An electrostatic sprayable UV-curable vacuum coating metal primer

Abstract

The invention discloses ultraviolet curing vacuum coating metal primer capable of achieving electrostatic spraying and a preparation method thereof.The ultraviolet curing vacuum coating metal primer capable of achieving electrostatic spraying is prepared from, by weight, 5-20 parts of urethane acrylate, 10-20 parts of epoxy acrylate, 0-5 parts of pure acrylate, 5-10 parts of polyesteracrylate, 30-40 parts of trimethylolpropane triacrylate, 10-20 parts of low-functionality active diluted monomers, 2-5 parts of photoinitiator, 0.05-0.1 part of a flatting agent, 0.05-0.5 part of adhesion promoter, 0.01-0.5 part of a conductive agent and 3-5 parts of electrostatic thinner.The ultraviolet curing vacuum coating metal primer prepared through the method can be used for electrostatic spraying, has the advantages of being good in coating performance, good in adhesion, high in salt fog resistance, high in production efficiency, high in paint utilization rate and the like, and has wide market prospects.

Description

technical field

[0001] The invention belongs to the technical field of ultraviolet light curing coatings, in particular, the invention relates to an ultraviolet light curing vacuum coating metal primer which can be electrostatically sprayed. Background technique

[0002] Vacuum coating technology is a new technology developed in the past ten years. It can coat a thin metal layer on the surface of the plated parts to give the base material a metallic luster. In the process of vacuum coating, the vacuum coating primer must be coated on the surface of the substrate first, otherwise the coated metal film is easy to fall off. Therefore, the quality of the coating depends largely on the quality of the primer.

[0003] At present, ultraviolet curing vacuum coating coatings cannot be sprayed electrostatically. The reason is that it is difficult for coatings to meet the requirements of vacuum coating and electrostatic spraying at the same time. Nowadays, air spraying and other method...

Examples

Embodiment 1

[0035] S1. According to the ratio shown in Table 1, add the UV-curable vacuum coating resin, reactive diluent, and photoinitiator into the stirring tank and stir for 3 hours to disperse evenly;

[0036] S2. Add a leveling agent, an adhesion promoter, a conductive agent, and an electrostatic diluent, and stir for 1 hour to obtain a UV-curable vacuum coating metal primer that can be electrostatically sprayed.

Embodiment 2

[0038] S1. According to the ratio shown in Table 1, add the UV-curable vacuum coating resin, reactive diluent, and photoinitiator into the stirring tank and stir for 2 hours to disperse evenly;

[0039] S2. Add a leveling agent, an adhesion promoter, a conductive agent, and an electrostatic diluent, and stir for 2 hours to obtain a UV-curable vacuum coating metal primer that can be electrostatically sprayed.

Embodiment 3

[0041] S1. According to the ratio shown in Table 1, add the UV-curable vacuum coating resin, reactive diluent, and photoinitiator into the stirring tank and stir for 4 hours to disperse evenly;

[0042] S2. Add a leveling agent, an adhesion promoter, a conductive agent, and an electrostatic diluent, and stir for 1 hour to obtain a UV-curable vacuum coating metal primer that can be electrostatically sprayed.

technical field

[0001] The invention belongs to the technical field of ultraviolet light curing coatings, in particular, the invention relates to an ultraviolet light curing vacuum coating metal primer which can be electrostatically sprayed. Background technique

[0002] Vacuum coating technology is a new technology developed in the past ten years. It can coat a thin metal layer on the surface of the plated parts to give the base material a metallic luster. In the process of vacuum coating, the vacuum coating primer must be coated on the surface of the substrate first, otherwise the coated metal film is easy to fall off. Therefore, the quality of the coating depends largely on the quality of the primer.

[0003] At present, ultraviolet curing vacuum coating coatings cannot be sprayed electrostatically. The reason is that it is difficult for coatings to meet the requirements of vacuum coating and electrostatic spraying at the same time. Nowadays, air spraying and other method...

Examples

Embodiment 1

[0035] S1. According to the ratio shown in Table 1, add the UV-curable vacuum coating resin, reactive diluent, and photoinitiator into the stirring tank and stir for 3 hours to disperse evenly;

[0036] S2. Add a leveling agent, an adhesion promoter, a conductive agent, and an electrostatic diluent, and stir for 1 hour to obtain a UV-curable vacuum coating metal primer that can be electrostatically sprayed.

Embodiment 2

[0038] S1. According to the ratio shown in Table 1, add the UV-curable vacuum coating resin, reactive diluent, and photoinitiator into the stirring tank and stir for 2 hours to disperse evenly;

[0039] S2. Add a leveling agent, an adhesion promoter, a conductive agent, and an electrostatic diluent, and stir for 2 hours to obtain a UV-curable vacuum coating metal primer that can be electrostatically sprayed.

Embodiment 3

[0041] S1. According to the ratio shown in Table 1, add the UV-curable vacuum coating resin, reactive diluent, and photoinitiator into the stirring tank and stir for 4 hours to disperse evenly;

[0042] S2. Add a leveling agent, an adhesion promoter, a conductive agent, and an electrostatic diluent, and stir for 1 hour to obtain a UV-curable vacuum coating metal primer that can be electrostatically sprayed.

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