Adsorption of associating fluids on solid surfaces: wetting transition from density functional theory

Article Abstract:

Adsorption of associating hard spheres and particles interacting through the Lennard-Jones potential at a Lennard-Jones adsorbing wall was investigated through density functional theory. A model of association with one site per particle was examined. A Monte Carlo simulation was conducted in the canonical ensemble for a Lennard-Jones associating fluid at high temperatures and for hard associating spheres. Then, the effect of association on the wetting properties of the fluid-solid interface was examined. Findings showed that the prewetting transition is associating systems is very much affected by the association processes.

Usage, Adsorption, Density functionals, Density functional theory

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Wetting behavior of pentane on water

Article Abstract:

The peculiarities of wetting behavior and temperature evolution of pentane on the top of water substrate as a result of joint action of two mechanisms of surface forces such as van der Waals and image charge interactions is demonstrated. This provides the plausible explanation of the temperature dependence of wetting in the system under consideration.

Industrial Organic Chemicals, Cyclic Crude and Intermediate Manufacturing, Pentanes, Chemical reactions, Pentane

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Wetting and electrowetting properties of carbon nanotube templated parylene films

Article Abstract:

The wetting and electrowetting properties of a planar parylene (poly(p-xylylene)) film are compared to those of a nanostructured parylene film. The results have shown that engineering a nanoscale roughness structure to a polymer film has resulted in some major changes to the wetting and electrowetting properties of the polymer.

Plastics Material and Resin Manufacturing, Plastics materials and resins, Thermoplastic Resins, Electric properties, Pyrolysis, Thermoplastics, Nanotubes

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