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A coating process of fire retardant

A fire retardant and coating technology, applied in fire retardant coatings, dyed polymer organic compound treatment, coating, etc., can solve the problem of water resistance and fire insulation duration of the coating system affecting fire retardant coatings, and the reduction of fire performance of fire retardant coatings and other problems, to achieve the effect of low cost, improved fire resistance time and simple process

Active Publication Date: 2019-07-02
JIANGSU ZHAOHUI CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, fireproof materials commonly used in fireproof coatings on the market mainly include ammonium polyphosphate (APP), melamine (MEL), pentaerythritol, etc. Many of these fireproof materials have certain water solubility. If they are directly applied to water-based fireproof coating systems In the middle, it will lead to partial dissolution, which will seriously affect the water resistance and fire insulation duration of the coating system of the fire retardant coating, and reduce the fire performance of the fire retardant coating. Agent coating process is a technical problem to be solved by those skilled in the art

Method used

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  • A coating process of fire retardant
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of coating technology of fireproofing agent, this technology comprises the steps:

[0021] (1) Material preparation

[0022] In terms of parts by mass, prepare the following components: 10 parts of 58# microcrystalline paraffin wax, 12 parts of insect wax above 80#, 33 parts of thermoplastic acrylic resin, 4.5 parts of vaseline, 17 parts of vinyl acetate; 14.5 parts of ethyl acetate;

[0023] (2) Preparation of coating wax

[0024] Put the above components into the reactor and mix well, place the reactor in an oil bath, gradually raise the temperature of the material to 140°C, turn on the condensing reflux and magnetically stir for 2 hours, then tilt the condenser tube downward to evaporate and recover all the solvent, and obtain the bottle For the coated wax product, the above-mentioned coated wax is spray-dried in a liquid state to obtain a coated wax powder product;

[0025] (3) Fire retardant coating

[0026] Put the fire retardant and the above-mentioned ...

Embodiment 2

[0031] A coating process of a fireproofing agent, the process steps are the same as in Example 1, wherein, in step (1), the following components are prepared in parts by mass: 8 parts of 58# microcrystalline paraffin wax, 10 parts of paraffin wax above 80# 30 parts, 30 parts of thermoplastic acrylic resins, 3 parts of vaseline, 15 parts of vinyl acetate; 13 parts of ethyl acetate; In step (3), fireproofing agent and coating wax powder drop in the reactor by mass and number ratio 100:0.3; The detection method in step (3) is: place the sample of the coated object in a cooler to cool below 30°C, then place the coated object in distilled water at room temperature, observe the infiltration of the surface of the coated object and water, the coated object There is no refraction of dissolution in water and 80% of the volume of the coated substance floats on the water surface without sinking due to surface tension, which is qualified.

Embodiment 3

[0033] A coating process of a fireproofing agent, the process steps are the same as in Example 1, wherein, in step (1), the following components are prepared in parts by mass: 12 parts of 58# microcrystalline paraffin wax, 14 parts of paraffin wax above 80# 35 parts, 35 parts of thermoplastic acrylic resin, 6 parts of vaseline, 19 parts of vinyl acetate; 16 parts of ethyl acetate; in step (3), fire retardant and coating wax powder are put into the reactor according to the ratio of parts by mass of 100:0.1. The detection method in step (3) is: place the sample of the coated object in a cooler to cool below 30°C, then place the coated object in distilled water at room temperature, observe the infiltration of the surface of the coated object and water, the coated object There is no refraction of dissolution in water and 80% of the volume of the coated substance floats on the water surface without sinking due to surface tension, which is qualified.

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Abstract

The invention relates to the technical field of fire retardant pretreatment, and especially relates to a coating technology of a fire retardant. The technology comprises the steps of material preparation, coating wax preparation, fire retardant coating and post-treatment. The technology has the advantages of simplicity and low cost, and is suitable for coating general powdery or granular fire retardants; and the coated fire retardant obtained through the technology has good waterproof property, and has no dissolving phenomenon in an aqueous fireproof coating system, so the foaming rate of ultrathin aqueous fireproof coatings containing the coated fire retardant can reach 30 times, the fireproof period and the coating layer waterproofing performance of the coatings are effectively improved, and the coatings are suitable for being further promoted and applied.

Description

technical field [0001] The invention relates to the technical field of fireproofing agent pretreatment, in particular to a coating process of fireproofing agent. Background technique [0002] At present, fireproof materials commonly used in fireproof coatings on the market mainly include ammonium polyphosphate (APP), melamine (MEL), pentaerythritol, etc. Many of these fireproof materials have certain water solubility. If they are directly applied to water-based fireproof coating systems In the middle, it will lead to partial dissolution, which will seriously affect the water resistance and fire insulation duration of the coating system of the fire retardant coating, and reduce the fire performance of the fire retardant coating. Agent coating process is a technical problem to be solved by those skilled in the art. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a fire retardant coating process that is more conven...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D7/62C09D5/18C09C3/10C09C3/08C08L33/00C08L91/06C08L91/00C09D131/04
CPCC08L33/00C08L2201/02C08L2205/025C08L2205/035C09C3/006C09C3/08C09C3/10C09D5/18C09D7/62C09D7/70C09D131/04C08L1/284C08K13/06C08K9/10C08K2003/323C08K5/34922C08K5/053C08L91/06C08L91/00
Inventor 王宏辉苏张宝
Owner JIANGSU ZHAOHUI CHEM
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