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A platform for research: civil engineering, architecture and urbanism
Heat-insulation shielding aerogel, heat-insulation shielding material and preparation method and application of heat-insulation shielding aerogel and heat-insulation shielding material
The invention provides heat-insulation shielding aerogel, a heat-insulation shielding material and a preparation method and application thereof, and relates to the field of shielding materials. The heat-insulation shielding aerogel provided by the invention is formed by mixing and processing functional shielding particles such as tetraethoxysilane and boron carbide, tetraethoxysilane is used as a matrix material of the aerogel, boron carbide is used as a thermal neutron absorber, and a heat-insulation shielding material prepared from the aerogel and a fiber preform has excellent heat-insulation performance and high-temperature stability; and meanwhile, the neutron shielding material also has certain anti-radiation performance and is suitable for neutron shielding in a high-temperature environment.
本发明提供一种隔热屏蔽气凝胶、隔热屏蔽材料及其制备方法和应用，涉及屏蔽材料领域。本发明提供的隔热屏蔽气凝胶由正硅酸乙酯、碳化硼等功能性屏蔽粒子混合加工而成，其中正硅酸乙酯作为气凝胶的基体材料，碳化硼作为热中子吸收剂，将其与纤维预制件共同制备的隔热屏蔽材料具有优秀的隔热性能、高温稳定性，同时也兼具一定的防辐射性能，适用于高温环境下的中子屏蔽。
Heat-insulation shielding aerogel, heat-insulation shielding material and preparation method and application of heat-insulation shielding aerogel and heat-insulation shielding material
The invention provides heat-insulation shielding aerogel, a heat-insulation shielding material and a preparation method and application thereof, and relates to the field of shielding materials. The heat-insulation shielding aerogel provided by the invention is formed by mixing and processing functional shielding particles such as tetraethoxysilane and boron carbide, tetraethoxysilane is used as a matrix material of the aerogel, boron carbide is used as a thermal neutron absorber, and a heat-insulation shielding material prepared from the aerogel and a fiber preform has excellent heat-insulation performance and high-temperature stability; and meanwhile, the neutron shielding material also has certain anti-radiation performance and is suitable for neutron shielding in a high-temperature environment.
本发明提供一种隔热屏蔽气凝胶、隔热屏蔽材料及其制备方法和应用，涉及屏蔽材料领域。本发明提供的隔热屏蔽气凝胶由正硅酸乙酯、碳化硼等功能性屏蔽粒子混合加工而成，其中正硅酸乙酯作为气凝胶的基体材料，碳化硼作为热中子吸收剂，将其与纤维预制件共同制备的隔热屏蔽材料具有优秀的隔热性能、高温稳定性，同时也兼具一定的防辐射性能，适用于高温环境下的中子屏蔽。
Heat-insulation shielding aerogel, heat-insulation shielding material and preparation method and application of heat-insulation shielding aerogel and heat-insulation shielding material
一种隔热屏蔽气凝胶、隔热屏蔽材料及其制备方法和应用
XU XIAOHUI (author) / LI XIAOLING (author) / NIE LINGXIAO (author) / LI WENBO (author) / YU MING (author)
2022-03-08
Patent
Electronic Resource
Chinese
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