FIELD: manufacturing technology.
SUBSTANCE: invention relates to production of porous substrate with textured image comprising hidden colour images, by forming hydrophobic images on a hydrophilic surface, characterised by that in a porous substrate, structural channels are formed in form of an image, using hydrophobic solution for printing, which does not contain a dye, wherein coloured area is applied on back surface of porous substrate. Furthermore, present invention relates to said porous substrate with textured image and to a method of transforming said image into visible state.
EFFECT: disclosed is a method of producing porous substrate with textured image.
20 cl, 7 dwg
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