Confinement of linear polymers, surfactants, and particles between interfaces

Research output: Contribution to journalJournal article – Annual report year: 2010Researchpeer-review

Without internal affiliation

  • Author: von Klitzing, R.

    Technische Universität Berlin, Germany

  • Author: Thormann, Esben

    KTH - Royal Institute of Technology

  • Author: Nylander, T.

    Lund University, Sweden

  • Author: Langevin, D.

    Universite Paris-Sud, France

  • Author: Stubenrauch, C.

    University College Dublin, Ireland

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The review addresses the effect of geometrical confinement on the structure formation of colloidal dispersions like particle suspensions, (non)micellar surfactant solutions, polyelectrolyte solutions and mixed dispersions. The dispersions are entrapped either between two fluid interfaces (foam film) in a Thin Film Pressure Balance (TFPB) or between two solid interfaces in a Colloidal Probe Atomic Force Microscope (Colloidal Probe AFM) or a Surface Force Apparatus (SFA). The oscillating concentration profile in front of the surface leads to an oscillating force during film thinning. It is shown that the characteristic lengths like the distance between particles, the distance between micelles, or the mesh size of the polymer network remain the same during the confining process. The influence of different parameters like ionic strength, molecular structure, and the properties of the outer surfaces on the structure formation are reported. The confinement of mixed dispersions might lead to phase separation and capillary condensation, which in turn causes a pronounced attraction between the two opposing film surfaces.
© 2010 Elsevier B.V. All rights reserved.
Original languageEnglish
JournalAdvances in Colloid and Interface Science
Volume155
Issue number2-2
Pages (from-to)19-31
ISSN0001-8686
DOIs
Publication statusPublished - 2010
Externally publishedYes
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • Linear polymers, Surfactants, Thin liquid films, Structure formation under confinement, Structural forces, Stratification
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