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Corrosion-resistance anti-rust liquid and preparation method thereof

An anti-rust liquid and anti-corrosion technology, which is applied in the coating process of metal materials, etc., can solve the problems of poor anti-corrosion performance of anti-rust liquid and achieve excellent anti-rust effect

Active Publication Date: 2016-11-09
青岛国祥信达表面处理工程技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The current anti-rust liquid has poor corrosion resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1: Preparation of anti-corrosion and anti-rust liquid

[0017] Raw material weight ratio:

[0018] Water, 170 parts; Polyethylene glycol, 50 parts; Polyvinyl alcohol, 40 parts; Citric acid, 8 parts; Sodium lauryl sulfate, 7 parts; Sodium tetrapolyphosphate, 7 parts; Sodium thiosulfate, 6 parts; Triethanolamine, 5 parts; Benzotriazole, 4 parts; Tetrabutylammonium acetate, 5 parts; Sodium molybdate, 3 parts; Boric acid and n-octanoic acid are 8 parts altogether, and the weight ratio of boric acid and n-octanoic acid is 7:1 .

[0019] Preparation:

[0020] Step S1, adding polyethylene glycol and polyvinyl alcohol into water, and stirring at 45-55°C to dissolve them completely;

[0021] In step S2, other raw materials are added, stirred at 60-70° C. to completely dissolve, and cooled.

Embodiment 2

[0022] Embodiment 2: Preparation of anti-corrosion and anti-rust liquid

[0023] Raw material weight ratio:

[0024] Water, 160 parts; Polyethylene glycol, 45 parts; Polyvinyl alcohol, 35 parts; Citric acid, 7 parts; Sodium lauryl sulfate, 6 parts; Sodium tetrapolyphosphate, 6 parts; Sodium thiosulfate, 5 parts; Triethanolamine, 4 parts; Benzotriazole, 3 parts; Tetrabutylammonium acetate, 4 parts; Sodium molybdate, 2 parts; Boric acid and n-octanoic acid are 7 parts altogether, and the weight ratio of boric acid and n-octanoic acid is 6:1 .

[0025] Preparation:

[0026] Step S1, adding polyethylene glycol and polyvinyl alcohol into water, and stirring at 45-55°C to dissolve them completely;

[0027] In step S2, other raw materials are added, stirred at 60-70° C. to completely dissolve, and cooled.

Embodiment 3

[0028] Embodiment 3: Preparation of anti-corrosion and anti-rust liquid

[0029] Raw material weight ratio:

[0030] Water, 180 parts; Polyethylene glycol, 55 parts; Polyvinyl alcohol, 45 parts; Citric acid, 9 parts; Sodium lauryl sulfate, 8 parts; Sodium tetrapolyphosphate, 8 parts; Sodium thiosulfate, 7 parts; Triethanolamine, 6 parts; Benzotriazole, 5 parts; Tetrabutylammonium acetate, 6 parts; Sodium molybdate, 4 parts; Boric acid and n-octanoic acid are 9 parts altogether, and the weight ratio of boric acid and n-octanoic acid is 8:1 .

[0031] Preparation:

[0032] Step S1, adding polyethylene glycol and polyvinyl alcohol into water, and stirring at 45-55°C to dissolve them completely;

[0033] In step S2, other raw materials are added, stirred at 60-70° C. to completely dissolve, and cooled.

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PUM

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Abstract

The invention discloses corrosion-resistance anti-rust liquid and a preparation method thereof. The corrosion-resistance anti-rust liquid is prepared from, by weight, 160-180 parts of water, 45-55 parts of polyethylene glycol, 35-45 parts of polyvinyl alcohol, 7-9 parts of citric acid, 6-8 parts of sodium lauryl sulfate, 6-8 parts of sodium tetraphosphate, 5-7 parts of sodium thiosulfate, 4-6 parts of triethanolamine, 3-5 parts of benzotriazole, 4-6 parts of tetrabutyl ammonium acetate, 2-4 parts of sodium molybdate, and 7-9 parts of boric acid and n-caprylic acid, wherein the weight ratio of boric acid to n-caprylic acid is (6-8):1. The corrosion-resistance anti-rust liquid provided by the invention is excellent in anti-rust effect and resistant to corrosion, the effect may be related to the weight ratio of boric acid to n-caprylic acid in the raw materials, and the effect is the best when the weight ratio of boric acid to n-caprylic acid is (6-8):1.

Description

technical field [0001] The invention relates to an antirust liquid, in particular to a corrosion-resistant antirust liquid and a preparation method thereof. Background technique [0002] If there is high humidity in the contact environment of the steel, the rusting of the steel will be more serious. There are many ways to prevent steel from rusting. You can spray anti-rust liquid on the surface of the steel, or you can use other methods to treat the rust after the steel is rusted to eliminate rust spots. It is also possible to change the composition of the steel so that the steel has the function of preventing rust. [0003] The current anti-rust liquid has poor corrosion resistance. Contents of the invention [0004] The object of the present invention is to provide a kind of anticorrosion antirust liquid and preparation method thereof. [0005] Above-mentioned purpose of the present invention is achieved by following technical scheme: [0006] A corrosion-resistant a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C22/42
CPCC23C22/42
Inventor 张育栋
Owner 青岛国祥信达表面处理工程技术有限公司