Dedicated anti-corrosive paint for chemical pipeline and preparation method thereof

A technology for anti-corrosion coatings and chemical pipelines. It is applied in anti-corrosion coatings, fire-proof coatings, asphalt coatings, etc. It can solve the problems of poor acid and alkali corrosion resistance and small temperature application range, and achieve stability, prolong service life, and mechanical properties. and excellent insulation properties

Active Publication Date: 2019-02-15
ZHENGZHOU INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after testing, the invention has poor acid and alkali corrosion resistance and a small range of temperature applications

Method used

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  • Dedicated anti-corrosive paint for chemical pipeline and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0025] A special anti-corrosion coating for chemical pipelines. The components and their parts by weight are: 60 parts of asphalt emulsion, 30 parts of epoxy emulsion, 3 parts of anti-corrosion agent, 1 part of vulcanizing agent, 12 parts of nano oxide, 3.8 parts of silane coupling agent 20 parts, 20 parts of acetone, 0.5 parts of stabilizer, 0.8 parts of anionic dispersant, 7 parts of deionized water.

[0026] The nano-oxide is a mixture of nano-magnesia, nano-silicon dioxide and nano-titanium dioxide, and the weight ratio of nano-magnesia: nano-silicon dioxide: nano-titanium dioxide is 4:3:3.

[0027] The anti-corrosion agent is a mixture of hexamethylenetetramine and cinnamaldehyde, and the weight ratio of hexamethylenetetramine: cinnamaldehyde is 7:3.

[0028] The preparation method of the special anticorrosion coating for chemical pipelines according to the embodiment of the present invention comprises the following steps: 1) After drying 12 parts by weight of nano-oxides...

Embodiment 2

[0032] A special anti-corrosion coating for chemical pipelines. The components and their parts by weight are: 63 parts of asphalt emulsion, 32 parts of epoxy emulsion, 3.2 parts of corrosion resistance agent, 1.2 parts of vulcanizing agent, 13 parts of nano oxide, 3.9 parts of silane coupling agent parts, 22 parts of acetone, 0.5 parts of stabilizer, 0.8 parts of anionic dispersant, and 8 parts of deionized water.

[0033] The nano-oxide is a mixture of nano-magnesia, nano-silicon dioxide and nano-titanium dioxide, and the weight ratio of nano-magnesia: nano-silicon dioxide: nano-titanium dioxide is 4:3:3.

[0034] The corrosion resistant agent is hexamethylenetetramine.

[0035] Described stabilizing agent is the mixture of magnesium stearate and aluminum stearate, and weight ratio magnesium stearate: aluminum stearate is 7:3.

[0036] The preparation method of the special anti-corrosion coating for chemical pipelines according to the embodiment of the present invention comp...

Embodiment 3

[0040] A special anti-corrosion coating for chemical pipelines. The components and their parts by weight are: 65 parts of asphalt emulsion, 34 parts of epoxy emulsion, 3.4 parts of anti-corrosion agent, 1.4 parts of vulcanizing agent, 15 parts of nano oxide, 4 parts of silane coupling agent 23 parts of acetone, 0.6 parts of stabilizer, 1 part of anionic dispersant, 9 parts of deionized water.

[0041] The nano-oxide is a mixture of nano-magnesia, nano-silicon dioxide and nano-titanium dioxide, and the weight ratio of nano-magnesia: nano-silicon dioxide: nano-titanium dioxide is 4:3:3.

[0042] The corrosion resistant agent is hexamethylenetetramine.

[0043] Described stabilizing agent is the mixture of magnesium stearate and aluminum stearate, and weight ratio magnesium stearate: aluminum stearate is 7:3.

[0044] The preparation method of the special anticorrosion coating for chemical pipelines according to the embodiment of the present invention comprises the following ste...

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Abstract

The invention discloses a dedicated anti-corrosive paint for a chemical pipeline and a preparation method thereof, and belongs to the technical field of the anti-corrosive paint. The dedicated anti-corrosive paint is prepared from the following components in parts by weight: 60-80 parts of asphalt emulsion, 30-40 parts of epoxy emulsion, 3-5 parts of an anti-corrosive agent, 1-2 parts of a sulfurizing agent, 12-17 parts of nano oxide, 3.8-5.5 parts of a silane coupling agent, 20-26 parts of acetone, 0.5-0.8 part of a stabilizing agent, 0.8-1.5 parts of an anion dispersing agent and 7-12 partsof deionized water. The dedicated anti-corrosive paint for the chemical pipeline disclosed by the invention is excellent in mechanical performance and insulation performance, resistant to water, hightemperature, low temperature and chemical corrosion, strong in adhesive force, and capable of maintaining the stability in the long-term acid-alkali environment, capable of being used for a long timeat the environment of -50 to 100 DEG C, and excellent in comprehensive performance. The paint can form a layer of dense protective film on the surface of the chemical pipeline, an anti-rust effect isplayed when the corrosion resistance is realized, thereby prolonging the service life of the chemical pipeline.

Description

technical field [0001] The invention relates to the technical field of anticorrosion coatings, in particular to a special anticorrosion coating for chemical pipelines and a preparation method thereof. Background technique [0002] In chemical production, intermediate reactants are generally transported through pipelines, and most of the chemical products are toxic, and leakage is likely to cause safety accidents. Therefore, the safety and reliability of transportation pipelines must be guaranteed. In the complex environment of chemical plants, the appearance of chemical pipelines is easily corroded. After long-term corrosion, pipelines will leak or even break, causing safety hazards. [0003] The patent document with the publication number CN 108504259 A discloses a kind of anti-corrosion coating. The coating is composed of the following components in parts by mass: 10-20 parts of quartz sand, 1-6 parts of silane coupling agent, and 1-3 parts of wax ester , 10-30 parts of e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D195/00C09D163/04C09D5/08C09D7/62
CPCC08K2003/222C08K2003/2241C08K2201/011C08L2201/08C09D5/08C09D5/18C09D195/00C09D7/62C08L63/04C08K9/06C08K3/22C08K3/36
Inventor 王少鹏王焕锋王宇飞王会娜王利平付长亮李靖靖
Owner ZHENGZHOU INST OF TECH
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