Gypsum-based thermal insulation mortar used for pouring
A thermal insulation mortar and gypsum-based technology, which is applied in the comprehensive utilization of solid waste and building materials, can solve the problems of long construction period, long setting time, and heavy volume, and achieve the effect of short maintenance period, fast setting and hardening, and light bulk density
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Embodiment 1
[0020] Insulation mortar, which is composed of: 100 parts by weight of phosphorus building plaster, 15 parts by weight of cement, 30 parts by weight of mineral powder, 3 parts by weight of quicklime, 1 part by weight of polyphenylene particles, 0.07 parts by weight of citric acid, sodium dodecylsulfonate 0.002 parts by weight, 0.45 parts by weight of water reducing agent, 0.3 parts by weight of cellulose ether, 1.3 parts by weight of rubber powder, 0.02 parts by weight of starch ether, and 149 parts by weight of water.
[0021] Weigh and mix the above raw materials (except light aggregate) according to the proportion, then add light aggregate and mix evenly to prepare thermal insulation mortar.
[0022] The fluidity of the prepared thermal insulation mortar is 240mm, the bulk density is 450Kg / m3, and the compressive strength is 1.5MPa.
Embodiment 2
[0024] The thermal insulation mortar is composed of: 100 parts by weight of phosphorus building plaster, 30 parts by weight of cement, 15 parts by weight of mineral powder, 1 part by weight of polyphenylene particles, 0.07 parts by weight of citric acid, and 0.002 parts by weight of sodium dodecylsulfonate. 0.45 parts by weight of water agent, 0.3 parts by weight of cellulose ether, 1.45 parts by weight of rubber powder, 0.02 parts by weight of starch ether, and 149 parts by weight of water.
[0025] Weigh and mix the above raw materials (except light aggregate) according to the proportion, then add light aggregate and mix evenly to prepare thermal insulation mortar.
[0026] The fluidity of the prepared thermal insulation mortar is 235mm, the bulk density is 458Kg / m3, and the compressive strength is 1.9MPa.
Embodiment 3
[0028] Insulation mortar, which is composed of: 100 parts by weight of desulfurized gypsum hemihydrate, 15 parts by weight of cement, 30 parts by weight of mineral powder, 5 parts by weight of ash calcium, 1 part by weight of polyphenylene particles, 0.2 parts by weight of citric acid, dodecyl sulfonate 0.002 parts by weight of sodium bicarbonate, 0.45 parts by weight of water reducing agent, 0.15 parts by weight of cellulose ether, 2 parts by weight of rubber powder, 0.01 parts by weight of starch ether, and 116 parts by weight of water.
[0029] Weigh and mix the above raw materials (except light aggregate) according to the proportion, then add light aggregate and mix evenly to prepare thermal insulation mortar.
[0030] The fluidity of the prepared thermal insulation mortar is 250mm, the bulk density is 488Kg / m3, and the compressive strength is 2.4MPa.
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