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Steel structure fireproof paint

A technology of fire-resistant coatings and steel structures, applied in fire-resistant coatings, anti-corrosion coatings, anti-fouling/underwater coatings, etc., to achieve good anti-corrosion and outstanding fire-proof performance

Inactive Publication Date: 2017-04-26
严志海
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] At the same time, with the continuous deterioration of the environment, the corrosion of steel structures by acid rain is becoming more and more serious. Therefore, coatings that only have fireproof properties for steel structures cannot meet the current needs of steel protection.

Method used

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  • Steel structure fireproof paint

Examples

Experimental program
Comparison scheme
Effect test

experiment example 1

[0024] Experimental example 1 A kind of steel structure fireproof coating

[0025] A fireproof coating for steel structures, which is composed of the following components in weight percentage: 14.86% of cycloaliphatic epoxy resin, 14.86% of brominated bisphenol A epoxy resin, 7.43% of methylphenyl silicone resin, and 22.29% of acrylic resin , Melamine 4%, Pentaerythritol 3%, Ammonium Polyphosphate 6%, Antimony Oxide 1%, Zinc Borate 2%, Cuprous Oxide 2.5%, Vermiculite 2.25%, Aluminum Polyphosphate 4%, Zinc Oxide 2.5%, Leveling Agent 0.75%, Acetone 17%, 1,2-Benzisothiazolin-3-one 1.5%, Butylparaben 1.5%.

[0026] The preparation method of the coating: first, cycloaliphatic epoxy resin, brominated bisphenol A type epoxy resin, methylphenyl silicone resin, acrylic resin, melamine: pentaerythritol, ammonium polyphosphate, antimony oxide, zinc borate, oxidation Cuprous, vermiculite, aluminum polyphosphate, zinc oxide are crushed, then the crushed raw materials are mixed with leveli...

Embodiment 2

[0027] Embodiment 2 A kind of steel structure fireproof coating

[0028] A fireproof coating for steel structures, which is composed of the following components by weight percentage: 10% cycloaliphatic epoxy resin, 10% brominated bisphenol A epoxy resin, 5% methylphenyl silicone resin, and 15% acrylic resin , Melamine 3%: Pentaerythritol 2%: Ammonium Polyphosphate 7%: Antimony Oxide 1%, Zinc Borate 2%, Cuprous Oxide 1%, Vermiculite 0.5%, Aluminum Polyphosphate 2%, Zinc Oxide 1%, Leveling Agent 0.5%, acetone 15%, 1,2-benzisothiazolin-3-one 1%, butylparaben 1%.

[0029] The preparation method is similar to Example 1.

Embodiment 3

[0030] Embodiment 3 A kind of steel structure fireproof coating

[0031] A fireproof coating for steel structures, which is composed of the following components by weight percentage: 15% cycloaliphatic epoxy resin, 15% brominated bisphenol A epoxy resin, 7.5% methylphenyl silicone resin, and 22.5% acrylic resin , Melamine 4.4%, Pentaerythritol 3.3%, Ammonium Polyphosphate 8.8%, Antimony Oxide 1.1%, Zinc Borate 2.2%, Cuprous Oxide 3%, Vermiculite 3%, Aluminum Polyphosphate 5%, Zinc Oxide 3%, Leveling Agent 1%, Acetone 20%, 1,2-Benzisothiazolin-3-one 5%, Butylparaben 5%.

[0032] The preparation method is similar to Example 1.

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Abstract

The invention belongs to the technical field of fireproof paint and particularly relates to steel structure fireproof paint. The steel structure fireproof paint is mainly composed of, by weight, 40-60% of compound binder resin, 15-20% of fire retardants, 1-3% of cuprous oxide, 0.5-3% of vermiculite, 2-5% of aluminum polyphosphate, 1-3% of zinc oxide, 0.5-1% of a flatting agent, 15-20% of acetone, 1-5% of 1,2-benzisothiazolin-3-one and 1-5% of butyl p-hydroxybenzoate. The steel structure fireproof paint has prominent fireproof performance and good anticorrosion and mildew-resistant performance as well.

Description

technical field [0001] The invention belongs to the technical field of fireproof coatings, and in particular relates to a fireproof coating for steel structures. Background technique [0002] Steel structure has the advantages of light weight, easy installation, short construction period, excellent seismic performance, high degree of mechanization in manufacturing and installation, and less pollution. a fatal flaw. Steel structures usually lose their bearing capacity at a temperature of 450-650°C, undergoing large deformations, causing steel columns and steel beams to bend, and as a result, cannot continue to be used due to excessive deformation. Generally, the fire resistance of steel structures without protection The limit is around 15 minutes. The length of this time is also related to the speed at which the component absorbs heat. [0003] Spraying fire-resistant coatings on the outside of steel structures to form outsourcing is a common method to achieve fire prevent...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D163/00C09D183/04C09D5/18C09D5/14C09D5/08C09D7/12
CPCC09D133/00C08L2201/02C08L2205/025C08L2205/035C09D5/08C09D5/14C09D5/18C09D7/61C09D7/63C08L63/00C08L83/04C08K13/02C08K5/34922C08K5/053C08K2003/323C08K3/2279
Inventor 严志海
Owner 严志海
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