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Heavy-duty anti-corrosion coating and painting method thereof

A heavy-duty anti-corrosion and coating technology, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of unsatisfactory anti-corrosion performance and short protection period of heavy-duty coatings, and achieve strong seawater corrosion resistance and use long time effect

Inactive Publication Date: 2014-12-24
YANTAI ZHONGTAI PIPE IND ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the anti-corrosion performance of the heavy-duty anti-corrosion coatings used in heavy-duty anti-corrosion painting is still not satisfactory, and the current heavy-duty anti-corrosion coatings have a short protection period for equipment and pipelines, and the equipment needs to be repeated in a short period. Brushing, at the same time, the seawater resistance, salt resistance, fog resistance, oil resistance, wear resistance and chemical resistance of the equipment after painting need to be improved

Method used

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  • Heavy-duty anti-corrosion coating and painting method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0030] Get 30g epoxy resin, 30g phenolic resin, 6g epoxy thinner (acetone), 6g phenolic thinner (alcohol), 5g epoxy curing agent (ethylenediamine) and 5g phenolic curing agent (benzenesulfonyl chloride), then Mix epoxy resin with epoxy thinner and epoxy curing agent, mix phenolic resin with phenolic thinner and phenolic curing agent, and finally mix the two materials again to form the main ingredient; take 5g of 200 mesh quartz powder and 5g of polytetrafluoroethylene Ethylene is mixed to form an additive; 3.5g of dibutyl ester and 4.5g of fumed silica are mixed to form an accelerator, and the main material, additive and accelerator are mixed and prepared at room temperature (about 25°C) to form a heavy-duty anti-corrosion coating.

[0031] Apply the paint on the surface of the iron pipe, seal both ends of the iron pipe to prevent seawater from entering the interior of the iron pipe, then soak the iron pipe in seawater at a temperature of 20°C, and soak it for 2 hours Take it ...

Embodiment 2

[0035] Get 25g epoxy resin, 35g phenolic resin, 5g epoxy thinner (acetone), 5g phenolic thinner (alcohol), 6g epoxy curing agent (ethylenediamine) and 6g phenolic curing agent (benzenesulfonyl chloride), then Mix epoxy resin with epoxy thinner and epoxy curing agent, mix phenolic resin with phenolic thinner and phenolic curing agent, and finally mix the two materials again to form the main ingredient; take 4g of 400 mesh quartz powder and 4.5g polytetrafluoroethylene Mix vinyl fluoride to form an additive; take 4g of dibutyl ester and 4.5g of gaseous carbon dioxide to form an accelerator, mix the main material, additive and accelerator, and prepare at room temperature (about 25°C) to form a heavy-duty anti-corrosion coating.

[0036] Apply the paint on the surface of the iron pipe, seal both ends of the iron pipe to prevent seawater from entering the interior of the iron pipe, then soak the iron pipe in seawater at a temperature of 20°C, and soak it for 2 hours Take it out, le...

Embodiment 3

[0038] Get 30g epoxy resin, 34g phenolic resin, 5g epoxy thinner (acetone), 4g phenolic thinner (alcohol), 6g epoxy curing agent (ethylenediamine) and 3g phenolic curing agent (benzenesulfonyl chloride), then Mix epoxy resin with epoxy thinner and epoxy curing agent, mix phenolic resin with phenolic thinner and phenolic curing agent, and finally mix the two materials again to form the main ingredient; take 4g of 300 mesh quartz powder and 4.5g polytetrafluoroethylene Mix vinyl fluoride to form an additive; take 4g of dibutyl ester and 4.5g of gaseous carbon dioxide to form an accelerator, mix the main material, additive and accelerator, and prepare at room temperature (about 25°C) to form a heavy-duty anti-corrosion coating.

[0039]Apply the paint on the surface of the iron pipe, seal both ends of the iron pipe to prevent seawater from entering the interior of the iron pipe, then soak the iron pipe in seawater at a temperature of 20°C, and soak it for 2 hours Take it out, let...

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Abstract

The invention discloses a heavy-duty anti-corrosion coating. The heavy-duty anti-corrosion coating comprises, by weight, no less than 80% of main ingredient, no more than 10% of additive and no more than 10% of accelerator, wherein the main ingredient comprises epoxy resin, phenolic resin, epoxy diluent, epoxy hardener, phenolic diluent and phenolic hardener, the epoxy resin and the phenolic resin account for 70-80% of the main ingredient, the diluent accounts for10-15% of the main ingredient and the hardener accounts for 10-15% of the main ingredient; the addictive comprises 200-400 mesh quartz powder and teflon, and the accelerator comprises dibutyl phthalate and fumed silica. The heavy-duty anti-corrosion coating can effectively improve the seawater resistant performance of devices and enables the devices to be utilized for a long time and reduces printing frequency of the heavy-duty anti-corrosion coating. The invention further discloses a heavy-duty anti-corrosion printing method utilizing the heavy-duty anti-corrosion coating.

Description

technical field [0001] The invention relates to the technical field of anti-corrosion treatment of industrial equipment, in particular to a heavy-duty anti-corrosion coating and a heavy-duty anti-corrosion coating method. Background technique [0002] Industrial equipment working in a water flow environment usually requires anti-corrosion treatment, while equipment and pipelines working in seawater are more likely to be corroded and rusted by seawater, so heavy anti-corrosion is required for equipment and pipelines working in seawater paint. [0003] However, the anti-corrosion performance of the heavy-duty anti-corrosion coatings used in heavy-duty anti-corrosion painting is still not satisfactory, and the current heavy-duty anti-corrosion coatings have a short protection period for equipment and pipelines, and the equipment needs to be repeated in a short period. At the same time, the seawater resistance, salt resistance, fog resistance, oil resistance, wear resistance an...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D161/06C09D5/08
Inventor 王兴峰
Owner YANTAI ZHONGTAI PIPE IND ENG
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