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High-solid epoxy zinc phosphate primer paint and preparation method of high-solid epoxy zinc phosphate primer paint

An epoxy zinc phosphate, high-solid technology, applied in the field of coatings, can solve the problems of high organic volatile content, unfavorable environmental protection and health, low solid content, etc., and achieve the effect of reducing emissions

Inactive Publication Date: 2016-01-20
COSCO KANSAI PAINT & CHEM TIANJIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The modified epoxy primers with stable rust fixing and chelating functions in existing patents are usually one-component, generally flexible, low-viscosity epoxy coatings, but low-viscosity epoxy coatings are usually low in solid content , the organic volatile content is very high, which is not conducive to environmental protection and health

Method used

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  • High-solid epoxy zinc phosphate primer paint and preparation method of high-solid epoxy zinc phosphate primer paint
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  • High-solid epoxy zinc phosphate primer paint and preparation method of high-solid epoxy zinc phosphate primer paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of high-solid epoxy zinc phosphate primer paint, comprising by weight parts:

[0027]

[0028] The pigments include colored pigments and antirust pigments, and the weight ratio of the antirust pigments to the colored pigments is 1:1.

[0029] The antirust pigment is zinc phosphate antirust pigment.

[0030] The auxiliary agent includes a dispersant, a thickener, a defoamer and a leveling agent prepared in a ratio of 1:1.4:1:1 by weight.

[0031] Its preparation method comprises the following steps:

[0032] (1) Mix and disperse low-polymerization modified epoxy resin, low-viscosity epoxy polysiloxane resin, inorganic filler and organic solvent;

[0033] (2) Add additives and pigments to disperse;

[0034] (3) After adding low-viscosity cycloaliphatic epoxy curing agent, sanding, and then dispersing, the product can be obtained.

Embodiment 2

[0036] A kind of high-solid epoxy zinc phosphate primer paint, comprising by weight parts:

[0037]

[0038] The pigments include colored pigments and antirust pigments, and the weight ratio of the antirust pigments to the colored pigments is 1.5:1.

[0039] The antirust pigment is zinc phosphate antirust pigment.

[0040] The additives include dispersant, thickener, defoamer and leveling agent formulated according to the ratio of 1.6:1:1.9:1 by weight.

[0041] The preparation method is the same as in Example 1.

Embodiment 3

[0043] A kind of high-solid epoxy zinc phosphate primer paint, comprising by weight parts:

[0044]

[0045]

[0046] The pigments include colored pigments and antirust pigments, and the weight ratio of the antirust pigments to the colored pigments is 1.25:1.

[0047] The antirust pigment is zinc phosphate antirust pigment.

[0048] The auxiliary agent includes a dispersant, a thickener, a defoamer and a leveling agent prepared in a ratio of 1.3:1.14:1.5:1 by weight.

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Abstract

The invention relates to a high-solid epoxy zinc phosphate primer paint formula and a preparation method of high-solid epoxy zinc phosphate primer paint. The high-solid epoxy zinc phosphate primer paint is mainly applied to the protection of metal materials of containers, ships, automobiles, hardware, engineering machinery, bridges, sea engineering and the like, and comprises polymers (including low-polymerization-degree modified epoxy resin, low-viscosity epoxy polysiloxane resin and the like), low-viscosity cycloaliphatic amine epoxy solidifying agents, coloring pigment, zinc phosphate anti-rust pigment, inorganic fillers, organic solvents, dispersing agents, thickening agents, defoaming agents and flatting agents. The preparation method of the high-solid epoxy zinc phosphate primer paint formula is also provided. The paint rformula has the advantages that in the production of the high-solid epoxy zinc phosphate primer paint according to the formula, the size solid content are not less than 80 percent; the airless spraying diluent consumption is less than 5 percent; the solvent consumption is reduced by more than 60 percent through being compared with that of the conventional epoxy zinc phosphate paint; the discharge of the organic solvents is greatly reduced; other performance is identical to that of the conventional epoxy zinc phosphate paint.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a high-solid epoxy zinc phosphate primer coating and a preparation method thereof. Background technique [0002] According to reports, iron and steel facilities have been exposed to the atmosphere for a long time, and the amount of corrosion and scrapping accounts for more than 20% of the total steel output every year. In order to prevent corrosion, the most convenient and effective method is to protect it with paint. [0003] The full play of the anti-corrosion performance of coatings mainly depends on good surface treatment. When coating traditional coatings on steel surfaces, it is usually required to completely remove rust (≥ Sa2.5 level). In general, rust removal accounts for about 45% of the construction cost of steel structure maintenance. In the maintenance process of large-scale steel structures that have been built, such as ships with compact structures, limited by constructio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D183/06C09D7/12C09D5/08
Inventor 陈旭东王俊史春晖
Owner COSCO KANSAI PAINT & CHEM TIANJIN
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