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A kind of metal protection paint and its application 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 lubrication performance and fingerprint resistance. Excellent properties and heat resistance

Inactive Publication Date: 2015-12-02
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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  • A kind of metal protection paint and its application and hot-dip metal material
  • A kind of metal protection paint and its application and hot-dip metal material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] 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 Methylsilane coupling agent (CH 3 Si(OCH 3 ) 3 (purchased from Hubei Limeida Silicon Fluoride Technology Co., Ltd., brand LMD-921)), 0.72 parts by weight of silica filler (nano silica powder, purchased from GE Company of the United States, RNS-E, average...

Embodiment 2

[0050] 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 methylsilane coupling agent (CH 3 Si(OCH 3 ) 3 (purchased from Hubei Limeida Silicon Fluoride Technology Co., Ltd., brand LMD-921)), 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 Water-soluble film-forming resin (water-soluble acrylic film-forming resin (purchased from Guangzhou Oupeng chemical industry's brand is the acrylic resin of A-3418)) of parts by weight (in solids) and water of 25 parts by weight, at 1500 rev / min Mix to uniform under the stirring speed, obtain the protective met...

Embodiment 3

[0052] 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 methyl silane coupling agent (CH 3 Si(OCH 3 ) 3 (purchased from Hubei Limeida Silicon Fluorine Technology Co., Ltd., brand LMD-921)), 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 Jinjiang Jianhua Company, Fujian, polyurethane resin of brand 812)) and 40 parts by weight of water are mixed until uniform at a stirring speed of 1500 rpm to obtain this Examples of Metal Protective Coatings.

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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, methylsilane coupling agent and water; and the accelerator is dimethyl silicon oil water-based emulsion and / or polyether modified polysiloxane. The invention also discloses the application of the metal protective paint in the 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 Patents(China)
IPC IPC(8): C09D167/00C09D125/14C09D163/00C09D175/04C09D133/04C09D133/00C09D127/12C09D5/08B32B15/09B32B15/092B32B15/095B32B15/082
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