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Water-based acrylic anti-corrosion coating and preparing method thereof

A water-based acrylic and anti-corrosion coating technology, used in anti-corrosion coatings, coatings, etc., can solve the problems of slow drying speed, poor corrosion resistance, poor adhesion, etc., to achieve good salt spray resistance, convenient construction, and reduce air bubbles.

Inactive Publication Date: 2019-04-16
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing water-based antirust coatings have serious problems such as poor stability, slow drying speed, low solid content, low hardness, poor adhesion and poor corrosion resistance.

Method used

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  • Water-based acrylic anti-corrosion coating and preparing method thereof
  • Water-based acrylic anti-corrosion coating and preparing method thereof
  • Water-based acrylic anti-corrosion coating and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A kind of waterborne acrylic anticorrosion paint, comprises the component of following mass percentage:

[0029]

[0030]

[0031] Among them, the aqueous self-crosslinking modified acrylic emulsion is a mixture of XK-87 and XK-82, and the volume ratio is 2:1; the pH regulator is a mixture of dimethylethanolamine and ammonia water, and the volume ratio is 1:1; The defoamer is Tego Airex 902; the wetting agent is Tego Twin 4100; the dispersant is Tego Dispres 750W; the cosolvent is a mixture of dipropylene glycol methyl ether and alcohol ester-12, the volume ratio is 3:4; the rust conversion agent is Ferrocyanic acid; the anti-flash rust agent is zinc molybdate; the thickener is a mixture of PUR40, RM-8W, and OMG-0625, and the volume ratio is 1:1:1.

[0032] The preparation method of the waterborne acrylic acid anticorrosion coating in embodiment 1, comprises the steps:

[0033] a. Add water-based acrylic emulsion, deionized water, pH regulator, corrosion inhibito...

Embodiment 2

[0039] A kind of waterborne acrylic anticorrosion paint, comprises the component of following mass percentage:

[0040]

[0041]

[0042]The water-based self-crosslinking modified acrylic emulsion is a mixture of XK-87 and XK-82, the volume ratio is 1:1; the pH regulator is ammonia water; the defoamer is a mixture of Byk-024 and Byk028, the volume The ratio is 1:2; the wetting agent is a mixture of TegoTwin 4000, Tego Twin 4100, and Tego Wet 245, the volume ratio is 1:1:1; the dispersant is TegoDispres755W; the cosolvent is both dipropylene glycol methyl ether and alcohol ester-12 The mixture, the volume ratio is 3:4; the rust conversion agent is tannic acid; the anti-flash rust agent is zinc molybdate; the thickener is the mixture of PUR40, RM-8W, OMG-0625, PUR62, PUR65, the volume ratio is 1 :1:1:1:1.

[0043] The preparation method of the water-based acrylic anti-corrosion coating in Example 2 is the same as that in Example 1, and the viscosity of the prepared water-...

Embodiment 3

[0045] A kind of waterborne acrylic anticorrosion paint, comprises the component of following mass percentage:

[0046]

[0047]

[0048] Among them, the water-based self-crosslinking modified acrylic emulsion is A640; the pH regulator is a mixture of 2-amino-2-methyl-1-propanol, dimethylethanolamine, and ammonia water, and the volume ratio is 1; 2:1; defoamer It is a mixture of TegoAirex 901, TegoAirex 902, Byk-024 and Byk028, the volume ratio is 1:1:1:1; the wetting agent is Tego Wet 245; the dispersant is Tego Tego’s TegoDispres 750W, TegoDispres 735W mixture, The volume ratio is 2:1; the cosolvent is a mixture of dipropylene glycol methyl ether and alcohol ester-12, and the volume ratio is 3:4; the rust converting agent is a mixture of ferrocyanic acid and tannic acid, and the volume ratio is 1:1; the anti-flash rust agent is zinc molybdate; the thickener is a mixture of RM-8W, OMG-0625, and PUR62, and the volume ratio is 1:1:1.

[0049] The preparation method of th...

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Abstract

The invention relates to a water-based acrylic anti-corrosion coating and a preparing method thereof, and belongs to the technical field of anti-corrosion coatings. The water-based acrylic anti-corrosion coating is prepared from, by mass, 50-70% of a water-based acrylic emulsion, 0.2-0.4% of a pH modifier, 0.1-0.2% of a defoaming agent, 0.3-0.6% of a wetting agent, 0.5-1.5% of a dispersing agent,1-2% of graphene powder, 12-18% of inorganic toner, 2-4% of a corrosion inhibitor, 2-4% of a cosolvent, 2-5% of a rust converting agent, 1-3% of a flash-rust resistor, 0.3-0.6% of a thickening agent and the balance deionized water. The water-based acrylic anti-corrosion coating is good in stability, high in drying speed, solid content, hardness and adhesive force, good in salt fog resistance and water resistance, and environmentally friendly.

Description

technical field [0001] The invention relates to a water-based acrylic anticorrosion coating and a preparation method thereof, belonging to the technical field of anticorrosion coatings. Background technique [0002] With the rapid development of modern industry, the anti-corrosion work of steel materials has attracted more and more attention from all aspects. In order to protect steel from corrosion and prolong its service life, anti-corrosion coating on steel is an economical and effective method. [0003] When steel corrodes, a chemical or electrochemical multiphase reaction usually occurs at the interface of the metal, turning the metal into an oxidized state, which will significantly reduce the mechanical properties of the metal material such as strength, plasticity, and toughness, and destroy the geometry of the metal component. Increase the wear between parts, shorten the service life of equipment, and even cause catastrophic accidents such as fire and explosion. Acc...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D5/08C09D7/61C09D7/20
CPCC09D133/04C09D5/08C09D7/20C09D7/61C08L2205/025
Inventor 张文东李璠闫会玲杨远
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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