A kind of inorganic surface treatment galvanized steel sheet and preparation method thereof

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

Active Publication Date: 2019-11-22
BAOSHAN IRON & STEEL CO LTD
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  • Abstract
  • 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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  • A kind of inorganic surface treatment galvanized steel sheet and preparation method thereof
  • A kind of inorganic surface treatment galvanized steel sheet and preparation method thereof
  • A kind of inorganic surface treatment galvanized steel sheet 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

An environmentally friendly inorganic surface-treated galvanized steel sheet, its preparation method and its water-based inorganic surface treatment agent can meet the rapid deep-drawing process 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. In an open environment, by coating and curing monoorganosilane coupling agent containing hydrophobic groups, system crosslinking agent, water-soluble nano-sol, surface modified high-density polyethylene particles, orthosilicate modification on the surface of galvanized steel sheet Water-based inorganic surface treatment agent composed of graphene oxide, water-soluble fluorine-containing compounds, water-soluble phosphorus-containing compounds and water-soluble metal salt compounds. The obtained inorganic surface-treated galvanized steel sheet has excellent red rust resistance and surface conductivity. , surface lubrication performance and anti-punching blackening performance, can meet the requirements of rapid deep drawing processing of progressive die and bare service, so it is especially suitable for the field of micro motors.

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 Patents(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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