Printing method for increasing code spraying adhesive force of gloss oil surface
A technology of surface strengthening and printing method, applied in the directions of printing, post-processing of printing, copying/marking method, etc., can solve the problems of affecting the appearance of printed matter, affecting the recognition of two-dimensional code, easy falling off of inkjet layer, etc., to improve market competition The effect of high strength, low cost of improvement and high stability
Inactive Publication Date: 2020-04-03
东莞市信彩包装有限公司
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Problems solved by technology
The existing technology is to print the inkjet on the surface of the printed product after oiling. The existing inkjet method will lead to poor adhesion, and the inkjet layer is easy to fall off during the circulation process of the product, thus affecting the recognition of the two-dimensional code. , and affect the appearance of printed matter
Of course, in order to enhance the adhesion, people also perform surface improvement operations such as plasma treatment on the surface of the oiled printed matter, but these improvement methods need to increase and invest more manpower and material resources, which greatly increases the cost; the existing improvement methods are still There are unstable defects, which can easily cause problems such as low yield
Method used
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[0013] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings.
[0014] The printing method of the present invention for enhancing the adhesion of inkjet codes on the surface of varnish can make the two-dimensional codes maintain a firm adhesion effect after spraying the two-dimensional codes on the surface of the product coated with UV varnish, which is clear and not easy fall off.
[0015] A kind of varnish surface of the present invention strengthens the printing method of inkjet code adhesion, such as figure 1 As shown, the method includes:
[0016] Step 1 of S101, spraying ink on the flat product, performing offset printing and cold transfer of pattern embossing;
[0017] Step 2 of S102, coating the diluent on the surface of the planar product after offset printing;
[0018] Step 3 of ...
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Abstract
The invention discloses a printing method for increasing code spraying adhesive force of a gloss oil surface. The printing method comprises the steps: 1, ink is sprayed on a plane product, and offsetprinting and laser pattern impressing cold transferring are conducted; 2, the surface of the plane product subjected to offset printing is coated with a diluent; 3, the plane product coated with the diluent is subjected to UV drying; and 4, the surface of the dried plane product is subjected to code spraying printing. According to the printing method for increasing the code spraying adhesive forceof the gloss oil surface, white ink printing is completed during offset printing, then diluent coating is conducted, then the diluent is subjected to UV light treatment, thus surface tension of glossoil is changed, subsequent code spraying printing has the larger adhesive force, compared with the prior art, higher stability is achieved, the higher quality requirement is achieved, and falling isnot prone to occurring.
Description
technical field [0001] The invention relates to a printing process, in particular to a printing method for obtaining a varnish surface with a pattern that is not easy to fall off on a smooth base oil and enhancing the inkjet adhesion. Background technique [0002] At present, two-dimensional codes have been widely used in the appearance of various packaging products, and printing two-dimensional codes on the surface of printed products as packaging printed matter has become the norm in packaging printing. For packaging printed matter, UV varnish or water oil is usually applied on the surface of the printed matter in order to print beautifully and protect the ink layer. The existing technology is to print the inkjet on the surface of the printed product after oiling. The existing inkjet method will lead to poor adhesion, and the inkjet layer is easy to fall off during the circulation process of the product, thus affecting the recognition of the two-dimensional code. , and af...
Claims
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IPC IPC(8): B41M1/06B41M5/00B41M7/00
CPCB41M1/06B41M5/0047B41M7/0081
Inventor 黄伟立
Owner 东莞市信彩包装有限公司