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Quick-drying peelable paint and preparation method thereof

A coating and quick-drying technology, used in anti-corrosion coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of limited application, easy rust on metal surfaces, long drying time, etc., and achieve mature technology and short drying time. , the effect of faster drying

Active Publication Date: 2017-11-10
SHANGHAI APPLIED TECHNOLOGIES COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, solvent-based strippable coatings containing aromatic hydrocarbons have good performance, but they gradually fade out of the market because they do not meet environmental protection requirements. Although the current water-based strippable coatings meet environmental protection, they have long drying time (2~3 hours), When used on the surface of metal objects, the metal surface is prone to rust and other problems. It is difficult to meet the needs of high-performance coatings for rapid production on high-speed production lines and social development, which greatly limits its popularization and application.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] A quick-drying peelable coating, calculated in parts by weight, its raw material composition and content are as follows:

[0063] 60-70 parts of the first alcohol-soluble resin;

[0064] 60-70 parts of the second alcohol-soluble resin;

[0065] Leveling agent 0.05-0.1 part;

[0066] Wetting agent 1-10 parts;

[0067] 0.2-1 part of defoamer;

[0068] 3-8 parts of composite iron and titanium powder;

[0069] Functional filler 10-20 parts;

[0070] Wherein said first alcohol-soluble resin is alcohol-soluble self-crosslinking acrylate resin;

[0071] The second alcohol-soluble resin is alcohol-soluble fluorine-containing polyurethane resin;

[0072] Described composite iron-titanium powder is the H-803 composite iron-titanium powder of Jinan Huate Chemical Co., Ltd.;

[0073] Described leveling agent is BYK 346 of BYK company;

[0074] Described wetting agent is NP-100 of U.S. Dow Company;

[0075] Described defoamer is the Nopco NXZ of German Henkel Company;

[007...

Embodiment 2

[0083] A quick-drying peelable coating, calculated in parts by weight, its raw material composition and content are as follows:

[0084] 60-70 parts of the first alcohol-soluble resin;

[0085] 60-70 parts of the second alcohol-soluble resin;

[0086] Leveling agent 0.05-0.1 part;

[0087] Wetting agent 1-10 parts;

[0088] 0.2-1 part of defoamer;

[0089] 3-8 parts of composite iron and titanium powder;

[0090] Functional filler 10-20 parts;

[0091] Wherein said first alcohol-soluble resin is alcohol-soluble self-crosslinking acrylate resin;

[0092] The second alcohol-soluble resin is alcohol-soluble fluorine-containing polyurethane resin;

[0093] Described composite iron-titanium powder is the H-803 composite iron-titanium powder of Jinan Huate Chemical Co., Ltd.;

[0094] The leveling agent is Germany BYK BYK-3510;

[0095] Described wetting agent is NP-100 of U.S. Dow Company;

[0096] Described defoamer is the Nopco NXZ of German Henkel Company;

[0097] The...

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Abstract

The invention discloses quick-drying peelable paint. The paint is prepared from, by weight, 60-70 parts of first alcohol soluble resin, 60-70 parts of second alcohol soluble resin, 0.05-0.1 part of a flatting agent, 1-10 parts of a wetting agent, 0.2-1 part of defoamer, 3-8 parts of composite iron-titanium powder and 10-20 parts of functional fillers. The invention further provides a preparation method of the paint, part of the wetting agent, the defoamer, the composite iron-titanium powder and ethyl alcohol are added into a high-speed dispersion machine, after dispersion is conducted, the functional fillers are added, dispersion is conducted, then, the first alcohol soluble resin, the second alcohol soluble resin and the remaining defoamer, wetting agent and flatting agent are added, the mixture is stirred to be uniform, dispersion is conducted continuously, after mixing is conducted to be uniform, filter residues are removed through filtration, and then the quick-drying peelable paint is obtained. The paint has the advantages of being high in drying speed, good in anti-rust property and good in peelability.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and relates to a coating, in particular to a quick-drying peelable coating and a preparation method thereof. Background technique [0002] Peelable paint is a temporary protective material with polymer as the main film-forming substance. It is sprayed on the surface of the object when it is used, and it will protect the object for a short time after the film is formed; The film layer is gently peeled off from the surface of the object to be coated by hand, which will not only cause no damage to the surface of the object to be coated, but also make the appearance of the original device as clean as new. Strippable coatings are widely welcomed by industries such as instruments, meters, home appliances, machinery, automobiles, and electronic appliances due to their convenient coating and easy peeling, and are developing rapidly. [0003] At present, there are mainly two types of solvent-ba...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D175/04C09D5/10C09D5/20C09D7/12
CPCC08K2003/0856C08K2003/0881C09D5/10C09D5/20C09D133/00C09D175/04C08L75/04C08K3/08C08K3/34C08L33/00
Inventor 张英强李婧怡李烨谢志伟
Owner SHANGHAI APPLIED TECHNOLOGIES COLLEGE
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