Environment-friendly surface treatment agent and preparation method and use thereof, and hot-dip plated metal material

A surface treatment agent and hot-dip metal technology, applied in the direction of metal layered products, epoxy resin coatings, chemical instruments and methods, etc., can solve the problems of poor corrosion resistance of the protective film, and achieve excellent storage resistance and corrosion resistance excellent effect

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 present invention is to overcome the poor corrosion resistance defect of the protective film formed by the existing environment-friendly surface treatment agent, and provide an environment-friendly surface treatment agent capable of forming a protective film with good corrosion resistance

Method used

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  • Environment-friendly surface treatment agent and preparation method and use thereof, and hot-dip plated metal material
  • Environment-friendly surface treatment agent and preparation method and use thereof, and hot-dip plated metal material

Examples

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preparation example Construction

[0023] According to the preparation method of the environment-friendly surface treatment agent provided by the present invention, in order to further improve the lubricating performance of the formed protective film, preferably, the preparation method also includes: mixing the water and the silane coupling agent uniformly with the The lubricating aid is mixed evenly, and the lubricating aid is one or more of the aqueous emulsion of simethicone oil, polyether-modified polysiloxane, the aqueous emulsion of polyethylene wax and the 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, more preferably 0.5-0.7 parts by weight.

[0025] Wherein, the solid content of the aqueous emulsion of simethicone 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 to prep...

Embodiment 1

[0050] 28 parts by weight of water and 1.6 parts by weight of silane coupling agent (CH 3 Si(ONC(CH 3 )CH 2 CH 3 ) 3 , purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-8033) and mixed until uniform at a stirring speed of 1500 rpm to obtain a uniform liquid A.

[0051] Mix all the uniform 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 uniform liquid B .

[0052] All the homogeneous liquid B and 0.72 parts by weight of silica filler (nano silica sol, purchased from Shandong Baite New Material Co., Ltd., the brand is SS-30, and the weight is calculated as silica) at 1500 rpm Mix until homogeneous at stirring speed to obtain homogeneous liquid C.

[0053] All the homogeneous liquid C and 2.4 parts by weight (in terms of solids) of water-soluble film-forming resin (water-soluble silicone acrylic film-forming ...

Embodiment 2

[0061] 25 parts by weight of water and 1.4 parts by weight of silane coupling agent (CH 3 Si(ONC(CH 3 )CH 2 CH 3 ) 3 , purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-8033) and mixed until uniform at a stirring speed of 1500 rpm to obtain a uniform liquid A.

[0062] All of the uniform liquid A and 1 part by weight of water-soluble silicate (potassium silicate, purchased from Baoding Runfeng Industrial Co., Ltd.) were mixed until uniform at a stirring speed of 1500 rpm to obtain a uniform liquid B.

[0063] Mix all the homogeneous liquid B and 0.6 parts by weight of silica filler (nano-silica sol, purchased from ADEKA Co., Ltd., the brand is AT-30, and the weight is calculated as silica) at a stirring speed of 1500 rpm until uniform, to obtain a uniform liquid C.

[0064] All the homogeneous liquid C and 2.1 parts by weight (in terms of solids) of water-soluble film-forming resin (water-soluble silicone acrylic film-forming resin (Silomer8861 emulsio...

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Abstract

The invention provides a preparation method of an environment-friendly surface 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 environment-friendly surface treatment agent prepared according to the preparation method and a use thereof in preparation of metal materials. The invention further provides a hot-dip plated metal material which comprises a hot-dip plated metal substrate and a coating layer adhering onto the hot-dip plated metal substrate, wherein the coating layer is a cured product of the environment-friendly surface treatment agent. A protective film formed by the environment-friendly surface treatment agent provided by the invention is quite excellent in corrosion resistance. In addition, the environment-friendly surface 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 an environment-friendly surface treatment agent, an environment-friendly surface treatment agent obtained by the preparation method, uses of the environment-friendly surface treatment agent and hot-dip metal materials. Background technique [0002] Hot-dip metal materials, including hot-dip galvanized metal materials and hot-dip galvanized metal materials, in order to prevent corrosion, a layer of environmentally friendly surface treatment agent will be coated on the surface of hot-dip metal materials to form a protective film. Therefore, the performance of environmentally friendly surface treatment agents is very important for the anti-corrosion of hot-dip metal materials. [0003] For example, CN101608306A discloses a passivation solution, which also belongs to an environment-friendly surface treatment agent. It is characterized in that the passivation so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/00C09D125/14C09D163/00C09D175/04C09D133/04C09D127/12C09D7/12C09D5/08B32B15/08
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
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