Air-purifying aerated brick and preparation method thereof
A technology of air purification and aerated bricks, which is applied in the field of building materials, can solve problems affecting the performance and construction quality, impermeability, poor crack resistance, high water absorption of aerated bricks, etc., to improve adhesion and bond Good performance and pressure resistance
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[0014] An aerated brick for purifying air, which is made from the following raw materials in parts by weight:
[0015] Diatomaceous earth 30, coffee charcoal 5, titanium dioxide 3, cement 20, silicone resin YR33703, phenolic resin 2, silane coupling agent KH-5700.3, sodium alginate 0.3, aluminum powder 0.1, konjac gum 1, sodium tripolyphosphate 1. Modified silica sol 5;
[0016] Wherein the modified silica sol is made of the following raw materials in parts by weight: 0.3 of alkenyl succinic anhydride, 0.3 of guar gum, 10 of silica sol with a solid content of 30%, 0.3 of sodium lignosulfonate, and 10 of water; The preparation method is to add sodium lignin sulfonate and alkenyl succinic anhydride into water and stir evenly, then add guar gum and stir at 60°C for 0.5h, after cooling, add silica sol and stir evenly to obtain the product.
[0017] A preparation method of an air-purifying aerated brick, comprising the following steps:
[0018] (1) Weigh raw materials by weight, ...
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