Free Access
Issue
J. Chim. Phys.
Volume 96, Number 6, June 1999
Page(s) 968 - 974
DOI https://doi.org/10.1051/jcp:1999183
DOI: 10.1051/jcp:1999183


J. Chim. Phys. Vol. 96, N°6  p. 968-974

Liquid films, foams and emulsions

D. Langevin

Laboratoire de Physique des Solides, Université Paris Sud, bâtiment 510, 91405 Orsay, France

Abstract
Studies of thin liquid films, made from surfactant solutions, are presented. The film drainage and the interaction between film surfaces are characterized with an experimental device called "Thin Film Balance". Cases where film stratification is observed will be discussed. These experiments allow to model thin films which form between bubbles and drops in foams and emulsions respectively.

Résumé
Nous présentons des études de films liquides formés à partir de solutions de tensioactifs. Nous avons étudié le drainage et les forces entre surfaces à l'aide d'un dispositif expérimental appelé "Balance à Films". Dans certains cas, on observe des phénomènes de stratification que l'on décrira. Ces expériences permettent de modéliser les films entre bulles et gouttes que l'on rencontre dans les mousses et les émulsions respectivement.


Key words: thin liquid films -- foams -- emulsions -- disjoining pressure
Contents

© EDP Sciences 1999

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