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Anti-rust sealing agent and preparation method and use thereof, and hot-dip plated metal material

A hot-dip metal and sealing agent technology, which is applied in the field of anti-rust sealant and hot-dip metal materials, can solve the problems of poor corrosion resistance of the protective film, and achieve the effect of excellent storage resistance and excellent 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 poor corrosion resistance defect of the protective film formed by the existing antirust sealant, and provide a kind of antirust sealant capable of forming a protective film with good corrosion resistance

Method used

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  • Anti-rust sealing agent and preparation method and use thereof, and hot-dip plated metal material
  • Anti-rust sealing agent and preparation method and use thereof, and hot-dip plated metal material

Examples

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preparation example Construction

[0013] The invention provides a preparation method of an antirust sealant, which comprises mixing water, a silane coupling agent, a water-soluble silicate, an accelerator, a silicon oxide filler and a water-soluble film-forming resin in sequence; the silane The 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 them; the accelerator is thiourea and / or urea.

[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 silicate to obtain a uniform liquid B; (3) uniformly mix the uniform liquid B and accelerator to obtain uniform liquid C; (4) uniformly mix the uniform liquid C and silicon oxide filler to obtain uniform liquid D; (5) uniformly Liquid D is uniformly mixed with water-soluble film-forming resin to obtain u...

Embodiment 1

[0051] With 28 parts by weight of water and 1.6 parts by weight of silane coupling agent (Cl(CH 2 ) 3 Si(OCH 3 ) 3 , purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-231) and mixed until uniform at a stirring speed of 1500 rpm to obtain a uniform liquid A.

[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 of the homogeneous liquid B and 0.6 parts by weight of accelerator (thiourea) were mixed until uniform at a stirring speed of 1500 rpm to obtain a homogeneous liquid C.

[0054] All the homogeneous liquid C 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 homogene...

Embodiment 2

[0063] With 25 parts by weight of water and 1.4 parts by weight of silane coupling agent (Cl(CH 2 ) 3 Si(OCH 3 ) 3 , purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-231) and mixed until uniform at a stirring speed of 1500 rpm to obtain a uniform liquid A.

[0064] 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.

[0065] All of the homogeneous liquid B and 0.5 parts by weight of accelerator (an equal weight mixture of thiourea and urea) were mixed until uniform at a stirring speed of 1500 rpm to obtain a homogeneous liquid C.

[0066] Mix all the homogeneous liquid C 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 obt...

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Abstract

The invention provides a preparation method of an anti-rust sealing agent. The method comprises successively mixing evenly water, silane coupling agents, water-soluble silicate, an accelerant, a silica filler and water-soluble film-forming resin. The invention also provides the anti-rust sealing 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 anti-rust sealing agent. A protective film formed by the anti-rust sealing agent provided by the invention is quite excellent in corrosion resistance. In addition, the anti-rust sealing 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 antirust sealant, an antirust sealant obtained by the preparation method, an application of the antirust sealant 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 sealant will be coated on the surface of the hot-dip metal materials to form a protective film. Therefore, the performance of the anti-rust sealant 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 sealant, and is characterized in that the passivation solution is an aqueous solution containing a water-soluble molybdenum compound, boric acid, water-soluble organic matter and silica sol, wherein the Water-s...

Claims

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Application Information

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