Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-temperature-resistant wave-transparent heat-insulating aerogel material and preparation method thereof
The invention discloses a high-temperature-resistant wave-transparent heat-insulating aerogel material and a preparation method thereof, and belongs to the field of gel materials. The preparation method comprises the following steps: preparing a mixed sol from a silica sol and an aluminum sol, adding a wave-transparent and light-shading dual-functional additive nano powder into water, and adding a dispersing agent to obtain a dispersion liquid; uniformly mixing the mixed sol, the dispersion liquid and ammonia water, and putting the mixture into a fiber felt for dipping gel; replacing the wet gel with an ethanol solvent for several times, and then carrying out supercritical drying; the aerogel is subjected to heat treatment at high temperature, and the high-temperature-resistant wave-transparent heat-insulation aerogel material is obtained.
本发明公开了一种耐高温透波隔热气凝胶材料及其制备方法，属于凝胶材料领域。本发明将硅溶胶和铝溶胶配置成混合溶胶，将透波‑遮光双功能助剂纳米粉加入水中并加入分散剂得到分散液；将混合溶胶、分散液及氨水均匀混合，放入纤维毡进行浸渍凝胶；将湿凝胶使用乙醇溶剂置换若干次后进行超临界干燥；将气凝胶在高温下进行热处理，得到耐高温透波隔热气凝胶材料。
High-temperature-resistant wave-transparent heat-insulating aerogel material and preparation method thereof
The invention discloses a high-temperature-resistant wave-transparent heat-insulating aerogel material and a preparation method thereof, and belongs to the field of gel materials. The preparation method comprises the following steps: preparing a mixed sol from a silica sol and an aluminum sol, adding a wave-transparent and light-shading dual-functional additive nano powder into water, and adding a dispersing agent to obtain a dispersion liquid; uniformly mixing the mixed sol, the dispersion liquid and ammonia water, and putting the mixture into a fiber felt for dipping gel; replacing the wet gel with an ethanol solvent for several times, and then carrying out supercritical drying; the aerogel is subjected to heat treatment at high temperature, and the high-temperature-resistant wave-transparent heat-insulation aerogel material is obtained.
本发明公开了一种耐高温透波隔热气凝胶材料及其制备方法，属于凝胶材料领域。本发明将硅溶胶和铝溶胶配置成混合溶胶，将透波‑遮光双功能助剂纳米粉加入水中并加入分散剂得到分散液；将混合溶胶、分散液及氨水均匀混合，放入纤维毡进行浸渍凝胶；将湿凝胶使用乙醇溶剂置换若干次后进行超临界干燥；将气凝胶在高温下进行热处理，得到耐高温透波隔热气凝胶材料。
High-temperature-resistant wave-transparent heat-insulating aerogel material and preparation method thereof
一种耐高温透波隔热气凝胶材料及其制备方法
ZHOU TONGHUI (Autor:in) / HUANG HONGYAN (Autor:in) / ZHANG SILU (Autor:in) / ZHANG WANLIN (Autor:in) / LIAO YALONG (Autor:in) / GAO YANG (Autor:in) / ZHANG QI (Autor:in)
20.12.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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