The invention discloses a flexible high-temperature-resistant composite thermal protection part and a manufacturing method thereof, the protection part comprises an ablation-resistant layer and a flame-retardant aluminum foil composite glass fiber cloth layer, and the ablation-resistant layer is an aerogel felt formed by coating an aerogel impregnation liquid on a polyester fiber felt after surface treatment. The flexible high-temperature-resistant composite thermal protection part produced by the invention is excellent in aging resistance and light in weight, can adapt to long-time thermal insulation at medium and high temperatures, and can be kept for 1100 seconds at the environment temperature of 230-260 DEG C, and the temperature of the outer surface of a thermal protection instrument is lower than 55 DEG C.
本发明公开了一种柔性耐高温复合热防护件及其制作方法,该防护件包括耐烧蚀层和阻燃型铝箔复合玻璃纤维布层,所述耐烧蚀层为将涤纶纤维毡表面处理后涂覆气凝胶浸渍液固化形成气凝胶毡。采用本发明生产出来的柔性耐高温复合热防护件耐老化性能优异,质量轻,能适应中、高温长时防隔热,可以在230~260℃环境温度下保持1100秒,而防热仪器外表面温度低于55℃。
Flexible high-temperature-resistant composite thermal protection part and manufacturing method thereof
一种柔性耐高温复合热防护件及其制作方法
2024-11-12
Patent
Electronic Resource
Chinese
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