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

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

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] 1 part by weight of water-soluble silicate (sodium silicate, purchased from Baoding Runfeng Industrial Co., Ltd.), 1.6 parts by weight of (CH 3 O) 3 Si(CH 2 ) 2 Si(OCH 3 ) 3 (Purchased from Hubei Limeida Silicon and Fluorine Technology Co., Ltd., grade LMD-26M), 0.72 parts by weight of silica filler (nano silica powder, purchased from the US GE company, RNS-E, average particle size 20nm), 2.4 Parts by weight (based on solids) of water-soluble film-forming resin (water-soluble silicon-acrylic film-forming resin (Qingdao Xingguo Coating Company TC-05 silicon-acrylic emulsion, solid content is 48% by weight)) and 28 parts by weight of water, in Mix at a stirring speed of 1500 revolutions per minute until uniform, to obtain the metal protective coating of this embodiment.

Embodiment 2

[0036] 1 part by weight of water-soluble silicate (potassium silicate, purchased from Baoding Runfeng Industrial Co., Ltd.), 1.4 parts by weight of (CH 3 O) 3 Si(CH 2 ) 2 Si(OCH 3 ) 3 (Purchased from Hubei Limeida Silicon and Fluorine Technology Co., Ltd., grade LMD-26M), 0.6 parts by weight of silica filler (nano-silica, purchased from American GE Company, RNS-E, average particle size 20nm), 2.1 weight Parts (based on solids) of water-soluble film-forming resin (water-soluble acrylic film-forming resin (purchased from Guangzhou Oupeng Chemical’s acrylic resin under the brand name A-3418)) and 25 parts by weight of water at 1500 revolutions per minute Mix until uniform at a stirring speed to obtain the metal protective coating of this embodiment.

Embodiment 3

[0038] 1 part by weight of water-soluble silicate (sodium silicate, purchased from Baoding Runfeng Industrial Co., Ltd.), 1.8 parts by weight of (CH 3 O) 3 Si(CH 2 ) 2 Si(OCH 3 ) 3 (Purchased from Hubei Limeida Silicon and Fluorine Technology Co., Ltd., brand LMD-26M), 0.85 parts by weight of silica filler (30% by weight 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, grade 812 polyurethane resin)) and 40 parts by weight of water were mixed at a stirring speed of 1500 rpm until uniformity was obtained. Examples of metal protective coatings.

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PUM

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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, water-soluble film-forming resin, (CH3O)3Si(CH2)2Si(OCH3)3 and water. 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 use 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 coating is applied to 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 liquid, which also belongs to a metal protective coating, characterized in that the passivation liquid is an aqueous solution containing water-soluble molybdenum compounds, boric acid, water-soluble organic matter and silica sol, wherein the water-soluble Sexual organics are mixtures of alcohols and organic carboxylic acids....

Claims

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Application Information

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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
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