Intumescent fireproof paint and preparation method thereof

A kind of technology of fireproof coating and expansion type, applied in the direction of fireproof coating, coating, etc., can solve the problems of poor storage stability, non-dense carbon layer, poor water resistance, etc., and achieve the effect of stable storage, high density strength and good adhesion

Inactive Publication Date: 2019-06-25
上海中南建筑材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional charring agents, foaming agents, and dehydrating agents are easy to absorb water and even dissolve in water. Therefore, problems such as poor storage stability, roughness, unstable viscosity, and poor water resistance are prone to occur in applications. Not dense, easy to shrink and crack, there are cavities

Method used

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  • Intumescent fireproof paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Calculated in parts by weight, the intumescent fireproof coating includes 30 parts of water, 16 parts of emulsion, 7 parts of pigment, 5 parts of isodecyl diphenyl phosphate, 41 parts of intumescent flame retardant, 0.6 part of dispersant, defoamer 0.5 parts, 0.5 parts of thickener, 0.3 parts of pH regulator, 0.2 parts of bactericide, and 0.5 parts of film-forming aid; wherein the intumescent flame retardant consists of: 12 parts of pentaerythritol, 16 parts of ammonium polyphosphate, and 13 parts of melamine;

[0036] The emulsion is compounded with vinegar-acrylic emulsion and partial chloride emulsion in a ratio of 4:1; the pigment is rutile titanium dioxide; the dispersant sodium pyrophosphate; the defoamer is tributyl phosphate; The thickener is a combination of hydrophobically modified alkali-swellable thickener, cellulose, and attapulgite, the ratio is: 2:0.8:1, the film-forming aid is lauryl alcohol ester; the pH regulator is ammonia water , the fungicide is 2-met...

Embodiment 2

[0040] Calculated in parts by weight, the intumescent fire retardant coating includes 30 parts of water, 16 parts of emulsion, 7 parts of pigment, 8 parts of isodecyl diphenyl phosphate, 38 parts of intumescent flame retardant, 0.6 part of dispersant, defoamer 0.5 parts, 0.2 parts of thickener, 0.3 parts of pH regulator, 0.2 parts of bactericide, and 0.5 parts of film-forming aid; wherein the intumescent flame retardant consists of: 11 parts of pentaerythritol, 15 parts of ammonium polyphosphate, and 12 parts of melamine;

[0041] The emulsion is compounded with vinegar-acrylic emulsion and partial chloride emulsion in a ratio of 4:1; the pigment is rutile titanium dioxide; the dispersant sodium pyrophosphate; the defoamer is tributyl phosphate; The thickener is a combination of hydrophobically modified alkali-swellable thickener, cellulose, and attapulgite, and the ratio is: 2:0.8:1. The film-forming aid is lauryl alcohol ester; the pH regulator is ammonia water. The fungicid...

Embodiment 3

[0044] Calculated in parts by weight, the intumescent fireproof coating includes 30 parts of water, 16 parts of emulsion, 7 parts of pigment, 6 parts of isodecyl diphenyl phosphate, 42 parts of intumescent flame retardant, 0.6 part of dispersant, defoamer 0.5 parts, 0.2 parts of thickener, 0.3 parts of pH regulator, 0.2 parts of bactericide, and 0.5 parts of film-forming aid; wherein the intumescent flame retardant consists of: 13 parts of pentaerythritol, 16 parts of ammonium polyphosphate, and 13 parts of melamine;

[0045] The emulsion is compounded with vinegar-acrylic emulsion and partial chloride emulsion in a ratio of 4:1; the pigment is rutile titanium dioxide; the dispersant sodium pyrophosphate; the defoamer is tributyl phosphate; The thickener is a combination of hydrophobically modified alkali-swellable thickener, cellulose, and attapulgite, and the ratio is: 2:0.8:1. The film-forming aid is lauryl alcohol ester; the pH regulator is ammonia water. The fungicide is ...

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Abstract

The invention provides an intumescent fireproof paint, which at least comprises the following components by weight: 20-50 parts of water, 5-30 parts of an emulsion, 3-20 parts of a pigment, 3-10 partsof isodecyl diphenyl phosphate, 20-60 parts of a composite intumescent flame retardant, 0.1-1 part of a dispersant, 0.1-1 part of a defoamer, 0.1-1 part of a thickener, 0.1-0.4 part of a pH regulator, 0-0.5 part of a bactericide, and 0-2 parts of a film-forming assistant. Through the synergistic effect of all the components, the obtained intumescent fireproof paint has the performance of environmental protection, decorativeness, color adjustability, dense and high density carbon layer, good adhesion and storage stability.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to an intumescent fireproof coating and a preparation method thereof. Background technique [0002] Fire retardant coatings, also known as flame retardant coatings, refer to a class of coatings that are coated on the surface of materials and have the characteristics of preventing substrates from burning, isolating fire sources, and delaying material structure damage. They are often used in wood products. Among them, intumescent fire retardant coating is one of them. [0003] Intumescent fire retardant coatings are roughly composed of the following components: emulsion, pigments and fillers, intumescent flame retardants, additives, etc. Among them, the intumescent flame retardants that play a key role in fire prevention are mainly composed of charring agents, foaming agents, Composed of dehydrating agent, the carbon forming agent is a natural or synthetic compound with polyhydrox...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D131/04C09D127/06C09D5/18C09D7/63C09D7/61
Inventor 徐金枝
Owner 上海中南建筑材料有限公司
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