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A platform for research: civil engineering, architecture and urbanism
Lightweight plastering gypsum powder as well as preparation method and application thereof
The invention discloses lightweight plastering gypsum powder, which is characterized by being mainly prepared from the following raw materials in parts by weight: 70 to 80 parts of desulfurized gypsum, 15 to 20 parts of lightweight aggregate, 15 to 30 parts of fine sand, 0.1 to 0.3 part of water-retaining agent, 0.1 to 0.3 part of water reducing agent, 0.6 to 0.9 part of retarder and 0.1 to 0.4 part of air entraining agent. The lightweight aggregate is 55-65-mesh silicate glass microspheres, the water absorption rate of the volume of the silicate glass microspheres is not greater than 40%, and the bulk density is not greater than 100 kg/m < 3 >. The water-retaining agent is any one of methyl cellulose ether, methyl hydroxypropyl cellulose ether, hydroxyethyl cellulose ether or cyanoethyl cellulose ether. The retarder is formed by mixing any one or two of sodium tripolyphosphate, sodium polyphosphate, sodium hexametaphosphate, sodium pyrophosphate or bone glue protein. The invention further provides a preparation method and application of the light plastering gypsum powder. The light plastering gypsum powder provided by the invention is small in volume density and high in application value.
本发明公开了一种轻质抹灰石膏粉，其特征在于，主要由以下重量份原料制备而成：脱硫石膏70～80份，轻骨料15～20份，细砂15～30份，保水剂0.1～0.3份，减水剂0.1～0.3份，缓凝剂0.6～0.9份，引气剂0.1～0.4份。所述轻骨料为55～65目的硅酸盐玻璃微球，所述硅酸盐玻璃微球体积的吸水率不大于40％，堆积密度不大于100kg/m3。所述保水剂为甲基纤维素醚、甲基羟丙基纤维素醚、羟乙基纤维素醚或者氰乙基纤维素醚中的任意一种。所述缓凝剂为三聚磷酸钠、多聚磷酸钠、六偏磷酸钠、焦磷酸钠或者骨胶蛋白质中的任意一种或者两种混合而成。本发明还提供了一种轻质抹灰石膏粉的制备方法和应用。本发明提供的一种轻质抹灰石膏粉，体积密度小，应用价值高。
Lightweight plastering gypsum powder as well as preparation method and application thereof
The invention discloses lightweight plastering gypsum powder, which is characterized by being mainly prepared from the following raw materials in parts by weight: 70 to 80 parts of desulfurized gypsum, 15 to 20 parts of lightweight aggregate, 15 to 30 parts of fine sand, 0.1 to 0.3 part of water-retaining agent, 0.1 to 0.3 part of water reducing agent, 0.6 to 0.9 part of retarder and 0.1 to 0.4 part of air entraining agent. The lightweight aggregate is 55-65-mesh silicate glass microspheres, the water absorption rate of the volume of the silicate glass microspheres is not greater than 40%, and the bulk density is not greater than 100 kg/m < 3 >. The water-retaining agent is any one of methyl cellulose ether, methyl hydroxypropyl cellulose ether, hydroxyethyl cellulose ether or cyanoethyl cellulose ether. The retarder is formed by mixing any one or two of sodium tripolyphosphate, sodium polyphosphate, sodium hexametaphosphate, sodium pyrophosphate or bone glue protein. The invention further provides a preparation method and application of the light plastering gypsum powder. The light plastering gypsum powder provided by the invention is small in volume density and high in application value.
本发明公开了一种轻质抹灰石膏粉，其特征在于，主要由以下重量份原料制备而成：脱硫石膏70～80份，轻骨料15～20份，细砂15～30份，保水剂0.1～0.3份，减水剂0.1～0.3份，缓凝剂0.6～0.9份，引气剂0.1～0.4份。所述轻骨料为55～65目的硅酸盐玻璃微球，所述硅酸盐玻璃微球体积的吸水率不大于40％，堆积密度不大于100kg/m3。所述保水剂为甲基纤维素醚、甲基羟丙基纤维素醚、羟乙基纤维素醚或者氰乙基纤维素醚中的任意一种。所述缓凝剂为三聚磷酸钠、多聚磷酸钠、六偏磷酸钠、焦磷酸钠或者骨胶蛋白质中的任意一种或者两种混合而成。本发明还提供了一种轻质抹灰石膏粉的制备方法和应用。本发明提供的一种轻质抹灰石膏粉，体积密度小，应用价值高。
Lightweight plastering gypsum powder as well as preparation method and application thereof
一种轻质抹灰石膏粉及其制备方法和应用
NIU ZHUNYU (author)
2022-03-01
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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