Coating capable of quick-drying at normal temperature and resisting corrosion and preparation method thereof

A kind of anti-corrosion coating, normal temperature technology, applied in the direction of anti-corrosion coating, coating, etc., can solve the problems of poor appearance quality, easy to wear and tear, easy to divide, etc., and achieve the effect of excellent water resistance, large coating area and high covering rate

Inactive Publication Date: 2010-06-30
刘新光
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The current coatings used for spraying metal surfaces have unsatisfactory spraying effects, and there are defects such as poor appeara

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0007] 80kg of maleic acidified liquid polybutadiene, 10kg of ethylene glycol dimethacrylate, 10kg of tetrahydrofurfuryl alcohol, 80kg of titanium dioxide, 1.0kg of cobalt naphthenate (6%), and 2.5kg of methyl ethyl ketone peroxide are fully mixed to prepare Get paint.

[0008] The resulting coating is dry to the touch in 3 hours at room temperature, fully cured in 6 hours, the cured coating film is μm, the pencil hardness is 2H, the Dupont impact is above 50, the Ericsson test is 7.5mm, and the cross-cut test is passed. The physical properties of the coating film are excellent, and the coating film has corrosion resistance , No abnormalities such as rust were found after 200 hours, and it was qualified after 400 hours of water resistance at 40°C. 5% sodium hydroxide aqueous solution was 24 hours at room temperature, and the coating film was normal. The coating is a low-viscosity high-viscosity curing coating at room temperature.

[0009] It can be constructed according to th...

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PUM

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Abstract

The method relates to a coating capable of quick-drying at normal temperature and resisting corrosion and a preparation method thereof. The coating comprises the following components by weight ratio: 80 parts of liquid maleate polybutadiene, 10 parts of ethylene glycol dimethacrylate, 10 parts of tetrahydrofurfuryl alcohol, 80 parts of titanium dioxide, 1.0 part of cobalt naphthenate and 2.5 parts of methyl ethyl ketone peroxide. The coating consisting of organic matters is prepared by mixing the components and has the following superior physical properties: the coating is dry-to-touch within 3h and completely cured within 6h with the thickness of the cured coating being mum at room temperature; the pencil hardness of the coating is 2H; the impact strength thereof is higher than 50 according to the Dupont impact tester; the adhesion thereof is 7.5mm according to the Erichsen tester; the coating is qualified according to the cross-cut test; and the coating is corrosion resistant, particularly, no abnormality like rust is detected after 200h, the coating is qualified according to the waterproof test at 40 DEG C after 400h, and no abnormality is detected according to the test in the water solution of sodium hydroxide (5%) at room temperature for 24h. Accordingly, the coating of the invention constituting a low-viscosity high-build coating capable of self-curing at normal temperature is applicable as anti-corrosive and protective coatings in the construction based on the conventional coating construction method.

Description

Technical field: [0001] The invention belongs to a coating and a preparation method thereof, in particular to a normal-temperature quick-drying anticorrosion coating and a preparation method thereof. Background technique: [0002] The current coatings used for spraying metal surfaces have unsatisfactory spraying effects, and have defects such as poor appearance quality, easy division, easy wear damage, dull luster, etc., thereby affecting the appearance quality and appearance image of the metal plate. Invention content: [0003] The purpose of the present invention is just to overcome the above-mentioned deficiencies in the prior art, and provide a kind of room temperature fast-drying anticorrosion coating that is easy to spray, has good application effect, and the surface is bright after spraying. The technical scheme of the present invention is: coating weight ratio is composed of 80 parts of maleic acidified liquid polybutadiene, 10 parts of ethylene glycol dimethacryla...

Claims

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Application Information

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IPC IPC(8): C09D4/06C09D5/08
Inventor 刘新光
Owner 刘新光
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