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Color-staining process and preparation method of PET (polyethylene terephthalate) transfer membrane

A transfer film and coloring technology, which is applied in the field of transfer film, can solve the problems of insufficient color of product appearance, insufficient color accuracy, and unstable product quality, so as to achieve stable product quality, thick color, saving power costs and The effect of labor costs

Active Publication Date: 2014-04-16
HUNAN HERUI LASER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The production process in which matteness and color are achieved through the pre-coloring process and the post-coloring process has the following disadvantages: (1) The production process of the two coloring processes will increase the probability of scrapping the transfer film. If the front coloring or post-coloring If there is a major defect in any of the processes (for example, the matteness is not enough, or the color accuracy is not good enough), it will lead to the scrapping of the transfer film; It will lead to low production efficiency and increase production cost. On the other hand, it will easily lead to unstable product quality; (3) The production process that the matteness and color are realized through the pre-coloring process and the post-coloring process respectively, the products produced The appearance color is not strong enough, and the high-end feeling is not enough

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A kind of coloring process of PET transfer film, it comprises the following steps:

[0035] Step 1, in the process of stirring the oily polyurethane resin, slowly add the matte powder to the resin, and stir evenly to obtain a first-grade matte coating; in this embodiment, the particle size of the matte powder is 5 μm, and the matte powder It is amorphous silica.

[0036] Step 2: Grinding the primary matte paint obtained in step 1 until the primary matte paint changes from translucent to milky white to obtain a secondary matte paint.

[0037] Step 3: Add methyl ethyl ketone, ethyl acetate and pigment powder to the secondary matte paint obtained in Step 2, and stir evenly to obtain a mixed colored paint; in this embodiment, the particle size of the pigment powder is 1.5 μm.

[0038] Step 4, coating the mixed coloring paint obtained in Step 3 on the PET base film, and then drying at 100° C. for 10 seconds, that is, a matte colored layer is formed on the surface of the PET...

Embodiment 2

[0043] A kind of coloring process of PET transfer film, it comprises the following steps:

[0044] Step 1, in the process of stirring the oily polyacrylate resin, slowly add the matte powder into the resin, and stir evenly to obtain a first-grade matte coating; in this embodiment, the particle size of the matte powder is 4 μm, wherein, the matte powder The light powder is amorphous silica.

[0045] Step 2: Grinding the primary matte paint obtained in step 1 until the primary matte paint changes from translucent to milky white to obtain a secondary matte paint.

[0046] Step 3: Add methyl ethyl ketone and pigment powder to the secondary matte paint obtained in Step 2, and stir evenly to obtain a mixed colored paint; in this embodiment, the particle size of the pigment powder is 0.7 μm.

[0047] Step 4, coating the mixed coloring paint obtained in Step 3 on the PET base film, and then drying at 95° C. for 12 seconds, that is, a matte color layer is formed on the surface of the ...

Embodiment 3

[0052] A kind of coloring process of PET transfer film, it comprises the following steps:

[0053] Step 1, in the process of stirring the oily polyamide resin, slowly add the matte powder into the resin, and stir evenly to obtain a first-grade matte coating; in this embodiment, the particle size of the matte powder is 5.5 μm, wherein, the matte powder The light powder is amorphous silica.

[0054]Step 2: Grinding the primary matte paint obtained in step 1 until the primary matte paint changes from translucent to milky white to obtain a secondary matte paint.

[0055] Step 3: Add ethyl acetate and pigment powder to the secondary matte paint obtained in Step 2, and stir evenly to obtain a mixed colored paint; in this embodiment, the particle size of the pigment powder is 2.5 μm.

[0056] Step 4, coating the mixed coloring paint obtained in Step 3 on the PET base film, and then drying at 105° C. for 8 seconds, that is, a matte color layer is formed on the surface of the PET base...

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Abstract

The invention relates to the technical field of transfer membranes, in particular to a color-staining process and a preparation method of a PET (polyethylene terephthalate) transfer membrane. The color-staining process of the PET transfer membrane comprises the steps of firstly, adding matt powder into resin and stirring uniformly to obtain primary matt coating; secondly, grinding the primary matt coating until the primary matt coating is changed to be a milk white state from a semi-transparent state, thereby obtaining secondary matt coating; thirdly, adding organic solvent and pigment powder into the secondary matt coating and stirring uniformly to obtain mixed color-staining coating; fourthly, coating the mixed color-staining coating onto a PET base membrane and drying, so as to form a matt color layer on the surface of the PET base membrane. According to the color-staining process of the PET transfer membrane, the production procedures can be reduced, the production efficiency is improved, the scrap rate of the transfer membranes is reduced and the production cost is reduced; the products have good matt effect, rich and mellow color and luster and good color accuracy.

Description

Technical field [0001] The invention involves the field of metastasis technology, which specifically involves the color process of a PET metastatic membrane and the preparation method of PET metastatic membrane. Background technique [0002] PET metastasis membrane is widely used in packaging paper. This type of packaging paper is mostly used for high -end packaging box boxes, high -end cigarette packaging boxes, membranes, medicines and cosmetics packaging.The PET metastasis film is made of coloring process, vacuum -plating and back -painted solids on the PET base film.The application process of PET metastasis is to transfer aluminum layers, colors to paper, leather, textiles and other substrates through heating and pressurizing methods, thereby changing the appearance and quality of the substrateDiversity, there are gold, silver, red, blue, green, purple, black, brown and other colors. [0003] In order to make the appearance of the product more beautiful, the appearance of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/04C09D175/04C09D133/04C09D177/00C09D7/12B41M5/382C23C14/20
Inventor 张恒
Owner HUNAN HERUI LASER TECH CO LTD
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