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High-temperature-resistant hole sealing agent for hot-dip plating sink roll as well as preparation method and coating method of high-temperature-resistant hole sealing agent

A technology of sealing agent and submerged roller, which can be used in coatings, anti-corrosion coatings, fire-resistant coatings, etc., and can solve problems such as difficulty in production

Inactive Publication Date: 2021-07-06
MAANSHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the problem that the existing high-strength weather-resistant steel is difficult to produce, the invention provides a high-temperature-resistant sealing agent for hot-dip sinking rolls. The sealing agent is an organic-inorganic sealing system, which has both the high wear resistance and resistance of inorganic coating Thermal, but also has the corrosion resistance of organic coatings;

Method used

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  • High-temperature-resistant hole sealing agent for hot-dip plating sink roll as well as preparation method and coating method of high-temperature-resistant hole sealing agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A hot dip-plated hydrophone resistant to high temperature sealing agent is mainly from 100 parts of silica sol, 100 parts of aluminum sol, 100 parts of tetramethoxysilane, 104 parts of the boron nitride dispersion, nitrate 1.82 The mixture of parts and micro-hydrochloric acid solutions is formed.

[0040] The preparation method of thermal dip plating aperture resistant to high temperature sealing agent, including the following steps:

[0041] Step 1, mixed the silica sol with the aluminum sol by mass 100: 60, under room temperature, and the rotation speed was stirred for 1 hour.

[0042] Step 2, the above-mentioned step 1, the aluminum composite sol with tetramethoxysilane is mixed by mass 100: 62.5, under room temperature, and the rotation speed is 500 rpm for 3 hours.

[0043] Step 3, in the above-described step 2, an aluminum composite sol with a mixture of tetrametoxysilane (HBN) dispersion, the added boron nitride dispersion and the mixture of mixed liquid obtained by ...

Embodiment 2

[0048] The thermal dip plating of the present embodiment is mainly controlled by: 100 parts of silica sol, 100 parts of aluminum sol, 240 pieces of tetraethoxysilane, 264 servic boron nitride dispersions, nitrate 7.04 The mixture of parts and micro-hydrochloric acid solutions is formed.

[0049] The preparation method of thermal dip plating aperture resistant to high temperature sealing agent, including the following steps:

[0050] Step 1, mixing the silica sol with the aluminum sol by mass 100: 100, under room temperature conditions, stirring at 450 rpm for 1.5 hours.

[0051] Step 2, the above-mentioned step 1, the aluminum composite sol with tetraethoxysilane is mixed by mass 100: 120, under room temperature, and the rotation speed is 400 rpm for 3 hours.

[0052] Step 3, in the above-described step 2, the aluminum composite sol with tetraethoxysilane is added to the mixture of tetraethoxysilane (HBN) dispersion, and the mixture of boron nitride dispersion obtained from the bo...

Embodiment 3

[0057] Another hot dip plating pressure resistant to high temperature sealing agent is mainly from 100 parts of silica sol, 80 parts of aluminum sol, 198 parts of methyltrimethoxysilane, 189 son boron nitride dispersions, nitrate 4.54 parts and micro-hydrochloric acid solutions were mixed.

[0058] The preparation method of thermal dip plating aperture resistant to high temperature sealing agent, including the following steps:

[0059] Step 1, mixing the silica sol with the aluminum sol by mass 100: 80, under room temperature, and the rotation speed is 500 rpm for 2 hours.

[0060] Step 2, the above-mentioned step 1, the aluminum composite sol with the methyltrimethoxysilane is mixed at a mass ratio of 100: 110, and the rotation speed is 500 rpm for 3 hours under room temperature conditions.

[0061] Step 3, the silicon obtained by the above step 2, the aluminum composite sol is added to the mixture of the methyltrimethoxysilane (HBN) dispersion, and the boron nitride dispersion l...

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Abstract

The invention discloses a high-temperature-resistant hole sealing agent for a hot-dip plating sink roll as well as a preparation method and a coating method, and belongs to the field of sink roll surface treatment. The hole sealing agent is mainly prepared from the following components in parts by weight: 100 parts of silica sol, 60 to 100 parts of alumina sol, 100 to 240 parts of siloxane, 104 to 264 parts of hexagonal boron nitride dispersion liquid, 1.82 to 7.04 parts of cerous nitrate and a trace amount of hydrochloric acid solution. The obtained high-temperature-resistant hole sealing coating is an organic-inorganic hole sealing system, not only has high wear resistance and heat resistance of an inorganic coating, but also has corrosion resistance of an organic coating, and meanwhile, the adhesive force of the hole sealing coating is improved.

Description

Technical field [0001] The present invention belongs to the field of sinking roll surface treatment, and more particularly to a hot dipping and prepared method and a method of preparing a thermal dip. Background technique [0002] Hot dip plating rolls are hot dip galvanizing, hot dip galvanized aluminum magnesium, hot dip aluminized silicon and other thermal dip coating steel production process, its work is accompanied by high temperature, wear, corrosion, etc., therefore Good mechanical properties, antioxidant, corrosion resistance, and the like. The existing hot dip-plated roll surfaces typically have a thermal spray coating, but the coating after thermal spray treatment is usually affected by the spray gun, the spray speed fluctuation, can cause powder accumulation, to cause pore and microcracking of the coating The plating solution can cause corrosion of the matrix by penetrating these micropores to the matrix, so that the corrosion resistance and life of the thermal spray c...

Claims

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Application Information

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IPC IPC(8): C09D1/00C09D183/02C09D183/04C09D7/61C09D5/08C23C4/18B05D7/14B05D7/24B05D3/02
CPCB05D3/0254B05D7/14B05D7/24B05D2518/10C08G77/02C08G77/04C08K2003/2227C08K2003/385C08K2201/005C08K2201/011C08L2201/08C09D1/00C09D4/00C09D5/08C09D5/18C09D183/02C09D183/04C23C4/18C09D7/61C08K3/00C08K3/36C08K3/22C08K3/38C08K3/28
Inventor 张百勇王滕柴立涛杨平赵云龙李超李伟刚孙霖陈泓业
Owner MAANSHAN IRON & STEEL CO LTD
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