A superoleophobic surface has been achieved by modeling surface morphology and reducing surface energy. A meta-stable Cassie-Baxter model, which describes the transition from a Cassie-Baxter surface to a Wenzel surface caused by the local minimization of surface free energy due to air pockets inside the rough structure, has been used to account for the superoleophobic effect. Under the guidance of AFRL, Natick Soldier RD&EC, and Defense Science and Technology Laboratory ...
This research deals with creating a superhydrophobic/superoleophobic surface by preparing a metastable Cassie -Baxter (CB) surface. To create a CB surface it is essential to have low surface energy and properly constructed surface morphology. We have explored three different techniques to achieve superhydrophobicity and superoleophobicity using hydroentangled nylon nonwoven fabric: pulsed plasma polymerization of 1H,1H,2H,2Hperfluorodecyl acrylate (PFAC8), microwave-assisted condensation of 1H,1H,2H,2H-perfluorodecyltrimethoxysilane (FS), and FS condensation through wet processing. Nonwoven fabric ...
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