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Structure of Liquid Films of an Ordered Foam Confined in a Narrow Channel

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Groupe Matière Condensée et Matériaux, UMR CNRS 6626, Université de Rennes I, Campus de Beaulieu, 35042 Rennes Cedex, France, and Sciences Chimiques de Rennes, Ecole Nationale Supérieure de Chimie de Rennes, UMR 6226, Campus de Beaulieu, 35700 Rennes Cedex, France
Cite this: Langmuir 2007, 23, 24, 12055–12060
Publication Date (Web):October 19, 2007
https://doi.org/10.1021/la701738z
Copyright © 2007 American Chemical Society

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    Abstract

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    A bamboo foam is the simplest case of an ordered foam confined in a narrow channel. It is made of a regular film distribution, arranged perpendicularly to the channel. Our work consists of studying the structural properties of several films taken in a drained foam. X-ray experiments highlighted the equality of the equilibrium thickness for each film within a foam. The same thickness was found as by measurements of disjoining pressure isotherms, proving as well that films of a bamboo foam behave like isolated ones. The refinement of X-ray data by a simple model of specular reflectivity showed a significant variation of the electronic distribution of the surfactant layer for a common black film forwarding from one equilibrium state to another. A discussion on the organization of the surfactant molecules to the gas/liquid interface and film is proposed.

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     Université de Rennes I.

     Ecole Nationale Supérieure de Chimie de Rennes.

    *

     Corresponding author. Tel.:  +33 2 23 23 56 46. Fax:  +33 2 23 23 67 17. E-mail:  [email protected].

    Cited By

    This article is cited by 6 publications.

    1. Janine Emile, Martinus H.V. Werts, Franck Artzner, Federico Casanova, Olivier Emile, Julien R.G. Navarro, Florian Meneau. Foam films in the presence of functionalized gold nanoparticles. Journal of Colloid and Interface Science 2012, 383 (1) , 124-129. https://doi.org/10.1016/j.jcis.2012.06.039
    2. Janine Emile, Federico Casanova, Goulc'hen Loas, Olivier Emile. Swelling of a foam lamella in a confined channel. Soft Matter 2012, 8 (27) , 7223. https://doi.org/10.1039/c2sm25321f
    3. Janine Emile, Stéphane Pezennec, Anne Renault, Estelle Robert, Franck Artzner, Cristelle Meriadec, Alain Faisant, Florian Meneau. Protein molecule stratification inside a single curved film: Evidence from X-ray scattering. Soft Matter 2011, 7 (19) , 9283. https://doi.org/10.1039/c1sm06010d
    4. Bertrand Selva, Vincent Miralles, Isabelle Cantat, Marie-Caroline Jullien. Thermocapillary actuation by optimized resistor pattern: bubbles and droplets displacing, switching and trapping. Lab on a Chip 2010, 10 (14) , 1835. https://doi.org/10.1039/c001900c
    5. O. Pitois, N. Louvet, F. Rouyer. Recirculation model for liquid flow in foam channels. The European Physical Journal E 2009, 30 (1) https://doi.org/10.1140/epje/i2009-10502-y
    6. N. Louvet, F. Rouyer, O. Pitois. Ripening of a draining foam bubble. Journal of Colloid and Interface Science 2009, 334 (1) , 82-86. https://doi.org/10.1016/j.jcis.2009.02.042

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