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High-performance anti-corrosion coating for metal surface treatment

A high-performance technology for metal surface treatment, applied in anti-corrosion coatings, anti-fouling/underwater coatings, coatings, etc. Achieve the effect of strong cleaning and scale inhibition, shortening drying time and fast drying speed

Inactive Publication Date: 2020-01-03
南京思达捷信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the commonly used method is to spray anti-corrosion and anti-corrosion coatings on the outside of the metal, but the existing anti-rust coatings have poor anti-rust performance, high abrasion rate, and most of them have low tolerance to alkaline corrosion, short service life, and weak adhesion. The low flatness of the coating surface and long drying time greatly limit the use of the coating

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A high-performance anti-corrosion paint for metal surface treatment comprises the following parts by mass: 40 parts of silica sol, 15 parts of epoxy resin, 12 parts of polyimide resin, 4 parts of ketimine, 3 parts of fluorite powder, aminosilane 2 parts, 4 parts of polyethylene glycol, 6 parts of hydroxyalkylphenol polyoxyethylene ether, 6 parts of 8-hydroxyquinoline copper, 8 parts of rust inhibitor, and 10 parts of corrosion inhibitor.

[0021] Among them, 5 parts of nano calcium carbonate, 4 parts of sodium alginate and 3 parts of sepiolite are also included.

[0022] The antirust agent is selected from one or more compositions of barium petroleum sulfonate, sodium lauroyl sarcosinate, acetone, and PE wax. Preferably, the antirust agent is a combination of barium petroleum sulfonate, sodium lauroyl sarcosinate and acetone in a mass ratio of 1:1:0.4.

[0023] The corrosion inhibitor is selected from one or more combinations of benzotriazole, sodium alkylbenzenesulfon...

Embodiment 2

[0030] A high-performance anti-corrosion paint for metal surface treatment comprises the following parts by mass: 45 parts of silica sol, 15 parts of epoxy resin, 15 parts of polyimide resin, 3 parts of ketimine, 4 parts of fluorite powder, aminosilane 2 parts, 3 parts of polyethylene glycol, 5 parts of hydroxyalkylphenol polyoxyethylene ether, 8 parts of 8-hydroxyquinoline copper, 5 parts of rust inhibitor, and 5 parts of corrosion inhibitor.

[0031] Among them, 5 parts of nano calcium carbonate, 5 parts of sodium alginate and 4 parts of sepiolite are also included.

[0032] The antirust agent is selected from one or more compositions of barium petroleum sulfonate, sodium lauroyl sarcosinate, acetone, and PE wax. Preferably, the antirust agent is a combination of barium petroleum sulfonate, sodium lauroyl sarcosinate and acetone at a mass ratio of 1:1:0.5.

[0033] The corrosion inhibitor is selected from one or more combinations of benzotriazole, sodium alkylbenzenesulfona...

Embodiment 3

[0036] A high-performance anti-corrosion paint for metal surface treatment comprises the following parts by mass: 35 parts of silica sol, 12 parts of epoxy resin, 10 parts of polyimide resin, 2 parts of ketimine, 3 parts of fluorite powder, aminosilane 2 parts, 4 parts of polyethylene glycol, 5 parts of hydroxyalkylphenol polyoxyethylene ether, 5 parts of 8-hydroxyquinoline copper, 6 parts of rust inhibitor, and 8 parts of corrosion inhibitor.

[0037] Among them, 6 parts of nano calcium carbonate, 3 parts of sodium alginate and 2 parts of sepiolite are also included.

[0038] The antirust agent is selected from one or more compositions of barium petroleum sulfonate, sodium lauroyl sarcosinate, acetone, and PE wax. Preferably, the antirust agent is a combination of barium petroleum sulfonate, sodium lauroyl sarcosinate and acetone in a mass ratio of 1:0.8:0.5.

[0039] The corrosion inhibitor is selected from one or more combinations of benzotriazole, sodium alkylbenzenesulfo...

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PUM

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Abstract

The invention provides a high-performance anti-corrosion coating for metal surface treatment. The high-performance anti-corrosion coating for metal surface treatment is prepared from the following components in parts by mass: 30-45 parts of silica sol, 12-16 parts of epoxy resin, 8-15 parts of polyimide resin, 2-4 parts of ketimine, 2-5 parts of fluorite powder, 1-3 parts of aminosilane, 2-4 partsof polyethylene glycol, 3-6 parts of hydroxyalkylphenol polyoxyethylene ether, 3-8 parts of 8-hydroxyquinoline copper, 4-10 parts of an antirust agent and 5-10 parts of a corrosion inhibitor. The high-performance anti-corrosion coating has the advantages of excellent corrosion resistance, excellent rust resistance, acid and alkali resistance, smooth coating, uniform paint dispersion, high adhesive force and high drying speed, and is suitable for popularization.

Description

technical field [0001] The invention relates to the technical field of metal surface treatment, in particular to a high-performance anti-corrosion paint for metal surface treatment. Background technique [0002] Steel is the most commonly used structural material with unstable thermodynamic properties, and it will inevitably corrode when exposed to the atmosphere, thus transforming into loose rust. The loss of various metal components and equipment in our country due to corrosion is as high as tens of billions every year, so it is necessary to take effective anti-rust measures. At present, the commonly used method is to spray anti-corrosion and anti-corrosion coatings on the outside of the metal, but the existing anti-rust coatings have poor anti-rust performance, high abrasion rate, and most of them have low tolerance to alkaline corrosion, short service life, and weak adhesion. The low flatness of the coating surface and the long drying time greatly limit the use of the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/08C09D5/16C09D5/14C09D7/65C09D7/61C09D7/63
CPCC09D1/00C09D5/08C09D5/14C09D5/1656C09D5/1687
Inventor 汪东梅
Owner 南京思达捷信息科技有限公司
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