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Sun-proof UV-LED ink and preparation method thereof

A UV-LED, lightfast technology, used in inks, household appliances, applications, etc., can solve problems such as poor weather resistance, and achieve the effect of not easy to yellow, good printing stability, and improved weather resistance.

Pending Publication Date: 2021-07-02
中山市中益油墨涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the technical problem of poor weather resistance when the existing ultraviolet light curing is applied to outdoor advertisements, the present invention provides a sun-resistant UV-LED ink

Method used

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  • Sun-proof UV-LED ink and preparation method thereof
  • Sun-proof UV-LED ink and preparation method thereof
  • Sun-proof UV-LED ink and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A preparation method of light-resistant UV-LED ink, comprising the following steps:

[0028] S1. Weigh each component according to the weight ratio in Table 1, put epoxy acrylic resin, polyester acrylic resin and UV-LED active diluent into the container, turn on the stirrer to stir, and the stirring time is 15 minutes. The stirring rate of the device is 800 rpm, the stirring condition is 35° C., and the pressure is normal pressure;

[0029] S2. Slowly add the photoinitiator, matting powder and leveling agent, and start the agitator for mixing and stirring. The stirring time is 20 minutes, and the stirring rate of the agitator is 900 rpm;

[0030] S3. Slowly add the defoamer, and turn on the agitator to mix and stir. The stirring rate of the agitator is 100 rpm, and the stirring time is 90 minutes.

Embodiment 2

[0032] A preparation method of light-resistant UV-LED ink, comprising the following steps:

[0033] S1. Weigh each component according to the weight ratio in Table 1, put epoxy acrylic resin, polyester acrylic resin and UV-LED active diluent into the container, start the stirrer to stir, and the stirring time is 10 minutes. The stirring rate of the device is 1000 rpm, the stirring condition is 35°C, and the pressure is normal pressure;

[0034] S2. Slowly add the photoinitiator, matting powder and leveling agent, and start the agitator for mixing and stirring. The stirring time is 30 minutes, and the stirring rate of the agitator is 800 rpm;

[0035] S3. Slowly add the defoamer, and turn on the agitator for mixing and stirring. The stirring rate of the agitator is 80 rpm, and the stirring time is 100 minutes.

Embodiment 3

[0037] A preparation method of light-resistant UV-LED ink, comprising the following steps:

[0038] S1. Weigh each component according to the weight ratio in Table 1, put the epoxy acrylic resin, polyester acrylic resin and UV-LED active diluent into the container, turn on the stirrer to stir, and the stirring time is 20 minutes. The stirring rate of the device is 900 rpm, the stirring condition is 35° C., and the pressure is normal pressure;

[0039] S2. Slowly add the photoinitiator, matting powder and leveling agent, and turn on the agitator for mixing and stirring. The stirring time is 25 minutes, and the stirring rate of the agitator is 1000 rpm;

[0040] S3. Slowly add the defoamer, and turn on the agitator to mix and stir. The stirring rate of the agitator is 120 rpm, and the stirring time is 80 minutes.

[0041] Table 1: The weight ratio of the light-resistant UV-LED inks of Examples 1-3

[0042]

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Abstract

The invention provides sun-proof UV-LED printing ink and a preparation method thereof. The sun-proof UV-LED printing ink is prepared from 48-51 parts of epoxy acrylic resin, 10-15 parts of polyester acrylic resin, 16-28 parts of UV-LED reactive diluent, 5-10 parts of photoinitiator, 5-8 parts of sun-proof filler, 0.3-1 part of flatting agent, 0.3-1 part of matting powder and 0.3-1 part of defoaming agent. The weather resistance of a film layer and the adhesive force to a base material can be obviously improved; and the ink has the advantages of high glossiness, good printing stability, difficult yellowing and color losing, and good weatherability when being applied to outdoor advertisement ink.

Description

technical field [0001] The invention belongs to the technical field of UV-LED inks, and in particular relates to a light-resistant UV-LED ink and a preparation method thereof. Background technique [0002] Outdoor advertising is one of the main publicity channels. Outdoor advertising will be damaged by harmful factors such as ultraviolet rays, acid and alkali, sand and air for a long time. Therefore, the weather resistance of outdoor inks used for printing outdoor advertising is very important. The four-color dot ink used in the traditional advertising industry is solvent-based, and each color of printing must be dried before another color can be overprinted. The drying is slow and the working hours are long, resulting in low production efficiency; on the other hand, the solvent-based ink printing process A large amount of volatile compounds are released into the air, causing air pollution in the printing workshop and seriously affecting the health of workers. [0003] In o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/101C09D11/104C09D11/107C09D11/03
CPCC09D11/101C09D11/104C09D11/107C09D11/03
Inventor 陈显颂陈振南
Owner 中山市中益油墨涂料有限公司
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