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Carbon fiber thermal insulation material and preparation method thereof
The invention belongs to the technical field of carbon fiber ceramic composite materials, and particularly relates to a carbon fiber thermal insulation material and a preparation method thereof. The carbon fiber thermal insulation material comprises at least one layer of carbon fiber non-woven stacking felt body, phenolic resin; and one or more of carbon black micro-powder spheres, silicon carbidemicro-powder spheres and hollow ceramic microspheres; one or more of the carbon black micro-powder spheres, the silicon carbide micro-powder spheres and the hollow ceramic micro-spheres are filled ingaps in the carbon fiber non-woven stacking felt body; and the carbon fiber thermal insulation material is also subjected to quasi-graphitization treatment. By adding the carbon black micro-powder spheres, the silicon carbide micro-powder spheres and/or the hollow ceramic micro-spheres, more micropores are formed in the carbon fiber non-woven stacked felt body, so that the carbon fiber non-wovenstacked felt body has higher scattering and absorbing effects on infrared radiation, and the high-temperature radiation conductivity of the material is remarkably reduced.
本发明属于碳纤维陶瓷复合材料技术领域，特别是涉及一种碳纤维隔热材料及其制备方法。包括，至少一层碳纤维非织造堆积毡体；酚醛树脂；炭黑微粉球、碳化硅微粉球、空心陶瓷微球中的一种或几种；所述炭黑微粉球、碳化硅微粉球、空心陶瓷微球中的一种或几种填充在碳纤维非织造堆积毡体内部的空隙中；所述碳纤维隔热材料，还经过准石墨化处理。通过炭黑微粉球、碳化硅微粉球和/或空心陶瓷微球的添加，从而在碳纤维非织造堆积毡体中形成更多微孔隙，从而使其对红外辐射有较高的散射和吸收作用，显著降低材料高温辐射传导率。
Carbon fiber thermal insulation material and preparation method thereof
The invention belongs to the technical field of carbon fiber ceramic composite materials, and particularly relates to a carbon fiber thermal insulation material and a preparation method thereof. The carbon fiber thermal insulation material comprises at least one layer of carbon fiber non-woven stacking felt body, phenolic resin; and one or more of carbon black micro-powder spheres, silicon carbidemicro-powder spheres and hollow ceramic microspheres; one or more of the carbon black micro-powder spheres, the silicon carbide micro-powder spheres and the hollow ceramic micro-spheres are filled ingaps in the carbon fiber non-woven stacking felt body; and the carbon fiber thermal insulation material is also subjected to quasi-graphitization treatment. By adding the carbon black micro-powder spheres, the silicon carbide micro-powder spheres and/or the hollow ceramic micro-spheres, more micropores are formed in the carbon fiber non-woven stacked felt body, so that the carbon fiber non-wovenstacked felt body has higher scattering and absorbing effects on infrared radiation, and the high-temperature radiation conductivity of the material is remarkably reduced.
本发明属于碳纤维陶瓷复合材料技术领域，特别是涉及一种碳纤维隔热材料及其制备方法。包括，至少一层碳纤维非织造堆积毡体；酚醛树脂；炭黑微粉球、碳化硅微粉球、空心陶瓷微球中的一种或几种；所述炭黑微粉球、碳化硅微粉球、空心陶瓷微球中的一种或几种填充在碳纤维非织造堆积毡体内部的空隙中；所述碳纤维隔热材料，还经过准石墨化处理。通过炭黑微粉球、碳化硅微粉球和/或空心陶瓷微球的添加，从而在碳纤维非织造堆积毡体中形成更多微孔隙，从而使其对红外辐射有较高的散射和吸收作用，显著降低材料高温辐射传导率。
Carbon fiber thermal insulation material and preparation method thereof
一种碳纤维隔热材料及其制备方法
SHANG TIANBAO (author)
2021-03-09
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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