Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Additive for improving cement mortar performance
The invention relates to the technical field of building materials, in particular to an additive for improving cement mortar performance. The additive comprises 45%-55% of grade I coal ash, 1%-20% of an air entraining agent, 10%-15% of a microcrystal swelling agent, 15%-25% of an alkaline excitation agent, 3%-4% of a water retaining agent, 10%-50% of calcium carbonate, 2%-6% of sodium dodecyl sulfate, 2%-10% of hydroxymethyl cellulose, 1%-10% of polyvinyl alcohol and 10%-40% of superfine slag powder. According to the provided additive, defects of high probability of cracking, hollowing, shedding, bubbling and the like of a wall are overcome, the problem of mortar workability is solved, and the performance is effectively improved.
Additive for improving cement mortar performance
The invention relates to the technical field of building materials, in particular to an additive for improving cement mortar performance. The additive comprises 45%-55% of grade I coal ash, 1%-20% of an air entraining agent, 10%-15% of a microcrystal swelling agent, 15%-25% of an alkaline excitation agent, 3%-4% of a water retaining agent, 10%-50% of calcium carbonate, 2%-6% of sodium dodecyl sulfate, 2%-10% of hydroxymethyl cellulose, 1%-10% of polyvinyl alcohol and 10%-40% of superfine slag powder. According to the provided additive, defects of high probability of cracking, hollowing, shedding, bubbling and the like of a wall are overcome, the problem of mortar workability is solved, and the performance is effectively improved.
Additive for improving cement mortar performance
DAI LIUQING (Autor:in)
29.04.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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