Fireproof and explosion-proof coating

A technology of coatings and parts by weight, which is applied in the direction of fireproof coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of restricting the application of prefabricated houses, inconvenient handling, and heavy foamed cement composite boards, etc., to achieve good Fire resistance and freeze-thaw cycle resistance, long service life, good flame retardant and anti-explosion performance

Inactive Publication Date: 2020-10-30
GRAND FACADE DECORATION ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the prefabricated house is applied to outdoor camping, the foamed cement composite board is heavy and inconvenient to carry, which limits the application of the prefabricated house outdoors.

Method used

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  • Fireproof and explosion-proof coating
  • Fireproof and explosion-proof coating
  • Fireproof and explosion-proof coating

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0023] After stirring 100g of isophorone diisocyanate and 30g of polypropylene glycol at 30°C for 1 hour, add 15g of amino-terminated polyether D2000 and 0.1g of isopropanol, and react at 30°C for 0.75 hours to obtain polyurea prepolymer.

preparation example 2

[0025] After stirring 100g of isophorone diisocyanate and 35g of polypropylene glycol at 35°C for 0.5 hours, add 12g of amino-terminated polyether D3500 and 0.5g of isopropanol, and keep warm at 35°C for 0.5 hours to obtain polyurea prepolymer.

preparation example 3

[0027] After stirring 100g of isophorone diisocyanate and 40g of polypropylene glycol at 32°C for 0.75 hours, add 10g of amino-terminated polyether D5000 and 0.3g of isopropanol, and keep warm at 32°C for 1 hour to obtain polyurea prepolymer.

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PUM

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Abstract

The invention relates to a fireproof explosion-proof coating, and belongs to the technical field of building coatings. The fireproof explosion-proof coating comprises a component A and a component B at the weight ratio of (45-51):(10-15), the component A comprises 50-60 parts of a polyurea prepolymer, 5-10 parts of polyurethane gel and 10-15 parts of fire retardant by weight, and the component B comprises 20-30 parts of a diamine chain extender, 3-8 parts of nanoparticle and 25-35 parts of a solvent by weight. The fireproof explosion-proof coating is better in fireproofness and freezing and thawing cycling resistance, so that a heat insulation board coated with the coating not only keeps the characteristics of light weight and heat insulation of the heat insulation board, but also is higher in compressive strength, better in heat-insulating property and excellent in flame retarding and explosion proofing.

Description

technical field [0001] The invention relates to the technical field of architectural coatings, more specifically, it relates to a fireproof and explosion-proof coating. Background technique [0002] Prefabricated buildings refer to buildings assembled on site with prefabricated components. The prefabricated concrete components of this type of building are mainly composed of post-cast concrete, grout anchors or superimposed methods at the connection parts. The assembled integral concrete structure has reliability. The force transmission structure and meet the bearing requirements. In urban construction, there are more and more prefabricated buildings. Assembled structural components are industrially produced, and the quality of components is easy to guarantee. The on-site construction is simple and fast, and there is less construction waste, which greatly improves the efficiency of housing construction. In the process of urbanization, prefabricated structures advantages are ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/02C09D133/26C09D5/18C08G18/12C08G18/48C08G18/50C08G18/32
CPCC08G18/12C08G18/482C08G18/5021C08L2201/02C09D5/18C09D175/02C08G18/324C08L33/26C08K5/5477
Inventor 冯华国
Owner GRAND FACADE DECORATION ENG CO LTD
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