Method for making local laser metal color on surface of printing material

Abstract

The invention discloses a method for making local laser metal color on the surface of a printing material, and aims to overcome the defects that the conventional whole laser embossing layer influences the local protruding visual effect of a printed matter, and the local laser method has deficient technical means, poor laser effect and low production efficiency. The technical scheme has the key points that: the method comprises the following steps of: coating a release agent on a specific film; printing image-text on a release layer; making the laser embossing layer on the image-text; plating aluminium on the laser embossing layer; gluing the aluminium plating layer; compounding the film and the printing material; peeling the film; and remaining the image-text, the laser embossing layer and the aluminium plating layer on the printing material; and the method is characterized in that: the step of making the laser embossing layer on the image-text comprises the substeps of: intagliating an area range needing the laser embossing layer on a gravure printing device on a cylinder; locally printing UV-cured gloss oil on the image-text; embossing laser grains on a UV-cured gloss oil area by using an embossing device; and curing the UV-cured gloss oil area by using a UV curing device to obtain the local laser embossing layer.

Description

Technical field [0001] The invention relates to a special printing method, specifically a method for producing localized laser metallic colors on the surface of a printing material using a thin film printing transfer method. Background technique [0002] The film printing transfer method is currently a popular method in the printing and packaging industry to produce metallic graphics or non-graphics on the surface of printing materials. The steps are generally as follows: using oriented polypropylene film (OPP film) or polyethylene terephthalate Films such as ester film (PET film) → Coat a release layer on the film → Print graphics and text on the release layer → Aluminize the entire surface on the graphics and text → Apply glue on the aluminum layer → Apply glue to one side of the film Composite with the printing material → peel off the top layer of film → leave the aluminum layer and graphics on the printing material to achieve the purpose of printing transfer. In the pro...

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the existing method of producing laser metallic color on the surface of the printing material by the film printing transfer method, the entire layer of laser embossing layer affects the prominent visual effect of some parts of the printed matter that need to be highlighted, in order to pursue a newer aesthetic printed matter, and The existing idea of ​​achieving partial laser effect is due to the lack of feasible technical means, poor laser effect, low production efficiency and does not meet the requirements of high-speed continuous operation. The method can overcome the defects of the prior art