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Anti-corrosive coating having no pollution to environment

An anti-corrosion coating and environmental pollution technology, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of destroying the ecological environment of water bodies, reducing the dissolved oxygen content in water, affecting the marine environment, etc., and improving the anti-corrosion effect. , Enhance polarization resistance, and solve the effect of pollution

Inactive Publication Date: 2014-02-05
湖南福湘涂料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The phosphate in it will cause eutrophication of the water body, lead to excessive algae reproduction, cause a drop in dissolved oxygen content in the water, deteriorate water quality, and degrade the lake, seriously destroying the ecological environment of the water body, threatening the survival of aquatic organisms and human health, and excessive phosphorus It will affect the marine environment and cause red tides

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The anti-corrosion paint that does not pollute the environment of the present invention comprises two components of A and B:

[0024] A component (parts by weight):

[0025] Bisphenol A / F type epoxy resin 40

[0026] Ca-Al phosphosilicate aqueous solution 8

[0027] Titanium dioxide 3

[0028] Barium sulfate 8

[0029] Mica 8

[0030] Wetting agent 1

[0031] B component (parts by weight):

[0032] Xylene 3

[0033] Methyl isobutyl ketone 13

[0034] Ethylene glycol butyl ether 12

[0035] The Ca-Al phosphosilicate aqueous solution is prepared by mixing calcium oxide, aluminum oxide, silicon dioxide, phosphorus pentoxide, and distilled water at a ratio of 31:7:28:26:8, and the pH of the solution is The value is 7.1.

Embodiment 2

[0037] The anti-corrosion paint that does not pollute the environment of the present invention comprises two components of A and B:

[0038] A component (parts by weight):

[0039] Bisphenol A / F type epoxy resin 45

[0040] Ca-Al phosphosilicate aqueous solution 9

[0041] Titanium dioxide 4

[0042] Barium sulfate 9

[0043] mica 9

[0044] Wetting agent 1.5

[0045] B component (parts by weight):

[0046] Xylene 4

[0047] Methyl isobutyl ketone 14

[0048] Ethylene glycol butyl ether 13

[0049] The Ca-Al phosphosilicate aqueous solution is prepared by mixing calcium oxide, aluminum oxide, silicon dioxide, phosphorus pentoxide, and distilled water at a ratio of 31:7:28:26:8, and the pH of the solution is The value is 7.1.

Embodiment 3

[0051] The anti-corrosion paint that does not pollute the environment of the present invention comprises two components of A and B:

[0052] A component (parts by weight):

[0053] Bisphenol A / F type epoxy resin 50

[0054] Ca-Al phosphosilicate aqueous solution 10

[0055] Titanium dioxide 5

[0056] Barium sulfate 10

[0057] Mica 10

[0058]wetting agent 2

[0059] B component (parts by weight):

[0060] Xylene 5

[0061] Methyl isobutyl ketone 15

[0062] Ethylene glycol butyl ether 14

[0063] The Ca-Al phosphosilicate aqueous solution is prepared by mixing calcium oxide, aluminum oxide, silicon dioxide, phosphorus pentoxide, and distilled water at a ratio of 31:7:28:26:8, and the pH of the solution is The value is 7.1.

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PUM

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Abstract

The invention discloses an anti-corrosive coating having no pollution to environment. The anti-corrosive coating is characterized by comprising two components of A and B, wherein the component A comprises a bisphenol A / F epoxy emulasion, a Ca-Al phosphosilicate aqueous solution, titanium dioxide, barium sulfate, mica and a wetting agent; and the component B comprises dimethylbenzene, methyl isobutyl ketone and ethylene glycol monobutyl ether. With the technical solution provided by the invention, environmental pollutions caused by zinc- and phosphate-rich conventional anti-corrosive coatings can be effectively solved. The anti-corrosive agent adopted by the anti-corrosive coating can play anti-corrosive effects from three aspects of physics, chemistry and electrochemistry.

Description

technical field [0001] The invention relates to an anticorrosion coating, in particular to an anticorrosion coating which does not pollute the environment. Background technique [0002] Paint protection is a widely used corrosion protection method. Most of the anti-corrosion coatings used in traditional coatings are pigments containing chromium, lead, and cadmium, such as red lead, lead powder, and chromates of zinc, barium, and lead. The paint prepared from these pigments has good corrosion resistance and is an effective anti-corrosion material. However, these additives are poisonous in themselves, posing serious pollution and threats to human health and the environment. [0003] Zinc phosphate is the most important component of non-toxic anti-corrosion pigments, and its anti-corrosion ability has been affirmed by coatings. However, due to the large particles of ordinary zinc phosphate, its shape is brick-shaped, the specific area is small, and the dispersion is poor. , ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/02C09D5/08C09D7/12
Inventor 刘建新陈海锋陈东辉
Owner 湖南福湘涂料股份有限公司