A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses a gypsum initial and final setting time regulator which comprises the following components in parts by weight: 30-50 parts of calcium hydroxide, 20-40 parts of a mixed component, 2-10 parts of a melamine water reducing agent, 10-20 parts of tartaric acid and 5-15 parts of fumed silica. The above materials are mixed. By means of the mode, the raw materials are easy to obtain, the preparation method is simple, the adding amount is small, the interval between the initial setting time and the final setting time can be prolonged by 5 times, effective operation time is ensured, and wide application is achieved.
本发明公开了一种石膏初终凝结时间调整剂，包括氢氧化钙、混合组分、三聚氰胺减水剂、酒石酸和气相二氧化硅，所述石膏初终凝结时间调整剂各组分的含量为：以重量份计，氢氧化钙30‑50份、混合组分20‑40份、三聚氰胺减水剂2‑10份、酒石酸10‑20份、气相二氧化硅5‑15份，制备方法是将这些组分混合。通过上述方式，本发明原料容易得到，制备方法简单，加入量少，能够将初凝时间和终凝时间间隔延长5倍，确保有效的操作时间，受到广泛应用。
The invention discloses a gypsum initial and final setting time regulator which comprises the following components in parts by weight: 30-50 parts of calcium hydroxide, 20-40 parts of a mixed component, 2-10 parts of a melamine water reducing agent, 10-20 parts of tartaric acid and 5-15 parts of fumed silica. The above materials are mixed. By means of the mode, the raw materials are easy to obtain, the preparation method is simple, the adding amount is small, the interval between the initial setting time and the final setting time can be prolonged by 5 times, effective operation time is ensured, and wide application is achieved.
本发明公开了一种石膏初终凝结时间调整剂，包括氢氧化钙、混合组分、三聚氰胺减水剂、酒石酸和气相二氧化硅，所述石膏初终凝结时间调整剂各组分的含量为：以重量份计，氢氧化钙30‑50份、混合组分20‑40份、三聚氰胺减水剂2‑10份、酒石酸10‑20份、气相二氧化硅5‑15份，制备方法是将这些组分混合。通过上述方式，本发明原料容易得到，制备方法简单，加入量少，能够将初凝时间和终凝时间间隔延长5倍，确保有效的操作时间，受到广泛应用。
Gypsum initial and final setting time regulator and preparation method thereof
一种石膏初终凝结时间调整剂及其制备方法
SHEN YAN (author)
2021-01-01
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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