Fireproof coating

A technology of fire-retardant coating and ammonium polyphosphate, applied in the field of coating, can solve the problems of complicated construction, affecting the appearance and high cost, and achieve the effect of good adhesion and improved fire-proof effect.

Inactive Publication Date: 2014-07-16
娄志
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the construction is often more complicate...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A kind of fireproof coating, carries out proportioning according to following formula, by weight parts:

[0018] 20 parts of dicyandiamide, 20 parts of silicate, 15 parts of pentaerythritol, 12 parts of titanium dioxide, 8 parts of chlorinated paraffin, 8 parts of ammonium polyphosphate, and 17 parts of acrylic emulsion.

[0019] The degree of polymerization of the ammonium polyphosphate is 1000-1200. The particle size of the titanium dioxide is 480 mesh, and the above-mentioned components are mixed uniformly at 65°C.

Embodiment 2

[0021] A kind of fireproof coating, carries out proportioning according to following formula, by weight parts:

[0022] 25 parts of dicyandiamide, 21 parts of silicate, 10 parts of pentaerythritol, 12 parts of titanium dioxide, 7 parts of chlorinated paraffin, 5 parts of ammonium polyphosphate, 20 parts of acrylic emulsion.

[0023] The degree of polymerization of the ammonium polyphosphate is 1000-1200. The particle size of the titanium dioxide is 480 mesh, and the above-mentioned components are mixed uniformly at 60°C.

Embodiment 3

[0025] A kind of fireproof coating, carries out proportioning according to following formula, by weight parts:

[0026] 22 parts of dicyandiamide, 18 parts of silicate, 15 parts of pentaerythritol, 15 parts of titanium dioxide, 8 parts of chlorinated paraffin, 7 parts of ammonium polyphosphate, and 15 parts of acrylic emulsion.

[0027] The degree of polymerization of the ammonium polyphosphate is 1000-1200. The particle size of the titanium dioxide is 480 mesh, and the above-mentioned components are mixed uniformly at 75°C.

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Abstract

The invention relates to a fireproof coating. The fireproof coating is composed of, by weight, 15-25 parts of dicyandiamide, 15-30 parts of silicate, 10-18 parts of pentaerythritol, 8-15 parts of titanium dioxide, 7-10 parts of chlorcosane, 6-8 parts of ammonium polyphosphate, 15-20 parts of acrylic emulsion and the balance auxiliaries. The fireproof coating is free of poison and irritation; when the surface of steel is coated with the fireproof coating, the caking property is good and the coated steel is attractive and good in flame retardant efficiency.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a fireproof coating for steel structures. Background technique [0002] With the rapid development of my country's economic construction, a large number of steel structure buildings appear in public buildings, commercial buildings and other high-rise buildings and industrial plants. Steel has good tensile strength, but as the temperature rises, especially when the temperature reaches 400-600°C, its strength drops almost linearly, and when the temperature reaches above 600°C, the steel almost loses its bearing capacity. Therefore, it is very important to take effective protection measures for the steel structure so that it can avoid the direct burning of high-temperature flames in the event of an accident, delay the collapse time, and provide precious time for fire rescue. At present, countries around the world have adopted a variety of methods for fire protection of steel structures, mai...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D7/12C09D5/18
Inventor 娄志
Owner 娄志
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