Usinor

Francois Reniers

Eric Silberberg

Eric Michel

Claudine Buess-Herman

The invention relates to a method of cleaning the surface of a material that is coated with an organic substance. The inventive method is characterized in that it comprises the following steps, consisting in: introducing the material into a treatment chamber, having a pressure of between 10 mbar and 1 bar therein, which is supplied with a gas stream containing at least 90 volume percent of oxygen; and generating a plasma by passing an electric discharge between the surface of the material and a dielectric-covered electrode in order to break down the organic substance under the action of the free radicals O thus produces. The invention also relates to an installation that is used to carry out said method.

Method for the plasma cleaning of the surface of a material coated with an organic substance and the installation for carrying out said method

Method for the plasma cleaning of the surface of a material coated with an organic substance

The invention relates to a method of cleaning the surface of a material () that is coated with an organic substance. The inventive method is characterised in that it comprises the following steps, consisting in: introducing the material () into a treatment chamber (), having a pressure of between 10 mbar and 1 bar therein, which is supplied with a gas stream containing at least 90 volume percent of oxygen; and generating a plasma by passing an electric discharge between the surface of the material and a dielectric-covered electrode () in order to break down the organic substance under the action of the free radicals O thus produced. The invention also relates to an installation () that is used to carry out said method.

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Watermael-Boitsfort, Belgium

Francois Reniers