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Compound type ultraviolet light-cured anticorrosive paint and preparation method thereof

An anti-corrosion coating and ultraviolet light technology, applied in anti-corrosion coatings, coatings and other directions, can solve the problems of poor environmental quality, slow drying speed of anti-corrosion coatings, etc., to protect the environment, reduce raw material consumption, and low VOC emissions.

Inactive Publication Date: 2013-04-03
JIANGSU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the technical problems of slow drying speed and poor environmental friendliness of the existing anti-corrosion coatings, and provide a composite UV-curable anti-corrosion coating with good anti-corrosion performance and fast drying and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 1. The anti-corrosion coating is distributed according to the following components (mass percentage):

[0022] Epoxy Acrylic: 30%,

[0023] Modified mica iron oxide: 10%,

[0024] Neopentyl glycol diacrylate: 25%,

[0025] Tripropylene glycol diacrylate: 5%,

[0026] -Hydroxyethyl methacrylate: 10%,

[0027] 1173: 2%,

[0028] Linseed oil 5%,

[0029] KH-570 5%,

[0030] Trimethylolpropane triacrylate: 2%,

[0031] Silicone adhesion promoter 4%,

[0032] Triethanolamine: 1%,

[0033] Defoamer: 1%.

[0034] 2. Preparation method

[0035] (1) Preparation of modified mica iron oxide

[0036] The modified mica iron oxide described therein is obtained by depositing nano-silica on the surface of the mica iron oxide by using a sol-gel method, and the specific steps are:

[0037] Step 1. Dissolve ethyl orthosilicate in deionized water, and under the catalysis of 0.5% hydrochloric acid, hydrolyze to form hydroxyl compounds and corresponding alcohols; add micaceous ir...

Embodiment 2

[0045] 1. The anti-corrosion coating is distributed according to the following components (mass percentage):

[0046] Epoxy Acrylic: 30%,

[0047] Modified mica iron oxide: 20%,

[0048] Neopentyl glycol diacrylate: 15%,

[0049] Tripropylene glycol diacrylate: 5%,

[0050] -Hydroxyethyl methacrylate: 10%,

[0051] 1173: 2%,

[0052] Linseed oil 5%,

[0053] KH-570 5%,

[0054] Trimethylolpropane triacrylate: 2%,

[0055] Silicone adhesion promoter 4%,

[0056] Triethanolamine: 1%,

[0057] Defoamer: 1%.

[0058] Two, preparation method is the same as embodiment 1.

[0059] 3. The effect of the embodiment: the curing time is 15s, the adhesion of the coating is grade 1, the salt spray resistance time is 1600 hours, the coating surface is smooth and there is no cracking on the coating surface.

Embodiment 3

[0061] 1. The anti-corrosion coating is distributed according to the following components (mass percentage):

[0062] Epoxy Acrylic: 30%,

[0063] Modified mica iron oxide: 25%,

[0064] Neopentyl glycol diacrylate: 15%,

[0065] Tripropylene glycol diacrylate: 5%,

[0066] -Hydroxyethyl methacrylate: 10%,

[0067] 1173: 2%,

[0068] Linseed oil 3%,

[0069] KH-570 5%,

[0070] Trimethylolpropane triacrylate: 1%,

[0071] Silicone adhesion promoter 3%,

[0072] Triethanolamine: 0.5%,

[0073] Defoamer: 0.5%.

[0074] Two, preparation method is the same as embodiment 1.

[0075] 3. The effect of the embodiment: the curing time is 15s, the adhesion of the coating is grade 1, the salt spray resistance time is 1300 hours, the coating surface is smooth and there is no cracking on the coating surface.

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Abstract

The invention discloses a compound type ultraviolet light-cured anticorrosive paint and a preparation method thereof, wherein the paint is prepared by the following ingredients by weight percent: 30%-50% of epoxy acrylate, 5%-25% of modified mica iron oxide, 10%-25% of dimethyltrimethylene glycol diacrylate, 5%-15% of tripropylene glycol diacrylate, 1%-2% of trimethylolpropane triacrylate, 5%-10% of methyl methacrylate hydroxyl ethyl ester, 2%-5% of 1173, 0.5%-1% of triethanolamine, 2%-5% of KH-570, 1%-5% of linseed oil, 2%-5% of organosilicone adhesion promoter and 0.5%-1% of defoaming agent. The preparation method includes the steps of modifying mica iron oxide by a sol-gel method, adding all the ingredients in the technical scheme into a vacuum mixer for mixing uniformly, and then adding the mixture into a sand mill for grinding to obtain the paint. The compound type ultraviolet light-cured anticorrosive paint has the advantages of environmental protection, good anticorrosion effect and excellent adhesion effect on metal base materials.

Description

technical field [0001] The invention belongs to the technical field of coatings, relates to a light-curing coating, and more specifically relates to a composite ultraviolet light-curing anti-corrosion coating and a preparation method thereof. Background technique [0002] According to incomplete statistics, 30% of the steel produced every year in the world still suffers from corrosion, and 10% of the steel will become scrap iron. Traditional anti-rust coatings emit a large amount of volatile organic compounds (VOCs) into the atmosphere, which directly pollutes the atmospheric environment, damages human health, and causes a huge waste of resources; and the traditional anti-rust coatings have a slow curing speed, which affects work efficiency and cannot meet the needs of fast and normal temperature. The workpieces to be processed need to be repaired, decorated and anti-corrosion. [0003] Ultraviolet light is an environmentally friendly coating, which has the characteristics ...

Claims

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Application Information

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IPC IPC(8): C09D4/02C09D5/08
Inventor 高延敏梁宁李照磊
Owner JIANGSU UNIV OF SCI & TECH
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