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Wetting in a Colloidal Liquid-Gas System
2003
Physical Review Letters
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.
doi:10.1103/physrevlett.90.196101
pmid:12785958
fatcat:3lwotr5lmbevlcrxuztky5w7jy