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Water-based sealing protective agent and preparation method thereof

A protective agent, water-based technology, used in coatings, anti-corrosion coatings, epoxy resin coatings, etc., can solve problems such as heavy metal poisoning and human harm, and achieve the effect of improving corrosion resistance and anti-oxidation effect.

Inactive Publication Date: 2020-04-17
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the commonly used sealing agents on the market are compounds containing inactive heavy metals such as chromium and antimony. Although the effect is good, it is easy to cause heavy metal poisoning, which is extremely harmful to the human body.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The invention discloses a water-based sealing and protecting agent, which comprises the following components according to important parts: 3 parts of citric acid, 3 parts of butylated hydroxyanisole, 1 part of two-component water-based polyurethane resin, and 1 part of water-based epoxy resin 1 part, KH550 1 part, polyquaternium 5 parts, water 50 parts.

[0027] The present invention also provides a preparation method of a water-based sealing and protecting agent, the specific steps comprising:

[0028] (1) Add 20 parts of water into the reaction kettle, add 1 part of water-based epoxy resin and stir evenly, then slowly add part of 1 part of water-based polyurethane resin to the mixed solution, and stir quickly until fully mixed, then add dropwise and stir again;

[0029] (2) Find another new reaction kettle, add 10 parts of water and ethanol mixture into the reaction kettle, add 3 parts of butyl hydroxyanisole, 500-1000 rpm, stir well;

[0030] (3) Add 3 parts of citr...

Embodiment 2

[0035] The invention discloses a water-based sealing and protecting agent, which comprises the following components according to the important parts: 4 parts of citric acid, 4 parts of butylated hydroxyanisole, 2 parts of two-component water-based polyurethane resin, and 2 parts of water-based epoxy resin 1 part, KH560 1 part, polyquaternium 6 parts, water 70 parts.

[0036] The present invention also provides a preparation method of a water-based sealing and protecting agent, the specific steps comprising:

[0037] (1) Add 30 parts of water into the reaction kettle, add 2 parts of water-based epoxy resin and stir evenly, then slowly drop 2 parts of water-based polyurethane resin into the mixed solution, and stir quickly until fully mixed, then add dropwise and stir again;

[0038] (2) Find another new reaction kettle, add 10 parts of water and ethanol mixture into the reaction kettle, add 4 parts of butylated hydroxyanisole, 500-1000 rpm, and stir evenly;

[0039] (3) Add 4 ...

Embodiment 3

[0044] The invention discloses a water-based sealing and protecting agent, which comprises the following components according to important parts: 5 parts of citric acid, 5 parts of butylated hydroxyanisole, 3 parts of two-component water-based polyurethane resin, and 3 parts of water-based epoxy resin Parts, 2 parts of KH570, 7 parts of polyquaternium, 100 parts of water.

[0045] The present invention also provides a preparation method of a water-based sealing and protecting agent, the specific steps comprising:

[0046] (1) Add 30 parts of water into the reaction kettle, add 3 parts of water-based epoxy resin and stir evenly, then slowly drop 3 parts of water-based polyurethane resin into the mixed solution, and stir quickly until fully mixed, then add dropwise and stir again;

[0047] (2) Find another new reaction kettle, add 20 parts of water and ethanol mixture into the reaction kettle, add 5 parts of butylated hydroxyanisole, 500-1000 rpm, and stir evenly;

[0048] (3) ...

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PUM

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Abstract

The invention discloses a water-based sealing protective agent and a preparation method thereof, belonging to the technical field of auxiliaries. The water-based sealing protective agent comprises thefollowing raw materials in parts by weight: 3 to 5 parts of citric acid, 3 to 5 parts of butylated hydroxyanisole, 1 to 3 parts of bi-component waterborne polyurethane resin, 1 to 3 parts of waterborne epoxy resin, 1 to 2 parts of a coupling agent, 5 to 7 parts of polyquaternium and 50 to 100 parts of water. The preparation method of the water-based sealing protective agent is simple in process and easy to operate, has remarkable effect, can tolerate neutral salt mist for 275 hours, and is non-toxic, harmless, non-irritant to human bodies and free of damage to base materials.

Description

technical field [0001] The invention relates to a water-based sealing and protecting agent and a preparation method thereof, belonging to the technical field of auxiliary agents. Background technique [0002] In daily life, people use countless metal devices, but metal devices have a shortcoming that they are not resistant to corrosion, so metal protective agents emerge spontaneously. The protective agent occupies a large proportion in the surface treatment of the metal. Whether it is electroplating or surface cleaning, if the post-treatment is not good, the corrosion of the metal surface will be accelerated and the service life of the metal will be reduced. Therefore, the appearance of the sealant has a great impact on the anti-corrosion of the metal. progress. At present, the commonly used sealing agents on the market are compounds containing inactive heavy metals such as chromium and antimony. Although the effect is good, it is easy to cause heavy metal poisoning, which ...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D163/00C09D5/08C09D7/63
CPCC08L2201/08C09D5/08C09D163/00C09D175/04C09D7/63C08L63/00C08K5/092C08K5/13C08L75/04C08K5/544C08K5/5435C08K5/5425
Inventor 张丹刘帅郑磊季静怡聂宜苹
Owner JIANGNAN UNIV
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