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Ultraviolet-cured paint

A technology of curing paint and UV light, applied in coatings, epoxy resin coatings, polyurea/polyurethane coatings, etc., can solve the problem of high cost, uncertain vibration and wear resistance, and RCA wear resistance test performance of UV-cured paint films. Poor and other problems, to achieve the effect of reducing product cost and excellent wear resistance test performance

Active Publication Date: 2012-09-26
HUNAN SOKAN NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to provide a UV curable paint to solve the problems of high product cost, poor RCA wear resistance test performance of UV curable paint film and uncertain vibration wear resistance in the prior art

Method used

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  • Ultraviolet-cured paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] In Example 1, the parts by weight of the components of the UV-curable primer and topcoat are listed in Table 1 and Table 2.

[0049] The parts by weight of each component of primer in table 1 embodiment 1

[0050] Primer components

parts by weight

Difunctional Aliphatic Urethane Acrylic Resin

10

Difunctional epoxy acrylic resin

25

Trifunctional Acrylate Monomer

10

Trifunctional Acrylate Monomer

15

adhesion promoting resin

1

Photoinitiator α-Hydroxycyclohexylbenzophenone

5

leveling agent

0.01

ethyl acetate

19.9

Butyl acetate

12

Isopropanol

7

[0051] The parts by weight of each composition of finish paint in the embodiment 1 of table 2

[0052] Topcoat components

Embodiment 2

[0054] In Example 2, the parts by weight of each component of the UV-curable primer and topcoat are listed in Table 3 and Table 4.

[0055] The parts by weight of each component of primer in table 3 embodiment 2

[0056] Primer components

parts by weight

Difunctional Aliphatic Urethane Acrylic Resin

12

Difunctional epoxy acrylic resin

23

Trifunctional Acrylate Monomer

15

Difunctional Acrylate Monomer

14

adhesion promoting resin

6

Photoinitiator α-Hydroxycyclohexylbenzophenone

4

leveling agent

0.5

ethyl acetate

15.5

Butyl acetate

10

Isopropanol

9

[0057] The parts by weight of each composition of finish paint in the embodiment 2 of table 4

[0058] Topcoat components

Embodiment 3

[0060] In Example 3, the parts by weight of each component of the UV-curable primer and top coat are listed in Table 5 and Table 6.

[0061] The parts by weight of each component of primer in table 5 embodiment 3

[0062] Primer components

parts by weight

Difunctional Aliphatic Urethane Acrylic Resin

10

Difunctional epoxy acrylic resin

25

adhesion promoting resin

2

Photoinitiator α-Hydroxycyclohexylbenzophenone

3

[0063] Photoinitiator 2,4,6-trimethylbenzoyldiphenylphosphine oxide

1

leveling agent

0.1

ethyl acetate

20.9

Butyl acetate

11

Isopropanol

15

[0064] The parts by weight of each composition of finish paint in the embodiment 3 of table 6

[0065] Topcoat components

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Abstract

The invention provides ultraviolet-cured paint, which comprises priming paint and finishing paint, wherein the priming paint comprises the following components in parts by weight: 10-20 parts of bifunctional aliphatic polyurethane acrylic resin, 15-25 parts of bifunctional epoxy acrylic resin, 1-6 parts of adhesion accelerating resin, 2-5 parts of photo initiator, 25-60 parts of diluent and 0.01-0.5 part of aid; and the finishing paint comprises the following components in parts by weight: 1-40 parts of high functional aliphatic polyurethane acrylic resin, 5-15 parts of bifunctional aliphaticpolyurethane acrylic resin, 1-5 parts of adhesion accelerator, 1-5 parts of photo initiator, 20-60 parts of diluent and 0.2-2 parts of aid. A sample surface coated with the ultraviolet-cured paint provided by the invention is free from wear after more than 1,000 times of wearing tests in RCA wear resistance testing. After over 4 hours of shock and wear resistance testing, the wear area of the sample surface is smaller than 1 mm<2> or the diameter of a worn region is smaller than 1 mm.

Description

technical field [0001] The invention relates to the technical field of ultraviolet light curing paint, in particular to a wear-resistant ultraviolet light curing paint used for vacuum coating. Background technique [0002] In order to make the vacuum-coated coating smooth and have metallic luster and brightness, it is necessary to paint the surface to be coated before and after coating. The commonly used paint is UV-curable paint. Such as the UV curing paint mentioned in the CN101250339 patent, the top coat of the paint is composed of high-functional aliphatic urethane acrylate of 5-20% by weight, macromolecular resin of 10-30%, and difunctional aliphatic urethane acrylate of 5-20% by weight. ester, 10-20 trifunctional aliphatic urethane acrylate, 5-10 adhesion promoting resin, 1-5 photoinitiator, 20-60 diluent, 0.01-1 additive; the primer consists of Percentage of 5-30 difunctional aliphatic urethane acrylate, 10-40 epoxy acrylate, 5-25 trifunctional acrylate, 5-25 difunct...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/14C09D163/10
Inventor 缪培凯
Owner HUNAN SOKAN NEW MATERIAL
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