Surfactant-polymer interactions in freely suspended lyotropic films

Oleg Krichevsky, Joel Stavans

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

We present results of an experimental study of surfactant-polymer interactions in free-standing soap films. The relaxation of thermally induced corrugations of the surfactant monolayers comprising a film is studied by reflectivity and light-scattering methods. Our data show that polymers influence the thickness of the equilibrium state of a soap film and lead to the creation of new metastable states of larger thickness. The overall behavior is consistent with a picture in which chains form depletion layers near the surfactant walls, inducing an attractive interaction between the monolayers at large polymer concentrations.

Original languageEnglish
Pages (from-to)696-699
Number of pages4
JournalPhysical Review Letters
Volume73
Issue number5
DOIs
StatePublished - 1 Jan 1994
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (all)

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