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Production process for environment friendly laser card paper

A production process and environment-friendly technology, applied in papermaking, paper coatings, textiles and papermaking, etc., can solve problems affecting the clarity of laser graphics, easy deformation of plastic films, and increased material costs, so as to reduce the transfer of laser graphics information process, ease of transfer, and the effect of improving productivity

Active Publication Date: 2012-07-18
GUANGDONG ZHUANGLI COLOR PRINTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But even so, it is still necessary to use plastic film as the information transfer medium between the laser molded plate and the cardboard, and there are still the following deficiencies: (1) There are many processes (including molding, vacuum aluminum plating, transfer, and peeling), and the production efficiency is low. Low; (2) equipment investment is large; (3) using plastic film as the information transfer medium, the plastic film is damaged after a certain number of uses, and the consumption is large, which not only increases the cost of materials, but also is not environmentally friendly; (4) the plastic film is in the process of molding It is easy to deform, and the laser graphic information will be lost during the transfer process, which will affect the clarity of the laser graphic on the final laser cardboard

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] In this embodiment, the production process of environmentally friendly laser cardboard includes the following steps in sequence:

[0038](1) Use a corona machine to corona-treat the surface of the cardboard (the side that needs to be coated with laser imaging paint). After corona treatment, the dyne value of the cardboard surface is 40; the cardboard is made of gold cardboard;

[0039] (2) Use a coating machine to evenly coat a layer of laser imaging coating on the cardboard, and the laser imaging coating is dried and cured (drying with hot air, and the temperatures of the 5 drying sections of the drying channel are respectively set to 90 ° C, 110°C, 125°C, 110°C, 90°C), a transparent surface coating is formed on the cardboard, and the thickness of the transparent surface coating is 2.0 μm; then the cardboard with the transparent surface coating is cooled by a cooling roller ( Cooling temperature is 20 ℃); Then the winding device rewinds the jammed paper;

[0040] (3) ...

Embodiment 2

[0055] In this embodiment, the production process of environmentally friendly laser cardboard includes the following steps in sequence:

[0056] (1) Use a corona machine to corona-treat the surface of the cardboard (the side that needs to be coated with laser imaging paint), and the dyne value of the surface of the cardboard after corona treatment is 50; the above-mentioned cardboard is silver cardboard;

[0057] (2) Use a coating machine to evenly coat a layer of laser imaging coating on the cardboard, and the laser imaging coating is dried and solidified (drying with hot air, and the temperatures of the 5 drying sections of the drying channel are respectively set to 95 ° C, 120°C, 135°C, 120°C, 95°C), a transparent surface coating is formed on the cardboard, and the thickness of the transparent surface coating is 4.0 μm; then the cardboard with the transparent surface coating is cooled by a cooling roller ( The cooling temperature is 10°C), after cooling, the paper jam is re...

Embodiment 3

[0073] In this embodiment, the production process of environmentally friendly laser cardboard includes the following steps in sequence:

[0074] (1) Use a corona machine to corona-treat the surface of the cardboard (the side that needs to be coated with laser imaging paint), and the dyne value of the surface of the cardboard after corona treatment is 45; the above-mentioned cardboard is white cardboard;

[0075] (2) Use a coating machine to evenly coat a layer of laser imaging coating on the cardboard, and the laser imaging coating is dried and cured (drying with hot air, and the temperatures of the 5 drying sections of the drying channel are respectively set to 90 ° C, 115°C, 130°C, 115°C, 90°C), a transparent surface coating is formed on the cardboard, and the thickness of the transparent surface coating is 3.0 μm; then the cardboard with the transparent surface coating is cooled by a cooling roller ( The cooling temperature is 15°C), and after cooling, it is wound up by the...

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Abstract

The invention relates to a production process for environment friendly laser card paper. The production process comprises the following steps: (1) uniformly coating one layer of laser imaging coating on the card paper by using a coating machine, and drying and solidifying the laser imaging coating to form transparent surface coating on the card paper; and (2) impressing the surface of the transparent surface coating by using a laser mold pressing plate with laser graphic information, and transferring the laser graphic information on the laser mold pressing plate on the transparent surface coating to obtain the laser card paper. Compared with the traditional production process for the laser card paper, the production process for the environment friendly laser card paper has the following beneficial effects that (1) the process is environment friendly; (2) the technological process is optimized, the process steps are simplified and equipment configuration and material consumption are reduced, so cost is saved, and production efficiency is improved; (3) the production is easy to control, so that the laser graphic information is easy to transfer, the anti-fake effect is obvious, quality problem caused by deformation of the base material is avoided, and the product quality is stable; and (4) the laser image text on the laser card paper is clear.

Description

technical field [0001] The invention relates to the technical field of cardboard processing, in particular to an environment-friendly production process of laser cardboard. Background technique [0002] Laser cardboard is a kind of packaging material with laser graphic information. It has anti-counterfeiting effect and strong aesthetic feeling. It is widely used in the outer packaging of tobacco, wine, cosmetics, medicine and other products. [0003] At present, the production process of most laser cardboards is relatively complicated, and must be coated (coating the molded layer on the plastic film), molded (the laser graphics are molded on the molded layer), vacuum aluminum plating (vacuum plated on the molded layer) Aluminum, forming the aluminum layer), transfer (bonding the aluminum layer and the cardboard together), peeling (peeling off the plastic film) and other processes. [0004] There is also a production process of laser cardboard. By improving the plastic film,...

Claims

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Application Information

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IPC IPC(8): D21H21/40D21H19/52D21H19/60
Inventor 曾丽丽邱赞业陈蓬生陈鹏晋
Owner GUANGDONG ZHUANGLI COLOR PRINTING
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