Water repellent surface treatment

Details Water repellent surface treatment Water repellent surface treatment

C - Chemistry, Metallurgy

09

K

C09K 3/18 (2006.01) B05D 5/08 (2006.01) C03C 17/00 (2006.01) C03C 17/30 (2006.01) C03C 17/32 (2006.01)

Patent

CA 2049632

The purpose of the invention is to provide a durable, non-wetting surface on a metal, polymeric or inorganic coated substrate. The construction of the invention is a metal, polymeric or inorganic coated substrate, the surface of which is treated with a perfluoroalkyl alkyl silane and a fluorinated olefin telomer. The remarkable effects of the invention are high water repellancy and high lubricity provided by the perfluoroalkylsilane, which bonds to the substrate surface, and the fluorinated olefin telomer, respectively The invention encompasses both an article with a surface treated in accordance with the invention, and a method of producing such an article.

L'invention vise à procurer une surface durable, non mouillante, à un substrat métallique, polymère ou inorganique, enduit. Elle concerne un substrat métallique, polymère ou inorganique, enduit, dont la surface a été traitée à l'aide d'un (perfluoroalkyl)alkylsilane et d'un télomère oléfinique fluoré. Les effets remarquables obtenus à l'aide de cette invention sont une hydrophobicité et une lubrification importantes obtenues respectivement grâce au perfluoroalkylsilane, qui se lie à la surface du substrat, et au télomère oléfinique fluoré. Cette invention concerne à la fois un article, dont la surface a été traitée selon la méthode susmentionnée, et une méthode pour produire un tel article.

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