Salt Effects in Free Nonionic Films

Anthonie van den Boomgaard; J. Lyklema

doi:10.1021/la00085a047

Salt Effects in Free Nonionic Films

Anthonie van den Boomgaard
, J. Lyklema

Membrane Science and Technology

Research output: Contribution to journal › Article › Academic

8 Citations (Scopus)

205 Downloads (Pure)

Abstract

The thickness has been measured of macroscopic aqueous films, stabilized by nonionic surfactants consisting of a hydrophobic part and a poly(ethy1ene oxide) moiety. Special attention has been paid to the influence of electrolytes. In the fiis, the surfactants behave like coiled polymers. Addition of electrolytes increases the rate of drainage. As a function of the electrolyte concentration, the equilibrium thickness passes through a maximum. These maxima are similar to those for the Huggins constant for the corresponding micelles.

Original language	Undefined
Pages (from-to)	245-249
Journal	Langmuir
Volume	5
Issue number	1
DOIs	https://doi.org/10.1021/la00085a047
Publication status	Published - 1989

Keywords

IR-59452

Access to Document

10.1021/la00085a047

Boomgaard89salt

Cite this

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title = "Salt Effects in Free Nonionic Films",

abstract = "The thickness has been measured of macroscopic aqueous films, stabilized by nonionic surfactants consisting of a hydrophobic part and a poly(ethy1ene oxide) moiety. Special attention has been paid to the influence of electrolytes. In the fiis, the surfactants behave like coiled polymers. Addition of electrolytes increases the rate of drainage. As a function of the electrolyte concentration, the equilibrium thickness passes through a maximum. These maxima are similar to those for the Huggins constant for the corresponding micelles.",

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AB - The thickness has been measured of macroscopic aqueous films, stabilized by nonionic surfactants consisting of a hydrophobic part and a poly(ethy1ene oxide) moiety. Special attention has been paid to the influence of electrolytes. In the fiis, the surfactants behave like coiled polymers. Addition of electrolytes increases the rate of drainage. As a function of the electrolyte concentration, the equilibrium thickness passes through a maximum. These maxima are similar to those for the Huggins constant for the corresponding micelles.

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U2 - 10.1021/la00085a047

DO - 10.1021/la00085a047

M3 - Article

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JO - Langmuir

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