Rheology of the Sponge Phase of the SDS–Hexanol–Brine System

Zenaida Cenorina Briceño Ahumada; J. Félix Armando Soltero Martínez; Francisco Carvajal Ramos; Amir Maldonado

doi:10.1007/s11743-017-1930-3

Rheology of the Sponge Phase of the SDS–Hexanol–Brine System

Zenaida Cenorina Briceño Ahumada, J. Félix Armando Soltero Martínez, Francisco Carvajal Ramos, Amir Maldonado^*

^*Corresponding author for this work

Departamento de Física

Research output: Contribution to journal › Article › peer-review

Abstract

We have studied the rheological properties of the sponge phases (or L₃) 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.

Original language	English
Pages (from-to)	445-451
Number of pages	7
Journal	Journal of Surfactants and Detergents
Volume	20
Issue number	2
DOIs	https://doi.org/10.1007/s11743-017-1930-3
State	Published - 1 Mar 2017

Bibliographical note

Publisher Copyright:
© 2017, AOCS.

Keywords

Lamellar phase
Rheology
SDS surfactant
Shear-induced transition
Sponge phase

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10.1007/s11743-017-1930-3

Cite this

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abstract = "We have studied the rheological properties of the sponge phases (or L3) 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.",

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T1 - Rheology of the Sponge Phase of the SDS–Hexanol–Brine System

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AU - Carvajal Ramos, Francisco

AU - Maldonado, Amir

PY - 2017/3/1

Y1 - 2017/3/1

N2 - We have studied the rheological properties of the sponge phases (or L3) 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.

AB - We have studied the rheological properties of the sponge phases (or L3) 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.

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KW - Rheology

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KW - Shear-induced transition

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DO - 10.1007/s11743-017-1930-3

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JO - Journal of Surfactants and Detergents

JF - Journal of Surfactants and Detergents

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ER -

Rheology of the Sponge Phase of the SDS–Hexanol–Brine System

Abstract

Bibliographical note

Keywords

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