Tunnel fireproof paint and preparation method thereof

A technology for fire-resistant coatings and tunnels, applied in fire-resistant coatings, cement coatings, etc., can solve problems such as low bonding strength and thick coatings, and achieve the effects of improving fire-proof performance, low thermal conductivity, and low relative density

Inactive Publication Date: 2018-06-12
三丈信息(深圳)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a tunnel fireproof coating and its preparation method, which has the advantages of thin coating, high bonding strength, strong fire resistance, good water resistance, and environmental protection, and solves the problem of thick coating, high coating thickness and The problem of low bond strength

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] This embodiment provides a fireproof coating for tunnels, the raw materials of which include by weight: 10 parts of high alumina cement, 25 parts of Portland cement, 1 part of expanded perlite, 1 part of expanded vermiculite, 1 part of superfine powder, 1 part of air agent, 3 parts of auxiliary agent, 5 parts of acrylic emulsion, 0.04 part of defoamer, 0.2 part of preservative, 0.2 part of nonionic surfactant, 5 parts of water, and 6 parts of flame retardant. The ultrafine powder includes Calcium carbonate superfine powder and mica superfine powder with a particle size of 0.01 μm. The additives include redispersible latex and superplasticizer. The defoamer A is a general-purpose strong defoamer, and the preservative is nano Zinc borate, the nonionic surfactant is alkylphenol polyoxyethylene ether (APEO), and the flame retardant is a mixture of zinc compound, aluminum hydroxide and magnesium hydroxide.

[0024] The preparation method of this tunnel fireproof coating, con...

Embodiment 2

[0029] This embodiment provides a fireproof coating for tunnels, the raw materials of which include by weight: 11 parts of high alumina cement, 28 parts of Portland cement, 2 parts of expanded perlite, 2 parts of expanded vermiculite, 2 parts of superfine powder, 2 parts of air agent, 3.5 parts of auxiliary agent, 6 parts of acrylic emulsion, 0.04 part of defoamer, 0.25 part of preservative, 0.25 part of nonionic surfactant, 6 parts of water, and 7 parts of flame retardant. The ultrafine powder includes Calcium carbonate ultrafine powder and mica ultrafine powder with a particle size of 0.03 μm. The additives include redispersible latex and superplasticizer. The defoamer A is a general-purpose strong defoamer, and the preservative is nano Zinc borate, the nonionic surfactant is alkylphenol polyoxyethylene ether (APEO), and the flame retardant is a mixture of boride, zinc compound and aluminum hydroxide.

[0030] The preparation method of tunnel fireproof coating, concrete step...

Embodiment 3

[0035] This embodiment provides a fireproof coating for tunnels, the raw materials of which include by weight: 13 parts of high alumina cement, 30 parts of Portland cement, 3 parts of expanded perlite, 3 parts of expanded vermiculite, 3 parts of superfine powder, 3 parts of air agent, 4 parts of auxiliary agent, 7 parts of acrylic emulsion, 0.05 part of defoamer, 0.3 part of preservative, 0.3 part of nonionic surfactant, 7 parts of water, and 8 parts of flame retardant. The ultrafine powder includes Calcium carbonate superfine powder and mica superfine powder with a particle size of 0.05 μm, the additives include redispersible latex and superplasticizer, the defoamer A is a general-purpose strong defoamer, and the preservative is nano Zinc borate, the nonionic surfactant is alkylphenol polyoxyethylene ether (APEO), and the flame retardant is a mixture of zinc compound, aluminum hydroxide, and magnesium hydroxide.

[0036] The preparation method of tunnel fireproof coating, con...

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Abstract

The invention discloses tunnel fireproof paint and a preparation method thereof. The tunnel fireproof paint comprises, by weight, 10-15 parts of high-alumina cement, 25-35 parts of Portland cement, 1-5 parts of expanded perlite, 1-5 parts of expanded, 1-5 parts of ultrafine powder, 1-5 parts of and 3-5 parts of auxiliary. Calcium carbonate superfine powder and mica superfine powder of 0.01-0.1um in grain size are added, so that bonding strength and anti-scouring performance of a coating are enhanced; a combination of acrylic emusion, the high-alumina cement and the Portland cement is added forchemical reaction, so that the formed surface coating is waterproof, the combination can permeate into a substrate to form crystals to check passing of water, and double waterproof effect is realized; structure is stabilized, thickness of the coating is lowered, and the tunnel fireproof paint has the advantages of thin coating, high bonding strength, high fireproofness, high waterproofness and environment friendliness.

Description

technical field [0001] The invention relates to the technical field of tunnel fireproof coatings, in particular to a tunnel fireproof coating and a preparation method thereof. Background technique [0002] With the rapid development of the national economy, urban construction is accelerating, and the floating population is increasing rapidly, the construction and improvement of transportation is particularly important. The tunnel is favored by planners and builders for its shortest distance to achieve the goal, the least occupied area, the least damage to the natural environment and landscape, and low cost. However, the tunnel structure is generally made of stones and reinforced concrete. When the temperature rises to 600°C, the strength of the concrete loses more than 50%, and the yield stress of the steel drops to less than 1 / 3 of the yield force at room temperature. When a fire occurs in a tunnel, the temperature is generally above 1000°C. The masonry of the tunnel canno...

Claims

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Application Information

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IPC IPC(8): C09D1/08C09D5/18C09D7/61C09D7/65
Inventor 周耀华
Owner 三丈信息(深圳)有限公司
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