Polymer-induced wetting transitions in liquid films

Marcelo Carignano, Rachel Yerushalmi-Rozen, Nily Dan

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Using the single chain mean field (SCMF) theory we investigate the effect of soluble polymer chains on the surface tension between a solid surface and liquid films. We find that end-grafted chains (brush) strongly reduce the surface tension between a liquid and an incompatible solid. This reduction is insensitive to the type and strength of monomer-solid interactions. Free chains reduce the surface tension between the liquid and the solid only if the monomer-solid interaction is attractive. Combining free and densely end-grafted chains is found to inhibit wetting, due to an inherent incompatibility between the grafted polymer brush and the free chain solution. Combining free and moderately end-grafted chains is found to enhance wetting if the monomer-surface interactions are attractive. These predictions are in good agreement with the experiments of Yerushalmi-Rozen et al.

Original languageEnglish
Pages (from-to)3453-3460
Number of pages8
JournalMacromolecules
Volume33
Issue number9
DOIs
Publication statusPublished - 2 May 2000
Externally publishedYes

Fingerprint

Liquid films
Wetting
Polymers
Surface tension
Monomers
Brushes
Mean field theory
Liquids
Experiments

ASJC Scopus subject areas

  • Materials Chemistry

Cite this

Polymer-induced wetting transitions in liquid films. / Carignano, Marcelo; Yerushalmi-Rozen, Rachel; Dan, Nily.

In: Macromolecules, Vol. 33, No. 9, 02.05.2000, p. 3453-3460.

Research output: Contribution to journalArticle

Carignano, M, Yerushalmi-Rozen, R & Dan, N 2000, 'Polymer-induced wetting transitions in liquid films', Macromolecules, vol. 33, no. 9, pp. 3453-3460. https://doi.org/10.1021/ma991092j
Carignano, Marcelo ; Yerushalmi-Rozen, Rachel ; Dan, Nily. / Polymer-induced wetting transitions in liquid films. In: Macromolecules. 2000 ; Vol. 33, No. 9. pp. 3453-3460.
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