A kind of fly ash autoclaved aerated concrete block and its production method
A technology of concrete blocks and autoclaved air filling, which is applied in the field of building materials preparation, can solve problems such as the decrease of the bonding force between mortar and blocks, difficulty in normal hydration, and cracking of mortar, so that it is not easy to crack and hollow, and reduces water absorption. volume, improve the effect of adhesion
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Embodiment 1
[0027] Example 1: A fly ash autoclaved aerated concrete block. The raw materials include materials and water. In terms of mass ratio, materials: water = 1:0.56. The components in the materials are shown in Table 1. Wherein the admixture comprises 100kg of butyl acrylate / vinyl acetate / 2-acrylamido-2-methylpropanesulfonic acid terpolymer and 20kg of calcium stearoyl lactylate.
[0028] The preparation method of butyl acrylate / vinyl acetate / 2-acrylamido-2-methylpropanesulfonic acid terpolymer is as follows: in parts by weight, 180 parts of butyl acrylate and 180 parts of vinyl acetate are mixed. Obtain reagent A; take 15 parts of 2-acrylamido-2-methylpropanesulfonic acid and mix with 15 parts of water to obtain reagent B; dissolve 2 parts of potassium persulfate in 10 parts of water to obtain reagent C; take 4 parts Ethoxylated nonylphenol sulfosuccinate half ester disodium salt, 1 part sodium stearoyl lactylate, 3 parts sodium lauryl sulfate, mixed to obtain reagent D; take 0.01...
Embodiment 2
[0030] Example 2: A fly ash autoclaved aerated concrete block, the raw materials include materials and water, in terms of mass ratio, materials: water = 1:0.55. The components in the material are shown in Table 1. Wherein the admixture comprises 80kg butyl acrylate / vinyl acetate / 2-acrylamido-2-methylpropanesulfonic acid terpolymer and 20kg calcium stearoyl lactylate.
[0031] The preparation method of butyl acrylate / vinyl acetate / 2-acrylamido-2-methylpropanesulfonic acid terpolymer is as follows: in parts by weight, 195 parts of butyl acrylate and 195 parts of vinyl acetate are mixed. Reagent A is obtained; 20 parts of 2-acrylamido-2-methylpropanesulfonic acid are mixed with 15 parts of water to obtain reagent B; 3 parts of potassium persulfate are dissolved in 10 parts of water to obtain reagent C; 6 parts of Ethoxylated nonylphenol sulfosuccinate half ester disodium salt, 2 parts sodium stearoyl lactylate, 4 parts sodium lauryl sulfate, mixed to obtain reagent D; take 0.01 ...
Embodiment 3
[0033] 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 . Wherein the admixture comprises 150kg of butyl acrylate / vinyl acetate / 2-acrylamido-2-methylpropanesulfonic acid terpolymer and 30kg of calcium stearoyl lactylate.
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