Anticorrosion coating and preparation method thereof

A technology for anti-corrosion coatings and coatings, applied in the direction of anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of insufficient anti-corrosion performance, poor adhesion of anti-corrosion coatings, etc., achieve good anti-corrosion performance, simple preparation method, and easy realization Effect

Inactive Publication Date: 2018-08-17
合肥卓创新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing anti-corrosion coatings still have the problems of poor adhesion and insufficient anti-corrosion performance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Weigh 100 grams of epoxy resin E51, 150 grams of xylene, and 150 grams of n-butanol into a sand mill tank, stir at a speed of 700 rpm and put 10 grams of polyetheramine into it, stir for 0.5 hours, and stir Next, add 10 grams of dispersant BYK-163, 180 grams of aluminum dihydrogen tripolyphosphate, 180 grams of zinc phosphate, and 50 grams of talcum powder. After the addition, stir at a speed of 1800 rpm for 1 hour and sand mill for 3 hours. Filter with a 200-mesh filter cloth to obtain the filtrate, then put the filtrate into a sand mill tank, add 100 g of mica iron oxide, and stir at a speed of 1000 rpm for 0.3 hours to obtain component A.

[0042] Take out 93 grams of component A and 7 grams of curing agent NX-2016 for component B, mix the two evenly, spray on the polished, degreased, and derusted steel plate, and cure at room temperature. After the paint film was completely cured, the scratch resistance performance in the salt spray test on the steel plate was teste...

Embodiment 2

[0044] Weigh 200 grams of epoxy resin E44, 130 grams of xylene, and 120 grams of n-butanol into a sand mill tank, stir at a speed of 1000 rpm and put in 30 grams of polyetheramine, stir for 1 hour, and stir Next, add 10 grams of dispersant BYK-163, 10 grams of leveling agent BYK358, 120 grams of aluminum dihydrogen tripolyphosphate, 100 grams of zinc phosphate, 40 grams of talcum powder, 40 grams of precipitated barium sulfate, and then rotate at 1500 rpm Stir at a speed of 1 / min for 1 hour, sand mill for 3 hours, filter with a 200-mesh filter cloth to obtain the filtrate, then put the filtrate into the sand mill tank and add 80 grams of mica iron oxide, and stir for 0.4 hours at a speed of 1200 rpm. Obtain the A component.

[0045] Take out 88 grams of component A and 12 grams of curing agent NX-2015 for component B, mix them evenly, spray them on the polished, degreased, and derusted steel plate, and cure at room temperature. After the paint film was completely cured, the s...

Embodiment 3

[0047] Weigh 120 grams of epoxy resin E44 and 300 grams of xylene respectively and put them into a sand mill tank, add 40 grams of polyetheramine under stirring at a speed of 1500 rpm, stir for 1.5 hours, and then add 20 grams of polyetheramine under stirring Leveling agent BYK-163, 150 grams of aluminum dihydrogen tripolyphosphate, 170 grams of precipitated barium sulfate, after adding, stir at a speed of 2000 rpm for 0.5 hours, sand mill for 2 hours, and filter with a 200-mesh filter cloth to obtain the filtrate. Finally, put the filtrate into a sand mill tank, add 150 g of micaceous iron oxide, and stir at a speed of 1200 rpm for 0.2 hour to obtain component A.

[0048] Take out 95 grams of component A and 5 grams of curing agent NX-2018 for component B, mix them evenly, spray them on the polished, degreased, and derusted steel plate, and cure at room temperature. After the paint film was completely cured, the scratch resistance performance in the salt spray test on the ste...

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PUM

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Abstract

The invention provides an anticorrosion coating and a preparation method thereof. The anticorrosion coating comprises component A and component B; the component A comprises, by weight, 10-20% of epoxyresin, 1-5% of polyether amine, 30-50% of a pigment, 5-20% of a filling material, 20-30% of a diluting agent, and 1-3% of a dispersant; the component B includes, by weight, 5-15% of a curing agent. The anticorrosion coating herein reaches nano-level dispersion; molecular chains nearly have no tangled portion, and each molecular chain group can take effect in the anticorrosion coating; therefore,the anticorrosion coating has good corrosion resistance under small thickness.

Description

technical field [0001] The invention relates to the technical field of anti-corrosion coatings, in particular to an anti-corrosion coating and a preparation method thereof. Background technique [0002] Metal corrosion problems widely exist in various sectors and industries of the national economy, and have caused great harm to the development of the national economy, people's lives and the social environment. In order to prevent losses caused by corrosion, countries all over the world have invested a lot of manpower and financial resources in various means for corrosion protection. [0003] However, the existing anti-corrosion coatings still have the problems of poor adhesion and insufficient anti-corrosion performance. Contents of the invention [0004] In view of the above analysis of the prior art, the present invention provides an anti-corrosion coating, which not only has good adhesion but also has good anti-corrosion performance. [0005] In order to achieve the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/08C09D7/61
CPCC09D163/00C08K2003/2272C08K2003/321C09D5/08C09D7/61C08L71/00C08K3/00C08K3/32C08K3/34C08K3/22
Inventor 汪金云
Owner 合肥卓创新材料有限公司
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