Adsorption and wetting on moveable walls

P.D. Gallagher and J.V. Maher

Physica A: Statistical Mechanics and its Applications, 1991, vol. 177, issue 1, 489-494

Abstract: Polystyrene latex spheres, colloidally suspended at very low volume fraction in critical and nearcritical mixtures of 2,6-lutidine and water (LW), have been observed to segregate strongly into a complete wetting phase when the LW mixture is placed in its two-phase region near Tc. The wetting temperature, Tw, is observable as that at which colloidal particles abruptly begin to migrate to the meniscus. In the one-phase region near the coexistence temperature, the particles aggregate reversibly through a process which appears to be interpretable as a form of capillary condensation.

Date: 1991
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:177:y:1991:i:1:p:489-494

DOI: 10.1016/0378-4371(91)90191-E

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