Ultra-thin steel structure fireproof coating

A technology of fire-resistant coatings and steel structures, applied in fire-resistant coatings, coatings, etc., can solve problems such as short protection time, decrease in tensile and elastic modulus, corrosion of steel structures, etc., and achieve the effect of increasing fire protection time

Inactive Publication Date: 2014-01-15
WUXI YANGGONG MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a building material, steel itself has some unavoidable defects in fire protection. Its mechanical properties, such as yield point, tensile strength and elastic modulus, will drop sharply due to the increase of temperature.
However, most of the existing fireproof coatings have defects such as short protection time and corrosion to steel structures.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] An ultra-thin fireproof coating for steel structures, including the following components: base material 60-75kg, flame retardant 10-15kg, pigment and filler 2-5kg, solvent 3-5kg, thinner 2-4kg, defoamer 0.5kg -1kg. The base material is silicone-modified styrene-acrylic emulsion, the flame retardant is phosphate melamine salt, the pigment and filler is titanium dioxide, the solvent is paraffin, the diluent is mineral spirits, and the disinfectant is The foaming agent is organosiloxane.

Embodiment 2

[0011] An ultra-thin fireproof coating for steel structures, including the following components: base material 60-75kg, flame retardant 10-15kg, pigment and filler 2-5kg, solvent 3-5kg, thinner 2-4kg, defoamer 0.5kg -1kg. The base material is high chlorinated polyethylene, the flame retardant is ammonium polyphosphate, the pigment and filler is silica powder, the solvent is paraffin, the diluent is mineral spirits, and the defoamer is silicone oil .

Embodiment 3

[0013] An ultra-thin fireproof coating for steel structures, including the following components: base material 70kg, flame retardant 12kg, pigment and filler 3kg, solvent 4kg, thinner 3kg, defoamer 0.8kg. The base material is acrylic resin, the flame retardant is ammonium polyphosphate, the pigment and filler is attapulgite powder, the solvent is paraffin, the diluent is solvent naphtha, and the defoamer is mineral oil.

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PUM

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Abstract

The invention discloses an ultra-thin steel structure fireproof coating which comprises the following material components in parts by weight: 60 to 75 parts of a base material, 10 to 15 parts of a fire retardant, 2 to 5 parts of a pigment filler, 3 to 5 parts of a solvent, 2 to 4 parts of a thinner, and 0.5 to 1 part of a defoamer. The ultra-thin steel structure fireproof coating has the benefits that the coating can effectively prolong the fireproof time, can not corrode steel structures as the selected material basically adopts neutral substances, and can not affect the stability of the steel structures at the same time, and a plant experiment shows that the fireproof time can be increased by 2 to 3 times and the corrosion rate is reduced by 85 percent.

Description

technical field [0001] The invention relates to the field of steel structure protection, in particular to an ultra-thin fireproof coating for steel structures. Background technique [0002] The main function of ultra-thin steel structure fireproof coating is to expand and foam when exposed to fire, forming a spongy carbonized layer, preventing heat transfer to the substrate, and protecting the steel structure substrate from softening and collapsing within a certain period of time. As a building material, steel itself has some unavoidable defects in fire protection. Its mechanical properties, such as yield point, tensile strength and modulus of elasticity, will drop sharply due to the increase of temperature. However, most of the existing fireproof coatings have defects such as short protection time and corrosion to steel structures. Contents of the invention [0003] The purpose of the present invention is to provide an ultra-thin fireproof coating for steel structures th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D123/28C09D133/00C09D5/18C09D7/12
Inventor 杨龙兴
Owner WUXI YANGGONG MACHINERY MFG
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