Coating technology of fire retardant
A fire retardant and coating technology, which is applied in the direction of fire retardant coatings, fibrous fillers, coatings, etc., can solve the problems of lowering the fire performance of fire retardant coatings, affecting the water resistance of the coating system of fire retardant coatings, and the duration of fire and heat insulation. Achieve the effect of improving fire resistance time, low cost and good water resistance
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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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