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Epoxy organosilicon anticorrosion paint and preparing method thereof

An epoxy organosilicon, anti-corrosion coating technology, applied in anti-corrosion coatings, polyamide coatings, coatings, etc., can solve the problems of high cost, unsatisfactory effect, complex process, etc., and achieve low cost, good basic physical properties, and technology. simple effect

Inactive Publication Date: 2009-12-30
COSCO KANSAI PAINT & CHEM TIANJIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solved the problem of complex process, high cost and unsatisfactory effect of magnesium alloy surface anticorrosion method

Method used

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  • Epoxy organosilicon anticorrosion paint and preparing method thereof
  • Epoxy organosilicon anticorrosion paint and preparing method thereof
  • Epoxy organosilicon anticorrosion paint and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1) Mix 50 parts of epoxy silicone resin with 50 parts of solvent, add 0.4 parts of defoamer, 0.6 parts of dispersant, and stir mechanically for 15 minutes;

[0022] (2) Take 20 parts of chromium zinc yellow, 4 parts of strontium chromate, 20 parts of zinc molybdate, 10 parts of titanium dioxide, 20 parts of mica, and 25 parts of talcum powder into the above resin system, shear and grind for 30 minutes;

[0023] (3) Mix 50 parts of epoxy silicone resin with 50 parts of solvent, add to the solution prepared in step (2), and stir mechanically for 30 minutes;

[0024] (4) Mix 4 parts of solvent with 10 parts of polyamide, add to the solution prepared in step (3), and stir evenly.

Embodiment 2

[0026] (1) Mix 50 parts of epoxy silicone resin with 50 parts of solvent, add 0.4 parts of defoamer, 0.6 parts of dispersant, and stir mechanically for 15 minutes;

[0027] (2) Add 2 parts of strontium chromate, 30 parts of zinc molybdate, 10 parts of titanium dioxide, 20 parts of mica, and 37 parts of talcum powder into the above resin system, and shear and grind for 30 minutes;

[0028] (3) Mix 50 parts of epoxy silicone resin with 50 parts of solvent, add to the solution prepared in step (2), and stir mechanically for 30 minutes;

[0029] (4) Mix 4 parts of solvent with 10 parts of polyamide, add to the solution prepared in step (3), and stir evenly.

Embodiment 3

[0031] (1) Mix 50 parts of epoxy silicone resin with 50 parts of solvent, add 0.4 parts of defoamer, 0.6 parts of dispersant, and stir mechanically for 15 minutes;

[0032] (2) Take 10 parts of chromium zinc yellow, 6 parts of strontium chromate, 10 parts of titanium dioxide, 20 parts of mica, and 53 parts of talcum powder into the above resin system, shear and grind for 30 minutes;

[0033] (3) Mix 50 parts of epoxy silicone resin with 50 parts of solvent, add to the solution prepared in step (2), and stir mechanically for 30 minutes;

[0034] (4) Mix 4 parts of solvent with 10 parts of polyamide, add to the solution prepared in step (3), and stir evenly.

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PUM

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Abstract

The invention relates to a kind of anti-corrosion epoxy-silicone resin coating and its preparation. In the invention, it takes the anti-corrosion epoxy-silicone resin ES-06 as material for the film, and polyamide 650 as curing agent, and it also includes anti-rust paint chrome yellow zinc, chromium and molybdenum acid strontium zinc, titanium dioxide pigments physique, mica, talc, defoamer 550, dispersant TM-950 and the solvent system of xylene and n-butyl alcohol. The advantage of the matiral is that the coating can be cured at room temperature, meanwhile, it has the properties such as the maximum adhesion of one class, a flexible of 0.5mm, a impact strength of 50kg.cm, a salt spray cumulative maximum time a 360 hours, and the coating has a good basic physical property and excellent corrosion resistance.

Description

technical field [0001] The invention belongs to the technical field of magnesium alloy surface anticorrosion protection coatings, in particular to an epoxy organic silicon anticorrosion coating and a preparation method thereof. Background technique [0002] Metal magnesium and its alloys are currently the lightest metal structural materials in industrial applications, with high specific strength, specific stiffness and good casting properties. Therefore, magnesium alloy has become the material of choice in industries such as modern automobiles and electronics. However, due to the relatively negative potential of magnesium, it is very easy to passivate, and the oxide film is loose, so the corrosion resistance of magnesium alloys is poor, which greatly limits its application. Therefore, the surface protection of magnesium alloys has become an urgent problem to be solved. [0003] At present, the anti-corrosion measures of magnesium alloy mainly include the preparation of high...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D183/06C09D5/08C09D177/00
Inventor 高瑾刘慧芳张玉军
Owner COSCO KANSAI PAINT & CHEM TIANJIN
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