Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of ceramic fiber reinforced SiO2-TiO2 aerogel heat insulation composite material
The invention relates to the technical field of thermal insulation materials, and provides a preparation method of a ceramic fiber reinforced SiO2-TiO2 aerogel thermal insulation composite material, which comprises the following steps: 1, mixing commercially available water-based SiO2 sol, water-based TiO2 sol and a catalyst, and stirring to obtain water-based SiO2-TiO2 sol; 2, dipping a ceramic fiber felt into the water-based SiO2-TiO2 sol to obtain a ceramic fiber felt containing the water-based SiO2-TiO2 sol, and standing to obtain a fiber/gel mixture; 3, the fiber/gel mixture is put into a high-pressure kettle for high-temperature drying, and a ceramic fiber reinforced SiO2-TiO2 aerogel heat insulation composite material blank is obtained; 4, the ceramic fiber reinforced SiO2-TiO2 aerogel heat insulation composite material green body is put into a muffle furnace to be subjected to high-temperature heat treatment, and the ceramic fiber reinforced SiO2-TiO2 aerogel heat insulation composite material is obtained.
本发明涉及隔热材料技术领域，提供了一种陶瓷纤维增强SiO2‑TiO2气凝胶隔热复合材料的制备方法，包括以下步骤：1、将市售水基SiO2溶胶、水基TiO2溶胶、催化剂混合，搅拌后得到水基SiO2‑TiO2溶胶；2、将陶瓷纤维毡浸渍到水基SiO2‑TiO2溶胶中，得到含有水基SiO2‑TiO2溶胶的陶瓷纤维毡，静置，得到纤维/凝胶混合体；3、将纤维/凝胶混合体放进高压釜中进行高温干燥，得到陶瓷纤维增强SiO2‑TiO2气凝胶隔热复合材料坯体；4、将陶瓷纤维增强SiO2‑TiO2气凝胶隔热复合材料坯体放入马弗炉中高温热处理，得到所述陶瓷纤维增强SiO2‑TiO2气凝胶隔热复合材料。
Preparation method of ceramic fiber reinforced SiO2-TiO2 aerogel heat insulation composite material
The invention relates to the technical field of thermal insulation materials, and provides a preparation method of a ceramic fiber reinforced SiO2-TiO2 aerogel thermal insulation composite material, which comprises the following steps: 1, mixing commercially available water-based SiO2 sol, water-based TiO2 sol and a catalyst, and stirring to obtain water-based SiO2-TiO2 sol; 2, dipping a ceramic fiber felt into the water-based SiO2-TiO2 sol to obtain a ceramic fiber felt containing the water-based SiO2-TiO2 sol, and standing to obtain a fiber/gel mixture; 3, the fiber/gel mixture is put into a high-pressure kettle for high-temperature drying, and a ceramic fiber reinforced SiO2-TiO2 aerogel heat insulation composite material blank is obtained; 4, the ceramic fiber reinforced SiO2-TiO2 aerogel heat insulation composite material green body is put into a muffle furnace to be subjected to high-temperature heat treatment, and the ceramic fiber reinforced SiO2-TiO2 aerogel heat insulation composite material is obtained.
本发明涉及隔热材料技术领域，提供了一种陶瓷纤维增强SiO2‑TiO2气凝胶隔热复合材料的制备方法，包括以下步骤：1、将市售水基SiO2溶胶、水基TiO2溶胶、催化剂混合，搅拌后得到水基SiO2‑TiO2溶胶；2、将陶瓷纤维毡浸渍到水基SiO2‑TiO2溶胶中，得到含有水基SiO2‑TiO2溶胶的陶瓷纤维毡，静置，得到纤维/凝胶混合体；3、将纤维/凝胶混合体放进高压釜中进行高温干燥，得到陶瓷纤维增强SiO2‑TiO2气凝胶隔热复合材料坯体；4、将陶瓷纤维增强SiO2‑TiO2气凝胶隔热复合材料坯体放入马弗炉中高温热处理，得到所述陶瓷纤维增强SiO2‑TiO2气凝胶隔热复合材料。
Preparation method of ceramic fiber reinforced SiO2-TiO2 aerogel heat insulation composite material
一种陶瓷纤维增强SiO2-TiO2气凝胶隔热复合材料的制备方法
JIANG YONGGANG (Autor:in) / FENG JIAN (Autor:in) / FENG JUNZONG (Autor:in) / LI LIANGJUN (Autor:in) / XU LIN (Autor:in)
08.07.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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