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Multifunctional ultra-thin steel structure fireproof anticorrosive waterborne coating and construction method thereof

A technology of water-based coatings and steel structures, applied in anti-corrosion coatings, fire-resistant coatings, coatings, etc., can solve the problem that steel structures cannot withstand the catastrophic consequences of fire and collapse, and achieve the effect of excellent bond strength

Active Publication Date: 2019-02-22
UNION FOSHAN CHEM +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] According to the data, the fire resistance limit of the exposed steel structure is less than 0.25h in the high temperature fire sinking, so the steel structure cannot withstand the catastrophic consequences of the collapse caused by the fire

Method used

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  • Multifunctional ultra-thin steel structure fireproof anticorrosive waterborne coating and construction method thereof
  • Multifunctional ultra-thin steel structure fireproof anticorrosive waterborne coating and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A multifunctional ultra-thin steel structure fireproof and anticorrosion water-based coating, which consists of: 30.0 parts of polyether ether ketone modified acrylic water-based resin A, 0.2 parts of wetting agent, 1.5 parts of dispersing agent, ammonium polyphosphate 24.5 parts, 8.5 parts of melamine, 8.0 parts of pentaerythritol, 3.0 parts of titanium dioxide, 4.0 parts of aluminum tripolyphosphate, 3.0 parts of kaolin, 1.0 parts of anti-flash rust agent, 0.1 parts of defoaming agent, 0.2 parts of pH regulator, 2.0 parts of propylene glycol methyl ether parts, 0.5 parts of anti-settling agent, and 13.5 parts of deionized water.

[0039] Wherein, the polyetheretherketone-modified acrylic water-based resin A is described in Example 4 of the invention patent "An ATRP-synthesized polyetheretherketone-modified acrylic water-based resin".

Embodiment 2

[0041] A multifunctional ultra-thin steel structure fireproof and anticorrosion water-based coating, which consists of: 32.0 parts of polyether ether ketone modified acrylic water-based resin B, 0.2 parts of wetting agent, 2.0 parts of dispersant, 25.0 parts of ammonium polyphosphate 9.0 parts of dicyandiamide, 7.5 parts of dipentaerythritol, 3.0 parts of titanium dioxide, 3.0 parts of aluminum tripolyphosphate, 3.0 parts of talc powder, 2.0 parts of zinc phosphate, 0.1 parts of defoamer, 0.2 parts of pH regulator, propylene glycol methyl ether 2.0 parts, 0.5 parts of anti-settling agent, 10.5 parts of deionized water.

[0042] Wherein, the polyetheretherketone-modified acrylic water-based resin B is described in Example 5 of the invention patent "An ATRP-synthesized polyetheretherketone-modified acrylic water-based resin".

Embodiment 3

[0044] A multifunctional ultra-thin steel structure fireproof and anticorrosion water-based coating, which consists of: 28.0 parts of polyether ether ketone modified acrylic water-based resin C, 0.2 parts of wetting agent, 1.6 parts of dispersant, 25.0 parts of ammonium polyphosphate 8.0 parts of melamine, 8.0 parts of sucrose, 3.0 parts of titanium dioxide, 4.0 parts of aluminum tripolyphosphate, 3.0 parts of talcum powder, 2.0 parts of zinc oxide, 0.1 parts of defoamer, 0.2 parts of pH regulator, 2.0 parts of propylene glycol methyl ether, 0.5 parts of anti-settling agent, 14.4 parts of deionized water.

[0045] Wherein, the polyetheretherketone-modified acrylic water-based resin C is described in Example 6 of the invention patent "An ATRP-synthesized polyetheretherketone-modified acrylic water-based resin".

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Abstract

The invention relates to a multifunctional ultra-thin steel structure fireproof anticorrosive waterborne coating which is composed of a polyether-ether-ketone modified acrylic water-based resin, an expansion catalyst, a foaming agent, a char forming agent, titanium dioxide, anti-rust pigments, pigments and fillers, additives and water, wherein the mass ratio of the expansion catalyst to the foaming agent to the char forming agent is 3:(1-1.2):(0.9-1); the polyether-ether-ketone modified acrylic water-based resin is synthesized by carrying out an ATRP (Atom Transfer Radical Polymerization) reaction on reactive acrylic modified polyether-ether-ketone. The multifunctional ultra-thin steel structure fireproof anticorrosive waterborne coating prepared by the invention has excellent bonding strength, corrosion resistance, wear resistance, water vapor resistance, salt fog resistance, ageing resistance, fireproof flame retardant property and mechanical property, and exceeds technical requirements specified in national standard GB14907-2002 Fire-resistant Coating for Steel Structure; and the coating disclosed by the invention is widely applied to fire and corrosion resistance of steel structures in buildings, chemical industry, petroleum, power, metallurgy, ships, traffic, spaceflight and the like.

Description

technical field [0001] The invention relates to a water-based fireproof coating, in particular to a polyether ether ketone modified acrylic ultra-thin steel structure fireproof and anti-corrosion water-based coating, which belongs to the technical field of water-based functional coatings. Background technique [0002] Due to the advantages of light weight, high strength, good plasticity and toughness (good for earthquake resistance), short construction period, high degree of mechanization, little damage to the environment, flexible and diverse building forms, and application to different climatic conditions, architectural steel structures have become more and more popular in many countries. Especially in high-rise buildings, long-span structures and light-weight structures, it has been increasingly widely used. As a country with a large steel output, China, with the needs of national economic construction and development, steel structure, as an ideal building structure, will...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D161/16C09D5/18C09D5/08C09D7/61C09D7/63
CPCC08K2003/2241C08K2003/323C08K2003/327C08L2201/02C09D5/08C09D5/18C09D7/61C09D7/63C09D133/04C08L61/16C08K13/02C08K3/32C08K3/34C08K3/22
Inventor 谢义鹏
Owner UNION FOSHAN CHEM
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