A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
High-strength water-resistant gypsum-based mortar and preparation method thereof
The invention relates to the field of building materials, in particular to high-strength water-resistant gypsum-based mortar and a preparation method thereof. The high-strength water-resistant gypsum-based mortar is composed of ardealite, titanium gypsum, cement, slag powder, composite filler, a composite activator, hydroxypropyl methyl cellulose ether, modified redispersible latex powder, a citric acid retarder, a polycarboxylate superplasticizer and water. The initial setting time of the gypsum-based mortar is greater than or equal to 243.3 min, the final setting time is greater than or equal to 368.4 min, the compressive strength (7d) is greater than or equal to 16.1 MPa, the compressive strength (28d) is greater than or equal to 23.1 MPa, the softening coefficient is greater than or equal to 0.98, the water absorption rate is less than or equal to 1.2%, various properties are good, the surface is smooth and free of hard spots, and the application prospect is wide.
本发明涉及建筑材料领域，具体为一种高强耐水石膏基砂浆及其制备方法，由以下成分组成：磷石膏、钛石膏、水泥、矿渣粉、复合填料、复合激发剂、羟丙基甲基纤维素醚、改性可再分散性乳胶粉、柠檬酸缓凝剂、聚羧酸减水剂、水，本发明石膏基砂浆的初凝时间≥243.3min，终凝时间≥368.4min，抗压强度(7d)≥16.1MPa，抗压强度(28d)≥23.1MPa，软化系数≥0.98，吸水率≤1.2％，各项性能良好，表面平整无麻点，应用前景广泛。
High-strength water-resistant gypsum-based mortar and preparation method thereof
The invention relates to the field of building materials, in particular to high-strength water-resistant gypsum-based mortar and a preparation method thereof. The high-strength water-resistant gypsum-based mortar is composed of ardealite, titanium gypsum, cement, slag powder, composite filler, a composite activator, hydroxypropyl methyl cellulose ether, modified redispersible latex powder, a citric acid retarder, a polycarboxylate superplasticizer and water. The initial setting time of the gypsum-based mortar is greater than or equal to 243.3 min, the final setting time is greater than or equal to 368.4 min, the compressive strength (7d) is greater than or equal to 16.1 MPa, the compressive strength (28d) is greater than or equal to 23.1 MPa, the softening coefficient is greater than or equal to 0.98, the water absorption rate is less than or equal to 1.2%, various properties are good, the surface is smooth and free of hard spots, and the application prospect is wide.
本发明涉及建筑材料领域，具体为一种高强耐水石膏基砂浆及其制备方法，由以下成分组成：磷石膏、钛石膏、水泥、矿渣粉、复合填料、复合激发剂、羟丙基甲基纤维素醚、改性可再分散性乳胶粉、柠檬酸缓凝剂、聚羧酸减水剂、水，本发明石膏基砂浆的初凝时间≥243.3min，终凝时间≥368.4min，抗压强度(7d)≥16.1MPa，抗压强度(28d)≥23.1MPa，软化系数≥0.98，吸水率≤1.2％，各项性能良好，表面平整无麻点，应用前景广泛。
High-strength water-resistant gypsum-based mortar and preparation method thereof
一种高强耐水石膏基砂浆及其制备方法
DING XUN (author) / LIU LIANLIANG (author) / LIU YIHUI (author)
2021-07-27
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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