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Steel structure surface coating

A surface coating and steel structure technology, applied in coatings, epoxy resin coatings, metal-free paints, etc., can solve problems such as shedding, poor durability of surface coatings, cracking of surface coatings, etc., and achieve the effect of delaying shedding time, improve durability, improve the effect of binding force

Active Publication Date: 2021-03-05
东莞市联泰钢构有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the inventor believes that the durability of the surface coating of the steel structure is poor at present. Within a few years of the steel structure being put into use, part of the surface coating cracks or falls off, resulting in the loss of the protective layer separating the steel structure from the external environment, which seriously affects the Service life of steel structure buildings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0039] A zinc salt electrolyte, prepared by the following steps: in parts by weight, take 21 parts of zinc sulfate, 13 parts of ammonium sulfate, 7 parts of polyacrylamide, and 6 parts of thiourea, and fully dissolve them in 150 parts of water to obtain zinc salt electrolyte.

preparation example 2

[0041] A zinc salt electrolyte, prepared by the following steps: in parts by weight, take 27 parts of zinc sulfate, 11 parts of ammonium sulfate, 9 parts of polyacrylamide, and 5 parts of thiourea, and fully dissolve them in 150 parts of water to obtain zinc salt electrolyte.

Embodiment 1

[0044] A steel structure surface coating, prepared by the following steps in parts by weight:

[0045] S1, take 150 parts of epoxy resin, heat to a molten state, add 30 parts of nano-zinc powder to the molten epoxy resin, stir evenly, and obtain zinc coating;

[0046] S2. Coating the zinc paint on the surface of the steel component to be processed, using ultraviolet light to irradiate the part coated with the zinc paint on the surface of the steel component for 20 seconds, cooling and forming to obtain a steel component with a surface coating.

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PUM

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Abstract

The invention relates to the technical field of steel structure building protection, and particularly discloses a steel structure surface coating. The steel structure surface coating comprises a nanometer Zn-ZnO layer, the nanometer Zn-ZnO layer is of a multi-layer scale-shaped structure and permeates into the surface of a steel component, and the technological method of the steel structure surface coating is deposition- surface activation treatment. The steel structure surface coating can be used for protecting a steel structure and has the advantages of being high in adhesive force and durability.

Description

technical field [0001] This application relates to the field of steel structure building protection technology, more specifically, it relates to a steel structure surface coating. Background technique [0002] The steel structure is mainly composed of steel components made of section steel and steel plate. It is one of the main types of building structures. It has the characteristics of light weight and simple construction. Therefore, in modern society, steel structures are widely used in large factories and bridges. and high-rise buildings. However, the steel structure is exposed to the external environment for a long time, and is susceptible to oxidation, corrosion, and thermal deformation due to the external environment. This makes the steel structure irreversibly damaged, and it is also a problem that restricts the large-scale application of the steel structure to buildings. [0003] In order to protect the steel structure building, the related technology adopts the met...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D133/04C09D131/00C09D5/38C09D7/61C25D3/22C25D5/18C25D5/36C25D5/48
CPCC08K2003/0893C08K2003/2241C08K2003/385C09D5/38C09D131/00C09D133/04C09D163/00C25D3/22C25D5/18C25D5/36C25D5/48C09D7/61C08K3/08C08K3/38C08K3/22
Inventor 黄荣铃
Owner 东莞市联泰钢构有限公司
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