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Plating layer surface chemical treatment agent and preparation method and use thereof, and metal material

A surface chemical treatment, metal material technology, applied in chemical instruments and methods, metal layered products, coatings, etc., can solve problems such as poor corrosion resistance of protective films, and achieve excellent storage resistance and corrosion resistance.

Inactive Publication Date: 2014-09-24
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the invention is to overcome the relatively poor corrosion resistance defect of the protective film formed by the existing coating surface chemical treatment agent, and provide a coating surface chemical treatment agent capable of forming a better corrosion resistance protective film

Method used

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  • Plating layer surface chemical treatment agent and preparation method and use thereof, and metal material

Examples

Experimental program
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preparation example Construction

[0023] According to the preparation method of the coating surface chemical treatment agent provided by the present invention, in order to further improve the lubricity of the formed protective film, preferably, the preparation method further includes: mixing water and silane coupling agent homogeneously with the material The lubricating aid is uniformly mixed, and the lubricating aid is one or more of an aqueous emulsion of dimethyl silicone oil, a polyether modified polysiloxane, an aqueous emulsion of polyethylene wax, and an aqueous emulsion of oxidized polyethylene wax. Kind.

[0024] More preferably, relative to 1 part by weight of the water-soluble silicate, the content of the lubricating aid is 0.2-1.8 parts by weight, and further preferably 0.5-0.7 parts by weight.

[0025] Wherein, the solid content of the aqueous emulsion of dimethyl silicone oil may be 10-90% by weight, preferably 30-80% by weight. It should be noted that when the aqueous emulsion of simethicone is used...

Embodiment 1

[0050] Combine 28 parts by weight of water and 1.6 parts by weight of silane coupling agent (CH 3 Si(OCH 3 ) 3 , Purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-8030), mixed at a stirring speed of 1500 rpm until uniform, and uniform liquid A is obtained.

[0051] Mix all the homogeneous liquid A and 1 part by weight of water-soluble silicate (sodium metasilicate pentahydrate, purchased from Qingdao Darun Chemical Co., Ltd.) at a stirring speed of 1500 rpm until uniform, to obtain a homogeneous liquid B .

[0052] Put all the homogeneous liquid B and 0.72 parts by weight of silica filler (nano silica sol, purchased from Shandong Baxter New Material Co., Ltd., brand name SS-30, weight based on silica) at 1500 revolutions per minute Mix at a stirring speed until uniform, and a homogeneous liquid C is obtained.

[0053] Combine all the uniform liquid C and 2.4 parts by weight (based on solids) of water-soluble film-forming resin (water-soluble silicone acrylic film...

Embodiment 2

[0061] Combine 25 parts by weight of water and 1.4 parts by weight of silane coupling agent (CH 3 Si(OC 2 H 5 ) 3 , Purchased from Hubei Debang New Chemical Material Co., Ltd., brand DB-8031) Mix until uniform at a stirring speed of 1500 rpm to obtain uniform liquid A.

[0062] Mix all the homogeneous liquid A and 1 part by weight of water-soluble silicate (potassium silicate, purchased from Baoding Runfeng Industrial Co., Ltd.) at a stirring speed of 1500 revolutions per minute until uniform, to obtain a homogeneous liquid B.

[0063] Mix all the uniform liquid B and 0.6 parts by weight of silica filler (nano silica sol, purchased from ADEKA Co., Ltd., brand AT-30, weight based on silica) at a stirring speed of 1500 rpm To be uniform, a uniform liquid C is obtained.

[0064] Combine all the uniform liquid C and 2.1 parts by weight (based on solids) of water-soluble film-forming resin (water-soluble silicone acrylic film-forming resin (Silomer8861 emulsion (purchased from Richdale Sp...

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Abstract

The invention provides a preparation method of a plating layer surface chemical treatment agent. The method comprises successively mixing evenly water, silane coupling agents, water-soluble silicate, a silica filler and water-soluble film-forming resin. The invention also provides the plating layer surface chemical treatment agent prepared according to the preparation method and a use thereof in preparation of metal materials. The invention further provides a metal material. The metal material comprises a metal substrate and a coating layer adhering onto the metal substrate, wherein the coating layer is a cured product of the plating layer surface chemical treatment agent. A protective film formed by the plating layer surface chemical treatment agent provided by the invention is quite excellent in corrosion resistance. In addition, the plating layer surface chemical treatment agent provided by the invention is quite excellent in storage resistance, and can be stored for 180 days at room temperature after completion of preparation but does not generate obvious character changes and performance reduction.

Description

Technical field [0001] The invention relates to the field of metal protection, in particular to a preparation method of a coating surface chemical treatment agent, a coating surface chemical treatment agent obtained by the preparation method, use of the coating surface chemical treatment agent and metal materials. Background technique [0002] Metal materials, including hot-dip galvanized metal materials and hot-dip galvanized metal materials, in order to prevent corrosion, a layer of coating surface chemical treatment agent is applied to the surface of the metal material to form a protective film. Therefore, the performance of the chemical treatment agent on the surface of the coating is very important for the corrosion prevention of metal materials. [0003] For example, CN101608306A discloses a passivation solution, which also belongs to a chemical treatment agent for coating surface. It is characterized in that the passivation solution is an aqueous solution containing water-so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/00C09D125/14C09D163/00C09D175/04C09D133/04C09D133/00C09D127/12C09D7/12C09D5/08B32B15/08
Inventor 许哲峰陈永徐权李国安汤佩林周一林
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP