Process and device for the control of the wetting behaviour...

C - Chemistry – Metallurgy – 23 – F

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204/110, 204/119

C23F 13/04 (2006.01) B41F 13/00 (2006.01) B41F 21/00 (2006.01) B41F 22/00 (2006.01) B41F 35/00 (2006.01) B41N 3/08 (2006.01) C23F 13/06 (2006.01)

Patent

CA 2035118

A-704 23.02.1990 - 14 - gr25010 ABSTRACT The object of the present invention is to propose a process and a device that make it possible to control the wetting behaviour of metal surfaces. For this purpose, an electrolyte (18) is applied to the surface of a passivatable metal. A voltage is applied between electrolyte (18) and metal, said voltage being rated as a function of the respective metal such that an oleophilic (hydrophobic) or an oleophobic (hydrophilic) surface state is obtained. Fig. 2

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