Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Aerogel composite material as well as preparation method and application thereof
The invention relates to the technical field of aerogel, in particular to an aerogel composite material as well as a preparation method and application thereof. The preparation method of the aerogel composite material comprises the following steps: placing fibers and silica sol in a mold, conducting mixing, carrying out compression molding, conducting vacuumizing to remove bubbles in the silica sol, carrying out supercritical drying on the silica gel, and coating the surface of the silica gel with a film-forming polymer to prepare the aerogel composite material. The aerogel and the fiber are compounded, so that the mechanical property of the aerogel is improved, and the aerogel has relatively high mechanical strength. The invention further provides the aerogel composite material prepared by the method and application of the aerogel composite material.
本发明涉及气凝胶技术领域，具体而言，涉及一种气凝胶复合材料及其制备方法和应用。气凝胶复合材料的制备方法包括以下步骤：将纤维和硅溶胶置于模具内混合并压制成型后，抽真空以除去硅溶胶中的气泡，对硅凝胶进行超临界干燥后，使用成膜聚合物对硅凝胶表面镀膜，制备气凝胶复合材料。气凝胶与纤维复合提高了气凝胶的力学性能，使其具有较高的力学强度。本发明还提供了一种使用上述方法制得的气凝胶复合材料及其应用。
Aerogel composite material as well as preparation method and application thereof
The invention relates to the technical field of aerogel, in particular to an aerogel composite material as well as a preparation method and application thereof. The preparation method of the aerogel composite material comprises the following steps: placing fibers and silica sol in a mold, conducting mixing, carrying out compression molding, conducting vacuumizing to remove bubbles in the silica sol, carrying out supercritical drying on the silica gel, and coating the surface of the silica gel with a film-forming polymer to prepare the aerogel composite material. The aerogel and the fiber are compounded, so that the mechanical property of the aerogel is improved, and the aerogel has relatively high mechanical strength. The invention further provides the aerogel composite material prepared by the method and application of the aerogel composite material.
本发明涉及气凝胶技术领域，具体而言，涉及一种气凝胶复合材料及其制备方法和应用。气凝胶复合材料的制备方法包括以下步骤：将纤维和硅溶胶置于模具内混合并压制成型后，抽真空以除去硅溶胶中的气泡，对硅凝胶进行超临界干燥后，使用成膜聚合物对硅凝胶表面镀膜，制备气凝胶复合材料。气凝胶与纤维复合提高了气凝胶的力学性能，使其具有较高的力学强度。本发明还提供了一种使用上述方法制得的气凝胶复合材料及其应用。
Aerogel composite material as well as preparation method and application thereof
气凝胶复合材料及其制备方法和应用
WEI HUANYI (Autor:in) / QIU RUOXIANG (Autor:in) / LI WENHUAI (Autor:in) / DING PENG (Autor:in) / DUAN CHENGJIE (Autor:in) / LIN JIMING (Autor:in)
20.08.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
/
B28B
Formgeben von Ton oder anderen keramischen Stoffzusammensetzungen, Schlacke oder von Mischungen, die zementartiges Material enthalten, z.B. Putzmörtel
,
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
/
G21C
NUCLEAR REACTORS
,
Kernreaktoren
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