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Ultrathin section steel structure fire-resisting paint and preparation thereof

A technology for fire-resistant coatings and steel structures, which is used in fire-resistant coatings, coatings, and devices for coating liquids on surfaces, etc. injuries, etc.

Active Publication Date: 2009-05-27
MARINE CHEM RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides an ultra-thin fireproof coating for steel structures and a preparation method thereof, which can solve the problem that solvent-based fireproof coatings cause harm to the surrounding environment and production and construction personnel, release a large amount of toxic gases during combustion, and prevent fire and heat insulation of water-based ultra-thin fireproof coatings for steel structures. Problems with unsatisfactory results

Method used

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  • Ultrathin section steel structure fire-resisting paint and preparation thereof
  • Ultrathin section steel structure fire-resisting paint and preparation thereof
  • Ultrathin section steel structure fire-resisting paint and preparation thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] 1. Preparation of acrylic bulk hybrid emulsion

[0071] (1) Monomer components: dissolve 16g of oily methyl methacrylate copolymer resin (molecular weight 40000), 3g bisphenol A type epoxy resin (molecular weight 350~400), in 4g methacrylic acid, 25g butyl acrylate And in the mixed monomer of 30g methyl methacrylate, and add the auxiliary solvent propylene glycol butyl ether 20g that increases system stability.

[0072] Initiator Components: Dissolve 0.1 g of potassium persulfate in 20 g of deionized water.

[0073] (2) Add 0.1g sodium bicarbonate, 0.5g sodium dodecylbenzenesulfonate, 3g polyoxyethylene nonylphenol ether acrylate, 10g nonylphenol ether acrylate to a four-neck flask equipped with a thermometer, agitator, and reflux condenser. Dissolve phenol polyoxyethylene ether in 120g deionized water, stir evenly, blow nitrogen for 20 minutes, add 0.5g tert-hexadecanyl mercaptan, 1g methacrylic acid, 1g hydroxyethyl acrylate, 8g butyl acrylate, 10g methyl For methyl...

Embodiment 2

[0084] 1. Preparation of acrylic bulk hybrid emulsion

[0085] (1) Monomer component: monomer component: 10g oily methyl methacrylate copolymer resin, 10g oily butyl methacrylate and acrylonitrile copolymer resin, 3g alkyd resin, 0.2g benzoyl peroxide, 0.3 primary dodecyl mercaptan was dissolved in the mixed monomer of 4g of acrylic acid, 25g of butyl acrylate and 30g of acrylonitrile, and 18g of co-solvent propylene glycol methyl ether was added to increase the stability of the system.

[0086] Initiator Components: Dissolve 0.1 g of ammonium persulfate in 20 g of deionized water.

[0087] (2) In a four-necked flask equipped with a thermometer, a stirrer, and a reflux condenser, add 0.1g sodium bicarbonate, 0.5g sodium lauryl sulfate, 3g polycondensate of succinic acid and glycidyl methacrylate , 5g of alkylphenol ethoxylates, 5g of nonylphenol ethoxylates, dissolved in 120g of deionized water, stirred evenly, passed nitrogen for 20 minutes, added 0.2 primary dodecyl mercapt...

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Abstract

The invention discloses an ultra-thin fireproof coating for a steel structure and a preparation method thereof. The coating has the characteristics of high gloss, good water resistance, strong adhesion force and so on of a solvent based ultra-thin fireproof coating, also has the advantages of water-based coatings by taking water as a medium, and satisfies the direction of developing low-pollution and environment-friendly coatings of the coating industry. The technical proposal comprises that the ultra-thin fireproof coating for the steel structure is prepared from the following components by weight portion: 10 to 35 portions of acrylic hybrid emulsion, 10 to 25 portions of dehydration and carbon-forming catalyst, 10 to 25 portions of carbon forming agent, 5 to 20 portions of foaming agent, 5 to 20 portions of flame retardant, 5 to 25 portions of pigment and filler, 3 to 10 portions of reinforcing agent, 5 to 10 portions of latent solvent, 1 to 5 portions of dispersant, 0.1 to 1 portion of foam killer, 0.2 to 2 portions of flatting agent, 0.2 to 2 portions of thickening agent, 1 to 5 portions of film forming additive, and the balance being water.

Description

technical field [0001] The invention relates to a building fireproof coating, in particular to an ultra-thin steel structure fireproof coating and a preparation method thereof. Background technique [0002] With the development of the economy, new buildings are constantly emerging. Compared with the traditional wood structure, masonry structure and reinforced concrete structure, the steel structure has high strength, strong load capacity, light weight, small space occupation, and component manufacturing. With many advantages such as convenient installation and saving wood, it is more and more widely used in construction. However, the fire resistance of steel structure buildings is poor compared with masonry structures and reinforced concrete structures. Therefore, it is necessary to protect the steel structure from fire, and the use of fire-resistant coatings is an ideal protection method. The steel structure fire retardant coating is sprayed on the surface of steel compon...

Claims

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Application Information

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IPC IPC(8): C09D151/06C09D5/18B05D7/14
Inventor 王华进赵薇王丹
Owner MARINE CHEM RES INST
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