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Inorganic surface treatment galvanized steel plate and preparation method thereof

A galvanized steel sheet and surface treatment technology, applied in the coating process of metal materials, etc., can solve the problems of lack of surface conductivity and high requirements for production equipment, and achieve the effect of excellent anti-red rust performance and surface conductivity of parts

Active Publication Date: 2018-03-09
BAOSHAN IRON & STEEL CO LTD
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this steel plate is a thick-coated product with a single-layer film thickness of 2-10 microns. Its manufacturing process is a two-step method. First, a chromium-free chemical conversion film is formed, and then polyester resin is coated. It is obtained by coating twice and baking twice. Usually, the second baking is required to heat the steel plate at a temperature of 170-250°C. This patent requires relatively high production equipment and does not have surface conductivity, so it is not suitable for micro Motor field

Method used

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  • Inorganic surface treatment galvanized steel plate and preparation method thereof
  • Inorganic surface treatment galvanized steel plate and preparation method thereof
  • Inorganic surface treatment galvanized steel plate and preparation method thereof

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Embodiment

[0200] (1) Substrate

[0201] The types of substrates used are shown in Table 1. Mild steel with a plate thickness of 0.5 mm was used as the substrate on which the inorganic film was applied. The substrates in Table 1 were sprayed and cleaned with an aqueous solution of an alkaline degreasing agent (brand: FC-364S, produced by Shanghai Parker Sejing) with a mass fraction of 2%. Aqueous solution temperature: 50°C; spraying time: 60 seconds. Then wash it with industrial pure water to remove the residual alkaline components on the surface, and dry it with a hair dryer for later use.

[0202] Table 1 Substrate

[0203]

[0204]

[0205] (2) Water-based inorganic surface treatment agent

[0206] The water-based inorganic surface treatment agent used to form the inorganic film is a combination of hydrophobic monoorganosilane coupling agent (Table 2), system crosslinking agent (Table 3), water-soluble nano-sol (Table 4), surface-modified high-density polymer Ethylene parti...

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Abstract

Disclosed are an environment-friendly inorganic surface treatment galvanized steel plate and a preparation method and water-based inorganic surface treatment agent of the environment-friendly inorganic surface treatment galvanized steel plate. According to the environment-friendly inorganic surface treatment galvanized steel plate and the preparation method and water-based inorganic surface treatment agent of the environment-friendly inorganic surface treatment galvanized steel plate, progressive die rapid deep-drawing machining in the micro-motor field can be met, and excellent part anti-red-rust performance and surface conductivity are achieved simultaneously. Under an open environment, by coating and curing the water-based inorganic surface treatment agent containing a single organic silane coupling agent containing hydrophobic groups, a system crosslinking agent, water-soluble nano sol, surface modified high-density polyethylene particles, orthosilicate ester modified graphene oxide, a water-soluble fluorinated compound, a water-soluble phosphorous compound, a water-soluble metallic salt compound and the like on the surface of the galvanized steel plate, the obtained inorganicsurface treatment galvanized steel plate has excellent anti-red-rust performance, the surface conductivity, surface lubrication performance and anti-stamping blackening performance, requirements of progressive die rapid deep-drawing machining and bare service can be met, and therefore, the environment-friendly inorganic surface treatment galvanized steel plate and the preparation method and water-based inorganic surface treatment agent of the environment-friendly inorganic surface treatment galvanized steel plate are especially suitable for the field of micromotors.

Description

technical field [0001] The invention belongs to the technical field of surface treatment of galvanized steel sheets, and in particular, relates to an inorganic surface-treated galvanized steel sheet and a preparation method thereof and a water-based inorganic surface treatment agent. According to the inorganic surface-treated galvanized steel sheet and the preparation method of the inorganic The surface-treated galvanized steel sheet and the preparation method thereof can meet the rapid deep-drawing processing of progressive dies in the field of micro-motors, and have excellent anti-red rust performance and surface conductivity of parts at the same time. Background technique [0002] Galvanized steel sheets are widely used in various fields such as automobiles, household appliances, and construction, and are mostly used as parts for automobiles, household appliances, and micro-motors. At the same time, the improvement of mechanical automation has made various micro-motors wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C22/36C23C22/44C23C22/73
CPCC23C22/36C23C22/361C23C22/44C23C22/73C23C2222/20C23C22/68C23C22/74
Inventor 杨家云张剑萍张文麒戴毅刚
Owner BAOSHAN IRON & STEEL CO LTD
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