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A heat-resistant, acid- and alkali-resistant coating and a preparation method thereof

A technology of acid and alkali resistance and coating, applied in polyester coatings, coatings, etc., can solve the problems of heat resistance, poor acid and alkali resistance of coatings, etc.

Inactive Publication Date: 2016-02-24
上海世范乐建新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved: the problem of poor heat resistance and acid and alkali resistance of conventional coatings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] (1) Set the temperature of the reaction tank to 80°C, and after the temperature stabilizes, add 21kg of polychlorotrifluoroethylene, 12kg of urea-formaldehyde resin, and 9kg of fatty acid diethanolamine to the reaction tank. Stir the above three components. The stirring speed is 80rpm and the time is 40min; (2) Add 7kg of alkyd resin and 7kg of ethyl cellulose to the reaction tank, stir again, the stirring speed is 80rpm, time is 30min; (3) Set the temperature of the reaction tank Set it to 40℃. After the temperature stabilizes, add 3kg of acetone, 2kg of isopropanol, 14kg of n-butanol, and stir after dissolution. The stirring speed is 80rpm and the time is 30min; (4) After the reaction tank is cooled to room temperature , Prepared heat-resistant acid and alkali resistant paint.

Embodiment 2

[0010] (1) Set the temperature of the reaction tank to 70°C. After the temperature stabilizes, add 24kg of polychlorotrifluoroethylene, 14kg of urea-formaldehyde resin, and 7kg of fatty acid diethanolamine to the reaction tank. Stir the above three components. The stirring speed is 80rpm and the time is 40min; (2) Add 8kg of alkyd resin and 5kg of ethyl cellulose to the reaction tank, stir again, the stirring speed is 80rpm, time is 30min; (3) Change the temperature of the reaction tank Set it to 40℃, after the temperature stabilizes, add 4kg of acetone, 3kg of isopropanol, 7kg of n-butanol, and stir after dissolution. The stirring speed is 80rpm and the time is 30min; (4) After the reaction tank is cooled to room temperature , Prepared heat-resistant acid and alkali resistant paint.

Embodiment 3

[0012] (1) Set the temperature of the reaction tank to 60°C, and after the temperature stabilizes, add 27kg of polychlorotrifluoroethylene, 15kg of urea-formaldehyde resin, and 8kg of fatty acid diethanolamine to the reaction tank, and stir the above three components. The stirring speed is 80rpm and the time is 40min; (2) Add 10kg of alkyd resin and 6kg of ethyl cellulose to the reaction tank, stir again, the stirring speed is 80rpm, time is 30min; (3) Change the temperature of the reaction tank Set it to 40℃, after the temperature stabilizes, add 6kg of acetone, 4kg of isopropanol, and 10kg of n-butanol. After dissolving, stir, the stirring speed is 80rpm, and the time is 30min; (4) Wait for the reaction tank to cool to room temperature , Prepared heat-resistant acid and alkali resistant paint.

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Abstract

The invention discloses a heat-resistant and acid-alkali-resistant coating and a preparation method thereof. The heat-resistant and acid-alkali-resistant coating consists of the following components in parts by weight: 21-27 parts of polytrifluorochloroethylene, 12-15 parts of urea-formaldehyde resin, 7-9 parts of fatty diethanol amide, 7-10 parts of alkyd resin, 5-7 parts of ethyl cellulose, 3-6 parts of acetone, 2-4 parts of isopropanol and 7-14 parts of n-butyl alcohol. The components of the coating are subjected to dissolving, heating, stirring and the like to prepare the heat-resistant and acid-alkali-resistant coating. The prepared coating can resist 400-500 DEG C for 80 hours without change, and can be soaked in a 5wt% potassium hydroxide solution and a 15wt% acetic acid solution for 30-40 hours without change.

Description

Technical field [0001] The invention relates to a paint and a preparation method thereof, in particular to a heat-resistant acid and alkali resistant paint and a preparation method thereof. Background technique [0002] Coatings have a wide range of uses, and can be widely used on building exterior walls, floors, and appliance surfaces. In some special fields, the acid-base performance and heat resistance of the coating have a great influence on the stability of the coating. For example, in some acid-base production workshops, the acid-base resistance of the coating is relatively high. Standards, if the relevant standards are not met, it will affect normal production. In addition, in high temperature environments, there are also very high requirements for the high temperature resistance of the coating. Only with heat resistance and acid and alkali resistance can it be applied To the special field. Summary of the invention [0003] Technical problem to be solved: conventional coa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D127/12C09D161/24C09D167/08C09D7/12
Inventor 石小强
Owner 上海世范乐建新材料有限公司
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