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Coating additive

A technology of coating additives and solvents, applied in the direction of coating, etc., can solve the problems of inconspicuous effect and damage to the colloidal balance of the connecting material, and achieve the effect of low price, good miscibility, and suitable oxidation

Inactive Publication Date: 2017-09-15
王蒙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] (2) Promote gelation due to solvent volatilization
[0006] (3) The colloidal balance of the binder is destroyed due to the above two factors
[0007] In the production process of paint, measures to isolate air such as solvent covering are often used to delay skinning, but the effect is not obvious

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0021] 20 parts of butyraldoxime, 40 parts of cyclohexanone oxime, 15 parts of linseed oil, 10 parts of castor oil, 5 parts of sodium stearate, 120 parts of dipentene.

Embodiment approach 2

[0023] 30 parts of butyraldehyde oxime, 30 parts of cyclohexanone oxime, 19 parts of linseed oil, 5 parts of castor oil, 8 parts of sodium stearate, 80 parts of dipentene.

Embodiment approach 3

[0025] 26 parts of butyraldoxime, 33 parts of cyclohexanone oxime, 16 parts of linseed oil, 7 parts of castor oil, 6 parts of fatty acid glycerides, 110 parts of dipentene.

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PUM

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Abstract

The invention relates to a coating additive, and especially relates to a coating additive having good crust resistance. The coating additive comprises, by mass, 20-30 parts of butyraldehyde oxime, 30-40 parts of cyclohexanone oxime, 15-19 parts of linseed oil, 5-10 parts of castor oil and 80-120 parts of a solvent. The coating additive can prevent the oxidative polymerization film formation of a coating, can delay the formation of gel in order to reach crust resisting, and can form a complex together with the metal part of a drier, so the coating loses dryness assisting property, and the crusting is delayed. The coating additive has the advantages of low price, suitable oxidizability, and good miscibility with multiple coatings.

Description

technical field [0001] The invention relates to a coating additive, in particular to a coating additive with good anti-skinning performance. Background technique [0002] The skinning of air-drying coatings during use and storage is firstly manifested by the volatilization of solvents, and then the surface is oxidized and polymerized to gel. The early gel can be restored to the original fluid state by stirring, and as time goes on, the gel gradually hardens, and can be removed by filtration. If the film is hard enough, it can be directly cut and removed. Eventually, the film thickens so that it all gels into a solid state. [0003] There are three reasons for the formation of crusts: [0004] (1) The surface of the paint is in contact with the air, and second, the surface of the paint is oxidized and polymerized. [0005] (2) The gelation is promoted due to the volatilization of the solvent. [0006] (3) The colloidal balance of the binder is destroyed due to the above ...

Claims

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Application Information

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IPC IPC(8): C09D7/12
Inventor 王蒙
Owner 王蒙
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