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4. Characterizing the wettability of superhydrophobic and superoleophobic surfaces
4.1 Background and context
As previously announced, the wettability of superhydrophobic or superoleophobic surfaces is commonly, and in most cases, assessed by the drop-on-drop method. As already described above, a low-wetting surface is characterized by high contact angles and low wetting hysteresis. However, in some extreme cases, contact angles are very high (to the point of being difficult to measure, or with a high experimental error). ) and very low to zero hysteresis. From an experimental...
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Characterizing the wettability of superhydrophobic and superoleophobic surfaces
Conclusion
Bibliography
Standards and norms
- Standard Test Methods for Surface and Interfacial Tension of Solutions of Paints, Solvents, Solutions of Surface-Active Agents, and Related Materials. - ASTM D 1331 -
- Standard performance specification for rainwear and all–purpose, water–repellent coat fabrics. - ASTM D 7017 - janvier 2014
- Étoffes : détermination de la résistance au mouillage superficiel (essai d'arrosage). - NF EN ISO 4920 - janvier 2013 ...
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