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A highly heat-resistant corrosion-resistant coating sealing agent

A sealing agent, high heat-resistant technology, applied in the direction of coating, surface reaction electrolytic coating, electrolytic coating, etc., can solve the problems of poor high temperature and thermal corrosion resistance, reduce surface tension, improve high temperature resistance, strengthen sealing The effect of the blocking effect

Active Publication Date: 2021-06-11
义乌市君胜科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide a highly heat-resistant and corrosion-resistant coating sealing agent in view of the problem that the commonly used coating sealing agent has poor high temperature and thermal corrosion resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0034] The preparation method of composite sealing base material, comprises the steps:

[0035] (1) At 70-85°C, mix basalt and hydrochloric acid solution with a mass fraction of 12% according to the mass ratio of 1:12-20, keep it warm at 400-700r / min for 1-3h, filter while it is hot, and collect the filter residue according to the mass ratio 1:10~15, add periodic acid solution with a concentration of 1mol / L and mix, keep warm at 80~90°C for 45~60min, cool naturally to room temperature, filter, collect the filter cake and wash it with water for 2~4 times, then move to an oven at 65°C Dry at ~80°C for 3~5h, collect the dried matter, and take 15~30 parts of dried matter, 2~5 parts of vinyltriethoxysilane, and 3~7 parts of hexadecyltrimethyl bromide Ammonium chloride and 6-10 parts of absolute ethanol are ground in a mortar for 3-5 hours, and the abrasive is collected;

[0036] (2) In parts by weight, take 30~40 parts of abrasive, 17~23 parts of polyvinyl alcohol, 15~20 parts of ...

Embodiment 1

[0040] Additives: At 30°C, take fatty alcohol polyoxyethylene ether and mix it with triethanolamine at a mass ratio of 3:1 for 30 minutes to obtain a mixture. Take the mixture and add hydroxyethyl cellulose and epoxy resin at a mass ratio of 10:1:2 for mixing. Additives are obtained.

[0041] Reagent A: Mix sodium metaaluminate, urea, and water in a mass ratio of 1:2:30 to obtain reagent A.

[0042] Reagent B: In parts by weight, take 5 parts of magnesium nitrate, 2 parts of aluminum nitrate, 6 parts of zinc nitrate, and 150 parts of water and mix to obtain a mixed salt solution. Take the mixed salt solution and add carbonamide to mix at a mass ratio of 20:1. That is, reagent B is obtained.

[0043] Auxiliary agent: Mix potassium thiocyanate and sodium citrate at a mass ratio of 3:1 to obtain the auxiliary agent.

[0044] Dispersant: Mix vinyl bis stearic acid amide and polyacrylamide at a mass ratio of 2:1 to obtain a dispersant.

[0045] Defoamer: mix polyoxypropyl polyox...

Embodiment 2

[0053] Additives: At 40°C, take fatty alcohol polyoxyethylene ether and mix it with triethanolamine at a mass ratio of 7:1 for 60 minutes to obtain a mixture. Take the mixture and mix it with hydroxyethyl cellulose and epoxy resin at a mass ratio of 10:1:5. Additives are obtained.

[0054] Reagent A: Mix sodium metaaluminate, urea, and water at a mass ratio of 1:4:50 to obtain reagent A.

[0055] Reagent B: In parts by weight, take 8 parts of magnesium nitrate, 5 parts of aluminum nitrate, 10 parts of zinc nitrate, and 200 parts of water and mix to obtain a mixed salt solution. Take the mixed salt solution and add carbonamide to mix at a mass ratio of 30:1. That is, reagent B is obtained.

[0056] Auxiliary: Mix potassium thiocyanate and sodium citrate at a mass ratio of 6:1 to obtain the auxiliary.

[0057] Dispersant: Mix vinyl bis stearic acid amide and polyacrylamide at a mass ratio of 5:1 to obtain a dispersant.

[0058] Defoaming agent: Mix polyoxypropyl polyoxyethyl ...

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Abstract

The invention discloses a sealing agent for a highly heat-resistant and corrosion-resistant coating, which belongs to the technical field of sealing agents. The invention treats basalt with acid, then oxidizes it, uses surface active substances to improve its activity, uses organic silicon to enhance the degree of bonding with other macromolecular substances, generates gas to dissipate heat when heated, and forms longitudinally in the gaps through hydrothermal method The boehmite component is filled at the nanoscale to improve the high temperature resistance, improve the hot corrosion performance, and complete the sealing of the pores of the coating; use thioglycolic acid to react with active centers or active groups such as Lewis acid on the surface of vermiculite, When subjected to high temperature, the surface tension between particles is significantly reduced, and a good sealing effect can be formed; magnesium and aluminum metal salts are used as raw materials, and hydrotalcite-like components with good adsorption properties are prepared by hydrothermal method, and complexation Produce chelation and improve heat corrosion resistance. The invention solves the problem that the commonly used coating sealing agent has poor high temperature and thermal corrosion resistance.

Description

technical field [0001] The invention relates to the technical field of sealing agents, in particular to a sealing agent for highly heat-resistant and corrosion-resistant coatings. Background technique [0002] Aluminum is one of the most widely distributed elements in nature. Pure aluminum is soft in texture, low in density, good in ductility, and high in plasticity. It can be processed by various machines and has good electrical and thermal conductivity. Due to the low strength of pure aluminum, it can only be used as a structural material by alloying it to obtain an aluminum alloy with low density and high strength. Aluminum alloy materials have a series of excellent physical, chemical, mechanical and processing properties, which can meet the various requirements of various industries from kitchen utensils to cutting-edge technology, from architectural decoration to transportation, aerospace and other industries. It is widely used in various fields of national economy. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25D11/24
CPCC25D11/246
Inventor 郭熙海
Owner 义乌市君胜科技有限公司
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