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Ultraviolet curing paint

A technology of curing coatings and ultraviolet light, which is applied in the field of coatings, can solve the problems of poor scratch resistance and non-abrasion resistance of steel wool, and achieve the effect of excellent wear resistance and friction resistance of steel wool

Active Publication Date: 2013-01-09
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 coating to solve the technical problems that the existing UV-curable coatings are not wear-resistant and have poor resistance to steel velvet scratches.

Method used

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  • Ultraviolet curing paint
  • Ultraviolet curing paint
  • Ultraviolet curing paint

Examples

Experimental program
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Embodiment 1~6

[0037] Combine the UV-curable coatings according to the formulations in Tables 1-6, and coat the UV-curable topcoat, midcoat, and primer on the surface of the composite substrate respectively.

[0038] The coating curing method of embodiment 1~6 top paint, middle paint and primer:

[0039] a) Spray the UV-curable primers in Examples 1 to 6 on the PC substrate after the pretreatment step, with a film thickness of 20 μm, leveling for 7 minutes under the irradiation of an infrared lamp at 50 °C, and curing with 800 mJ / cm2 energy;

[0040] b) Then vacuum coating;

[0041] c) Spray the UV-curable intermediate paint in Examples 1 to 6 on the vacuum coating film, with a film thickness of 7 μm, leveling for 7 minutes under the irradiation of an infrared lamp at 60°C, and curing with 500 mJ / cm2 energy.

[0042] d) Spray the UV-curable topcoat in Examples 1-6 on the cured UV-curable intermediate paint, the coating film thickness is 15 μm, leveling under the irradiation of infrared lamp...

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Abstract

The invention provides an ultraviolet curing paint which contains a primer, an intermediate coating and a top coating. The ultraviolet curing paint is characterized in that the top coating comprises the following components in parts by weight: 25-40 parts of multifunctional aliphatic polyurethane acrylate resin, 10-20 parts of special functional acrylic resin, 5-15 parts of hexa-functional acrylate monomer, 2-5 parts of photoinitiator, 20-60 parts of diluent and 0.2-2 parts of additives. By adopting the ultraviolet curing paint, the technical problem that the existing ultraviolet curing paint does not have wear resistance and has poor steel wire scratch resistance can be solved.

Description

technical field [0001] The invention relates to the field of coatings, in particular to an ultraviolet curing coating. Background technique [0002] In order to make the vacuum-coated coating smooth and have metallic luster and brightness, UV-curable coatings are often used to coat the coating surface before and after coating. Patent 201110064999.2 discloses a vacuum electroplating coating. The surface of the UV-cured coating has passed the RCA wear test for 500 times, and the coating surface has no wear-through, and the wear resistance is average; while the patent 200710036021.9 discloses a high wear-resistant vacuum coating UV coating. Light-curing coating, the surface of the UV-curing coating has passed the RCA wear test for 1500 times, and the coating surface has no wear-through, but the anti-scratch performance of steel wool is poor. With the improvement of vacuum coating level, the scratch resistance and wear resistance of UV-curable coatings are also increasing. The ...

Claims

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Application Information

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