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

A metal protective coating and raw material technology, which is applied in the field of hot-dip metal materials and metal protective coatings, can solve the problems of protective film corrosion resistance, water resistance, heat resistance and fingerprint resistance, etc., and achieve excellent lubricating performance and heat resistance Excellent performance, excellent anti-fingerprint effect

Inactive Publication Date: 2016-04-06
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 protective coating for metal and its application and hot-dip metal material
  • A kind of protective coating for metal and its application and hot-dip metal material
  • A kind of protective coating for metal and its application and hot-dip metal material

Examples

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Effect test

Embodiment 1

[0043] The water-soluble silicate (sodium silicate, purchased from Baoding Runfeng Industrial Co., Ltd.) of 1 weight part, the accelerator (the aqueous emulsion of polyethylene wax and the aqueous emulsion of oxidized polyethylene wax by weight ratio 1 : Obtained after 1 mixing, the aqueous emulsion of polyethylene wax is purchased from Hongguang Plastic Raw Material Management Department of Dongguan City, and the solid content is 48% by weight, and the melting point of polyethylene wax is 110-115 ℃; The aqueous emulsion of oxidized polyethylene wax is purchased from Beijing Zhongguan Special Wax Co., Ltd., the solid content is 48% by weight, the melting point of oxidized polyethylene wax is 105-110°C, the acid value is 14-21mgKOH / g), 1.6 parts by weight of C 6 h 11 NHCH 2 CH 2 CH 2 Si(OCH 3 ) 3 (purchased from Hubei Limeida Silicon Fluoride Technology Co., Ltd., brand LMD-58), 0.72 parts by weight of silica filler (nano silica powder, purchased from GE Company of the Uni...

Embodiment 2

[0053] With 1 weight part of water-soluble silicate (potassium silicate, purchased from Baoding Runfeng Industrial Co., Ltd.), 0.5 weight part of accelerator (aqueous emulsion of oxidized polyethylene wax, purchased from Beijing Zhongguan Special Wax Co., Ltd., The solid content is 48% by weight, the melting point of oxidized polyethylene wax is 100-105°C, the acid value is 17-26mgKOH / g), 1.4 parts by weight of C 6 h 11 NHCH 2 CH 2 CH 2 Si(OCH 3 ) 3 (purchased from Hubei Limeida Silicon Fluoride Technology Co., Ltd., brand LMD-58), 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 protectiv...

Embodiment 3

[0055] With 1 weight part of water-soluble silicate (sodium silicate, purchased from Baoding Runfeng Industrial Co., Ltd.), 0.7 weight part of accelerator (aqueous emulsion of polyethylene wax, purchased from Dongguan Hongguang Plastic Raw Materials Management Department, Solid content is 48% by weight, the melting point of polyethylene wax is 105-110 ℃), 1.8 parts by weight of C 6 h 11 NHCH 2 CH 2 CH 2 Si(OCH 3 ) 3 (purchased from Hubei Limeida Silicon Fluoride Technology Co., Ltd., brand LMD-58), 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 coatin...

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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, C6H11NHCH2CH2CH2Si(OCH3)3 and water; and the accelerator is polyethylene wax water-based emulsion and / or oxidized polyethylene wax water-based emulsion. 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 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