Composite, ordered material having sharp surface features

Details Composite, ordered material having sharp surface features Composite, ordered material having sharp surface features

C - Chemistry, Metallurgy

03

C

C03C 11/00 (2006.01) B05D 5/08 (2006.01) C03C 15/00 (2006.01) C03C 17/28 (2006.01)

Patent

CA 2575145

A composite article includes a support layer (16) having a first composition including a recessive phase material and a protrusive phase material, and a plurality of spaced apart microscale sharp surface features (18) integrated with the support layer and protruding from a surface of the support layer (16). At least a distal end of the nanostructured features consist essentially of the protrusive phase material. The sharp surface features can be coated to make the surface super-hydrophobic.

Selon l'invention, un article composite comprend une couche de support (16) contenant une première composition qui renferme une matière à phase récessive et une matière à phase protrusive, et une pluralité de détails de surface nets de petite échelle séparés (18) intégrés à la couche de support et ressortant en saillie d'une surface de la couche de support (16). Au moins une extrémité distale des détails nanostructurés se compose essentiellement de la matière à phase protrusive. Les détails de surface nets peuvent être recouverts de façon à rendre la surface super-hydrophobe.

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