UV-cured water-drop-shaped effect coating and preparation method thereof

A drop-shaped coating technology, applied in anti-corrosion coatings, epoxy resin coatings, polyurea/polyurethane coatings, etc., can solve the problems of uncontrollable water droplet size, poor recoating adhesion, slow curing speed, etc., and achieve simplified formula Blending process, good ornamental value, fast curing effect

Inactive Publication Date: 2021-01-12
DONGLAI COATING TECH SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the preparation of drop-shaped effect paint is basically based on polyurethane acrylate resin. Compared with UV coatings, this type of coatings has traditional disadvantages such as large energy consumption and slow curing speed. Although UV coatings have super

Method used

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  • UV-cured water-drop-shaped effect coating and preparation method thereof
  • UV-cured water-drop-shaped effect coating and preparation method thereof
  • UV-cured water-drop-shaped effect coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～4

[0033] Prepare finish paint A according to the following table weight parts:

[0034] component name Example 1 Example 2 Example 3 Example 4 UV curable resin 55 65 65 60 Tripropylene glycol diacrylate 10 0 5 8 β-Hydroxyethyl Methacrylate 0 5 5 0 Photoinitiator BP 3.5 0 0 0 Photoinitiator 184 0 1.0 2.3 1.7 Photoinitiator TPO 0 0 1.2 0.8 Leveling agent Efka FL 3777 1.5 0 1.5 0.5 Leveling agent BYK-113 0 0.5 0 0 ethyl acetate 30 28.5 0 0 Butyl acetate 0 0 20 0 diisobutyl ketone 0 0 0 29

[0035] Prepare primer B according to the following table weight parts:

[0036] component name Example 1 Example 2 Example 3 Example 4 Topcoat A 85 100 90 90 Universal Black Paste 15 0 10 10

[0037] Spray the primer B on the substrate according to the construction standard, and form a film with a thickness of about 20 μm after it is com...

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Abstract

The invention relates to a UV-cured drop-shaped effect coating and a using method thereof. The UV-cured drop-shaped effect coating is divided into finishing coat A and primer B. The finishing coat A is prepared from, by weight, 55-65 parts of UV-cured resin, 5-10 parts of UV photoinitiator monomers, 1.0-3.5 parts of a photoinitiator, 0.5-1.5 parts of auxiliaries and 20-30 parts of a solvent, the primer B comprises the following components in parts by weight: 85-100 parts of finish paint A and 0-15 parts of general color paste, wherein the UV curing resin is mixed resin of three kinds of resin,and the three kinds of resin are respectively Eternal 6071, Eternal 6172-1 and Eternal 621A-80. Compared with the prior art, the invention has the advantages of high drying speed, energy saving, environment friendliness, excellent performance, adjustable drop-shaped effect and the like.

Description

technical field [0001] The invention relates to the technical field of UV coatings, in particular to a UV curing drop-shaped effect coating and a use method thereof. Background technique [0002] At present, with the increasingly stringent national environmental protection policies, the solvent-free process of coating products is increasingly intensified. In order to meet environmental protection requirements, research on UV coatings has become a hot spot. UV coatings have the advantages of fast curing speed, less solvent, strong chemical resistance and high surface gloss. However, UV coatings are currently more widely used in the field of varnishes and inks with thinner coatings. This is due to the refraction, reflection and absorption of light by the pigment, which blocks the ultraviolet rays from extending to the inside of the coating to cause curing, while varnishes and colored inks are easy to shine through due to the thinner coating thickness. In the face of UV coati...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D175/14C09D163/10C09D5/28C09D5/08B05D5/06B05D7/24B05D3/06
CPCC09D133/04C09D175/14C09D5/28C09D5/08C09D5/002B05D5/061B05D7/24B05D7/546B05D3/067C08L2205/03C08L75/14C08L63/10C08L33/04
Inventor 朱忠敏宗德超叶小明
Owner DONGLAI COATING TECH SHANGHAI
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