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Expanded transparent fire-retardant paint

A fire retardant coating and intumescent technology, applied in the direction of fire retardant coatings, coatings, etc., can solve the problems of opacity, short fire resistance time and high toxicity of fire retardant coatings, and achieve the effect of excellent fire resistance and good expansion and thermal insulation performance.

Inactive Publication Date: 2014-03-12
江苏博思源防火材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application aims at the technical problems of opacity, high toxicity and short fire-resistant time of existing fireproof coatings, and provides an intumescent transparent fireproof coating

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] An intumescent transparent fireproof coating, its composition expressed in parts by mass is: 50 parts of formaldehyde; 20 parts of urea; 15 parts of dicyandiamide; 30 parts of isopropanol; 15 parts of titanium dioxide; 5 parts of formic acid; 1 part of antimony; 5 parts of pentaerythritol; 2 parts of chlorinated paraffin; 4 parts of sodium hydroxide; 1 part of phosphoric acid; 30 parts of phosphorus oxychloride; 25 parts of chloroethanol; 10 parts of distilled water.

[0014] When the coating film thickness is 0.5mm, the fire resistance time is 140min; the expansion layer height reaches 2cm.

Embodiment 2

[0016] An intumescent transparent fireproof coating, its composition expressed in parts by mass is: 55 parts of formaldehyde; 30 parts of urea; 25 parts of dicyandiamide; 35 parts of isopropanol; 25 parts of titanium dioxide; 10 parts of formic acid; 5 parts of antimony; 10 parts of pentaerythritol; 5 parts of chlorinated paraffin; 8 parts of sodium hydroxide; 5 parts of phosphoric acid; 40 parts of phosphorus oxychloride; 30 parts of chloroethanol; 15 parts of distilled water.

[0017] When the coating film thickness is 1mm, the fire resistance time is 145min; the height of the expansion layer reaches 2.3cm.

Embodiment 3

[0019] An intumescent transparent fireproof coating, characterized in that: its composition expressed in parts by mass is: 52.5 parts of formaldehyde; 25 parts of urea; 20 parts of dicyandiamide; 32.5 parts of isopropanol; 20 parts of titanium dioxide; 3 parts of antimony trioxide; 7.5 parts of pentaerythritol; 3.5 parts of chlorinated paraffin; 6 parts of sodium hydroxide; 3 parts of phosphoric acid; 35 parts of phosphorus oxychloride;

[0020] When the coating film thickness is 1.5mm, the fire resistance time is 150min; the expansion layer height reaches 2.5cm.

[0021] All components in the above examples are commercially available.

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Abstract

The invention relates to an expanded transparent fire-retardant paint which is composed of the following components in parts by mass: 50-55 parts of formaldehyde, 20-30 parts of urea, 15-25 parts of dicyandiamide, 30-35 parts of isopropanol, 15-25 parts of titanium white, 5-10 parts of formic acid, 1-5 parts of flame retardant, 5-10 parts of pentaerythritol, 2-5 parts of chlorinated paraffin, 4-8 parts of sodium hydroxide, 1-5 parts of phosphoric acid, 30-40 parts of phosphorus oxychloride, 25-30 parts of chloroethanol and 10-15 parts of distilled water. The fire-retardant time of the coated film of the product is 140-150 minutes when the thickness is 0.5-1.5 mm; the product has better expanded heat-insulating property at high temperature, and the height of the expansion layer is up to 2-2.5cm; the product is transparent, has the advantages of low toxicity and favorable decorative property, and is easy for construction; and the product has excellent fire retardancy (reaching Level 1 in national standard), and can be widely produced and continuously substitute the existing material.

Description

technical field [0001] The application belongs to the field of fireproof materials, in particular to an intumescent transparent 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. It is applied to the surface of flammable substrates to change the combustion characteristics of the material surface and retard the rapid spread of fire; or applied to building components to improve the fire resistance limit of components, called fire retardant coatings. Fire retardant coating is to brush the paint on the surface of those flammable materials, which can improve the fire resistance of the material, slow down the speed of flame spread, or prevent burning within a certain period of time. This type of coating is called fire retardant coating...

Claims

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Application Information

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IPC IPC(8): C09D161/24C09D5/18C09D7/12
Inventor 石小强
Owner 江苏博思源防火材料科技有限公司
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