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Colored UV (ultraviolet) coating

A coating and colored technology, applied in the direction of coating, can solve the problem that the color and performance cannot be achieved at the same time, and achieve the effect of reducing the process of spraying and baking, saving the cost of painting and reducing the time

Active Publication Date: 2012-07-25
深圳市千浪化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The traditional UV light-curing paint is transparent varnish, and the surface performance can meet the above requirements, but it must be sprayed with a primer to form different colors, and it needs two sprays to achieve various colors. It is transparent and colorless, and cannot meet the requirements of color and performance at the same time, so providing a colored UV coating has become our main task

Method used

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  • Colored UV (ultraviolet) coating
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  • Colored UV (ultraviolet) coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The component weight ratios of colored UV coatings are shown in Table 1. In the case of the weight component ratios in Table 1, the adhesion of colored UV coatings was tested.

[0023] Table 1

[0024]

[0025] Under the weight ratio of the colored UV coating component of table 1, the result of test adhesion is as table 2;

[0026] Table 2

[0027]

[0028] As shown in Table 1 and Table 2, the weight ratio of the methyl polyhydroxyacrylic acid oligomer is 26.3%, the weight ratio of the active methyl polyurethane resin is 15.3%, the weight ratio of carbon black is 3.7%, and the inorganic deep layer curing When the weight ratio of the initiator is 2.9%, and the weight ratio of the adhesive agent is 1.8%, the experimental result shows that the surface of the paint film is slightly peeled off.

Embodiment 2

[0030] The component weight ratios of colored UV coatings are shown in Table 3. In the case of the weight component ratios in Table 3, the adhesion of colored UV coatings was tested.

[0031] table 3

[0032]

[0033] Under the weight ratio of the colored UV coating of table 3, the result of test adhesion is as table 4;

[0034] Table 4

[0035]

[0036]

[0037] As shown in Table 3 and Table 4, the weight ratio of the methyl polyhydroxyacrylic acid oligomer is 24.6%, the weight ratio of the active methyl polyurethane resin is 15.7%, and the weight ratio of carbon black is 4.2%. When the weight ratio of the initiator is 3.4%, and the weight ratio of the adhesive agent is 2.1%, the experimental results show that there is no paint peeling on the surface of the paint film.

Embodiment 3

[0039] The component weight ratios of colored UV coatings are shown in Table 5. In the case of the weight component ratios in Table 5, the adhesion of colored UV coatings was tested.

[0040] table 5

[0041]

[0042]

[0043] Under the weight ratio of the colored UV coating of table 5, the result of test adhesion is as table 6;

[0044] Table 6

[0045]

[0046] As shown in Table 5 and Table 6, the weight ratio of the methyl polyhydroxyacrylic acid oligomer is 22.6%, the weight ratio of the active methyl polyurethane resin is 17.7%, the weight ratio of carbon black is 3.9%, and the inorganic deep layer curing When the proportion by weight of the initiator is 3.8%, and the proportion by weight of the adhesive is 2.5%, the experimental results show that the surface of the paint film has a slight paint peeling.

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Abstract

The invention relates to UV (ultraviolet) coating, particularly colored UV coating. The colored UV coating is characterized by comprising the following components by weight ratio: 22-27% of methyl-polyhydroxy-acrylate oligomer, 20-22% of acetate-epoxy acrylate oligomer, 15-19% of activated methyl polyurethane resin, 8-10% of reactive diluent, 10-12% of ethylene glycol dimethyl ester, 7-8% of coupled tri-n-butyl-dipropyl phthalate, 0.8-2.5% of photoinitiator, 0.5-1.5% of flatting agent, 3-5% of inorganic deep-curing initiator, 1.5-3.5% of adhesive and 2.-5% of pigment. According to the invention, the limitation of the traditional UV that an expectant using effect can be achieved only by spraying primer and UV gloss oil finish paint in sequence is broken through, the pigment is added into the gloss oil, and the color and performance of the traditional UV can be achieved by one-time spraying.

Description

technical field [0001] The invention relates to UV coatings, in particular to a colored UV coating. Background technique [0002] With the continuous improvement of people's living standards, consumers around the world require the appearance of electronic and electrical products to be bright in color, exquisite in shape, and novel in style. Various performances such as abrasion resistance and scratch resistance can be improved to a new level in the previous traditional paint, so as to ensure the color and continuous protection of the case and case for a long time. [0003] The traditional UV light-curing paint is transparent varnish, and the surface performance can meet the above requirements, but it must be sprayed with a primer to form different colors, and it needs two sprays to achieve various colors. It is transparent and colorless, and cannot meet the requirements of color and performance at the same time, so providing a colored UV coating has become our main task. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02
Inventor 谢梦静
Owner 深圳市千浪化工有限公司
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