期刊
COLLOID AND POLYMER SCIENCE
卷 294, 期 5, 页码 833-840出版社
SPRINGER
DOI: 10.1007/s00396-016-3836-4
关键词
Wetting transitions; Pinning force; Microstructures surfaces
资金
- National Natural Science Foundation of China [51176123]
- Specialized Research Fund for the Doctoral Program of Higher Education [20103120120006]
- Shanghai Natural Science [11ZR1424800]
Understanding the physical mechanism of wetting transitions is crucial for the design of highly stable superhydrophobic materials. Wetting transitions from Cassie state to Wenzel state on microstructured surfaces were investigated in this article. The pinning force tau was introduced to establish a new mechanical equilibrium, obtaining the model of critical pressure p (c) of Cassie-Wenzel wetting transition and the model was qualitatively verified by performing a series of experiments. Using the model of p (c) and experimental data, the pinning force tau on different microstructured surfaces was obtained.
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