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Ultraviolet curing paint

A technology of curing paint and ultraviolet light, which is applied in the direction of polyurea/polyurethane coating, coating, etc., can solve the problems of poor adhesion and low hardness of the paint film, and achieve good adhesion

Inactive Publication Date: 2012-01-25
HUNAN SOKAN NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a UV-curable paint to solve the technical problems of poor adhesion and low hardness of the existing paint film

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The parts by weight of the components of the UV-curable paint in Example 1 are listed in Table 1.

[0039] The parts by weight of each composition in the embodiment 1 of table 1

[0040] Topcoat components parts by weight Highly functional aliphatic urethane acrylic resin 25

[0041] Difunctional Aliphatic Urethane Acrylic Resin 5 Highly functional acrylate monomer 15 Monofunctional Acrylate Monomer 3 adhesion promoter 1 Photoinitiator α-Hydroxycyclohexylbenzophenone 3 2,4,6-Trimethylbenzoyldiphenylphosphine oxide 2 leveling agent 0.4 Defoamer 0.1 ethyl acetate 25.5 Butyl acetate 10 methyl isobutyl ketone 7 butanone 6

Embodiment 2

[0043] The parts by weight of the components of the UV-curable paint in Example 2 are listed in Table 2.

[0044] The parts by weight of each composition in the embodiment 2 of table 2

[0045] Topcoat components parts by weight Highly functional aliphatic urethane acrylic resin 40 Difunctional Aliphatic Urethane Acrylic Resin 8 Highly functional acrylate monomer 10 Monofunctional Acrylate Monomer 6 adhesion promoter 3 Photoinitiator α-Hydroxycyclohexylbenzophenone 1 2,4,6-Trimethylbenzoyldiphenylphosphine oxide 1 leveling agent 1 Defoamer 1 ethyl acetate 15 Butyl acetate 7 methyl isobutyl ketone 3 butanone 4

Embodiment 3

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PUM

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Abstract

The invention provides ultraviolet curing paint, which comprises the following components in parts by weight: 15-40 parts of high-functional aliphatic polyurethane acrylic resin, 3-10 parts of bi-functional aliphatic polyurethane acrylic resin, 10-15 parts of high-functional acrylic monomer, 3-6 parts of single-functional acrylate monomer, 1-3 parts of adhesion promoter, 1-5 parts photoinitiator, 20-6- parts of diluent and 0.5-2 parts of auxiliaries. After the ultraviolet curing paint provided by the invention is coated, the hardness and the adhesion of an obtained paint film can be balanced, so that the obtained paint film has the advantages that the hardness reaches 5H under the condition of 1kg of load, the resistant times reaches 600 under steel wool, and the RCA wear testing times reach 2000, and has good surface adhesion on the surfaces of PC (Polycarbonate), ABS (Acrylonitrile Butadiene Styrene), PMMA (Polymethyl Methacrylate), PC / ABS and PA (Polyamide) materials.

Description

technical field [0001] The invention relates to the field of painting, in particular to an ultraviolet curing paint. Background technique [0002] In order to protect the plastic shell of the product from being scratched and affect the appearance, in the prior art, UV-cured paint is often applied to the surface of the object. The coating formed by this kind of paint also needs to have the effect of anti-sticky fingerprints and stains that can be easily erased and can meet the requirements of environmental protection, so it has attracted much attention. The coatings provided in the prior art have a limited scope of use and are limited to PC, ABS or PMMA materials, such as CN101570653 and CN101701129. There is nothing we can do for products with PC / ABS and PA materials as shells. Moreover, the hardness and wear resistance of the coating provided in the above-mentioned patents are not ideal enough to meet the needs. Contents of the invention [0003] The purpose of the pre...

Claims

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Application Information

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IPC IPC(8): C09D175/14
Inventor 缪培凯
Owner HUNAN SOKAN NEW MATERIAL
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