AI Article Synopsis
- The study focuses on how polymer solutions dry on a solid surface, specifically looking at the slow evaporation of the solvent.
- A model is introduced to predict the final shape of the dried film, highlighting how initial conditions affect the outcome.
- The research identifies different final shapes—craterlike or basinlike—based on these conditions and provides diagrams to illustrate the relationship between parameters in various scenarios.
Article Abstract
Drying processes of polymer solutions on a solid substrate enclosed by bank are studied in the slow limit of the solvent evaporation. A simple model is proposed to examine the final shape of the film after drying. Analytical expressions of the final shape in terms of the initial parameters are obtained. It is shown that the craterlike and basinlike shapes appear as final shapes of the film depending on the initial parameters. The "shape diagrams" which show parameter dependence of the final shape are presented in the absence/presence of diffusion. The final shape of the film in the geometry without bank is also discussed.
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| http://dx.doi.org/10.1103/PhysRevE.80.021603 | DOI Listing |
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