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Heat-insulated protective coating of metal material and preparation method thereof

A metal material, protective coating technology, applied in the direction of coating, device for coating liquid on the surface, pressure inorganic powder coating, etc., can solve the problem of unstable material junction, achieve good heat insulation effect, anti-corrosion and waterproof Good effect and beautiful appearance

Inactive Publication Date: 2018-06-12
宁波远欣石化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art, provide a thermal insulation protective coating for metal materials and its preparation method, and solve the problem of unstable junctions of materials at high temperatures

Method used

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  • Heat-insulated protective coating of metal material and preparation method thereof
  • Heat-insulated protective coating of metal material and preparation method thereof
  • Heat-insulated protective coating of metal material and preparation method thereof

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Embodiment Construction

[0040] The technical solution of the present invention will be further described in detail below in conjunction with specific examples, but the protection scope of the present invention is not limited to the following description.

[0041] A heat-insulating protective coating for metal materials, which forms a protective coating on the surface of the metal material by spraying, and the heat-insulating protective coating is composed of the following:

[0042] Adhesive layer, sprayed on the surface of the metal material;

[0043] Thermal insulation layer I, sprayed on the bonding layer surface;

[0044]Heat insulation layer II, sprayed on the surface of heat insulation layer I;

[0045] Anti-corrosion layer, sprayed on the surface of metal materials.

[0046] Specifically, the metal material is aluminum metal, copper metal or aluminum-copper alloy material.

[0047] Specifically, the bonding layer is silicon powder.

[0048] Specifically, the purity of the silicon powder is ...

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Abstract

The invention relates to a heat-insulated protective coating of a metal material and a preparation method of the heat-insulated protective coating of the metal material. The protective coating is formed on the surface of the metal material in a spray coating manner. The heat-insulated protective coating is composed of an adhesive layer, a heat-insulated layer I, a heat-insulated layer II and a corrosion-resistant layer, wherein the surface of the metal material is coated with the adhesive layer, the surface of the adhesive layer is coated with the heat-insulated layer I, the surface of the heat-insulated layer is coated with the heat-insulated layer II, the surface of metal material is coated with the corrosion-resistant layer. The preparation method comprises the following steps of S1, conducting pretreatment on the surface of the metal material; S2, preparing the adhesive layer; S3 preparing the heat-insulated layer I, S4 preparing the heat-insulated layer II and S5 preparing the corrosion-resistant layer. The heat-insulated protective coating of the metal material has the advantages of being resistant to high temperature, stable in structure, good in machining performance and high in combination degree.

Description

technical field [0001] The invention relates to the technical field of metal protective coatings, in particular to a heat-insulating protective coating of metal materials and a preparation method thereof. Background technique [0002] Desirable characteristics and / or properties of thermal insulation materials, especially for subsea applications, include: thermal stability above 175°C; hydrolysis resistance above 175°C; elongation at break at 25°C Flexibility with a rate greater than 5%; compatibility with glass microspheres; fast cure time; low thermal conductivity; high impact strength; castable (high yield at low capital expenditure cost); Rigidity for stable tube handling under conditions; can be processed in air; can be applied in thick sections without multiple layering; can be applied on complex geometries; cures quickly and fully under production conditions; Machinable in the presence of (water). Furthermore, there is a need in the industry for thermal insulation ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C24/04B05D7/14
CPCC23C24/04B05D7/14B05D2503/00
Inventor 蒋辉
Owner 宁波远欣石化有限公司
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