Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of silicon carbide/silicon dioxide aerogel composite material
The invention discloses a preparation method of a silicon carbide/silicon dioxide aerogel composite material, which comprises the following steps: mixing silicon carbide nanowires, silica sol and a first solvent to obtain a silicon carbide/silicon dioxide suspension; soaking an inorganic fiber felt pad in the silicon carbide/silicon dioxide suspension to obtain a silicon carbide/silicon dioxide composite gel material; and carrying out methylation modification treatment on the silicon carbide/silicon dioxide composite gel material, and then drying to obtain the silicon carbide/silicon dioxide aerogel composite material. The prepared silicon carbide/silicon dioxide aerogel composite material has excellent mechanical property and heat insulation property at the same time.
本发明公开了一种碳化硅/二氧化硅气凝胶复合材料的制备方法，包括以下步骤：将碳化硅纳米线、硅溶胶以及第一溶剂混合，得到碳化硅/二氧化硅悬浮液；将无机纤维毡垫浸泡于所述碳化硅/二氧化硅悬浮液中，得到碳化硅/二氧化硅复合凝胶材料；将所述碳化硅/二氧化硅复合凝胶材料进行甲基化改性处理，之后进行干燥，得到碳化硅/二氧化硅气凝胶复合材料。本发明能够使制得的碳化硅/二氧化硅气凝胶复合材料同时具有优异的力学性能和隔热性能。
Preparation method of silicon carbide/silicon dioxide aerogel composite material
The invention discloses a preparation method of a silicon carbide/silicon dioxide aerogel composite material, which comprises the following steps: mixing silicon carbide nanowires, silica sol and a first solvent to obtain a silicon carbide/silicon dioxide suspension; soaking an inorganic fiber felt pad in the silicon carbide/silicon dioxide suspension to obtain a silicon carbide/silicon dioxide composite gel material; and carrying out methylation modification treatment on the silicon carbide/silicon dioxide composite gel material, and then drying to obtain the silicon carbide/silicon dioxide aerogel composite material. The prepared silicon carbide/silicon dioxide aerogel composite material has excellent mechanical property and heat insulation property at the same time.
本发明公开了一种碳化硅/二氧化硅气凝胶复合材料的制备方法，包括以下步骤：将碳化硅纳米线、硅溶胶以及第一溶剂混合，得到碳化硅/二氧化硅悬浮液；将无机纤维毡垫浸泡于所述碳化硅/二氧化硅悬浮液中，得到碳化硅/二氧化硅复合凝胶材料；将所述碳化硅/二氧化硅复合凝胶材料进行甲基化改性处理，之后进行干燥，得到碳化硅/二氧化硅气凝胶复合材料。本发明能够使制得的碳化硅/二氧化硅气凝胶复合材料同时具有优异的力学性能和隔热性能。
Preparation method of silicon carbide/silicon dioxide aerogel composite material
一种碳化硅/二氧化硅气凝胶复合材料的制备方法
ZHANG HEPING (Autor:in) / CHENG XUDONG (Autor:in) / PAN YUELEI (Autor:in)
16.04.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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