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Surface-treating agent comprising crystalline layered inorganic compound dispersed in nanosheet form

A surface treatment agent and inorganic compound technology, applied in the direction of niobium compounds, inorganic chemistry, phosphorus compounds, etc., to achieve the effect of improving corrosion resistance or coating adhesion

Inactive Publication Date: 2011-05-25
NIHON PARKERIZING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the remaining problem is that the corrosion resistance and coating film adhesion of the processed part cannot be ensured

Method used

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  • Surface-treating agent comprising crystalline layered inorganic compound dispersed in nanosheet form
  • Surface-treating agent comprising crystalline layered inorganic compound dispersed in nanosheet form
  • Surface-treating agent comprising crystalline layered inorganic compound dispersed in nanosheet form

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～69、 comparative example 1～24

[0068] For SPCC material, GA material, EG material, GI material, GL material or AL material, use the surface treatment agent with the composition shown in Table 1, and apply it by bar coating to form a specified film thickness, and use it as a temporary rust preventive agent. The used bare board (before painting) and / or the bottom treatment film of the general painted board and the bottom treatment film of the pre-coated board are dried in a drying oven at a maximum temperature (PMT) of 120°C. For the AL material, use the surface treatment agent with the composition shown in Table 1, and apply it by bar coating to form a specified film thickness, and use it as the bottom treatment film of the hydrophilic coating plate, and dry it in a drying oven at PMT180°C . Here, the crystalline layered zirconium phosphate [Zr(HPO 4 ) 2 ·H 2 O] As an example, production examples of the crystalline layered inorganic compounds used in the present examples and comparative examples will be s...

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Abstract

Disclosed is a surface-treating agent comprising a crystalline layered inorganic compound formed with an organic amine or an organic ammonium into a nanosheet, wherein the organic amine or organic ammonium is a polyfucntional organic amine or polyfunctional organic ammonium. The surface-treating agent is a nanosheet-dispersed sol-type non-chromate surface-treating agent which shows excellent corrosion resistance and coating-adhesiveness at a processed part and can form a stiff film even used in the manufacture of a precoated metal plate which is applicable to an electric appliance, an automotive product or the like which is required to have a strictly machined shape.

Description

technical field [0001] The present invention relates to a surface treatment agent capable of forming a surface film, in which nanosheets of a crystalline layered inorganic compound are dispersed, and which is excellent in corrosion resistance and paint adhesion. More specifically, it relates to, for example, a chromium-free surface treatment agent used as a temporary antirust or primer for metal materials, a surface treatment method using the surface treatment agent, and further relates to a metal material treated with the surface treatment agent and made from metal. Background technique [0002] At present, in order to produce materials with excellent structure and function, it is vigorously promoted to form nanostructures on the surface interface of materials. Under such circumstances, it has been proposed to obtain a nanosheet dispersion sol by subjecting a layered crystal metal compound to a predetermined treatment to disperse fine crystal flakes of the layered crystal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C26/00C01B33/12B05D7/14C01G23/00B05D7/24C01G31/02C01B13/14C01G33/00C01B25/24C09D1/00C01B25/37
CPCC09D1/00C23C30/00B82Y30/00C01B25/26C01P2002/20B05D7/14C09C1/42C01B13/14C23C26/00C01B25/372C01B33/12
Inventor 黄建顺
Owner NIHON PARKERIZING
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