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A kind of metal protective coating and its use and hot-dip metal material

A technology for metal protective coatings and raw materials, which is applied in the field of hot-dip metal materials and metal protective coatings, and can solve the problems of poor corrosion resistance, water resistance, heat resistance and fingerprint resistance of protective films.

Inactive Publication Date: 2015-09-16
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 protective coating and its use and hot-dip metal material
  • A kind of metal protective coating and its use and hot-dip metal material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] With 1 weight part of water-soluble silicate (sodium silicate, purchased from Baoding Runfeng Industrial Co., Ltd.), 0.6 parts by weight of accelerator (methyl cellulose, purchased from Shandong Feicheng Yutian Chemical Co., Ltd., brand 55), 1.6 parts by weight of mercaptopropylsilane coupling agent (HS(CH 2 ) 3 Si(OC 2 h 5 ) 3 (purchased from Hubei Limeida Silicon Fluoride Technology Co., Ltd., brand LMD-81)), 0.72 parts by weight of silica filler (nano silica powder, purchased from GE Company of the United States, RNS-E, average particle size 20nm), The water-soluble film-forming resin (water-soluble silicon-acrylic film-forming resin (Qingdao Xingguo Paint Company TC-05 type silicon-acrylic emulsion, solid content is 48% by weight)) of the water-soluble film-forming resin of 2.4 weight parts (in solids)) and the water of 28 weight parts, Mix until uniform at a stirring speed of 1500 rpm to obtain the protective metal coating of this embodiment.

Embodiment 2

[0047] With 1 weight part of water-soluble silicate (potassium silicate, purchased from Baoding Runfeng Industrial Co., Ltd.), 0.5 parts by weight of accelerator (methyl cellulose, purchased from Shandong Feicheng Yutian Chemical Co., Ltd., brand 55), 1.4 parts by weight of mercaptopropylsilane coupling agent (HS(CH 2 ) 3 Si(OC 2 h 5 ) 3 (purchased from Hubei Limeida Silicon Fluoride Technology Co., Ltd., brand LMD-81)), 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 metal coating of the present embodiment.

Embodiment 3

[0049] With 1 weight part of water-soluble silicate (sodium silicate, purchased from Baoding Runfeng Industrial Co., Ltd.), 0.7 parts by weight of accelerator (methyl cellulose, purchased from Shandong Feicheng Yutian Chemical Co., Ltd., brand 55), 1.8 parts by weight of mercaptopropylsilane coupling agent (HS(CH 2 ) 3 Si(OC 2 h 5 ) 3 (purchased from Hubei Limeida Silicon Fluoride Technology Co., Ltd., brand LMD-81)), 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 Example 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, thiopropyl silane coupling agent and water; and the accelerator is at least one of methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methylcellulose and sodium carboxymethyl cellulose. 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): 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