Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Fiber/aerogel composite thermal insulation material
The invention discloses a fiber/aerogel composite thermal insulation material, and belongs to the technical field of thermal insulation materials, the fiber/aerogel composite thermal insulation material provided by the invention comprises the following raw materials by mass fraction: 75-90% of sol and 10-25% of modified glass fiber. The preparation method of the fiber/aerogel composite thermal insulation material comprises the following steps: step A1, mixing tetraethoxysilane and an ethanol water solution, adjusting the pH value to 2-3, stirring at 50 DEG C for 0.5-1 hour, and adjusting the pH value to 6.9-7.3 to obtain sol; a2, pouring the sol into a mold containing modified glass fibers, sealing and standing to obtain gel, and treating at 60-80 DEG C for 10-15 hours; and taking out the product, replacing the solvent, and drying to obtain the fiber/aerogel composite thermal insulation material. The prepared composite material has excellent comprehensive performance and is wide in application field.
本发明公开了一种纤维/气凝胶复合隔热保暖材料，属于隔热材料技术领域，本发明提供的纤维/气凝胶复合隔热保暖材料，包括以下原料：质量分数为75‑90％的溶胶，质量分数为10‑25％的改性玻璃纤维。该纤维/气凝胶复合隔热保暖材料的制备包括以下步骤：步骤A1：将正硅酸乙酯、乙醇水溶液混合后调节pH为2‑3，50℃搅拌0.5‑1h，调节pH为6.9‑7.3，得到溶胶；步骤A2：将溶胶倒入含有改性玻璃纤维的模具中，密封静置凝胶，在60‑80℃下处理10‑15h；将产品取出溶剂置换、烘干，得到纤维/气凝胶复合隔热保暖材料。本发明制备得到复合材料具有优良的综合性能，适用领域广泛。
Fiber/aerogel composite thermal insulation material
The invention discloses a fiber/aerogel composite thermal insulation material, and belongs to the technical field of thermal insulation materials, the fiber/aerogel composite thermal insulation material provided by the invention comprises the following raw materials by mass fraction: 75-90% of sol and 10-25% of modified glass fiber. The preparation method of the fiber/aerogel composite thermal insulation material comprises the following steps: step A1, mixing tetraethoxysilane and an ethanol water solution, adjusting the pH value to 2-3, stirring at 50 DEG C for 0.5-1 hour, and adjusting the pH value to 6.9-7.3 to obtain sol; a2, pouring the sol into a mold containing modified glass fibers, sealing and standing to obtain gel, and treating at 60-80 DEG C for 10-15 hours; and taking out the product, replacing the solvent, and drying to obtain the fiber/aerogel composite thermal insulation material. The prepared composite material has excellent comprehensive performance and is wide in application field.
本发明公开了一种纤维/气凝胶复合隔热保暖材料，属于隔热材料技术领域，本发明提供的纤维/气凝胶复合隔热保暖材料，包括以下原料：质量分数为75‑90％的溶胶，质量分数为10‑25％的改性玻璃纤维。该纤维/气凝胶复合隔热保暖材料的制备包括以下步骤：步骤A1：将正硅酸乙酯、乙醇水溶液混合后调节pH为2‑3，50℃搅拌0.5‑1h，调节pH为6.9‑7.3，得到溶胶；步骤A2：将溶胶倒入含有改性玻璃纤维的模具中，密封静置凝胶，在60‑80℃下处理10‑15h；将产品取出溶剂置换、烘干，得到纤维/气凝胶复合隔热保暖材料。本发明制备得到复合材料具有优良的综合性能，适用领域广泛。
Fiber/aerogel composite thermal insulation material
一种纤维/气凝胶复合隔热保暖材料
MA XIAOFEI (Autor:in) / ZHANG ZHICHENG (Autor:in) / ZHANG LI (Autor:in) / YUAN BINGQIAN (Autor:in) / YUAN MENG (Autor:in)
14.01.2025
Patent
Elektronische Ressource
Chinesisch
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