Hot stamping technique

A technology of craft and bronzing plate, which is applied in craft and decorative arts for producing decorative surface effects, and can solve the problems of dust sticking, blocked varnish process, time waste, etc., and achieves the effect of saving energy

Inactive Publication Date: 2017-11-28
郑州华美彩印纸品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the existing hot stamping process, it is generally used to apply the varnish after hot stamping. However, due to the poor hot stamping effect in the hot stamping process, the color of the base paper of the substrate is exposed, and the varnish is transferred to the substrate. The dust in the air is easy to stick to the surface of the hot stamping pattern, which will cause the process of varnish to be blocked, and in the process of embossing hot stamping, because the pattern formed when the hot stamping is completed is uneven, it is easy to cause varnish The accumulation of small varnish particles at the concave point of the pattern or the formation of small particles of varnish on the edge of the pattern will affect the spraying effect; in the existing hot stamping process, the hot stamping plate is generally installed directly on the hot stamping machine. Uninstallation and installation at one time and direct installation on the hot stamping machine make installation inconvenient and lead to waste of time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A hot stamping process, comprising the steps of:

[0031] 1) According to the material used for the carrying surface of the carrying object to be hot stamped, select an anodized aluminum foil that matches the material used for the carrying surface of the carrying object;

[0032] 2) In a vacuum environment, use a varnish sprayer to spray a varnish pattern on the bearing surface of the carrier, and then use UV light to spray the varnish pattern, and stop the UV light when the solid content of the varnish is 80%; The adhesive layer can be well adhered to the varnish and will not cause the varnish to be pulled off from the substrate; when the solid content of the varnish is 80%, stopping the UV light can save energy; in a vacuum environment In the process of spraying varnish and varnish drying, the dust in the air will not adhere to the varnish, so that the surface of the dried varnish is smooth and it is convenient for the anodized aluminum foil to quickly adhere to the s...

Embodiment 2

[0041] On the basis of Example 1, the technical solution of this embodiment is: the process parameters described in step 6) include the temperature of the hot stamping plate, the pressure applied by the hot stamping plate, the contact time between the hot stamping plate and the aluminum oxide foil, and the aluminum oxide foil and the substrate transmission speed. The temperature of the hot stamping plate is 130-145°C; the pressure applied by the hot stamping plate is 15-20MPa, the contact time between the hot stamping plate and the aluminum oxide foil is 0.8s-1s, the transmission speed of the aluminum oxide foil is 3m / s, and the The transmission speed is 1500 sheets / hour.

[0042]The temperature of the hot stamping plate is 130-145°C; the pressure applied by the hot stamping plate is 15-20 MPa, so that the peeling layer of the anodized aluminum foil can be peeled off from the PET layer quickly and the adhesive layer can be quickly melted and bonded to the substrate; the hot st...

Embodiment 3

[0044] On the basis of Example 1, the technical solution of this example is: step 5) the anodized aluminum foil includes a PET layer, a peeling layer, a sealing layer, a colored layer, an aluminum layer and an adhesive layer arranged in sequence from top to bottom; The sealing layer is a film made of high-density polyethylene; the adjacent two of the sealing layer, the color layer, the aluminum layer and the adhesive layer are connected by a PVC crosslinking agent; Carbon nanotubes, the wall thickness of carbon nanotubes is 10-15nm.

[0045] A sealing layer is set between the peeling layer and the color layer, and the sealing layer forms a dense protective layer around the color layer, which prevents the oxygen in the air or the corrosive substances in the rainwater from reacting with the pigment in the color layer to form colorless or other After the color substance and the pigment in the color layer are avoided, the oxygen in the air or the corrosive substances in the rainwa...

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Abstract

The invention discloses a hot stamping technique, and belongs to the technical field of printing. The hot stamping technique comprises the following steps that (1) proper electric aluminum foil is selected according to the material of a printed article; (2) in a vacuum environment, a gloss oil pattern is sprayed on the printed article, and UV curing is conducted; (3) a hot stamping plate is mounted on a honeycomb plate; (4) the honeycomb plate and the hot stamping plate are mounted at corresponding positions of a hot stamping machine; (5) the electric aluminum foil is mounted; (6) hot stamping technological parameters are set and the honeycomb plate is preheated to the temperature of 110 DEG C firstly, and then hot stamping is conducted on the printed article obtained in the step (2); (7) trial stamping is conducted, and the parameters are adjusted according to a hot stamping result till a product is qualified; (8) sample signing is conducted; and (9) normal hot stamping is conducted. By adoption of the hot stamping technique, dust in air can be prevented from adhering to gloss oil in the gloss oil spraying process and the gloss oil drying process, so that the surface of dried gloss oil is smooth, and the situation that since the pattern is irregular, gloss oil is accumulated in pits of the pattern or small gloss oil particles are formed on the edges of the pattern in the gloss oil spraying process, and the spraying effect is affected is avoided.

Description

technical field [0001] The invention belongs to the technical field of hot stamping, and in particular relates to a hot stamping process. Background technique [0002] The hot stamping process uses the principle of heat transfer to transfer the aluminum layer in the anodized aluminum to the surface of the substrate to form a special metal effect. Because the main material used for hot stamping is anodized aluminum foil, hot stamping is also called anodized aluminum hot stamping. [0003] In the printing industry, hot stamping of anodized aluminum foil on paper is commonly used, which is called hot stamping, and hot stamping is a general term for a process. Bronzing does not mean that what is hot on is golden. There are many kinds of hot stamping paper materials, including gold, silver, laser gold, laser silver, black, red, green and other styles. [0004] In the existing hot stamping process, it is generally used to apply the varnish after hot stamping. However, due to the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B44C1/17
CPCB44C1/1729
Inventor 崔晓明
Owner 郑州华美彩印纸品有限公司
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