Fly ash autoclaved aerated concrete blocks and production method thereof
A technology of concrete block and autoclaved aeration, which is applied in the field of building material preparation, can solve the problems of decreased adhesion between mortar and block, difficulty in normal hydration, mortar cracking, etc. quantity, and the effect of improving adhesion
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Embodiment 1
[0026] Example 1: A fly ash autoclaved aerated concrete block. The raw materials include materials and water. In terms of mass ratio, the materials: water=1:0.56. The components in the materials are shown in Table 1. The additives include 100 kg of butyl acrylate / vinyl acetate / 2-acrylamido-2-methylpropanesulfonic acid terpolymer and 20 kg of calcium stearoyl lactate.
[0027] The preparation method of the terpolymer of butyl acrylate / vinyl acetate / 2-acrylamido-2-methylpropanesulfonic acid is as follows: take 180 parts of butyl acrylate and 180 parts of vinyl acetate in parts by weight, and mix them. Obtain reagent A; take 15 parts of 2-acrylamido-2-methylsulfonic acid and mix with 15 parts of water to obtain reagent B; take 2 parts of potassium persulfate and dissolve in 10 parts of water to obtain reagent C; take 4 Parts of ethoxylated nonylphenol sulfosuccinic acid half ester disodium salt, 1 part of sodium stearoyl lactylate, 3 parts of sodium lauryl sulfate, mixed to obtain r...
Embodiment 2
[0029] Example 2: A fly ash autoclaved aerated concrete block. The raw materials include materials and water. In terms of mass ratio, the materials: water=1:0.55. The components in the material are shown in Table 1. The additives include 80kg of butyl acrylate / vinyl acetate / 2-acrylamido-2-methylpropanesulfonic acid terpolymer and 20kg of calcium stearoyl lactate.
[0030] The preparation method of butyl acrylate / vinyl acetate / 2-acrylamido-2-methylpropanesulfonic acid terpolymer is as follows: Take 195 parts of butyl acrylate and 195 parts of vinyl acetate in parts by weight, and mix them. Obtain reagent A; take 20 parts of 2-acrylamido-2-methylsulfonic acid and mix with 15 parts of water to obtain reagent B; take 3 parts of potassium persulfate and dissolve in 10 parts of water to obtain reagent C; take 6 Parts of ethoxylated nonylphenol sulfosuccinic acid half ester disodium salt, 2 parts of sodium stearoyl lactylate, 4 parts of sodium lauryl sulfate, and mixed to obtain reagen...
Embodiment 3
[0032] Example 3: A fly ash autoclaved aerated concrete block. The difference from Example 1 is that in terms of mass ratio, material: water = 1:0.6, and the components in the material are shown in Table 1. . The additives include 150kg of butyl acrylate / vinyl acetate / 2-acrylamido-2-methylpropanesulfonic acid terpolymer and 30kg of calcium stearoyl lactate.
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