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Ultraviolet-curable coating for spraying furniture and preparation method of ultraviolet-curable coating

A technology for curing coatings and ultraviolet light, applied in polyester coatings, epoxy resin coatings, polyurea/polyurethane coatings, etc., can solve problems such as poor adhesion of interlayer paint films, and achieve low cost, simple process, and enhanced adhesion. Effect

Inactive Publication Date: 2019-04-09
珠海展辰新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the above-mentioned technical problems, the main purpose of the present invention is to provide a UV-curable coating for spraying furniture, which aims to solve the problem that the existing mechanical spraying method does not sand the surface of the paint film before recoating. Technical problems with poor adhesion of intercoat paint films

Method used

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  • Ultraviolet-curable coating for spraying furniture and preparation method of ultraviolet-curable coating
  • Ultraviolet-curable coating for spraying furniture and preparation method of ultraviolet-curable coating
  • Ultraviolet-curable coating for spraying furniture and preparation method of ultraviolet-curable coating

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preparation example Construction

[0039] On the other hand, the embodiment of the present invention also provides a preparation method of an ultraviolet light curing primer for wood surface, comprising:

[0040] S01, weigh each component according to the formula of the above-mentioned UV-curable coating;

[0041] S02, performing a first mixing treatment on the thermoplastic acrylic resin, the reactive diluent and the solvent to obtain a first mixture;

[0042] S03, adding the urethane acrylate resin, the polyester acrylate resin, the epoxy acrylate resin and the photoinitiator into the first mixture, and performing the second mixing treatment to obtain the second mixture;

[0043] S04. Add the non-silicon defoamer and the dispersant into the second mixture, and perform a third mixture treatment to obtain a third mixture;

[0044] S05. Add the talcum powder and the anti-settling agent into the third mixture, and perform a fourth mixture treatment to obtain the UV-curable coating.

[0045] Specifically, in th...

Embodiment 1

[0053] The content of each component by weight of the UV-curable coating provided in this embodiment is shown in Table 1:

[0054] Table 1

[0055] components

parts by weight

Polyurethane Acrylate Resin

5

Polyester acrylate resin

15

epoxy acrylate resin

25

Active diluent

15

thermoplastic acrylic resin

10

Non-silicon defoamer

0.3

Dispersant

0.5

Photoinitiator

5

talcum powder

10

Anti-settling agent

0.5

Butyl acetate

10

methyl isobutyl ketone

5

[0056] In the above table 1, the polyurethane acrylate resin is selected from the resin produced by Zhanchen New Materials Group Co., Ltd., and the model is S5312; the polyester acrylate resin is selected from the resin produced by Zhanchen New Materials Group Co., Ltd., and the model is S5313; The acrylic resin is selected from the resin produced by Zhanchen New Materials Group Co., Ltd., the model is...

Embodiment 2

[0066] The content of each component of the UV-curable coating provided in this embodiment is shown in Table 2 (in parts by weight).

[0067] Table 2

[0068] components

parts by weight

Polyurethane Acrylate Resin

10

Polyester acrylate resin

10

epoxy acrylate resin

20

Active diluent

15

thermoplastic acrylic resin

10

Non-silicon defoamer

0.5

Dispersant

0.5

Photoinitiator

5

talcum powder

15

Anti-settling agent

0.8

Butyl acetate

5

methyl isobutyl ketone

10

[0069] In the above table 2, the reactive diluents are TMPTA and DPGDA produced by Taiwan Changxing Chemical Co., Ltd., wherein, TMPTA 5 parts, DPGDA 10 parts.

[0070] The rest of the place and its preparation process are basically the same as in Example 1, and will not be repeated here.

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Abstract

The invention belongs to the technical field of coatings and specifically relates to an ultraviolet-curable coating for spraying furniture and a preparation method of the ultraviolet-curable coating.Measured by the total weight part (100), the ultraviolet-curable coating provided by the invention comprises the following components in parts by weight: 5-10 parts of polyurethane acrylate resin, 10-15 parts of polyester acrylate resin, 15-25 parts of epoxy acrylate resin, 10-20 parts of activated diluent, 5-10 parts of thermoplastic acrylic resin, 0.1-0.5 part of non-silicon defoaming agent, 0.3-0.5 part of dispersant, 4-6 parts of photoinitiator, 5-15 parts of talcum powder, 0.3-0.8 part of anti-settling agent and 10-15 parts of solvent, wherein the solvent is a volatile organic solvent capable of dissolving the thermoplastic acrylic resin. Compared with the prior art, the ultraviolet-curable coating provided by the invention is free of sanding before being recoated and capable of simplifying the coating spraying process and effectively increasing the interlayer adhesion force of a film.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to an ultraviolet curing coating used for spraying furniture and a preparation method thereof. Background technique [0002] With the development of coating technology and the enhancement of consumers' awareness of environmental protection, UV coatings are adopted by many wood product manufacturers because of their good environmental protection, chemical resistance, physical damage resistance, high hardness and fast drying. The UV curing products on the market are mainly roller coating. The UV paint film leveling property of roller coating is not good, there are roller marks, and the edges of furniture cannot be painted at one time. In order to solve this problem, the conventional method is to add an appropriate amount of volatile solvent to the UV coating to reduce the viscosity of the coating, and adopt a reciprocating mechanical spraying method. During the production of the mec...

Claims

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Application Information

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IPC IPC(8): C09D163/10C09D175/14C09D167/06C09D133/00C09D7/61
CPCC08L2205/035C09D7/61C09D163/10C09D167/06C08L75/14C08L67/06C08L33/00C08K3/34C08L63/10
Inventor 王琦
Owner 珠海展辰新材料股份有限公司
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