Dynamic contact angles. Part IV. The influence of the solid phase on changes in liquid–solution–solid contact angles with time
- 1 January 1966
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 563-567
- https://doi.org/10.1039/j19660000563
Abstract
Dynamic contact angles have been shown to depend on surface roughness, solvent absorption, and temperature. The amount of surface-active agent adsorbed at the solution–solid interface has been determined and shown to be less than that at the liquid–solution interface. A second-order rate equation has been deduced for the spreading process, indicating that the adsorbed layer of solute molecules is swept from the solid by the liquid. Energies of activation for the spreading process have been calculated for a range of concentration.Keywords
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