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High performance water-based industrial anti-corrosion coating and preparation method thereof

A kind of anti-corrosion coating, high-performance technology, applied in the field of coatings, can solve the problems of slow drying of the paint film, easy to bite the bottom, pollute the environment, etc., achieve good water resistance and salt spray resistance, high chemical resistance, and excellent comprehensive performance Effect

Active Publication Date: 2015-02-25
山东奔腾漆业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There are few types of water-based epoxy ester resins available in the market, most of which are emulsion-type water-based epoxy ester resins. The performance of water-based industrial anti-corrosion paints prepared with them is poor, and the hardness, salt spray resistance and chemical medium resistance cannot meet the index requirements.
Solvent-based epoxy ester anti-corrosion coatings can meet the coating and protection requirements of steel structures and auto parts surfaces, but the paint film dries slowly, and it is easy to bite the bottom when it is matched with the top coat. Moreover, it uses organic solvents as diluents and has high VOC content. ,polluted environment
However, the physical and chemical properties of water-based industrial anti-corrosion coatings prepared by acrylic emulsion and water-based epoxy ester emulsion can only meet the general decoration protection requirements, and are not suitable for industrial fields with high requirements for salt spray resistance and chemical medium resistance.

Method used

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  • High performance water-based industrial anti-corrosion coating and preparation method thereof
  • High performance water-based industrial anti-corrosion coating and preparation method thereof
  • High performance water-based industrial anti-corrosion coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] High-performance water-based industrial anticorrosion coatings, comprising the following components by weight:

[0033]

[0034] Wherein, the mass solid concentration of waterborne epoxy ester resin is 65%, and it is made up of the component of following parts by weight:

[0035]

[0036] Its preparation method comprises the following steps:

[0037] (1) Add the water-based epoxy ester resin of 65% formula quantity into the batching tank, add deionized water with 50% formula quantity under stirring and stir evenly, then add water-based anti-sedimentation agent, and disperse for 10 minutes at a speed of 1000 rpm;

[0038] (2) Add dispersant, defoamer, pigments and fillers, chrome-free antirust pigment, and disperse for 20 minutes at a speed of 1000 rpm to obtain a slurry;

[0039] (3) The slurry is sent into a sand mill for grinding, and after the fineness reaches 35 microns, it is poured into a paint tank, and the water-based epoxy ester resin of a surplus is ad...

Embodiment 2

[0047] High-performance water-based industrial anticorrosion coatings, comprising the following components by weight:

[0048]

[0049] Wherein, the mass solid concentration of waterborne epoxy ester resin is 65%, and it is made up of the component of following parts by weight:

[0050]

[0051] Its preparation method comprises the following steps:

[0052] (1) Add 60% of the water-based epoxy ester resin in the formulation amount into the batching tank, add 40% of the deionized water in the formulation amount under stirring and stir evenly, then add the water-based anti-sedimentation agent, and disperse for 15 minutes at a speed of 800 rpm;

[0053] (2) Add dispersant, defoamer, pigments and fillers, chrome-free antirust pigment, and disperse for 15 minutes at a speed of 800 rpm to obtain a slurry;

[0054] (3) The slurry is sent into a sand mill for grinding, and after the fineness reaches 35 microns, it is poured into a paint tank, and the water-based epoxy ester re...

Embodiment 3

[0062] High-performance water-based industrial anticorrosion coatings, comprising the following components by weight:

[0063]

[0064] Wherein, the mass solid concentration of waterborne epoxy ester resin is 65%, and it is made up of the component of following parts by weight:

[0065]

[0066] Its preparation method comprises the following steps:

[0067] (1) Add 70% of the water-based epoxy ester resin in the formulation amount into the batching tank, add 60% of the deionized water in the formulation amount under stirring and stir evenly, then add the water-based anti-sedimentation agent, and disperse for 5 minutes at a speed of 1200 rpm;

[0068] (2) Add dispersant, defoamer, pigment and filler, chrome-free antirust pigment, and disperse for 25 minutes with a rotating speed of 1200 rpm to obtain a slurry;

[0069] (3) The slurry is sent into a sand mill for grinding, and after the fineness reaches 35 microns, it is poured into a paint tank, and the water-based epox...

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Abstract

The invention provides a high performance water-based industrial anti-corrosion coating which comprises the following components by weight: 30-45 parts of water-based epoxy ester resin; 10-25 parts of pigments and fillers; 10-25 parts of a non-chromium antirust pigment; 0.5-1 part of water-based anti-settling agent BENTONE DE; 0.5-1.5 parts of dispersing agent NUOSPERSE FX 365; 0.3-1 part of defoaming agent DAPR0DF 1181; 1-2 parts of a water-based drier; 0.5-2.5 parts of water-based wax slurry DeuWax W-2340; 0.3-0.5 parts of leveling agent RHEOLATE FX1070; 0.1-0.8 part of anti flash rust agent NALZIN FA179; and 15-25 parts of deionized water. The high performance water-based industrial anti-corrosion coating has good chemical resistance, water resistance and salt fog resistance, and wide application range.

Description

technical field [0001] The invention belongs to the field of coatings, in particular to a high-performance water-based industrial anticorrosion coating and a preparation method thereof. Background technique [0002] Anti-corrosion coatings, generally divided into conventional anti-corrosion coatings and heavy-duty anti-corrosion coatings, are an indispensable coating in paint coatings. Conventional anti-corrosion coatings play an anti-corrosion effect on metals under normal conditions and protect the service life of non-ferrous metals; A type of anti-corrosion coating that achieves a longer protection period than conventional anti-corrosion coatings. Anti-corrosion coatings mainly include solvent-based epoxy ester anti-corrosion coatings, water-based industrial anti-corrosion coatings, etc. [0003] There are few types of water-based epoxy ester resins available in the market, most of which are emulsion-type water-based epoxy ester resins. The performance of water-based in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/10C09D5/08C09D7/12C08G59/14
CPCC08G59/1438C09D5/084C09D7/61C09D163/10C08L91/06C08K13/02C08K2003/2241C08K2003/328C08K2003/3045C08K3/34C08K2003/265C08K2003/321
Inventor 杨树民邵瑞峰梁淑华
Owner 山东奔腾漆业股份有限公司
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