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A kind of high temperature resistant anticorrosion coating and preparation method thereof

A technology of anti-corrosion coating and high temperature resistance, applied in anti-corrosion coatings, fire-retardant coatings, coatings, etc., can solve the problems of salt spray resistance, reduced adhesion, unfavorable heat-resistant long-term protection, limited drying conditions, etc. High temperature durability and anti-corrosion performance, long-term anti-corrosion performance, and the effect of ensuring heat resistance

Active Publication Date: 2022-08-02
河南三棵树新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But there are still the following problems: 1. The drying conditions are limited, the self-drying is slow or it needs to be baked to cure; 2. After high temperature resistance, the performance will be greatly affected, such as salt spray resistance and adhesion, etc. will be significantly reduced. Good for long-term protection against heat

Method used

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  • A kind of high temperature resistant anticorrosion coating and preparation method thereof

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preparation example Construction

[0037] A preparation method of a high temperature resistant anticorrosive coating, comprising the following steps:

[0038] Dissolve the flexible quick-drying resin in part of the composite environmental protection solvent, then add catalyst, other additives and fillers at a stirring speed of 200-600r / min, and then disperse at a speed of 800-2000r / min until the fineness is less than 25um , and then adding A silicone resin, B silicone resin, aluminum-silver paste and the remaining composite environment-friendly solvent, and dispersing to uniformity to obtain a high-temperature-resistant anti-corrosion coating.

Embodiment 1

[0041] A high temperature resistant anti-corrosion coating, comprising

[0042] 6 parts of flexible quick-drying resin, 24 parts of A silicone resin, 12 parts of B silicone resin, 20 parts of aluminum silver paste, 15 parts of filler, 15 parts of compound environmental protection solvent, 0.5 part of catalyst, fumed silica (rheological additive) ) 1 part, and 0.5 part of dispersant.

[0043] Dissolve the flexible quick-drying resin in part of the composite environmental protection solvent, then add catalyst, other additives and fillers at a stirring speed of 200-600r / min, and then disperse at a speed of 800-2000r / min until the fineness is less than 25um , and then adding A silicone resin, B silicone resin, aluminum-silver paste and the remaining composite environment-friendly solvent, and dispersing to uniformity to obtain a high-temperature-resistant anti-corrosion coating.

[0044] Wherein, the filler is mica powder; the composite environmental protection solvent is 4 parts...

Embodiment 2

[0046] A high temperature resistant anti-corrosion coating, comprising

[0047] 10 parts of flexible quick-drying resin, 28 parts of A silicone resin, 20 parts of B silicone resin, 26 parts of aluminum-silver paste, 12 parts of filler, 18 parts of compound environmental protection solvent, 0.8 part of catalyst, 1 part of bentonite (rheological additive) , 0.2 part of dispersant.

[0048] Dissolve the flexible quick-drying resin in part of the composite environmental protection solvent, then add catalyst, other additives and fillers at a stirring speed of 200-600r / min, and then disperse at a speed of 800-2000r / min until the fineness is less than 25um , and then adding A silicone resin, B silicone resin, aluminum-silver paste and the remaining composite environment-friendly solvent, and dispersing to uniformity to obtain a high-temperature-resistant anti-corrosion coating.

[0049] Wherein, the fillers are 8 parts of mica powder and 4 parts of glass powder, and the composite en...

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Abstract

The invention relates to a high-temperature-resistant anti-corrosion coating and a preparation method thereof, which are prepared from the following components according to the following parts by mass: 5-10 parts of flexible quick-drying resin, 10-30 parts of A silicone resin, and 10-30 parts of B silicone resin 20 parts, 10-30 parts of aluminum silver paste, 10-20 parts of filler, 10-20 parts of composite environmental protection solvent, 0.2-1 part of catalyst, 0.5-1 part of rheology aid, 0.2-0.5 part of dispersant; The high temperature anti-corrosion coating is a one-component, it does not need pre-baking, after 6 hours at 600 ℃ high temperature, the adhesion and salt spray resistance are still excellent, and it has long-term anti-corrosion performance.

Description

technical field [0001] The invention relates to the field of high-temperature-resistant anti-corrosion coatings, in particular to a high-temperature-resistant anti-corrosion paint and a preparation method thereof. Background technique [0002] With the development of science and technology, people's requirements for materials are constantly increasing, and it is often necessary to overcome higher temperatures and have higher corrosion resistance. It is urgent for researchers to develop high temperature resistant coatings with a resistance of 500 ℃ or even higher to meet the harsh application environment. Require. Silicone resins are widely used as good high temperature resistant resins. However, pure silicone resin has disadvantages such as long curing time, low coating adhesion at high temperature, and low mechanical strength, which limit its application. Since the molecular structure of the silicone resin still retains active groups such as hydroxyl groups, it provides m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D183/04C09D183/06C09D133/00C09D5/08C09D5/18
CPCC09D183/04C09D183/06C09D5/08C09D5/18C08L2201/08C08K2003/0812C08L2205/05C08L83/06C08L33/00C08K7/00C08K3/08C08L83/04
Inventor 张胜军张宗健
Owner 河南三棵树新材料科技有限公司