Structured surfaces having hydrophobic properties

Details Structured surfaces having hydrophobic properties Structured surfaces having hydrophobic properties

C - Chemistry, Metallurgy

08

J

C08J 7/04 (2006.01) B05D 5/08 (2006.01) B08B 17/06 (2006.01) B29C 59/02 (2006.01) C09D 127/12 (2006.01) C09D 183/00 (2006.01) G03F 7/00 (2006.01)

Patent

CA 2260470

Disclosed is an article having a structured surface, wherein the structured surface has protuberances having an average height of 50 nm to 10 µm and an average spacing of 50 nm to 10 µm and the structured surface is made of a material which is hydrophobic to such an extent that the material has, when unstructured, a surface energy of 10 to 20 mN/m. The surface has a large contact angle with water, is hardly wetted by water and therefore has a self-cleaning effect. Also disclosed are processes for the production of the article.

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