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Fire retardant coating

A technology of fire retardant coatings and pigments, applied in the direction of fire retardant coatings, epoxy resin coatings, coatings, etc., can solve the problems of high cost, poor performance and incomplete functions of fire retardant coatings, and achieve good fire performance, durability and weather resistance. good effect of resistance to acid and alkali

Active Publication Date: 2012-07-18
蓝烟(北京)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] An object of the present invention is to provide a low cost, excellent performance and comprehensive function fire retardant coating to solve the problems of high cost and incomplete functions and poor performance of the existing fire retardant coatings mentioned above.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Based on 100kg of product, 12kg of cyanoethyl cellulose, 15kg of FEVE fluorocarbon resin, 13kg of glass beads, 20kg of pigment, 7kg of ammonium polyphosphate, 6kg of curing agent, 25kg of phenolic benzene alkane epoxy resin, and the rest are solvents. Solvent a is ethyl acetate, and solvent b is cyclohexane. The curing agent is dimethylaniline.

[0027] Step 1: Mix glass beads, pigments, ammonium polyphosphate, curing agent, and solvent a, and after stirring evenly, perform high-speed grinding to a fineness of 15-20 μm to obtain a color paste;

[0028] Step 2: Mix cyanoethyl cellulose, FEVE fluorocarbon resin, phenolic benzene alkane epoxy resin and solvent b, stir evenly, add the color paste prepared in step 1, disperse at high speed for 15-20 minutes, and filter, that is For the product of the present invention.

[0029] Product performance testing results are shown in the table below

[0030]

[0031]

Embodiment 2

[0033] The curing agent is diphenyl ethyl ketone, and the rest of the raw materials and preparation methods are as in Example 1. Except for the drying time, the product and performance are the same as in Example 1. Due to the use of light curing agent, the curing is rapid and the curing time is less than 20 seconds.

Embodiment 3-11

[0035] Prepare 100kg product according to the method described in embodiment 1, formula is as follows, curing agent is dimethyl aniline.

[0036]

[0037]

[0038] The performance index of embodiment 3-11 is as follows:

[0039] Technical project introduction:

[0040] Flame-resistant time: Under the specified substrate and specific combustion conditions, the time (min) required for the temperature of the back-fired surface of the test plate to reach 220°C or for the test plate to penetrate.

[0041] Flame spread ratio: when the flame spread ratio of the asbestos board is "0" and the flame spread ratio of the oak wood board is "100", the surface flame spread characteristic data of the tested material.

[0042] Fire retardant performance: Expressed by combustion mass loss and carbonization volume.

[0043] Mass loss: the mass difference (g) of the test piece before and after burning under the specified coating ratio and specified combustion conditions.

[0044] Carbo...

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PUM

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Abstract

The invention relates to the field of building materials, in particular to a fire retardant coating. The fire retardant coating comprises the following components in percentage by mass: 7 to 20 percent of cyanoethyl cellulose, 10 to 20 percent of fluoro ethylene-vinyl ether (FEVE) fluorocarbon resin, 10 to 15 percent of glass bead, 10 to 30 percent of pigment, 5 to 20 percent of ammonium polyphosphate, 3 to 8 percent of curing agent, 20 to 30 percent of phenol propane epoxy resin, and the balance of solvent. A product has good fireproof performance, and a wide application range, and is good in film property, and is suitable to be popularized and applied.

Description

technical field [0001] The invention relates to the field of building materials, and is a fireproof coating. Background technique [0002] With the extensive application of organic synthetic materials, their flammability has become increasingly prominent. Flame-retardant organic polymers containing halogens often lead to deterioration of physical properties of materials, shortened service life, and increased prices. The method of coating fireproof paint on its surface for fireproof protection can not only maintain the excellent performance of the original organic synthetic material, but also be economical and applicable. The application of fire retardant coatings on organic synthetic materials also has broad prospects. In addition, ordinary steel loses its structural strength when heated to about 540°C. Concrete structures are also prone to cracking and disintegration under the action of high-temperature flames. Therefore, the fire protection of steel structures and conc...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D127/12C09D101/28C09D5/18C09D7/12
Inventor 刘相敏
Owner 蓝烟(北京)科技有限公司
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