Rare-earth fireproof heat-insulating material and preparation method therefor
A technology for fire-proof heat preservation and heat preservation material, applied in the field of heat preservation material, can solve the problem of difficult to meet the requirements of mechanical strength, achieve good hydrophobicity and air permeability, improve fire resistance and heat preservation performance, and improve the effect of fire and heat preservation performance
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[0022] Example 1
[0023] Rare earth fireproof and thermal insulation materials, including the following components by mass:
[0024]
[0025] Among them, the particle size of pumice is 220 mesh.
[0026] The particle size of iron-doped titanium dioxide is 50-75nm.
[0027] The rare earth additive is lanthanum nitrate.
[0028] The auxiliary agent is white carbon black, polyethylene glycol and methyl hydroxyethyl cellulose ether, the weight ratio of which is 4:1:2.
[0029] According to the proportion of the rare earth fireproof and heat preservation materials, the preparation is as follows:
[0030] (1) Take pumice, kaolin and additives in a ball mill, and mix them with ball milling at 115°C for 0.5h to obtain ball milling mixture;
[0031] (2) Take vitrified microbeads, aluminum silicate fiber and asbestos wool, add water, mix evenly, add the ball mill mixture whose temperature is lowered to 45℃, stir for 12 minutes, add iron-doped titanium dioxide and rare earth additives , Stir evenly...
Example Embodiment
[0034] Example 2
[0035] Rare earth fireproof and thermal insulation materials, including the following components by mass:
[0036]
[0037] Among them, the particle size of pumice is 200 mesh.
[0038] The particle size of iron-doped titanium dioxide is 50-75nm.
[0039] The rare earth additive is lanthanum nitrate.
[0040] The auxiliary agent is white carbon black, polyethylene glycol and methyl hydroxyethyl cellulose ether, and the weight ratio is 3:1:2.
[0041] According to the proportion of the rare earth fireproof and heat preservation materials, the preparation is as follows:
[0042] (1) Take pumice, kaolin and additives in a ball mill, and mix them for 1 hour at 110°C to obtain a ball mill mixture;
[0043] (2) Take vitrified microbeads, aluminum silicate fiber and asbestos wool, add water, mix evenly, add the ball mill mixture whose temperature is reduced to 30°C, stir for 10 minutes, add iron-doped titanium dioxide and rare earth additives , Stir evenly to obtain mixture 1;...
Example Embodiment
[0046] Example 3
[0047] Rare earth fireproof and thermal insulation materials, including the following components by mass:
[0048]
[0049] Among them, the particle size of pumice is 250 mesh.
[0050] The particle size of iron-doped titanium dioxide is 50-75nm.
[0051] The rare earth additive is lanthanum nitrate.
[0052] The additives are white carbon black, polyethylene glycol and methyl hydroxyethyl cellulose ether, and the weight ratio is 5:1:3.
[0053] According to the proportion of the rare earth fireproof and heat preservation materials, the preparation is as follows:
[0054] (1) Take pumice, kaolin and additives in a ball mill, and mix them with ball milling at 125°C for 0.5h to obtain a ball milling mixture;
[0055] (2) Take vitrified microbeads, aluminum silicate fiber and asbestos wool, add water, mix evenly, add the ball mill mixture whose temperature is lowered to 50℃, stir for 15 minutes, add iron-doped titanium dioxide and rare earth additives , Stir evenly to obta...
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