Composite sulphoaluminate cement-based self-leveling material and preparation method thereof
A composite sulphoaluminate and cement-based technology, applied in sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of high cost, cost bottleneck impact, high energy consumption, etc., and achieve low production cost , Improve compactness, low energy consumption
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Example Embodiment
[0020] Example 1
[0021] The weight ratio of each component in the present embodiment:
[0022] Desulfurized gypsum 35%
[0023] Ultrafine Mineral Powder 21%
[0024] Sulfoaluminate Cement 32%
[0025] Portland cement 10%
[0026] Polycarboxylate water reducer 0.75%
[0027] coagulant Na 2 SO 4 1.0%
[0028] Water retention agent MC 0.05%
[0029] Preparation: Weigh each component raw material according to the above predetermined mass percentage, and mix evenly to obtain the composite sulfoaluminate self-leveling material of the present invention. According to the water-cement ratio of 0.41, after testing, the fluidity is 220mm, and the fluidity loses 3mm over time in 30min.
Example Embodiment
[0030] Example 2
[0031] The weight ratio of each component in the present embodiment:
[0032] Desulfurized gypsum 38%
[0033] Ultrafine Mineral Powder 17%
[0034] Sulfoaluminate Cement 35%
[0035] Portland cement 8%
[0036] Naphthalene water reducer 0.5%
[0037] coagulant K 2 SO 4 1.2%
[0038] Water retention agent MC 0.07%
[0039] Silicone defoamer XPJ820 0.03%
[0040] Preparation: Weigh each component raw material according to the above predetermined mass percentage, and mix evenly to obtain the composite sulfoaluminate self-leveling material of the present invention. According to the water-cement ratio of 0.42, after testing, the fluidity is 225mm, and the fluidity loses 2mm over time in 30min.
Example Embodiment
[0041] Example 3
[0042] The weight ratio of each component in the present embodiment:
[0043] Phosphogypsum 50%
[0044] Ultrafine Mineral Powder 14%
[0045] Sulfoaluminate cement 29%
[0046] Portland cement 5.3%
[0047] Polycarboxylate water reducer 0.8%
[0048] coagulant Al 2 (SO 4 ) 3 0.8%
[0049] Water retention agent HPMC 0.05%
[0050] Silicone defoamer XPJ820 0.05%
[0051] Preparation: Weigh each component raw material according to the above predetermined mass percentage, and mix evenly to obtain the composite sulfoaluminate self-leveling material of the present invention. According to the water-cement ratio of 0.42, after testing, the fluidity is 230mm, and the fluidity loses 1mm over time in 30min.
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