Waterborne metal rust inhibitor

A metal rust inhibitor, water-based technology, used in anti-corrosion coatings, coatings, polyether coatings, etc., can solve the problems of reduced anti-rust performance, improve anti-rust ability, improve water repellency, and improve anti-rust effect. Effect

Inactive Publication Date: 2016-09-21
陆倩
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, many water-based anti-rust agents currently available on the market can only maintain a good anti-rust effect within one month. With the increase of time, the anti-rust performance gradually decreases, which is far from meeting people's needs for the anti-rust period.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Raw materials: including the following components by weight: 8 parts of tribasic acid, 10 parts of triethanolamine, 8 parts of cyclohexylamine, 4 parts of diethanolamine, 20 parts of horse-propylene copolymer, 40 parts of triethanolamine borate, polyethylene glycol 40 parts of alcohol, 0.5 parts of silicone defoamer, 500 parts of water.

[0010] Preparation:

[0011] S1. Add 200 parts of water into reaction kettle A, raise the temperature to 45°C, add tribasic acid and mix, then add triethanolamine, cyclohexylamine and diethanolamine and stir, keep the reaction temperature at 40°C for 4 hours, and form a mixed solution A;

[0012] S1. Add polyethylene glycol and 300 parts of water into reaction kettle B, add horse-propylene copolymer and triethanolamine borate under stirring, mix well, the temperature is 50°C, and the reaction time is 40 minutes to form a mixed solution B;

[0013] S3. Add the mixed solution A in the reactor A to the reactor B to react with the mixed s...

Embodiment 2

[0016] Raw materials: including the following components by weight: 11 parts of tribasic acid, 15 parts of triethanolamine, 8-16 parts of cyclohexylamine, 6 parts of diethanolamine, 25 parts of horse-propylene copolymer, 50 parts of triethanolamine borate, poly 50 parts of ethylene glycol, 1 part of silicone defoamer, 600 parts of water.

[0017] Preparation:

[0018] S1. Add 300 parts of water into reaction kettle A, raise the temperature to 45°C, add tribasic acid and mix, then add triethanolamine, cyclohexylamine and diethanolamine and stir, keep the reaction temperature at 40°C for 4 hours to form mixed solution A;

[0019] S1. Add polyethylene glycol and 300 parts of water into reaction kettle B, add horse-propylene copolymer and triethanolamine borate under stirring, mix well, the temperature is 50°C, and the reaction time is 40 minutes to form a mixed solution B;

[0020] S3. Add the mixed solution A in the reactor A to the reactor B to react with the mixed solution B,...

Embodiment 3

[0023] Raw materials: including the following components by weight: 14 parts of tribasic acid, 20 parts of triethanolamine, 16 parts of cyclohexylamine, 8 parts of diethanolamine, 30 parts of horse-propylene copolymer, 60 parts of triethanolamine borate, polyethylene glycol 60 parts of alcohol, 1.5 parts of silicone defoamer, 700 parts of water.

[0024] Preparation:

[0025] S1. Add 300 parts of water into reaction kettle A, raise the temperature to 45°C, add tribasic acid and mix, then add triethanolamine, cyclohexylamine and diethanolamine and stir, keep the reaction temperature at 40°C for 4 hours to form mixed solution A;

[0026] S1. Add polyethylene glycol and 400 parts of water into reaction kettle B, add horse-propylene copolymer and triethanolamine borate under stirring, mix well, the temperature is 50°C, and the reaction time is 40 minutes to form a mixed solution B;

[0027] S3. Add the mixed solution A in the reactor A to the reactor B to react with the mixed sol...

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PUM

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Abstract

The invention provides a waterborne metal rust inhibitor. The waterborne metal rust inhibitor comprises the following components in parts by weight: 8 to 14 parts of tribasic acid, 10 to 20 parts of triethanolamine, 8 to 16 parts of cyclohexane, 4 to 8 parts of diethanolamine, 20 to 30 parts of maleic-methyl acrylate copolymer, 40 to 60 parts of triethanolamine borate, 40 to 60 parts of polyethylene glycol, 0.5 to 1.5 parts of a silicone defoamer, and 500 to 700 parts of water. According to the invention, the rust-proof effect is the best due to the synergistic effect of the components of the waterborne metal rust inhibitor. The polyethylene glycol contained in the waterborne metal rust inhibitor can assist film forming, so that the rust inhibitor has a better water repellent effect, and the rust-proof capability is effectively improved, furthermore, the rust-proof time can be prolonged, so that the rust-proof effects of parts can be obviously improved.

Description

technical field [0001] The invention relates to the technical field of antirust agents, in particular to a water-based metal antirust agent. Background technique [0002] When metal products are produced or stored, the environment and other factors make the parts easy to rust, thereby reducing or losing their use value, resulting in safety accidents and economic losses. The direct economic losses caused by metal corrosion in my country are huge every year. [0003] Water-based anti-rust agent is a water-based anti-rust solution, which can effectively protect steel, iron and other materials from rusting. It is popular because of its clean and clean characteristics when used. According to different anti-rust period requirements, if it is mixed with water in a certain proportion, the anti-rust period can reach several days to several months. If there are certain external packaging conditions, the anti-rust time can reach more than one year. However, many water-based anti-rust...

Claims

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Application Information

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IPC IPC(8): C09D171/02C09D135/00C09D5/08C09D7/12
CPCC08K2201/014C08L2205/03C09D5/08C09D7/63C09D7/65C09D171/02C08L35/00C08L83/04C08K5/092C08K5/17C08K5/55
Inventor 陆倩
Owner 陆倩
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