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A platform for research: civil engineering, architecture and urbanism
Method for improving heat insulation performance of gypsum board and gypsum board
The invention discloses a method for improving the heat insulation performance of a gypsum board, which comprises the following steps: adding SiO2 aerogel into calcined gypsum powder, and adding in a distributed rolling manner to obtain mixed powder; the preparation method comprises the following steps: adding a high-molecular efficient retarder into water, and uniformly mixing to obtain a mixed liquid material; mixing the mixed powder with the mixed liquid to obtain gypsum slurry, spreading the gypsum slurry, and performing extrusion forming to obtain the gypsum board with high heat insulation performance. Wherein the SiO2 aerogel is uniformly distributed in the gypsum board, has low convective heat transfer efficiency, and greatly reduces gas heat conduction, so that the heat insulation effect of the gypsum board is improved; the high-molecular efficient retarder can adjust the initial and final setting time and the spreading degree of the gypsum board; the invention also provides a gypsum board. The heat insulation performance of the gypsum board is greatly improved while the quality and the mechanical property of the gypsum board are kept unchanged, and the gypsum board with high heat conductivity and other technical indexes not easy to change is obtained.
本发明公开了一种提高石膏板隔热性能的方法，包括如下步骤：将SiO2气凝胶加入至熟石膏粉中，通过分布翻滚式加料，获得混合粉料；将高分子高效缓凝剂加入至水中，混合均匀，获得混合液料；将混合粉料与混合液料混合在一起，获得石膏浆料，将石膏浆料摊开，挤压成型后得到具有高隔热性能的石膏板；其中，SiO2气凝胶在石膏板内均匀分布，具有低对流传热效率，大幅度降低气体热传导，从而提高石膏板的隔热效果；高分子高效缓凝剂能够调整石膏板的初终凝时间和摊开度；本发明还提供了一种石膏板。发明实现了在保持石膏板材质量和力学性能不变的同时大幅度提高其隔热性能，获得了一种能够高导热且其他技术指标不易改变的石膏板。
Method for improving heat insulation performance of gypsum board and gypsum board
The invention discloses a method for improving the heat insulation performance of a gypsum board, which comprises the following steps: adding SiO2 aerogel into calcined gypsum powder, and adding in a distributed rolling manner to obtain mixed powder; the preparation method comprises the following steps: adding a high-molecular efficient retarder into water, and uniformly mixing to obtain a mixed liquid material; mixing the mixed powder with the mixed liquid to obtain gypsum slurry, spreading the gypsum slurry, and performing extrusion forming to obtain the gypsum board with high heat insulation performance. Wherein the SiO2 aerogel is uniformly distributed in the gypsum board, has low convective heat transfer efficiency, and greatly reduces gas heat conduction, so that the heat insulation effect of the gypsum board is improved; the high-molecular efficient retarder can adjust the initial and final setting time and the spreading degree of the gypsum board; the invention also provides a gypsum board. The heat insulation performance of the gypsum board is greatly improved while the quality and the mechanical property of the gypsum board are kept unchanged, and the gypsum board with high heat conductivity and other technical indexes not easy to change is obtained.
本发明公开了一种提高石膏板隔热性能的方法，包括如下步骤：将SiO2气凝胶加入至熟石膏粉中，通过分布翻滚式加料，获得混合粉料；将高分子高效缓凝剂加入至水中，混合均匀，获得混合液料；将混合粉料与混合液料混合在一起，获得石膏浆料，将石膏浆料摊开，挤压成型后得到具有高隔热性能的石膏板；其中，SiO2气凝胶在石膏板内均匀分布，具有低对流传热效率，大幅度降低气体热传导，从而提高石膏板的隔热效果；高分子高效缓凝剂能够调整石膏板的初终凝时间和摊开度；本发明还提供了一种石膏板。发明实现了在保持石膏板材质量和力学性能不变的同时大幅度提高其隔热性能，获得了一种能够高导热且其他技术指标不易改变的石膏板。
Method for improving heat insulation performance of gypsum board and gypsum board
一种提高石膏板隔热性能的方法及石膏板
GUO CHENMING (author) / ZHANG HE (author) / LIU WEI (author) / LIU CHEN (author) / WANG HAORAN (author) / QIU KE (author) / CHEN YAXIN (author) / GU WENJIE (author)
2024-07-26
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Gypsum plaster board and method for improving heat transfer rate of gypsum board
| European Patent Office | 2024