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Double-component aqueous inorganic zinc-enriched priming paint

An inorganic zinc-rich, two-component technology, applied in coatings, chemical/physical/physicochemical processes, anti-corrosion coatings, etc., can solve the problems of poor paint adhesion, short anti-rust life, low viscosity, etc., to achieve strong adhesion Effects of concentration, less chemical reaction, and simple preparation method

Inactive Publication Date: 2019-07-26
镇江禹亨新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the standard formula of water-based zinc-rich primer includes potassium silicate, silica sol, deionized water, additives and zinc powder. It has low viscosity, poor adhesion to paint, and is easy to fall off from the surface of the steel structure. , the anti-rust period is shorter

Method used

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  • Double-component aqueous inorganic zinc-enriched priming paint
  • Double-component aqueous inorganic zinc-enriched priming paint
  • Double-component aqueous inorganic zinc-enriched priming paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A preparation method of a two-component water-based inorganic zinc-rich primer, characterized in that the preparation steps are as follows:

[0034] (1) Prepare zinc powder, mix 800-mesh zinc powder and 500-mesh zinc powder in a weight ratio of 3:4, and get zinc powder after mixing evenly;

[0035] (2) To prepare component A, put water-based amino resin, acrylic emulsion, silica sol, and zinc powder into the paint letdown reaction kettle in sequence, stir for 2 hours, and stir at a rate of 800r / min, and get component A after stirring evenly;

[0036] (3) To prepare component B, put kaolin, modified nano-silicon dioxide, and deionized water into the paint letdown reaction kettle in sequence, stir for 2 hours, and stir at a rate of 800r / min, and get component B after stirring evenly;

[0037] (4) Put A component and B component into the paint mixing reaction kettle in turn, the stirring weight ratio is 7:3, the stirring time is 3H, the stirring speed is 900r / min, and the ...

Embodiment 2

[0059] Compared with Embodiment 1, the differences of this embodiment are:

[0060] A preparation method of a two-component water-based inorganic zinc-rich primer, characterized in that the preparation steps are as follows:

[0061] (1) Prepare zinc powder, mix 800-mesh zinc powder and 500-mesh zinc powder in a weight ratio of 3:4, and get zinc powder after mixing evenly;

[0062] (2) To prepare component A, put water-based amino resin, acrylic emulsion, silica sol, and zinc powder into the paint letdown reaction kettle in sequence, stir for 1 hour, and stir at a rate of 750r / min, and get component A after stirring evenly;

[0063] (3) To prepare component B, put kaolin, modified nano-silicon dioxide, and deionized water into the paint let-down reaction kettle in sequence, stir for 1 hour, and stir at a rate of 650r / min, and obtain component B after stirring evenly;

[0064] (4) Put A component and B component into the paint mixing reaction kettle in turn, the stirring weight...

Embodiment 3

[0075] A preparation method of a two-component water-based inorganic zinc-rich primer, characterized in that the preparation steps are as follows:

[0076] (1) Prepare zinc powder, mix 800-mesh zinc powder and 500-mesh zinc powder in a weight ratio of 3:4, and get zinc powder after mixing evenly;

[0077] (2) To prepare component A, put water-based amino resin, acrylic emulsion, silica sol, and zinc powder into the paint let-down reaction kettle in sequence, stir for 1.5 hours, and stir at a rate of 780r / min, and get component A after stirring evenly;

[0078] (3) To prepare component B, put kaolin, modified nano-silicon dioxide, and deionized water into the paint letdown reaction kettle in sequence, stir for 1.5 hours, and stir at a rate of 700r / min, and obtain component B after stirring evenly;

[0079] (4) Put component A and component B into the paint let-down reaction kettle in sequence, stirring weight ratio is 7:3, stirring time is 2H, stirring speed is 800r / min, and th...

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Abstract

The invention provides a double-component aqueous inorganic zinc-enriched priming paint. The double-component aqueous inorganic zinc-enriched priming paint comprises a component A and a component B ata weight ratio of 7:3; the component A comprises, by weight, 35 to 45 parts of an aqueous amino resin, 12 to 25 parts of acrylic emulsion, 5 to 15 parts of silica sol, and 11 to 18 parts of zinc powder; the component B comprises, by weight, 5 to 15 parts of kaolin, 4 to 11 parts of modified nano silica, and 30 to 45 parts of deionized water. A new formula is adopted, the double-component aqueousinorganic zinc-enriched priming paint is simple in composition, and convenient in construction. The paint film of the double-component aqueous inorganic zinc-enriched priming paint possesses excellentelectrochemical protection performance and strong adhesion capacity, is capable of tolerating high temperature of 400 to 500 DEG C continuously, is low in electrical resistivity, is excellent in anti-static performance, anti-radiation performance, and salt spray resistance, and possesses long-lasting anti-corrosion effect.

Description

technical field [0001] The invention relates to a paint, in particular to a two-component water-based inorganic zinc-rich primer. Background technique [0002] Zinc-rich primer is a type of anti-corrosion coating product that uses zinc powder with a sacrificial anode function as the main anti-rust pigment, and has a cathodic protection effect on the steel substrate. There are three main types of zinc-rich primers commonly used at present: epoxy zinc-rich primer, alcohol-soluble inorganic zinc-rich primer and water-based inorganic zinc-rich primer. [0003] In the prior art, water-based paints use water as a diluent and do not contain organic solvents. They do not contain benzene, toluene, xylene, formaldehyde, and free TDI toxic heavy metals. They are non-toxic, non-irritating, and harmless to the human body. environment. Water-based inorganic zinc-rich primer is a primer suitable for coating on steel structure base surfaces. In the prior art, the standard formula of wate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D161/20C09D133/04C09D5/24C09D5/10C09D7/20C09D7/61C09D7/62B01J19/18B01J19/00
CPCB01J19/0066B01J19/18C08K2003/0893C08K2201/011C08K2201/014C08L2201/04C08L2201/08C09D5/106C09D5/24C09D161/20C09D7/20C09D7/61C09D7/62C08L33/04C08K13/06C08K3/08C08K3/36C08K3/346
Inventor 吕壮志张文俊马玉鹏
Owner 镇江禹亨新材料有限公司
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