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

A metal protective coating and hot-dip metal technology, applied in the field 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.

Inactive Publication Date: 2014-01-15
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
  • Metal protective paint and application thereof, and hot-dip metal material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] 1 part by weight of water-soluble silicate (sodium silicate, purchased from Baoding Runfeng Industrial Co., Ltd.), 1.6 parts by weight of chloropropylsilane coupling agent (Cl(CH 2 ) 3 Si(OCH 3 ) 3 (Purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-231, Cl(CH 2 ) 3 Si(OCH 2 CH 3 ) 3 (purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-230) and Cl(CH 2 ) 3 SiCH 3 (OCH 3 ) 2 (purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-221) obtained by mixing equal weights), 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), 2.4 parts by weight (calculated as solid) of water-soluble film-forming resin (water-soluble silicone acrylic film-forming resin (Silomer 8861 emulsion (purchased from Richdale Special Chemicals Inc., Ruide Special Chemical Company, solid content is 43 % by weight))) and 28 parts by weight of water were...

Embodiment 2

[0056] 1 part by weight of water-soluble silicate (potassium silicate, purchased from Baoding Runfeng Industrial Co., Ltd.), 1.4 parts by weight of chloropropylsilane coupling agent (Cl(CH 2 ) 3 Si(OCH 3 ) 3 (Purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-231, Cl(CH 2 ) 3 Si(OCH 2 CH 3 ) 3 (purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-230) and Cl(CH 2 ) 3 SiCH 3 (OCH 3 ) 2 (purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-221) mixed according to the weight ratio of 1:0.5:2), 0.6 parts by weight of silica filler (nano-silica, purchased from GE Corporation of the United States , RNS-E, average particle size 20nm), 2.1 parts by weight (solid basis) of water-soluble film-forming resin (water-soluble silicone acrylic film-forming resin (Silomer 8861 emulsion (purchased from Richdale Special Chemicals Inc., Ruide Special Chemicals) company, with a solid content of 43% by weight))) and 25 parts by weight...

Embodiment 3

[0058] 1 part by weight of water-soluble silicate (sodium silicate, purchased from Baoding Runfeng Industrial Co., Ltd.), 1.8 parts by weight of chloropropylsilane coupling agent (Cl(CH 2 ) 3 Si(OCH 3 ) 3(Purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-231, Cl(CH 2 ) 3 Si(OCH 2 CH 3 ) 3 (purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-230) and Cl(CH 2 ) 3 SiCH 3 (OCH 3 ) 2 (purchased from Hubei Debang Chemical New Material Co., Ltd., brand DB-221) mixed according to the weight ratio of 1:2:0.5), 0.85 parts by weight of silica filler (30% by weight of silica sol, the amount used is Solids), 2.7 parts by weight (in solids) of water-soluble film-forming resin (water-soluble silicone acrylic film-forming resin (Silomer 8861 emulsion (purchased from Richdale Special Chemicals Inc., Ruide special chemical company, solid content is 43 weight %)))) and 40 parts by weight of water were mixed until uniform at a stirring speed of 15...

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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, chloropropyl silane coupling agent and water. The invention also provides 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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IPC IPC(8): C09D167/00C09D125/14C09D163/00C09D175/04C09D133/04C09D133/00C09D127/12C09D5/08C09D7/12B32B15/08
Inventor 许哲锋
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP