Wetting in a colloidal liquid-gas system

W.K. Wijting, N.A.M. Besseling, M.A. Cohen Stuart

Research output: Contribution to journalArticleAcademicpeer-review

47 Citations (Scopus)

Abstract

We present first observations of wetting phenomena in depletion interaction driven, phase separated colloidal dispersions (coated silica-cyclohexane-polydimethylsiloxane). The contact angle of the colloidal liquid-gas interface at a solid substrate (coated glass) was determined for a series of compositions. Upon approach to the critical point, a transition occurs from partial to complete wetting.
Original languageEnglish
Pages (from-to)196101/1-196101/4
JournalPhysical Review Letters
Volume90
DOIs
Publication statusPublished - 2003

Keywords

  • polymer mixtures
  • phase-behavior
  • silica dispersions
  • light-scattering

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