Biomimic superhydrophobic surface with high adhesive forces / Jinming Xi in Industrial & engineering chemistry research, Vol. 47 N°17 (Septembre 2008)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 47 N°17 (Septembre 2008) . - p. 6354–6357 Titre : Biomimic superhydrophobic surface with high adhesive forces Type de document : texte imprimé Auteurs : Jinming Xi, Auteur ; Lei Jiang, Auteur Année de publication : 2008 Article en page(s) : p. 6354–6357 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Polydimethylsiloxane surfaces Water contact angle Rose petal--microstructures Adhesive forces Résumé : Superhydrophobic polydimethylsiloxane (PDMS) surfaces that contain microbinary and nanobinary structures with a water contact angle (CA) of >150° are created by duplicating the microstructures of a rose petal. The resulting surface has the same microstructures and high adhesive property as a rose petal; the water CA of the surface is as high as 154.3°. Interestingly, this surface can hold water droplets through the use of very strong adhesive forces, and the maximum adhesive force is ~63.8 μN. Furthermore, the resulting surface has another important property; it shows superhydrophobic property in a wide range of pH values from 1.07 to 13.76. Therefore, it is believed that the as-prepared surface can be used in the fabrication of chemical engineering materials, microfluidic devices, and the transportation of a small amount of corrosive liquids. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie071603n [article] Biomimic superhydrophobic surface with high adhesive forces [texte imprimé] / Jinming Xi, Auteur ; Lei Jiang, Auteur . - 2008 . - p. 6354–6357. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 47 N°17 (Septembre 2008) . - p. 6354–6357 Mots-clés : Polydimethylsiloxane surfaces Water contact angle Rose petal--microstructures Adhesive forces Résumé : Superhydrophobic polydimethylsiloxane (PDMS) surfaces that contain microbinary and nanobinary structures with a water contact angle (CA) of >150° are created by duplicating the microstructures of a rose petal. The resulting surface has the same microstructures and high adhesive property as a rose petal; the water CA of the surface is as high as 154.3°. Interestingly, this surface can hold water droplets through the use of very strong adhesive forces, and the maximum adhesive force is ~63.8 μN. Furthermore, the resulting surface has another important property; it shows superhydrophobic property in a wide range of pH values from 1.07 to 13.76. Therefore, it is believed that the as-prepared surface can be used in the fabrication of chemical engineering materials, microfluidic devices, and the transportation of a small amount of corrosive liquids. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie071603n

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