Inertization of material surfaces by functionalized perfluorinated molecules
AssigneeTechnische UniversitäT Berlin
InventorsKonstanze Schäfer, Astrid John-Müller, Stefanie Maike Krämer
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Abstract
A method for rendering material surfaces, inert is provided. Exemplary surfaces include ceramic, metal or plastic surfaces. The method is accomplished with functionalized perfluorinated compounds for the formation of hyperhydrophobic structures on the surfaces to create inert surfaces. The inert surfaces produced or can be produced in this way have an extremely low surface energy, are resistant to deposits of substances or cells and have a very low coefficient of friction. Practical uses of the inert surfaces are also provided.
Claims6
A method for rendering material surfaces inert, comprising:
- a) provision of a material surface, where the material surface is ceramic surface, a metal surface, a glass surface, or a plastic surface;
- b) providing a functionalized perfluorinated compound, where the functionalized a perfluorinated compound comprises a perfluorinated compound and a functional group, the functionalized perfluorinated compound is selected from the group consisting of C2F5I, C3F7Br, C4F9I, C5F11Br, C6F13Br, C8F15Br, C4F9CH═CHC4F9, C8F16C12, C10F19N, C6F19Br, C9F21N, C10F21Br, C11F22N2O2, C6F13CH═CHC6F13, C12F27N, C16F25Br, C8F17I and C8F17Br;
- c) direct reaction of the functionalized perfluorinated compound with the surface to form a covalent bond, an ionic relationship or a metal bond between the perfluorinated compound and the material surface, wherein the surface is pre-activated prior to the step c);
- and
- wherein the pre-activation takes place by acid, laser, corona, or ozone treatment, wherein different activation takes place for partial areas of the material surface.
Dependencies are inferred from the claim text.