Brine System.
- Authors
Briceño Ahumada, Zenaida Cenorina; Soltero Martínez, J. Félix Armando; Carvajal Ramos, Francisco; Maldonado, Amir
- Abstract
We have studied the rheological properties of the sponge phases (or L) of the sodium dodecyl sulfate (SDS)-hexanol-brine (NaCl 20 g/l) system at different bilayer volume fractions. The most concentrated samples display a Newtonian behavior even at high shear rates, while the more diluted ones depart from it, probably due to a transition from the sponge to a lamellar structure. Two linear variation zones were observed when the viscosity was measured as a function of bilayer volume fraction. The effect of temperature on the rheology of a sample with bilayer volume fraction of 0.024 is discussed, and also how the addition to the system of polyethylene glycol, a water-soluble polymer, affects this transition.
- Subjects
RHEOLOGY; SODIUM dodecyl sulfate; CRYSTALLIZATION; VISCOSITY; POLYETHYLENE glycol analysis; SURFACE active agent analysis
- Publication
Journal of Surfactants & Detergents, 2017, Vol 20, Issue 2, p445
- ISSN
1097-3958
- Publication type
Article
- DOI
10.1007/s11743-017-1930-3