Water-based high-volume solid-content steel structure normal-temperature anticorrosive paint and preparation method thereof

A high-volume, steel-structured technology, applied in anti-corrosion coatings, coatings, polyester coatings, etc., can solve the problems of slow drying, low hardness of the paint film, poor water resistance and weather resistance, etc. Good appearance, simple and reasonable formula

Pending Publication Date: 2022-07-22
山东奔腾漆业股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although water-based alkyd resin has good film-forming performance and high gloss of paint film, it has the characteristics of slow drying, low paint film hardness, poor water resistance and weather resistance

Method used

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  • Water-based high-volume solid-content steel structure normal-temperature anticorrosive paint and preparation method thereof
  • Water-based high-volume solid-content steel structure normal-temperature anticorrosive paint and preparation method thereof
  • Water-based high-volume solid-content steel structure normal-temperature anticorrosive paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0039] 1. Preparation of water-based acrylic modified alkyd resin

[0040] 1.1 Raw materials

[0041] Acrylic Acid, Methacrylic Acid, Monobutyl Tin Oxide, Tert-Butyl Peroxybenzoate (TBPB), Benzoyl Peroxide (BPO) (75%), Di-tert-Butyl Peroxide (DTBP), Di-tert-Butyl Peroxide (DTBP) Tert-butyl ether (DTBP) linoleic acid, linoleic acid, dehydrated ricinoleic acid, isopropanol, sec-butanol, propylene glycol methyl ether, propylene glycol butyl ether, N-methylpyrrolidone, trimethylolpropane, benzoic acid , ammonia water (25%) and ethylene glycol butyl ether are industrial grade reagents; isophthalic acid is chemically pure reagents.

[0042] 1.2 Test equipment

[0043] The test equipment and use are shown in Table 1:

[0044] Table 1 Test equipment and use

[0045]

[0046]

[0047] 1.3 Synthesis process

[0048] Preparation of acrylic prepolymer:

[0049] Add 40ml of ethylene glycol tert-butyl ether solvent to a 1000ml four-necked flask equipped with a spherical condense...

Embodiment 1

[0097] A water-based high-volume solid-containing steel structure normal temperature anti-corrosion paint, comprising the following components in parts by weight: 35 parts of water-based acrylic modified alkyd resin, 0.5 part of adhesion promoter, 0.5 part of defoamer, 1 part of anti-settling thixotropic agent parts, 1.5 parts of dispersant, 0.5 part of thickener, 0.5 part of flash rust inhibitor, 30 parts of pigments and fillers, and 20 parts of deionized water.

[0098] The preparation method of the above-mentioned water-based high-volume solid-containing steel structure normal temperature anti-corrosion paint, the preparation steps are:

[0099] (1) According to the formula amount, first add deionized water into the material preparation tank, start stirring at a low speed of 300r / min, and add dispersant, defoamer, pigment and filler in turn under stirring;

[0100] (2) After adding, the rotating speed is increased to 900r / min, and stirred for 25 minutes;

[0101] (3) After...

Embodiment 2

[0105] A water-based high-volume solid-containing steel structure normal temperature anti-corrosion paint, comprising the following components in parts by weight: 40 parts of water-based acrylic modified alkyd resin, 2 parts of dispersant, 0.7 parts of defoamer, 35 parts of pigments and fillers, anti-sinking touch 3 parts of modifier, 0.8 part of adhesion promoter, 0.7 part of thickener, 0.8 part of flash rust inhibitor, and 22 parts of deionized water.

[0106] The preparation method of the above-mentioned water-based high-volume solid-containing steel structure normal temperature anti-corrosion paint, the preparation steps are:

[0107] (1) According to the formula amount, first add deionized water into the material preparation tank, start stirring at a low speed of 200 r / min, and add dispersant, defoamer, pigment and filler in turn under stirring;

[0108] (2) After adding, the rotating speed is increased to 800r / min, and stirred for 20 minutes;

[0109] (3) After stirring...

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Abstract

The invention relates to a water-based high-volume solid-content steel structure normal-temperature anticorrosive paint and a preparation method thereof. The water-based high-volume-solid-content normal-temperature anticorrosive paint for the steel structure comprises the following components in parts by weight: 35-50 parts of water-based acrylic modified alkyd resin, 0.5-1 part of an adhesion promoter, 0.5-1 part of a defoaming agent, 1-5 parts of an anti-settling thixotropic agent, 1.5-3 parts of a dispersing agent, 0.5-1 part of a thickening agent, 0.5-1 part of a flash rust inhibitor, 30-40 parts of pigment and filler and 20-25 parts of deionized water. The primer-topcoat integrated water-based self-drying anticorrosive paint system provided by the invention is used for coating and anti-rust protection of metal products such as steel structures, can realize high-pressure airless spraying one-time thick coating, solves the problem of poor corrosion resistance of a water-based self-drying single coating, and has the advantages of excellent gloss and color retention, weather resistance, quick drying, high hardness and the like; the preparation method does not need to add new equipment and does not need independent baking, so that the production efficiency can be improved, the coating cost is reduced, and the appearance of a paint film is good; the formula is simple and reasonable, the preparation process is safe and reliable, and the preparation method is simple and easy to operate.

Description

technical field [0001] The invention belongs to the technical field of paint preparation, and in particular relates to a water-based high-volume solid-containing steel structure normal temperature anti-corrosion paint and a preparation method thereof. Background technique [0002] The protective coating on the surface of large-scale steel structures in China is still in a relatively backward primitive stage, and its coating has a great impact on air pollution. With the enhancement of people's awareness of environmental protection, the increasingly strict laws and regulations restricting the emission of volatile organic compounds and the lack of petroleum energy, my country's coatings industry is forced to develop in the direction of environmental protection and intensification. Due to the feasibility, cost and environmental acceptability of water-based coatings, its position in the entire coatings industry is becoming more and more important. Alkyd resin is a synthetic resi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/08C09D5/08C08G63/49
CPCC09D167/08C09D5/08C08G63/48
Inventor 梁淑华杜伯会孟腾飞李勇王涛白伟叶
Owner 山东奔腾漆业股份有限公司
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