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A kind of water-based epoxy anticorrosion coating on concrete surface

A concrete surface, water-based epoxy technology, used in the field of coatings, can solve the problems of unsatisfactory paint film performance and toxicity, and achieve excellent oil resistance and corrosion resistance, excellent wear resistance and corrosion resistance. Medium resistance, fine particle effect

Inactive Publication Date: 2016-04-20
CHANGZHOU CITY LATE COATINGS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the water-based epoxy coatings currently on the market can be water-based, they still contain a small amount of alcohol ether solvents, which will produce certain toxicity. Although some can meet environmental protection requirements, their paint film performance is not ideal.

Method used

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  • A kind of water-based epoxy anticorrosion coating on concrete surface
  • A kind of water-based epoxy anticorrosion coating on concrete surface
  • A kind of water-based epoxy anticorrosion coating on concrete surface

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Weigh the following raw materials according to weight unit: 50 parts by weight of water-based epoxy resin, 10 parts by weight of deionized water, 0.6 parts by weight of dispersant (H5040), 0.2 parts by weight of defoamer (SN-154), wetting agent (OP-154) 10) 0.3 parts by weight, 5 parts by weight of titanium ash powder, 8 parts by weight of silicon micropowder, 4 parts by weight of precipitated barium sulfate, 20 parts by weight of hollow glass microspheres, 0.3 parts by weight of thickener (ACRYSOLASE-60), bactericide in the tank 0.1 parts by weight, 1.5 parts by weight of anti-metal corrosion agent (metal chelate of ethylenediaminetetraacetic acid); 30 parts by weight of water-based epoxy curing agent.

[0023] Control the dispersion speed of the high-speed disperser at 300 rpm, and add water-based epoxy resin, deionized water, dispersant, defoamer, and wetting agent in sequence. When adding the dispersant, defoamer, and wetting agent, It needs to be added slowly while...

Embodiment 2

[0031] Weigh the following raw materials according to weight unit: 45 parts by weight of water-based epoxy resin, 6.6 parts by weight of deionized water, 0.9 parts by weight of dispersant (H5040), 0.6 parts by weight of defoamer (SN-154), wetting agent (OP-154) 10) 0.6 parts by weight, 10 parts by weight of titanium ash powder, 10 parts by weight of silicon micropowder, 10 parts by weight of precipitated barium sulfate, 13 parts by weight of hollow glass microspheres, 0.6 parts by weight of thickener (ACRYSOLASE‐60), bactericide in the tank 0.2 parts by weight, 2.5 parts by weight of an anti-metal corrosion agent (a chelated zinc compound of ethylenediaminetetraacetic acid and dialkyldithiophosphoric acid); 30 parts by weight of a water-based epoxy curing agent.

[0032] Control the dispersion speed of the high-speed disperser at 300 rpm, and add water-based epoxy resin, deionized water, dispersant, defoamer, and wetting agent in sequence. When adding the dispersant, defoamer, ...

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Abstract

The invention relates to a water-borne epoxy anticorrosive paint for a concrete surface. The paint comprises a component A and a component B, wherein the weight ratio of the component A to the component B is 100:30; the component A is prepared from the following raw materials in parts by weight: 45-65 parts of water-borne epoxy resin, 5-17 parts of deionized water, 0.4-0.9 part of a dispersing agent, 0.1-0.6 part of a defoamer, 0.3-0.6 part of a wetting agent, 5-12 parts of titanium gray powder, 6-12 parts of silica powder, 4-10 parts of precipitated barium sulphate, 12-22 parts of hollow glass beads, 0.3-0.6 part of a thickener, 0.1-0.2 parts of tank fungicide and 1.2-2.5 parts of metal rust remover; the component B is a water-borne epoxy curing agent. The water-borne epoxy anticorrosive paint is a complete water-borne environmental paint, is free of a chemical solvent, and can achieve more excellent abrasive resistance and resistance to corrosion medium as compared with the similar paint after a film is solidified, and the product cost can be effectively reduced.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to a water-based epoxy anticorrosion coating for concrete surfaces. Background technique [0002] At present, global environmental protection has been paid more and more attention to, and the development and promotion of environmentally friendly low-VOC or even zero-VOC environmentally friendly high-performance anti-corrosion coatings has a broad prospect. Although the water-based epoxy coatings currently on the market can be water-based, they still contain a small amount of alcohol-ether solvents, which will produce certain toxicity. Although some can meet environmental protection requirements, their paint film performance is not ideal. Contents of the invention [0003] In order to solve the shortcomings in the above technical problems, the present invention provides an all-water-based environment-friendly water-based epoxy anti-corrosion coating for concrete surfaces. [0004...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D7/12C09D5/08C04B41/50
Inventor 周永荣吴善林周建定周剑辉
Owner CHANGZHOU CITY LATE COATINGS
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