Galvanized steel sheet excellent in surface abrasion resistance, corrosion resistance and acid and base resistance and water-based surface treating agent

A surface treatment agent, wear resistance technology, applied in the direction of coatings, polyurea/polyurethane coatings, anti-corrosion coatings, etc., can solve the problems of increasing the mechanical strength and wear resistance of the system

Active Publication Date: 2016-01-20
BAOSHAN IRON & STEEL CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

At the same time, the atoms of graphene are connected by carbon-carbon covalent bonds, and the van der Waals force is between the sheets, so the sheets are easy to slide each other, with excellent mechanical properties and self-lubricating properties, so graphene can Play the role of enhancing wear resistance, however, due to the strong van der Waals force be

Method used

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  • Galvanized steel sheet excellent in surface abrasion resistance, corrosion resistance and acid and base resistance and water-based surface treating agent
  • Galvanized steel sheet excellent in surface abrasion resistance, corrosion resistance and acid and base resistance and water-based surface treating agent
  • Galvanized steel sheet excellent in surface abrasion resistance, corrosion resistance and acid and base resistance and water-based surface treating agent

Examples

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Effect test

Embodiment 1-8 and comparative example 1-3

[0087] The substrates of Examples 1-8 and Comparative Examples 1-3 all adopt 0.5mm galvanized steel sheets, and the zinc layer weight is 60 / 60g / m 2 , first spray and clean the surface of the steel plate with a medium-alkalinity degreasing agent (pH: 9-10), then wash it with pure water to remove the residual alkaline components on the surface, and apply an environmentally friendly surface treatment agent for galvanized steel plates Drying is carried out at 80-180°C on the surface of the galvanized steel sheet to form a composite film with a thickness of 2-4 microns on the surface of the galvanized steel sheet.

[0088] Table 1 lists the parts by weight of each component in the environmental-friendly surface treatment agent for galvanized steel sheets in Examples 1-8 and Comparative Examples 1-3.

[0089] figure 1 It is a schematic diagram of the structure of bisorganosiloxane (1,2-bisethylmethoxysilylethane). It can be seen that there are 6 alkoxy groups available for reaction...

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Abstract

The invention relates to a galvanized steel sheet excellent in surface abrasion resistance, corrosion resistance and acid and base resistance and a water-based surface treating agent. The surface of a galvanized steel sheet is coated with the surface treating agent in a solidified mode, wherein the surface treating agent includes water-based positive ion polyurethane composite resin, compound organic silane coupling agents containing bis-organic silane coupling agents and mono-organic silane coupling agents, compound lubrication particles containing teflon-surface modification high-density polyethylene particles, oxidized graphene, water-soluble fluorine-containing compounds, water-soluble phosphorous compounds, water-soluble rare earth salt compounds and other components, and therefore the surface treatment galvanized steel sheet excellent in surface abrasion resistance, corrosion resistance and acid and base resistance is obtained. Meanwhile, the surface treatment galvanized steel sheet has good resistance, such as solvent resistance, to all kinds of chemical media.

Description

technical field [0001] The invention belongs to the technical field of surface treatment of metal materials, and in particular relates to a galvanized steel sheet with excellent surface wear resistance, corrosion resistance and acid and alkali resistance and a water-based surface treatment agent. Background technique [0002] Galvanized steel sheets are widely used in various fields such as automobiles, home appliances, and construction, and are mostly used as parts of automobiles, home appliances, and OA products. However, during the storage, transportation, processing and use of galvanized steel sheets, there are several key issues that need attention. For example, in order to prevent the galvanized steel sheets from rusting and producing white rust during transportation and storage, anti-rust oil should be applied when producing steel sheets; Reduce the friction between the mold and the plate during the stamping forming process, prevent the plate from cracking and the sur...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D175/08C09D127/18C09D123/26C09D7/12C09D5/08
CPCC23C2222/20C23C22/68C23C22/74C23C22/361C23C22/36
Inventor 杨家云戴毅刚张剑萍马源
Owner BAOSHAN IRON & STEEL CO LTD
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