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Abstract

Process for producing multilayer composite structures, which comprises carrying out the following operations in succession:

(a) use of power-modulated laser engraving to provide, to a female or male mold, a surface structure in the form of an image or of a pattern, where this has at least one element (D) which is not a geometric element, not a numeral, and not a letter, and where, within the surface structure, there are differences in screen angles, in depression depth, or in taper values,(b) optional molding of a female mold from the male mold,(c) spray-application of a plastics formulation onto the female mold, where the temperature of the female mold is in the range from 50 to 200° C.,(d) solidification of the plastics formulation to give a film,(e) bonding the film to a substrate (A),(f) and removal of the mold,where the operations (e) and (f) can be carried out in any desired sequence.

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First Claim