Epoxy alloy industry anti-corrosion paint

An anti-corrosion paint and alloy technology, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve problems such as polluting the environment, brittle paint film, and harming workers' health.

Inactive Publication Date: 2008-09-17
于沛洲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the relatively high density of metal zinc powder, in order to prevent the zinc powder from settling or slow down the settling speed of the zinc powder, it is necessary to add a certain amount of anti-settling agent to the paint; the viscosity of the paint will also increase with the addition of the anti-settling agent Therefore, when choosing epoxy resin, it is necessary to choose a resin with a small molecular weight (E44) as much as possible; in order to meet the brushability during construction, a large amount of solvent should be added to the paint, which will seriously endanger the health of workers and the paint. During the drying process, the solvent volatilizes into the air to pollute the environment and increase the construction cost; after the small molecular weight resin is cured, the brittleness of the paint film is large, and the thermal expansion and contraction of the metal is large. When the temperature changes, the paint film is easy to crack or fall off.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] The quantities in the formula are all parts by mass, and the raw materials are industrial products on the market except the aluminum-magnesium-zinc alloy powder.

[0019] 1. Formula: Group A, name of raw materials, amount added

[0020] E20 125

[0021] Al-Mg-Zn Alloy 185

[0022] Titanium dioxide 30

[0023] Iron Yellow 30

[0024] Swipe right powder 25

[0025] Shen barium 25

[0026] Silica 5

[0027] Mixed solvents 75

[0028] Group B isophorone diamine (IPD) 62.5

[0029] Salicylic acid 7.5

[0030] Benzyl alcohol 53.75

[0031] Other additives 1.25

[0032] 2. Operation method

[0033] Add the mixed solvent into the heating kettle and raise the temperature to 60 degrees, add E20 and start the agitator until the E20 is completely dissolved; take half of the resin liquid and add aluminum-magnesium-zinc alloy to the three-roll machine for grinding and dispersion, and add other pigments and fillers to the other half of the resin liquid Gri...

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PUM

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Abstract

The invention relates to an epoxy alloy industrial anti-corrosive paint, which consists of an ethoxyline resin with high molecular weight, alloy of zinc, magnesium and aluminum, and isophorone diamine. The epoxy alloy industrial anti-corrosive paint is applicable to corrosion prevention of metal in air in coastlands, and is characterized by lower cost than the epoxy zinc-rich paint, long performance life, excellent appearance, and capability of being used as a finish coat alone.

Description

technical field [0001] The invention relates to an anti-corrosion paint, which is composed of epoxy resin with large molecular weight, aluminum-magnesium-zinc alloy and isophorone diammonia (IPD). It is suitable for atmospheric industrial anticorrosion in coastal areas. Background technique [0002] In recent years, epoxy zinc-rich paint is the most used industrial anti-corrosion paint to protect metal. Due to the relatively high density of metal zinc powder, in order to prevent the zinc powder from settling or slow down the settling speed of the zinc powder, it is necessary to add a certain amount of anti-settling agent to the paint; the viscosity of the paint will also increase with the addition of the anti-settling agent Therefore, when choosing epoxy resin, it is necessary to choose a resin with a small molecular weight (E44) as much as possible; in order to meet the brushability during construction, a large amount of solvent should be added to the paint, which will ser...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D7/12C09D5/08
Inventor 于沛洲
Owner 于沛洲
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