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High-water-resistance quick-photocuring pearlescent water-based UV paint, and preparation method and application method thereof

A water-resistant and light-curing technology, which is applied in epoxy resin coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems that hinder the development of water-based UV coatings, pigments are prone to sedimentation, and the appearance effect is single. Excellent performance, gorgeous pearlescent effect, and the effect of reducing light curing time

Active Publication Date: 2016-09-28
深圳市嘉卓成科技发展有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, water-based UV coatings have the following problems: 1. Because the resin of water-based UV coatings contains a hydrophilic group, the water resistance is weak; 2. The appearance effect is too simple; 3. During the photocuring process, the pigments are prone to sedimentation, hindering The development of water-based UV coatings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A kind of pearlescent water-based UV paint of fast photocuring of high water resistance, comprises the raw material of following parts by weight:

[0033] Waterborne polyurethane acrylate resin 27.5 parts

[0034] 22.5 parts of water-based epoxy acrylic resin

[0035] Functional monomer 40 parts

[0036] Photoinitiator 7.5 parts

[0037] Leveling agent 3.5 parts

[0038] Anti-settling agent 0.75 part

[0039] Pearl powder 7.5 parts

[0040] Solvent 40 parts

[0041] Wherein the double bond contents of the water-based polyurethane acrylate resin and the water-based epoxy acrylic resin are respectively 3.5MEQ / g and 3.0MEQ / g; the functional monomer consists of dipentaerythritol hexaacrylate, pentaerythritol triacrylate, 2-methane Oxyethyl acrylate is mixed in the ratio of 3:3:2 by weight; the photoinitiator is composed of photoinitiator TPO, ITX, 907 in the ratio of 2:3:5 by weight; the leveling The agent is acrylic leveling agent; the anti-settling agent is organic...

Embodiment 2

[0048] A kind of pearlescent water-based UV paint of fast photocuring of high water resistance, comprises the raw material of following parts by weight:

[0049] Water-based polyurethane acrylate resin 25 parts

[0050] 20 parts of water-based epoxy acrylic resin

[0051] Functional monomer 30 parts

[0052] Photoinitiator 5 parts

[0053] Leveling agent 2 parts

[0054] Anti-settling agent 0.5 parts

[0055] Pearl powder 5 parts

[0056] 30 parts of solvent

[0057] Wherein the double bond contents of the water-based polyurethane acrylate resin and the water-based epoxy acrylic resin are respectively 3.0MEQ / g and 2.5MEQ / g; the functional monomer consists of dipentaerythritol hexaacrylate, pentaerythritol triacrylate, trimethylol Propane triacrylate is mixed in the ratio of 1:1:1 by weight; the photoinitiator is composed of photoinitiator TPO and ITX in the ratio of 1:1 by weight; the leveling agent is acrylic acid leveling agent The anti-settling agent is organic bentoni...

Embodiment 3

[0064] A kind of pearlescent water-based UV paint of fast photocuring of high water resistance, comprises the raw material of following parts by weight:

[0065] Water-based polyurethane acrylate resin 30 parts

[0066] 25 parts of water-based epoxy acrylic resin

[0067] Functional monomer 50 parts

[0068] Photoinitiator 10 parts

[0069] Leveling agent 5 parts

[0070] Anti-settling agent 1 part

[0071] Pearl powder 10 parts

[0072] Solvent 50 parts

[0073] Wherein the double bond contents of the water-based polyurethane acrylate resin and the water-based epoxy acrylic resin are respectively 4.0MEQ / g and 3.5MEQ / g; the functional monomer consists of dipentaerythritol hexaacrylate, trimethylolpropane triacrylate , 2-methoxyethyl acrylate is mixed in the ratio of 1:3:2 by weight; the photoinitiator is composed of photoinitiator ITX, 907 in the ratio of 3:2 by weight; the leveling The agent is acrylic leveling agent; the anti-settling agent is organic bentonite; the p...

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Abstract

The invention relates to a water-based UV paint, particularly a high-water-resistance quick-photocuring pearlescent water-based UV paint, and a preparation method and application method thereof. The paint is prepared from a water-based polyurethane acrylate resin, a water-based epoxy acrylic resin, a functional monomer, a photoinitiator, a leveling agent, an anti-settling agent, pearl powder and a solvent, wherein the functional monomer comprises at least one of dipentaerythritol hexaacrylate, pentaerythritol triacrylate and trimethylolpropane triacrylate. The number of the functional groups of the dipentaerythritol hexaacrylate, pentaerythritol triacrylate and trimethylolpropane triacrylate is 3 or above. The photocured paint film has the advantages of high crosslinking density, excellent hardness, excellent tensile strength and excellent mechanical properties. The water-based epoxy acrylic resin is introduced on the basis of the water-based polyurethane acrylic resin, thereby enhancing the water resistance of the paint film. By introducing the pearl powder and anti-settling agent, the paint film has gorgeous pearl effects.

Description

technical field [0001] The invention relates to a water-based UV paint, in particular to a pearlescent water-based UV paint with high water resistance and rapid photocuring. Background technique [0002] With the enhancement of human awareness of environmental protection, various countries have successively formulated environmental protection regulations on VOC (volatile organic compound) emissions, and the emission standards have become increasingly strict, aiming to encourage the promotion of new products that are green, environmentally friendly, energy-saving and emission-reducing. Therefore, in the field of paint coating, the development and application of safe and low-VOC water-based, powder and high-solids environment-friendly paints is imperative. Because water-based UV coatings have the characteristics of many technical approaches, wide application, safety, and relatively simple construction, they have developed rapidly in Europe, America and other developed countrie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D163/10C09D7/12B05D7/24B05D3/04B05D3/06
CPCB05D3/0413B05D3/067B05D7/24B05D2502/00B05D2504/00C09D7/62C09D7/70C09D175/14C08L63/10C08K13/06C08K9/04C08K2003/2241C08K3/36C08K7/00C08K9/10
Inventor 黄钦龙黄杰良谭韬吴小浩戴国亮丘远东
Owner 深圳市嘉卓成科技发展有限公司
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