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Water-based plate coating and preparation method thereof

A sheet and coating technology, applied in the field of water-based sheet coating and its preparation, can solve the problems of being easily corroded, the anti-corrosion layer is easily scratched and damaged, and achieve the effect of good fullness and excellent mechanical properties.

Inactive Publication Date: 2016-08-24
洪其祥
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  • Abstract
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  • Application Information

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Problems solved by technology

[0002] Color-coated sheet is a new type of sheet that applies an organic coating to the surface of steel or aluminum. It has the advantages of beautiful appearance, bright colors, convenient processing and molding, and can also reduce costs for users. Therefore, color-coated sheets are widely used in the industry. It is widely used in life and daily life, but the current color-coated sheets still need to be strengthened in terms of corrosion resistance, scratch resistance, and surface hardness. Under the action of external forces such as heavy pressure, friction, and scratching, the anti-corrosion layer of the color-coated sheet is easily scratched and damaged. These scratched places are easily corroded, and the weakness of this corrosion determines Extend the life of the entire color-coated sheet

Method used

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Embodiment Construction

[0015] A water-based board coating and a preparation method thereof. A water-based sheet coating, which consists of the following components in parts by weight: 20-25 parts of fatty acid, 40-50 parts of epoxy resin, 10-20 parts of amino resin, 0.1-0.5 parts of zinc oxide, 5- 10 parts, 10-15 parts of heavy calcium powder, 10-12 parts of kaolin, 0.3-0.6 parts of defoamer, 0.5-3 parts of thickener, 0.5-1 part of leveling agent, 0.2-0.8 parts of film-forming agent, anti-corrosion 0.5-1 part of agent, the balance of deionized water.

[0016] As a preference, the above-mentioned water-based board coating is characterized in that the film-forming agent is propylene glycol ether, the defoamer is modified polysiloxane, the thickener is polyurethane, and the leveling agent is fluorine-modified acrylate , the preservative is a heterocyclic compound.

[0017] As preferably, described a kind of water-based plate coating is characterized in that comprising the following steps:

[0018] ①...

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Abstract

The invention relates to the field of water-based coatings, in particular to a water-based plate coating and a preparation method thereof. The water-based plate coating is prepared from, by weight, 20-25 parts of fatty acid, 40-50 parts of epoxy resin, 10-20 parts of amino resin, 0.1-0.5 part of zinc oxide, 5-10 parts of talcum powder, 10-15 parts of heavy calcium powder, 10-12 parts of kaolin, 0.3-0.6 part of a defoaming agent, 0.5-3 parts of a thickening agent, 0.5-1 part of a flatting agent, 0.2-0.8 part of a film forming agent, 0.5-1 part of preservative and the balance of deionized water. The coating has the strong adhesive force, excellent corrosion resistance, high mechanical performance, good durability and good self-cleaning performance, and can meet requirements of different users.

Description

technical field [0001] The invention relates to the field of water-based coatings, in particular to a water-based board coating and a preparation method thereof. Background technique [0002] Color-coated sheet is a new type of sheet that applies an organic coating to the surface of steel or aluminum. It has the advantages of beautiful appearance, bright colors, convenient processing and molding, and can also reduce costs for users. Therefore, color-coated sheets are widely used in the industry. It is widely used in life and daily life, but the current color-coated sheets still need to be strengthened in terms of corrosion resistance, scratch resistance, and surface hardness. Under the action of external forces such as heavy pressure, friction, and scratching, the anti-corrosion layer of the color-coated sheet is easily scratched and damaged. These scratched places are easily corroded, and the weakness of this corrosion determines Extend the life of the entire color-coated ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D161/20C09D7/12
CPCC09D163/00C08L2205/035C09D7/61C09D7/63C08L61/20C08K13/02C08K5/09C08K2003/2296C08K3/34C08K2003/265
Inventor 洪其祥
Owner 洪其祥
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