A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Lightweight bottom layer plastering gypsum
The invention discloses a lightweight bottom layer plastering gypsum which is characterized by comprising the following components in percentage by weight: 20-70% of building gypsum, 20-70% of furnace bottom ash serving as a lightweight aggregate, 0-20% of ordinary portland cement, 0-20% of granulated blast furnace slag powder, 0-30% of fly ash and 0-30% of an additive, wherein the additive comprises the following components in percentage by weight: 0-0.6% of cellulose ether, 0-0.3% of a retarder, 0-0.3% of a water reducing agent, 0-0.15% of starch ether, 0-2% of re-dispersible latex powder, 0-0.5% of polypropylene fiber and 0-2% of a water repellent. The invention provides an environment-friendly lightweight bottom layer plastering gypsum mortar which is low in density, good in heat retaining property and capable of automatically adjusting temperature and humidity. The lightweight bottom layer plastering gypsum can effectively reduce the mortar density and building dead weight and has good sound insulation and noise reduction effects.
Lightweight bottom layer plastering gypsum
The invention discloses a lightweight bottom layer plastering gypsum which is characterized by comprising the following components in percentage by weight: 20-70% of building gypsum, 20-70% of furnace bottom ash serving as a lightweight aggregate, 0-20% of ordinary portland cement, 0-20% of granulated blast furnace slag powder, 0-30% of fly ash and 0-30% of an additive, wherein the additive comprises the following components in percentage by weight: 0-0.6% of cellulose ether, 0-0.3% of a retarder, 0-0.3% of a water reducing agent, 0-0.15% of starch ether, 0-2% of re-dispersible latex powder, 0-0.5% of polypropylene fiber and 0-2% of a water repellent. The invention provides an environment-friendly lightweight bottom layer plastering gypsum mortar which is low in density, good in heat retaining property and capable of automatically adjusting temperature and humidity. The lightweight bottom layer plastering gypsum can effectively reduce the mortar density and building dead weight and has good sound insulation and noise reduction effects.
Lightweight bottom layer plastering gypsum
LI TAO (author) / FANG AIHUA (author)
2015-04-08
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
Bottom layer plastering gypsum and preparation method thereof
| European Patent Office | 2021