UV paint

A coating and leveling agent technology, applied in the field of high-adhesion UV varnish, can solve the problems of insufficient adhesion, affecting the appearance effect, difficult surface coating, etc., to achieve the effect of high adhesion

Inactive Publication Date: 2008-05-07
MITAC PRECISION TECH CO LTD SHUNDE DISTRICT FOSHAN CITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, some substances, especially metal substances, have a smooth surface. When spraying UV coatings, the spraying effect is not ideal due to insufficient adhesion.
For example, magnesium alloy, its surface coating is more difficult, the sprayed UV varnish may fall off, which seriously affects the appearance effect, and loses the function of UV varnish protective film

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] Examples of the present invention are described in detail below.

[0019] A kind of UV coating, it mixes all raw materials and dissolves uniformly according to the following component formula:

[0020] Tripropylene glycol diacrylate 15g

[0021] Dipentaerythritol hexaacrylate 10g

[0022] Acrylate Phosphate 5g

[0023] Acrylic resin 15g

[0024] Acrylic acid metal salt 10g

[0025] 1-Hydroxy-cyclohexyl-phenylmethanone 2.5g

[0026] Defoamer BYK141 0.2g

[0027] Leveling agent BYK333 3g

[0028] Spray the prepared coating above on the stamped magnesium alloy substrate for performance testing. The test structure is:

[0029] Adhesion

[0030] The invention adopts acrylate phosphate ester monomer and metal acrylate (acrylic acid metal salt) as the adhesion promoter, and has good adhesion and corrosion resistance on the magnesium alloy oxide layer and passivation layer.

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PUM

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Abstract

The invention discloses a UV coating, which mainly includes the following components, the content of which is expressed in parts by weight: tripropylene glycol diacrylate 10-25; dipentaerythritol hexaacrylate 0-15; acrylate phosphate 3-7 Acrylic resin 10-20; Acrylic acid metal salt 5-15; Photoinitiator 2.0-3.0; Defoamer 0-0.3; Acrylic acid metal salt) as an adhesion promoter, has good adhesion and corrosion resistance on the magnesium alloy oxide layer and passivation layer.

Description

technical field [0001] The invention relates to a UV paint, in particular to a UV varnish with high adhesion. Background technique [0002] UV coatings have the advantages of fast curing speed, energy saving, room temperature curing, superior performance, and environmental protection. The coating speed is fast, the film layer has high brightness, and the film surface is firm and heat-resistant after drying, which can make the surface of the substrate very bright and smooth. , The refraction effect is good, so that the substrate has a strong sense of subject, and has been widely used in chemical industry, machinery, electronics, light industry, communication and other fields. [0003] However, some substances, especially metal substances, have a smooth surface and are sprayed with UV coatings. Due to insufficient adhesion, the spraying effect is not ideal. For example, the surface coating of magnesium alloy is more difficult. The sprayed UV varnish may fall off, which seriou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/02C09D4/00
Inventor 袁健
Owner MITAC PRECISION TECH CO LTD SHUNDE DISTRICT FOSHAN CITY
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