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Heat-insulating and high-temperature-resistant aerogel gradient composite material and preparation method thereof

GAO QINGFU / YANG BIN / ZHANG SIZHAO / XIONG XI / LI YONG

The invention discloses a heat-insulating and high-temperature-resistant aerogel gradient composite material and a preparation method thereof. According to the aerogel gradient composite material, ethyl alcohol and deionized water serve as solvents, a silicon source is fully dissolved, then an acid catalyst is used, inorganic fibers serve as fiber reinforcements, and through sol-gel, aging and solvent replacement methods, the gradient composite material final-state gel is prepared and is subjected to carbon dioxide supercritical drying treatment, and finally the heat-insulating and high-temperature-resistant aerogel gradient composite material is obtained.

本发明公开了一种隔热、耐高温气凝胶梯度复合材料及其制备方法，该气凝胶梯度复合材料，以乙醇、去离子水作为溶剂，充分溶解硅源，再用酸性催化剂，以无机纤维作为纤维增强体，通过溶胶‑凝胶、老化、溶剂置换的方法，制得梯度复合材料终态凝胶，经二氧化碳超临界干燥处理，最终得到隔热、耐高温气凝胶梯度复合材料。

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Heat-insulating and high-temperature-resistant aerogel gradient composite material and preparation method thereof

GAO QINGFU / YANG BIN / ZHANG SIZHAO / XIONG XI / LI YONG

The invention discloses a heat-insulating and high-temperature-resistant aerogel gradient composite material and a preparation method thereof. According to the aerogel gradient composite material, ethyl alcohol and deionized water serve as solvents, a silicon source is fully dissolved, then an acid catalyst is used, inorganic fibers serve as fiber reinforcements, and through sol-gel, aging and solvent replacement methods, the gradient composite material final-state gel is prepared and is subjected to carbon dioxide supercritical drying treatment, and finally the heat-insulating and high-temperature-resistant aerogel gradient composite material is obtained.

本发明公开了一种隔热、耐高温气凝胶梯度复合材料及其制备方法，该气凝胶梯度复合材料，以乙醇、去离子水作为溶剂，充分溶解硅源，再用酸性催化剂，以无机纤维作为纤维增强体，通过溶胶‑凝胶、老化、溶剂置换的方法，制得梯度复合材料终态凝胶，经二氧化碳超临界干燥处理，最终得到隔热、耐高温气凝胶梯度复合材料。

Heat-insulating and high-temperature-resistant aerogel gradient composite material and preparation method thereof

GAO QINGFU / YANG BIN / ZHANG SIZHAO / XIONG XI / LI YONG

The invention discloses a heat-insulating and high-temperature-resistant aerogel gradient composite material and a preparation method thereof. According to the aerogel gradient composite material, ethyl alcohol and deionized water serve as solvents, a silicon source is fully dissolved, then an acid catalyst is used, inorganic fibers serve as fiber reinforcements, and through sol-gel, aging and solvent replacement methods, the gradient composite material final-state gel is prepared and is subjected to carbon dioxide supercritical drying treatment, and finally the heat-insulating and high-temperature-resistant aerogel gradient composite material is obtained.

本发明公开了一种隔热、耐高温气凝胶梯度复合材料及其制备方法，该气凝胶梯度复合材料，以乙醇、去离子水作为溶剂，充分溶解硅源，再用酸性催化剂，以无机纤维作为纤维增强体，通过溶胶‑凝胶、老化、溶剂置换的方法，制得梯度复合材料终态凝胶，经二氧化碳超临界干燥处理，最终得到隔热、耐高温气凝胶梯度复合材料。

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Titel:

Heat-insulating and high-temperature-resistant aerogel gradient composite material and preparation method thereof

Weitere Titelangaben:

一种隔热、耐高温气凝胶梯度复合材料及其制备方法

Beteiligte:

GAO QINGFU (Autor:in) / YANG BIN (Autor:in) / ZHANG SIZHAO (Autor:in) / XIONG XI (Autor:in) / LI YONG (Autor:in)

Erscheinungsdatum:

25.05.2021

Medientyp:

Patent

Format:

Elektronische Ressource

Sprache:

Chinesisch

Klassifikation:

IPC: C04B Kalk , LIME / C01B NON-METALLIC ELEMENTS , Nichtmetallische Elemente

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