Flexible microstructured superhydrophobic materials

Details Flexible microstructured superhydrophobic materials Flexible microstructured superhydrophobic materials

B - Operations, Transporting

81

C

B81C 1/00 (2006.01) B63B 1/34 (2006.01) B81B 3/00 (2006.01) B81B 7/00 (2006.01)

Patent

CA 2752798

Described herein are flexible superhydrophobic films. Also described are methods for imparting superhydrophobicity to a variety of objects, for example objects having any shape or surface contours. For specific applications, the flexible superhydrophobic films include an adhesive backing layer, useful for attaching the film to objects. Some of the films described herein allow for selective control over the wettability of a surface by flexing the film, for example flexing the film results in a more wettable film, a less wettable film or a film having unchanged wettability. Flexible superhydrophobic films described herein also include films which maintain their superhydrophobicity when deformed into a concave or convex curvature.

L'invention porte sur des films super-hydrophobes souples. L'invention porte également sur des procédés pour communiquer une super-hydrophobicité à une variété d'objets, par exemple des objets ayant n'importe quelle forme ou n'importe quels contours de surface. Pour des applications spécifiques, les films super-hydrophobes souples comprennent une couche de support adhésive, utile pour fixer le film à des objets. Certains des films décrits par les présentes permettent une régulation sélective de l'aptitude au mouillage d'une surface en fléchissant le film, par exemple la flexion du film permet d'obtenir un film plus mouillable, un film moins mouillable ou un film ayant une aptitude au mouillage inchangée. Les films super-hydrophobes souples décrits par les présentes comprennent également des films qui conservent leur super-hydrophobicité lorsqu'ils sont déformés en une courbure concave ou convexe.

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