FIELD: technological processes.
SUBSTANCE: invention relates to surface-modified materials, a process for their preparation and their use. Such method of producing a surface modified material comprises preparing a substrate and applying a liquid treatment composition comprising an acid to a region of the coating layer, to form a surface-modified region on and / or within the coating layer.
EFFECT: it is possible to modify the surface properties locally in high resolution and accuracy.
17 cl, 15 dwg, 4 tbl, 3 ex
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