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Inorganic anticorrosive coating and preparation method thereof

An anti-corrosion coating, inorganic technology, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems of anti-corrosion performance, adhesive coating strength, difficult to meet industrial applications, not in line with green environmental protection, etc., to improve anti-corrosion performance, reduce waste Stabilization and settling, the effect of reducing density

Pending Publication Date: 2021-06-25
江西增孚新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the anti-corrosion coatings on the market are organic anti-corrosion coatings composed of organic resin emulsion as the base material, plus fillers and anti-corrosion pigments. This organic anti-corrosion coating causes serious pollution to the environment.
[0004] Although the existing inorganic anti-corrosion coatings use inorganic materials as the main film-forming substance, most of them will be modified by adding organic components, or directly adding some organic additives, which does not conform to the concept of green environmental protection; and the anti-corrosion of a few pure inorganic components Coating, its anti-corrosion performance, adhesion, coating strength and other properties are often mediocre, and it is difficult to meet the needs of industrial applications

Method used

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  • Inorganic anticorrosive coating and preparation method thereof
  • Inorganic anticorrosive coating and preparation method thereof

Examples

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Effect test

Embodiment 1

[0033] This embodiment provides an inorganic anticorrosive coating comprising a component and a component B, including 20 parts of soluble phosphate, 5 parts of a rare earth ultrafine powder, 10 nanometrium oxide powder, deion 40 parts of water, 2 gas-phase silica, the preparation of the B component comprising a sheet-like ultrafine zinc powder, zinc sulfate powder, and water.

[0034] The mass ratio of the A component and the B component is 1: 0.3, the sheet-shaped ultrafine zinc powder, zinc sulfate powder, and water mass ratio of 1: 0.2: 0.8.

[0035] The soluble phosphate is a dihydrogen phosphate which includes 10 parts of nano-magnesium oxide which have a median diameter of 10 μm and a film thickness of 0.1 μm.

[0036] This embodiment also provides a method of preparing an inorganic anti-corrosion coating comprising the steps of:

[0037] Preparation of a component: dissolve the soluble phosphate in deionized water, then mixed with rare earth ultrafine powder, nano metal ox...

Embodiment 2

[0041] This embodiment provides an inorganic anticorrosive coating comprising a component and a component B, including 20 parts of soluble phosphate, 5 parts of a rare earth ultrafine powder, 10 nanometrium oxide powder, deion 40 parts of water, 2 parts of gas phase silica, 3 metal fibers, the preparation of the B component, including sheet-shaped ultrafine zinc powder, zinc sulfate powder, water.

[0042] The metal fiber has a diameter of 0.5 μm, and the function function of the metal fiber is smaller than the metal substrate applied by the coating.

[0043] This embodiment also provides a method of preparing an inorganic anti-corrosion coating comprising the steps of:

[0044] Preparation of the A component: The 7 / 8 soluble phosphate is first dissolved in deionized water, and then the metal fibers are prepared, and then mixed with rare earth ultrafine powder, nano metal oxide powder, gas phase silica together. The mixed powder was uniform, followed by mixing the mixed powder and...

Embodiment 3

[0054] This embodiment provides an inorganic anti-corrosion coating comprising a component and a component B, including 25 parts of soluble phosphate, 6.5 parts of rare earth ultrafine powder, 15 nanometronium oxide powders, deion 55 parts of water, 2.5 parts of gas-phase silica, 4.5 parts of metal fibers, the preparation of the B component comprising a sheet-like ultrafine zinc powder, zinc sulfate powder, and water.

[0055] The mass ratio of the A component and the B component is 1: 0.4, the sheet supermine zinc powder, zinc sulfate powder, and water mass ratio of 1: 0.25: 1.

[0056] The soluble phosphate is a trihydroductary acid dihydroduct, and the nano metal oxide powder comprises 5 parts of nano-alumina, 5 parts of nano silicon oxide, the median medium having a median ultrafine zinc powder is 12.5 μm, the film thickness was 0.15 μm.

[0057] The metal fiber has a diameter of 0.65 μm, and the function function of the metal fiber is smaller than the metal substrate applied ...

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Abstract

The invention discloses an inorganic anticorrosive coating and a preparation method thereof, wherein the coating comprises a component A and a component B; the component A comprises 20-30 parts of soluble phosphate, 5-8 parts of rare earth ultrafine powder, 10-20 parts of nano metal oxide powder, 40-70 parts of deionized water and 2-3 parts of fumed silica, and the component B is prepared from flaky ultrafine zinc powder, zinc sulfate powder and water. The inorganic anticorrosive coating provided by the invention has the advantages that the anticorrosive property of the coating can be obviously improved, the adhesive force is good, the coating layer strength is high, particularly, the coating is pure inorganic components, and the raw materials are directly taken from the nature, are rich in source and are green and environment-friendly.

Description

Technical field [0001] The present invention belongs to the field of inorganic coating, and more particularly to an inorganic anticorrosive coating and a preparation method thereof. Background technique [0002] The high-speed development of modern world economic leap and world industrialization has led to a sharp deterioration of the earth environment, and severe pollution threatens human living space. "Green", "Environmental Protection" is to highly attach great importance to the requirements of the coating industry after ecological environment, and also the development direction of coatings. Inorganic coatings are all inorganic mineral coatings, which have natural environmental properties, with most of the same production costs, difficult to achieve aging and certain physical chemical properties, making inorganic coatings have better technical and economic performance and application prospects. [0003] Anti-corrosion coating, generally divided into conventional anticorrosive ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/10C09D7/61C09D7/62
CPCC09D1/00C09D5/106C09D7/61C09D7/70C09D7/62
Inventor 赖超英金度亨赖骞
Owner 江西增孚新材料科技有限公司
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