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High temperature-resistant fireproof coating and preparation method thereof

A fire-resistant coating and high-temperature-resistant technology, applied in fire-resistant coatings, anti-corrosion coatings, coatings, etc., can solve the problems of poor mechanical properties and processing properties, corrosion of fire-resistant coatings to substrates, poor adhesion, etc., and achieve stable coating performance. Long fire time and strong adhesion

Active Publication Date: 2019-01-18
苏东新材料(江苏)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of corroding substrates, environmental pollution, poor adhesion, brittle coating film, poor mechanical properties and processing performance in the fire-proof coatings in the prior art, and propose a high-temperature-resistant fire-proof coating and its preparation method

Method used

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  • High temperature-resistant fireproof coating and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0030] A high-temperature-resistant fireproof coating proposed by the present invention comprises the following raw materials in parts by weight: 60 parts of composite base material resin, 18 parts of flame-retardant amino resin, 10 parts of polyvinyl acetate emulsion adhesive, 5 parts of titanium dioxide, and 5 parts of expanded vermiculite 4 parts of sodium tripolyphosphate, 2 parts of flame retardant synergist, 3 parts of butyl octadecenoate, 2 parts of additives;

[0031] Described flame-retardant amino resin is made by following method:

[0032] S1. Dissolve 3 parts by weight of urea in 35 parts by weight of deionized water, ultrasonically dissolve it fully, add 8 parts by weight of pentaerythritol, and stir at room temperature to form a solution I;

[0033] S2. Add 30 parts of melamine into solution I. After heating up to 90°C, add 10 parts by weight of magnesium hydroxide while stirring. After stirring evenly, cool down to 70°C, let stand for 1 hour, filter and dry to o...

Embodiment 2

[0046] A high-temperature-resistant fireproof coating proposed by the present invention includes the following raw materials in parts by weight: 70 parts of composite base material resin, 22 parts of flame-retardant amino resin, 13 parts of polyvinyl acetate emulsion adhesive, 7 parts of titanium dioxide, and 7 parts of expanded vermiculite 7.5 parts of sodium tripolyphosphate, 2.5 parts of flame retardant synergist, 5 parts of butyl octadecenoate, 3.5 parts of additives;

[0047] Described flame-retardant amino resin is made by following method:

[0048] S1. Dissolve 5 parts by weight of urea in 40 parts by weight of deionized water, ultrasonically dissolve it fully, add 12 parts by weight of pentaerythritol, and stir at room temperature to form a solution I;

[0049] S2. Add 35 parts of melamine into solution I. After heating up to 100°C, add 13 parts by weight of magnesium hydroxide while stirring. After stirring evenly, cool down to 78°C, let stand for 1.5h, and then filte...

Embodiment 3

[0062] A high-temperature-resistant fireproof coating proposed by the present invention comprises the following raw materials in parts by weight: 80 parts of composite base material resin, 25 parts of flame-retardant amino resin, 15 parts of polyvinyl acetate emulsion adhesive, 10 parts of titanium dioxide, and 10 parts of expanded vermiculite 12 parts, 12 parts of sodium tripolyphosphate, 3 parts of flame retardant synergist, 8 parts of butyl octadecenoate, 5 parts of additives;

[0063] Described flame-retardant amino resin is made by following method:

[0064] S1. Dissolve 8 parts by weight of urea in 45 parts by weight of deionized water, ultrasonically dissolve it fully, add 15 parts by weight of pentaerythritol, and stir at room temperature to form a solution I;

[0065] S2. Add 40 parts of melamine into solution I, heat up to 110°C, add 16 parts by weight of magnesium hydroxide while stirring, after stirring evenly, cool down to 85°C, let it stand for 2 hours, filter an...

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Abstract

The invention belongs to the technical field of fireproof coatings, in particular to a high temperature-resistant fireproof coating and a preparation method thereof and aims to solve the problems of substrate corrosion, environmental pollution, poor adhesion, coating film brittleness and poor mechanical performance and processing performance of the fireproof coatings in the prior art. The high temperature-resistant fireproof coating contains the following raw materials: composite base resin, flame-retardant amino resin, polyvinyl acetate emulsion adhesive, titanium dioxide, expanded vermiculite, sodium tripolyphosphate, flame-retardant synergist, butyl 9-octadecenoate and auxiliaries. The fireproof coating prepared by the invention has the beneficial effects that the fireproof performanceand the flame-retardant performance are remarkable, the fireproof time is long, the fire-resistant time is longer than 2 hours when the thickness of the coating film is 12-14mm, which exceeds the requirement of national standard of resisting fire by 2 hours when the thickness of the film is 20mm; and the coating film is stable in performance, good in elasticity, excellent in water resistance, oilresistance, weather resistance, corrosion resistance, friction resistance and the like and strong in adhesion and can be widely applied to fire protection of various substrates.

Description

technical field [0001] The invention relates to the technical field of fireproof coatings, in particular to a high-temperature-resistant fireproof coating and a preparation method thereof. Background technique [0002] With the rapid development of my country's national economy, the construction industry, as a pillar industry of the national economy, is naturally advancing by leaps and bounds, and the construction of high-rise buildings is increasing day by day. Steel is mostly used as the frame support material for modern high-rise buildings. The steel structure system has comprehensive advantages such as high strength, light weight, stable performance, good toughness, easy installation, short construction period, good seismic performance, less environmental pollution, and suitable for mass production. . However, the thermal conductivity of steel at room temperature is as high as 58.2W / (m.K), and the thermal conductivity will be higher when the temperature rises or encount...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/06C09D4/02C09D5/18C09D5/08
CPCC09D4/06C09D5/08C09D5/18
Inventor 张华董玉洋王士林张国辉
Owner 苏东新材料(江苏)有限公司
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