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Metal protective paint and application thereof, and hot-dip metal material

A technology for metal protective coatings and raw materials, applied in the fields of metal protective coatings and hot-dip metal materials, can solve the problems of poor corrosion resistance, water resistance, heat resistance and fingerprint resistance of protective films, and achieve excellent lubricating performance and heat resistance. Excellent properties and excellent fingerprint resistance

Inactive Publication Date: 2013-10-23
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 defects of poor corrosion resistance, water resistance, heat resistance and fingerprint resistance of the protective film formed by the existing metal protective coating, and to provide a protective film capable of forming corrosion resistance, water resistance and heat resistance. Protective coating for metal with a protective film with good anti-fingerprint and anti-fingerprint

Method used

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  • Metal protective paint and application thereof, and hot-dip metal material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] 1 weight part of water-soluble silicate (sodium silicate, purchased from Baoding Runfeng Industrial Co., Ltd.), 0.6 weight part of accelerator (aqueous emulsion of simethicone oil and polyether-modified polysiloxane according to It is obtained after mixing at a weight ratio of 1:1. The aqueous emulsion of simethicone is purchased from Nanjing Huatuo Chemical Co., Ltd., the brand is HTR-1, and the solid content is 30% by weight. The apparent viscosity at 25°C is 25000mPa. obtained after emulsification of simethicone oil of S; polyether-modified polysiloxane was purchased from Dongguan Acer Textile Dyeing and Finishing Auxiliary Factory Co., Ltd., and the apparent viscosity at 25°C was 3000mPa·S), 1.6 parts by weight of (CH 3 O) 3 Si(CH 2 ) 2 Si(OCH 3 ) 3 (purchased from Hubei Limeida Silicon Fluoride Technology Co., Ltd., brand LMD-26M), 0.72 parts by weight of silica filler (nano silica powder, purchased from GE Company of the United States, RNS-E, average particle...

Embodiment 2

[0049] With 1 weight part of water-soluble silicate (potassium silicate, purchased from Baoding Runfeng Industrial Co., Ltd.), 0.5 parts by weight of accelerator (aqueous emulsion of simethicone oil, purchased from Guangzhou Sloco Chemical Co., Ltd. , with a solid content of 80% by weight, obtained by emulsifying simethicone oil with an apparent viscosity of 1500mPa·S at 25°C), 1.4 parts by weight of (CH 3 O) 3 Si(CH 2 ) 2 Si(OCH 3 ) 3 (purchased from Hubei Limeida Silicon Fluoride Technology Co., Ltd., brand LMD-26M), 0.6 parts by weight of silica filler (nano-silica, purchased from GE Company of the United States, RNS-E, average particle size 20nm), 2.1 parts by weight Parts (in solid terms) of water-soluble film-forming resin (water-soluble acrylic film-forming resin (acrylic resin purchased from Guangzhou Oupeng Chemical Industry's brand is A-3418)) and 25 parts by weight of water, at 1500 rpm Mix until uniform at a stirring speed to obtain the protective metal coatin...

Embodiment 3

[0051] With 1 weight part of water-soluble silicate (sodium silicate, purchased from Baoding Runfeng Industrial Co., Ltd.), 0.7 weight part of accelerator (polyether-modified polysiloxane, polyether-modified polysiloxane Alkane was purchased from Dongguan Acer Textile Dyeing and Finishing Auxiliary Factory Co., Ltd., the apparent viscosity at 25°C was 2000mPa.S), 1.8 parts by weight of (CH 3 O) 3 Si(CH 2 ) 2 Si(OCH 3 ) 3 (purchased from Hubei Limeida Silicon Fluoride Technology Co., Ltd., brand LMD-26M), 0.85 parts by weight of silica filler (30% by weight of silica sol, the usage amount is calculated as solid), 2.7 parts by weight (calculated as solid) Water-soluble film-forming resin (water-soluble polyurethane film-forming resin (purchased from Fujian Jinjiang Jianhua Company, the polyurethane resin of brand 812)) and the water of 40 parts by weight are mixed to uniform under the stirring speed of 1500 rev / mins, obtain this implementation Examples of metal protective c...

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Abstract

The invention provides a metal protective paint which is prepared by uniformly mixing a raw material mixture, wherein the raw material mixture contains water-soluble silicate, silicon oxide filler, accelerator, water-soluble film-forming resin, (CH3O)3Si(CH2)2Si(OCH3)3 and water; and the accelerator is dimethyl silicon oil water-based emulsion and / or polyether modified polysiloxane. The invention also discloses application of the metal protective paint in preparation of metal materials. The 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, wherein the coating is the cured product of the metal protective paint. The protective film formed by the metal protective paint provided by the invention has very excellent corrosion resistance, water resistance, heat resistance and fingerprint resistance.

Description

technical field [0001] The invention relates to the field of metal protection, in particular to a metal protection coating, the application of the metal protection coating 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 metal protective paint will be coated on the surface of the hot-dip metal materials to form a protective film. Therefore, the performance of metal protective coatings is very important for the anti-corrosion of hot-dip metal materials. [0003] For example, CN101608306A discloses a passivation solution, which also belongs to a metal protective coating, 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-soluble The organic compound is a mixture of alco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/08C09D7/12C09D167/00C09D125/14C09D163/00C09D175/04C09D133/04C09D133/00C09D127/12
Inventor 许哲峰梅东生陈永徐权郭太雄娄燕周一林
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP