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A kind of anti-rust protective agent and its preparation method and application and hot-dip metal material

A technology of hot-dip metal and protective agent, applied in the field of anti-rust protective agent and hot-dip metal material, can solve the problem of poor corrosion resistance of protective film, and achieve the effect of excellent storage resistance and excellent corrosion resistance.

Inactive Publication Date: 2016-06-15
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 relatively poor corrosion resistance defect of the protective film formed by the existing anti-rust protective agent, and provide a kind of anti-rust protective agent capable of forming a protective film with good corrosion resistance

Method used

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  • A kind of anti-rust protective agent and its preparation method and application and hot-dip metal material

Examples

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Effect test

preparation example Construction

[0013] The invention provides a preparation method of an anti-rust protectant, which comprises mixing water, a silane coupling agent, a water-soluble silicate, a silicon oxide filler and a water-soluble film-forming resin in sequence; the silane coupling agent Including the first silane coupling agent and the second silane coupling agent, the first silane coupling agent is Cl(CH 2 ) 3 Si(OCH 3 ) 3 , Cl(CH 2 ) 3 Si(OC 2 h 5 ) 3 , Cl(CH 2 ) 3 SiCH 3 (OCH 3 ) 2 and Cl(CH 2 ) 3 SiCH 3 (OC 2 h 5 ) 2 At least one of; the second silane coupling agent is R 1 -Si(OCH 3 ) 3 , R 1 -Si(OC 2 h 5 ) 3 , R 1 -SiCH 3 (OCH 3 ) 2 and R 1 -SiCH 3 (OC 2 h 5 ) 2 at least one of R 1 each independently selected from CH 2 (O)CHCH 2 O(CH 2 ) 3 -or (CH 2 ) 2 -.

[0014] Wherein, in detail, the method includes: (1) uniformly mixing water and the silane coupling agent to obtain a uniform liquid A; (2) uniformly mixing the uniform liquid A and a water-soluble sili...

Embodiment 1

[0051] Mix 28 parts by weight of water and 1.6 parts by weight of silane coupling agent (composed of the first silane coupling agent and the second silane coupling agent) at a stirring speed of 1500 rpm to obtain uniform liquid A, Among them, the first silane coupling agent is Cl(CH 2 ) 3 Si(OCH 3 ) 3 , purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-231, the second silane coupling agent is CH 2 (O)CHCH 2 O(CH 2 ) 3 Si(OCH 3 ) 3 , purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-560, the weight ratio of the first silane coupling agent and the second silane coupling agent is 1.5:1.

[0052] 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 .

[0053] All the homogeneous liquid B and 0.72 parts by weight of silica filler (nano silica sol, purchase...

Embodiment 2

[0066] Mix 25 parts by weight of water and 1.4 parts by weight of silane coupling agent (composed of the first silane coupling agent and the second silane coupling agent) at a stirring speed of 1500 rpm to obtain a homogeneous liquid A, Among them, the first silane coupling agent is Cl(CH 2 ) 3 Si(OCH 3 ) 3 , purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-231, the second silane coupling agent is CH 2 (O)CHCH 2 O(CH 2 ) 3 Si(OC 2 h 5 ) 3 , purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-563, the weight ratio of the first silane coupling agent and the second silane coupling agent is 1.4:1.

[0067] 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.

[0068] Mix all the homogeneous liquid B and 0.6 parts by weight of silica filler (nano-silica ...

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Abstract

The invention provides a preparation method of an anti-rust protective agent, which comprises the steps of uniformly mixing water, a silane coupling agent, a water-soluble silicate, a silicon oxide filler and a water-soluble film-forming resin in sequence. The present invention also provides the anti-rust protectant prepared according to the above-mentioned preparation method and the use of the above-mentioned anti-rust protectant in the preparation of metal materials. The present invention also provides a hot-dip metal material, which comprises a hot-dip metal substrate and a coating attached to the hot-dip metal substrate, and the coating is the above-mentioned anti-rust protective agent cured product. The corrosion resistance of the protective film formed by the anti-rust protective agent provided by the invention is very good. In addition, the anti-rust protective agent provided by the invention has excellent storage resistance, and can be stored at room temperature for 180 days without obvious change in properties and performance decline after the preparation is completed.

Description

technical field [0001] The invention relates to the field of metal protection, in particular to a preparation method of an antirust protectant, an antirust protectant obtained by the preparation method, an application of the antirust protectant and a hot-dip metal material. 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 anti-rust protective agent will be coated on the surface of the hot-dip metal materials to form a protective film. Therefore, the performance of the anti-rust protective agent 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 antirust protective agent, and is characterized in that the passivation solution is an aqueous solution containing water-soluble molybdenum compounds, boric acid, water-soluble organic matter a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D167/00C09D125/14C09D163/00C09D175/04C09D133/04C09D133/00C09D127/12C09D7/12C09D5/08
Inventor 许哲锋李纪仁李南黄平生李光跃
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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