Online refraction anti-counterfeiting printing method

Abstract

The invention relates to an online refraction anti-counterfeiting printing method, which is achieved by the following steps: printing and adopting reverse glazing bottom oil and reverse glazing face oil on a printing surface; carrying out reverse crosslinking curing reaction under irradiation of an ultraviolet light, and forming a stereoscopic effect, wherein a color cell of the printer is adopted by the printing of the reverse glazing bottom oil, and dark fringes are added to the printed pattern. The online refraction anti-counterfeiting printing method has the beneficial effects that a refined refraction anti-counterfeiting pattern is produced by the high-definition reverse glazing technology, and the dark fringes which cannot be distinguished by naked eyes are formed and can be seen through a decoding sheet, thereby greatly improving the anti-counterfeiting security of package.

Description

technical field [0001] The invention relates to an anti-counterfeit printing method, in particular to an in-line refraction anti-counterfeit printing method. Background technique [0002] The refraction anti-counterfeiting of the prior art is done by methods such as refraction bronzing and screen printing, which are technically backward, poor in fineness, easy to forge, and low in production efficiency. [0003] The so-called refraction hot stamping is to use the electronically engraved refraction hot stamping plate for hot stamping, which can have a refraction effect, but the hot stamping accuracy is not high and the effect is not good. [0004] The so-called screen printing is to use screen printing refraction ink on the printed matter to produce a refraction effect, but the cost is high and the production speed is slow. Contents of the invention [0005] The technical problem to be solved by the present invention is to provide an in-line refraction anti-counterfeiting ...

AI Technical Summary

Problems solved by technology

[0002] The refraction anti-counterfeiting in the prior art is done by refraction bronzing, screen printing and other methods, which is backward in technology, poor in fineness, easy to forge, and low in production efficiency

[0003] The so-called refraction hot stamping is to use the electronically engraved refraction hot stamping plate for hot stamping, which can have a refraction effect, but the hot stamping accuracy is not high and the effect is not good

[0004] The so-called screen printing is to use screen printing refraction ink on the printed matter to produce refraction effect, but the cost is high and the production speed is slow