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

Research output: Contribution to journalArticlepeer-review


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 languageEnglish
Pages (from-to)445-451
Number of pages7
JournalJournal of Surfactants and Detergents
Issue number2
StatePublished - 1 Mar 2017

Bibliographical note

Publisher Copyright:
© 2017, AOCS.


  • Lamellar phase
  • Rheology
  • SDS surfactant
  • Shear-induced transition
  • Sponge phase


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