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A platform for research: civil engineering, architecture and urbanism
Lightweight sound insulation gypsum board
The invention belongs to the technical field of building materials, and relates to a light sound insulation gypsum board which is composed of alpha-semi-hydrated gypsum powder, polyvinyl alcohol fiber, hydrophobic modified sepiolite, a foaming agent dodecyl dimethyl amine oxide, an inorganic thickener, a foam stabilizer, sodium isopropyl naphthalene sulfonate, sodium lignin sulfonate and deionized water. The thickness of the obtained light sound insulation gypsum board is 9.5-9.6 mm, the surface density is 7.1-7.6 kg/m < 3 >, the edge hardness is 78-83 N, the end hardness is 75-82N, the water absorption rate is 5.2-6.1%, the surface water absorption capacity is 95-102 g/m < 2 >, the fire stability is 36-41 min, the sound absorption coefficient is 0.51-0.56 under 250 Hz, the sound absorption coefficient is 0.60-0.65 under 500 Hz, the sound absorption coefficient is 0.75-0.81 under 1000 Hz, the sound absorption coefficient is 0.79-0.85 under 2000 Hz, and the sound absorption coefficient is 0.87-0.91 under 4000 Hz.
一种轻质隔音石膏板，属于建筑材料技术领域，所述轻质隔音石膏板由α‑半水石膏粉、聚乙烯醇纤维、疏水改性海泡石、发泡剂十二烷基二甲基氧化胺、无机增稠剂、稳泡剂、异丙基萘磺酸钠、木质素磺酸钠、去离子水组成；本发明得到的轻质隔音石膏板，厚度9.5~9.6mm，面密度7.1~7.6kg/m3，棱边硬度78~83N，端头硬度75~82N，吸水率5.2~6.1%，表面吸水量95~102g/m2，遇火稳定性36~41min，吸声系数250Hz下为0.51~0.56、500Hz下为0.60~0.65、1000Hz下为0.75~0.81、2000Hz下为0.79~0.85、4000Hz下为0.87~0.91。
Lightweight sound insulation gypsum board
The invention belongs to the technical field of building materials, and relates to a light sound insulation gypsum board which is composed of alpha-semi-hydrated gypsum powder, polyvinyl alcohol fiber, hydrophobic modified sepiolite, a foaming agent dodecyl dimethyl amine oxide, an inorganic thickener, a foam stabilizer, sodium isopropyl naphthalene sulfonate, sodium lignin sulfonate and deionized water. The thickness of the obtained light sound insulation gypsum board is 9.5-9.6 mm, the surface density is 7.1-7.6 kg/m < 3 >, the edge hardness is 78-83 N, the end hardness is 75-82N, the water absorption rate is 5.2-6.1%, the surface water absorption capacity is 95-102 g/m < 2 >, the fire stability is 36-41 min, the sound absorption coefficient is 0.51-0.56 under 250 Hz, the sound absorption coefficient is 0.60-0.65 under 500 Hz, the sound absorption coefficient is 0.75-0.81 under 1000 Hz, the sound absorption coefficient is 0.79-0.85 under 2000 Hz, and the sound absorption coefficient is 0.87-0.91 under 4000 Hz.
一种轻质隔音石膏板，属于建筑材料技术领域，所述轻质隔音石膏板由α‑半水石膏粉、聚乙烯醇纤维、疏水改性海泡石、发泡剂十二烷基二甲基氧化胺、无机增稠剂、稳泡剂、异丙基萘磺酸钠、木质素磺酸钠、去离子水组成；本发明得到的轻质隔音石膏板，厚度9.5~9.6mm，面密度7.1~7.6kg/m3，棱边硬度78~83N，端头硬度75~82N，吸水率5.2~6.1%，表面吸水量95~102g/m2，遇火稳定性36~41min，吸声系数250Hz下为0.51~0.56、500Hz下为0.60~0.65、1000Hz下为0.75~0.81、2000Hz下为0.79~0.85、4000Hz下为0.87~0.91。
Lightweight sound insulation gypsum board
一种轻质隔音石膏板
XIA YUANYUAN (author) / JU XIAOLING (author) / ZHU LEI (author)
2024-03-22
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
The Preparation of Desulfurization Gypsum-Based Lightweight Insulation Board
| British Library Conference Proceedings | 2015