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Super high-temperature resistant coating and preparation method thereof

A high-temperature-resistant coating, super technology, applied in anti-corrosion coatings, fire-resistant coatings, coatings, etc., can solve the problems of poor temperature resistance and poor corrosion resistance of heat-resistant coatings, and achieve excellent temperature resistance and simple construction.

Inactive Publication Date: 2010-06-23
SHANGHAI DATONG HIGH TECH MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, with the continuous adjustment and updating of production processes in various chemical plants, oil refineries, and power plants, various devices such as: high-temperature boilers, exhaust devices, chimneys, etc. have higher and higher requirements for various functions of heat-resistant coatings. It turns out that the temperature range of traditional heat-resistant coatings is usually up to 700 ° C, and the temperature resistance is poor. When the high-temperature device returns to normal temperature, the defect of poor corrosion resistance of the heat-resistant coating will be exposed; therefore, the market urgently needs a A temperature-resistant anti-corrosion coating with a temperature resistance of about 800 °C, good temperature denaturation resistance, and excellent anti-corrosion performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A preparation method of a super high temperature resistant coating, the method comprises the following process steps:

[0033] (1) Add 40kg of silicon-modified resin and 15kg of solvent xylene into the kettle for high-temperature reaction at 500°C for hydrolysis, and polymerize for 24 hours to make semi-finished products;

[0034] (2) Add the semi-finished product into the equipment, then add 20kg of coated metal powder and 10kg of additive hydrogenated castor oil, 5kg of solvent xylene and stir (600 rpm) for 35 minutes;

[0035] (3) Stand still for 12 hours to make super high temperature resistant coating, test index;

[0036] (4) After passing the quality inspection department, pack and store.

Embodiment 2

[0038] A preparation method of a super high temperature resistant coating, the method comprises the following process steps:

[0039] (1) Add 50kg of silicon-modified resin and 15kg of solvent butanol into the kettle for high-temperature reaction at 700°C for hydrolysis, and polymerize for 24 hours to make a semi-finished product;

[0040] (2) Put the semi-finished product into the equipment, then add 30kg of coated metal powder, 10kg of additive organic silane, and 5kg of solvent butanol, and stir (600-750 rpm) for 35 minutes;

[0041] (3) Stand still for 12 hours to make super high temperature resistant coating, test index;

[0042] (4) After passing the quality inspection department, pack and store.

Embodiment 3

[0044] A preparation method of a super high temperature resistant coating, the method comprises the following process steps:

[0045] (1) Add 60kg of silicon-modified resin and 15kg of solvent into the kettle for high-temperature reaction and hydrolysis, and polymerize for 24 hours to make semi-finished products;

[0046] (2) Add the semi-finished product into the equipment, then add 45kg of coated metal powder, 15kg of additives, and 5kg of solvent, and then stir (600 rpm) for 35 minutes;

[0047] (3) Leave it to stand for 24 hours to prepare a super high temperature resistant coating, test indicators;

[0048] (4) After passing the quality inspection department, pack and store.

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PUM

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Abstract

The invention relates to a super high-temperature resistant coating and a preparation method thereof. The coating comprises the following components in part by weight: 40 to 60 parts of organosilicon modified resin, 20 to 45 parts of coated metal powder, 10 to 15 parts of additive and 10 to 25 parts of solvent. Compared with the prior art, the super high-temperature resistant coating can protect a metal surface from being corroded in the operating state and high and low temperature alternating state of ultrahigh-temperature equipment, and has the advantages that: (1) the coating has excellent temperature-resistant performance and can be used at the temperature of higher than 800 DEG C for a long time; (2) the coating has the extremely good corrosion resistance on the premise of having excellent temperature tolerance; (3) the phenomena such as cracking, rusting and the like cannot be generated when an ambient temperature suddenly drops; and (4) priming paint is the same as the coating with easy construction.

Description

technical field [0001] The invention relates to coatings, in particular to a super high temperature resistant coating and a preparation method thereof. Background technique [0002] At present, with the continuous adjustment and updating of production processes in various chemical plants, oil refineries, and power plants, various devices such as: high-temperature boilers, exhaust devices, chimneys, etc. have higher and higher requirements for various functions of heat-resistant coatings. It turns out that the temperature range of traditional heat-resistant coatings is usually up to 700 ° C, and the temperature resistance is poor. When the high-temperature device returns to normal temperature, the defect of poor corrosion resistance of the heat-resistant coating will be exposed; therefore, the market urgently needs a A temperature-resistant anti-corrosion coating with a temperature resistance of about 800°C, good temperature denaturation resistance and excellent anti-corrosio...

Claims

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Application Information

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IPC IPC(8): C09D183/04C09D5/18C09D5/10
Inventor 李成章杨志英
Owner SHANGHAI DATONG HIGH TECH MATERIALS
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