Phosphogypsum-based sound insulation self-leveling mortar and application thereof
A technology of self-leveling mortar and phosphogypsum, applied in the field of mortar, can solve the problems of construction effect without self-leveling mortar construction performance, the influence of self-leveling fluidity and setting time, and the inability to apply floor sound interval, so as to improve the sound insulation performance. , Good construction performance, the effect of saving resources
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Embodiment 1
[0063] This example provides a phosphogypsum-based sound-insulating self-leveling mortar. The raw materials for the preparation of the mortar include, in parts by weight, 36 parts of α-type high-strength gypsum, 55 parts of building gypsum powder, 15 parts of rubber particles, 0.4 parts of cement, and 0.4 parts of retarded setting. 0.03 part of water reducing agent, 0.05 part of thickener, 0.05 part of defoamer, 0.40 part of rubber powder, 0.03 part of polyvinyl alcohol, 0.12 part of wood fiber, and 0.15 part of stabilizer.
[0064] The α-type high-strength gypsum was purchased from Wengfu Chemical Technology Co., Ltd. and conformed to the α30 grade of JC / T 2038-2010 "α-type high-strength gypsum".
[0065] Plaster of building plaster meets grade 3.0 in GB / T 9776-2008.
[0066] The mesh number of the rubber particles is 30 meshes.
[0067] The cement is aluminate cement.
[0068] The retarder is a vegetable protein retarder 200P from Swiss Sika.
[0069] The water reducing a...
Embodiment 2
[0078] This example provides a phosphogypsum-based sound-insulating self-leveling mortar. The raw materials for the preparation of the mortar include, in parts by weight, 72 parts of α-type high-strength gypsum, 16 parts of building gypsum powder, 22 parts of rubber particles, 0.4 parts of cement, and retarded setting. 0.03 part of water reducing agent, 0.08 part of water reducing agent, 0.06 part of thickener, 0.05 part of defoamer, 0.40 part of rubber powder, 0.04 part of polyvinyl alcohol, 0.12 part of wood fiber, and 0.18 part of stabilizer.
[0079] Plaster of building plaster meets grade 3.0 in GB / T 9776-2008.
[0080] The mesh number of the rubber particles is 30 meshes.
[0081] The cement is aluminate cement.
[0082] The retarder is a vegetable protein retarder 200P from Swiss Sika.
[0083] The water reducing agent is Swiss Sika polycarboxylate superplasticizer 540P.
[0084] The thickener is hydroxypropyl methyl cellulose ether, and its viscosity is 6000 mPa.s at ...
Embodiment 3
[0092] This example provides a phosphogypsum-based sound-insulating self-leveling mortar. The raw materials for the preparation of the mortar, in parts by weight, include 76 parts of α-type high-strength gypsum, 0 parts of building gypsum powder, 28 parts of rubber particles, 0.4 parts of cement, and 0.4 parts of retarder. 0 part of water reducing agent, 0.08 part of water reducing agent, 0.05 part of thickener, 0.05 part of defoamer, 0.40 part of rubber powder, 0.04 part of polyvinyl alcohol, 0.16 part of wood fiber, and 0.20 part of stabilizer.
[0093] Plaster of building plaster meets grade 3.0 in GB / T 9776-2008.
[0094] The mesh number of the rubber particles is 30 meshes.
[0095] The cement is aluminate cement.
[0096] The retarder is a vegetable protein retarder 200P from Swiss Sika.
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