Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Gypsum plaster board and preparation method thereof
The invention discloses a gypsum plaster board. The gypsum plaster board is prepared from the following raw materials in parts by weight: 5 to 20 parts of pretreated phosphogypsum, 60 to 75 parts of water, 0.02 to 0.1 part of glass fiber, 0.1 to 2 parts of foaming agent, 0.2 to 1 part of retarder and 0.2 to 2 parts of starch based on 100 parts of desulfurized gypsum. The invention further providesa preparation method of the gypsum plaster board. According to the preparation method of the gypsum plaster board, part of phosphogypsum is used for replacing desulfurized gypsum.
本申请公开一种纸面石膏板，所述纸面石膏板的原料包括：以脱硫石膏100重量份计、预处理的磷石膏5‑20重量份、水60‑75重量份、玻璃纤维0.02‑0.1重量份、发泡剂0.1‑2重量份、缓凝剂0.2‑1重量份、淀粉0.2‑2重量份。本申请还提供所述纸面石膏板的制备方法，该纸面石膏板的制备利用了部分磷石膏替代脱硫石膏。
Gypsum plaster board and preparation method thereof
The invention discloses a gypsum plaster board. The gypsum plaster board is prepared from the following raw materials in parts by weight: 5 to 20 parts of pretreated phosphogypsum, 60 to 75 parts of water, 0.02 to 0.1 part of glass fiber, 0.1 to 2 parts of foaming agent, 0.2 to 1 part of retarder and 0.2 to 2 parts of starch based on 100 parts of desulfurized gypsum. The invention further providesa preparation method of the gypsum plaster board. According to the preparation method of the gypsum plaster board, part of phosphogypsum is used for replacing desulfurized gypsum.
本申请公开一种纸面石膏板，所述纸面石膏板的原料包括：以脱硫石膏100重量份计、预处理的磷石膏5‑20重量份、水60‑75重量份、玻璃纤维0.02‑0.1重量份、发泡剂0.1‑2重量份、缓凝剂0.2‑1重量份、淀粉0.2‑2重量份。本申请还提供所述纸面石膏板的制备方法，该纸面石膏板的制备利用了部分磷石膏替代脱硫石膏。
Gypsum plaster board and preparation method thereof
一种纸面石膏板及其制备方法
YIN DONGJIE (Autor:in) / JIAN MING (Autor:in) / TAN DANJUN (Autor:in) / WANG PENGQI (Autor:in) / HE LIANG (Autor:in) / WANG YING (Autor:in) / TENG WEIGUANG (Autor:in)
04.09.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
Composition for gypsum board, gypsum plaster board and preparation method of gypsum plaster board
| Europäisches Patentamt | 2024