Polymer cement foaming agent and preparation method of foamed concrete thereof
A technology of cement foaming agent and polymer, which is applied in the field of geotechnical environment-friendly lightweight foam concrete, which can solve the problems such as the influence of cement foaming agent performance, and achieve high compactness and strength, microstructure improvement, and less dust.
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Embodiment 1
[0047] A kind of preparation method of polymer cement foaming agent and foamed concrete thereof, comprises the following steps:
[0048] 1) Preparation of keratin hydrolyzate: Weigh 50g of clean and impurity-free animal hoof horn powder, NaHSO 3 After pretreatment, put it into the reactor, weigh 20g of calcium hydroxide, dissolve it in 2000mL of water, and add the solution into the beaker; the temperature of the water bath is controlled at 92°C, and the pH value is controlled at 13.5, and it is stirred in a stirrer , Stir the reaction for 3h. After cooling, filter, and filter firstly with coarse gauze, then with filter paper, and then with a suction filter bottle to obtain keratin hydrolyzate. Dry and weigh the remaining hydrolysis residue, calculate the mass concentration of the obtained keratin hydrolyzate, and dilute it to a mass concentration of 0.5%.
[0049] 2) Compound keratin cement foaming agent: Measure 2000mL of keratin hydrolyzate prepared in the previous step, w...
Embodiment 2
[0055] A kind of preparation method of polyacrylate polymer cement foaming agent and foamed concrete thereof, comprises the following steps:
[0056] 1) Preparation of keratin hydrolyzate: Weigh 50g of clean and impurity-free animal hoof horn powder, NaHSO 3 After pretreatment, put it into the reactor, weigh 20g of calcium hydroxide, dissolve it in 2000mL of water, and add the solution into the beaker; the temperature of the water bath is controlled at 95°C, the pH value is controlled at 13, and it is put into a stirrer to stir , Stir the reaction for 3h. After cooling, filter, and filter firstly with coarse gauze, then with filter paper, and then with a suction filter bottle to obtain keratin hydrolyzate. Dry and weigh the remaining hydrolysis residue, calculate the mass concentration of the obtained keratin hydrolyzate, and dilute it to a mass concentration of 1%.
[0057] 2) Compound keratin cement foaming agent: Measure 2000mL of keratin hydrolyzate prepared in the previ...
Embodiment 3
[0063] A kind of preparation method of polymer cement foaming agent and foamed concrete thereof, comprises the following steps:
[0064] 1) Preparation of keratin hydrolyzate: weigh 50g of clean wool without impurities, NaHSO 3 After pretreatment, put it into the reactor, weigh 20g of calcium hydroxide, dissolve it in 2000mL of water, and add the solution into the beaker; the temperature of the water bath is controlled at 90°C, and the pH value is controlled at 13.5, and it is stirred in a stirrer , Stir the reaction for 3h. After cooling, filter, and filter firstly with coarse gauze, then with filter paper, and then with a suction filter bottle to obtain keratin hydrolyzate. Dry and weigh the remaining hydrolysis residue, calculate the mass concentration of the obtained keratin hydrolyzate, and dilute it to a mass concentration of 1.5%.
[0065] 2) Compound keratin cement foaming agent: Measure 2000mL of keratin hydrolyzate prepared in the previous step, weigh 20g of AOS (s...
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