No-baking light foamed heat insulating and sound isolating material and its production process
A technology for thermal insulation, sound insulation and light weight, which is applied in solid waste management, other household appliances, sustainable waste treatment, etc. It can solve the problems of unsuitable exterior wall materials, low fly ash content, and reduced strength, and achieve finished product functions. Strong, long-term strength, good quality of finished products
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Embodiment 1
[0039] Put the high activity fly ash into the ball mill to grind, the fineness is 5500cm specific surface area 2 / g.
[0040] Formula: 30 kg of finely ground high-activity fly ash, 6 kg of sulfur-aluminum cement, 0.6 kg of raw gypsum powder, and 24 kg of water.
[0041] Put the above ingredients into the blender in order and stir for 2 minutes, stir evenly to make a slurry for later use.
[0042] Physical foaming: Put 0.3 kg of rosin resin liquid foaming agent and 3 kg of water into the mixer and stir it mechanically for foaming before use.
[0043] Put the slurry and the foam in a mixer at a volume ratio of 1:1 and stir evenly, then pour it into a 1000×1000×90mm mold, demould it after 8 hours, put it in a normal temperature curing room for 25 days, and then mold it into a finished product.
Embodiment 2
[0045] Put the high activity fly ash into the ball mill to grind, the fineness is 5500cm specific surface area 2 / g.
[0046] Formula: 25 kg of finely ground high-activity fly ash, 2.5 kg of sulfur-aluminum cement, 0.5 kg of raw gypsum powder, and 14 kg of water.
[0047] Put the above ingredients into the blender in order and stir for 2 minutes, stir evenly to make a slurry for later use.
[0048] Physical foaming: Put 0.3 kg of animal protein foaming agent and 4 kg of water into the mixer and stir it mechanically for foaming before use.
[0049] Put the slurry and foam in the mixer at a volume ratio of 1:1.5 and stir them evenly, pour them into a 1000×1000×60mm mold, demould after 8 hours, put them in a curing room at 20°C-35°C for 30 days, and then take shape That is the finished product.
Embodiment 3
[0051] Put the highly active fly ash into the ball mill to grind, the fineness is 6500cm specific surface area 2 / g.
[0052] Formula: 25 kg of finely ground high-activity fly ash, 22.5 kg of high-alumina cement, 2.5 kg of raw gypsum powder, and 50 kg of water.
[0053] Put the above ingredients in a blender in order and stir for 4 minutes, stir evenly to make a slurry for later use.
[0054] Physical foaming: Put 0.6 kg of sodium dodecylbenzene sulfonate solution and 4.8 kg of water into the mixer and stir it mechanically for foaming before use.
[0055] Put the slurry and the foam in the mixer at a volume ratio of 4:1 and stir, pour it into a 1000×1000×60mm mold after stirring evenly, demould it after 8 hours, put it into a curing room at 35°C-60°C, 20 The finished product is formed after the day.
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