Method of coating
A method of coating well defined discrete areas of a flexible substrate in a continuous roll to roll manner with a coating composition comprising more than one distinct layer. The layers are coated simultaneously. The method comprises the steps of creating a lyophobic or lyophilic surface pattern on...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | A method of coating well defined discrete areas of a flexible substrate in a continuous roll to roll manner with a coating composition comprising more than one distinct layer. The layers are coated simultaneously. The method comprises the steps of creating a lyophobic or lyophilic surface pattern on the substrate, a desired pattern of lyophilic or lyophobic areas being left, overcoating the created surface pattern with the layers of the coating composition, the layers of the composition withdrawing from the lyophobic areas and collecting on the lyophilic areas, the surface tension of the lowermost layer of the coating composition being greater than the surface tension in the layer above it. |
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