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Preparation method of blocky high-temperature-resistant mullite ceramic aerogel
The invention belongs to the field of preparation processes of aerogel materials, and relates to a preparation method of a blocky high-temperature-resistant mullite ceramic aerogel material. In particular to a method for preparing blocky high-temperature-resistant mullite aerogel by combining a sol-gel method with a supercritical drying process and a heat treatment process. According to the method, the blocky high-temperature-resistant mullite ceramic aerogel is prepared by utilizing cheap raw materials and a simple preparation process, the temperature resistance of the aerogel in air is improved to 1300 DEG C, and the blocky high-temperature-resistant mullite ceramic aerogel has great application prospects in the fields of energy conservation, chemical engineering, aviation and the like.
本发明属于气凝胶材料的制备工艺领域，涉及一种块状耐高温莫来石陶瓷气凝胶材料的制备方法；尤其设计一种溶胶‑凝胶法结合超临界干燥工艺及热处理工艺条件制备块状耐高温莫来石气凝胶的方法。该方法利用廉价的原材料和简单的制备工艺制备出块状耐高莫来石陶瓷气凝胶，将气凝胶在空气中的耐温性提升至1300℃，在节能、化工、航空等领域具有重大的应用前景。
Preparation method of blocky high-temperature-resistant mullite ceramic aerogel
The invention belongs to the field of preparation processes of aerogel materials, and relates to a preparation method of a blocky high-temperature-resistant mullite ceramic aerogel material. In particular to a method for preparing blocky high-temperature-resistant mullite aerogel by combining a sol-gel method with a supercritical drying process and a heat treatment process. According to the method, the blocky high-temperature-resistant mullite ceramic aerogel is prepared by utilizing cheap raw materials and a simple preparation process, the temperature resistance of the aerogel in air is improved to 1300 DEG C, and the blocky high-temperature-resistant mullite ceramic aerogel has great application prospects in the fields of energy conservation, chemical engineering, aviation and the like.
本发明属于气凝胶材料的制备工艺领域，涉及一种块状耐高温莫来石陶瓷气凝胶材料的制备方法；尤其设计一种溶胶‑凝胶法结合超临界干燥工艺及热处理工艺条件制备块状耐高温莫来石气凝胶的方法。该方法利用廉价的原材料和简单的制备工艺制备出块状耐高莫来石陶瓷气凝胶，将气凝胶在空气中的耐温性提升至1300℃，在节能、化工、航空等领域具有重大的应用前景。
Preparation method of blocky high-temperature-resistant mullite ceramic aerogel
一种块状耐高温莫来石陶瓷气凝胶的制备方法
WU XIAODONG (author) / CUI SHENG (author) / SU CONGXUAN (author) / WANG JIE (author) / MA YUECHENG (author) / HAO WENKE (author)
2023-04-18
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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