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Fire-resistant paint

A fire-resistant coating, isopropyl acrylamide technology, applied in fire-resistant coatings, polyurea/polyurethane coatings, coatings, etc., can solve problems such as use restrictions, achieve good dispersion and compatibility, improve flame-retardant effects, The effect of easy access to raw materials

Active Publication Date: 2015-11-11
SHANGHAI TOB INTELLIGENT DOORS & WINDOWS SCI&TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The use of traditional solvent-based coatings is increasingly restricted due to their high levels of volatile organic compounds (VOCs) and harmful air pollutants

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A kind of fireproof coating includes: polyurethane acrylate: 16%, poly(N-isopropylacrylamide) modified magnesium hydroxide: 24%, urea: 3%, anionic surfactant: 5%, auxiliary agent: 4.2% , titanium dioxide: 3.3%, borax: 4.7%, water: 39.8%.

[0018] According to GB14907-2002, the fire resistance performance of the fire retardant coating prepared by using the above formula was tested for 18 minutes.

Embodiment 2

[0020] A kind of fireproof coating includes: polyurethane acrylate: 12%, poly(N-isopropylacrylamide) modified magnesium hydroxide: 25%, urea: 3.6%, anionic surfactant: 8%, auxiliary agent: 5.4% , titanium dioxide: 3.9%, borax: 4.2%, water: 37.9%.

[0021] According to GB14907-2002, the fire resistance performance of the fire retardant coating prepared by using the above formula was tested for 16 minutes.

[0022] A fireproof coating, characterized in that the fireproof coating comprises: polyurethane acrylate: 12-20%, poly(N-isopropylacrylamide) modified magnesium hydroxide: 16-25%, urea: 1.2-3.6% %, anionic surfactant: 0-8.5%, auxiliary agent: 2.8-6%, titanium dioxide: 2.2-4.6%, borax: 3.5-5%, water: 30-45%.

Embodiment 3

[0024] A kind of fireproof coating comprises: polyurethane acrylate: 20%, poly(N-isopropylacrylamide) modified magnesium hydroxide: 16%, urea: 1.8%, anionic surfactant: 5.7%, auxiliary agent: 4.9% , titanium dioxide: 2.8%, borax: 4.2%, water: 44.6%.

[0025] According to GB14907-2002, the fire resistance performance of the fire retardant coating prepared by using the above formula was tested for 15 minutes.

[0026] Other performance results of the coating of embodiment one:

[0027] Test items

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PUM

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Abstract

The invention provides a fire-resistant paint which is characterized by comprising 12-20% of polyurethane acrylate, 16-25% of poly(N-isopropylacrylamide) modified magnesium hydroxide, 1.2-3.6% of urea, 0-8.5% of anionic surfactant, 2.8-6% of assistant, 2.2-4.6% of titanium white, 3.5-5% of borax and 30-45% of water. The fire-resistant paint has the advantages of favorable flame-retardant effect, environment friendliness and low toxicity.

Description

technical field [0001] The invention relates to a fireproof coating. Background technique [0002] Fireproof coating is a special coating used on the surface of flammable substrates, which can reduce the flammability of the surface of the coated material, retard the rapid spread of fire, and improve the fire resistance limit of the coated material. The flame retardant mechanism of fire retardant coatings using magnesium hydroxide as a flame retardant is: (1): magnesium hydroxide acts as a flame retardant filler, which has a diluting effect on the polymer matrix; (2): the decomposition reaction of magnesium hydroxide It is an endothermic reaction and releases a large amount of water; (3): The water vapor generated by the reaction dilutes the concentration of combustible gas and oxygen, making the combustion reaction more difficult; (4): When magnesium hydroxide reacts with certain polymerizations, It can be catalyzed to form carbon charcoal; (5): The magnesium oxide produced...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D5/18
Inventor 王觉明
Owner SHANGHAI TOB INTELLIGENT DOORS & WINDOWS SCI&TECH INC
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