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A platform for research: civil engineering, architecture and urbanism
Caulking gypsum
The invention relates to gypsum, and provides caulking gypsum in order to improve the mechanical property of the caulking gypsum. Comprising the following components in parts by weight: 80 to 100 parts by weight of gypsum powder, 1 to 20 parts by weight of commercial concrete waste slurry, 1.5 to 3.0 parts by weight of polyvinyl alcohol, 1.0 to 3.0 parts by weight of cellulose ether, 0.5 to 2.5 parts by weight of a water reducing agent, 0.3 to 2.0 parts by weight of lime, 0.1 to 2.0 parts by weight of starch ether and 0.3 to 3.0 parts by weight of a retarder. The caulking gypsum disclosed by the invention has higher strength and better toughness.
本发明涉及石膏，为了提高嵌缝石膏的力学性能，提供了一种嵌缝石膏，包括按重量份数计的以下组分：80‑100重量份石膏粉、1‑20重量份商砼废浆、1.5‑3.0重量份聚乙烯醇、1.0‑3.0重量份纤维素醚、0.5‑2.5重量份减水剂、0.3‑2.0重量份石灰、0.1‑2.0重量份淀粉醚、0.3‑3.0重量份缓凝剂。本发明的嵌缝石膏，其具有更高的强度，更好地韧性。
Caulking gypsum
The invention relates to gypsum, and provides caulking gypsum in order to improve the mechanical property of the caulking gypsum. Comprising the following components in parts by weight: 80 to 100 parts by weight of gypsum powder, 1 to 20 parts by weight of commercial concrete waste slurry, 1.5 to 3.0 parts by weight of polyvinyl alcohol, 1.0 to 3.0 parts by weight of cellulose ether, 0.5 to 2.5 parts by weight of a water reducing agent, 0.3 to 2.0 parts by weight of lime, 0.1 to 2.0 parts by weight of starch ether and 0.3 to 3.0 parts by weight of a retarder. The caulking gypsum disclosed by the invention has higher strength and better toughness.
本发明涉及石膏，为了提高嵌缝石膏的力学性能，提供了一种嵌缝石膏，包括按重量份数计的以下组分：80‑100重量份石膏粉、1‑20重量份商砼废浆、1.5‑3.0重量份聚乙烯醇、1.0‑3.0重量份纤维素醚、0.5‑2.5重量份减水剂、0.3‑2.0重量份石灰、0.1‑2.0重量份淀粉醚、0.3‑3.0重量份缓凝剂。本发明的嵌缝石膏，其具有更高的强度，更好地韧性。
Caulking gypsum
一种嵌缝石膏
WANG YONG (author) / ZHONG SHILIN (author) / AN TIANHUA (author) / ZHOU MIAOXIN (author) / ZHANG HAIFENG (author) / LUO ZHIQIANG (author)
2023-03-21
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Caulking gypsum capable of purifying air and preparation method thereof
| European Patent Office | 2020