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Preparing method for wave-transparent closed-cell beryllium-containing silicon carbide foamed ceramic
The invention relates to a preparing method for wave-transparent closed-cell beryllium-containing silicon carbide foamed ceramic, and belongs to the field of preparing special functional materials. The preparing method includes the steps that beryllium-containing polycarbosilane powder is used as a precursor of the beryllium-containing silicon carbide foamed ceramic and is evenly mixed with polyalcohol, a catalyst and the like at a certain ratio, then isocyanate is added, the mixture is fully stirred, injected into a mold, foamed and cured at the room temperature, and a finished product is obtained through pre-oxidation and ceramization treatment. The preparing method is simple in process, and the obtained product is high in wave-transparent performance and heat insulation performance and excellent in mechanical property.
Preparing method for wave-transparent closed-cell beryllium-containing silicon carbide foamed ceramic
The invention relates to a preparing method for wave-transparent closed-cell beryllium-containing silicon carbide foamed ceramic, and belongs to the field of preparing special functional materials. The preparing method includes the steps that beryllium-containing polycarbosilane powder is used as a precursor of the beryllium-containing silicon carbide foamed ceramic and is evenly mixed with polyalcohol, a catalyst and the like at a certain ratio, then isocyanate is added, the mixture is fully stirred, injected into a mold, foamed and cured at the room temperature, and a finished product is obtained through pre-oxidation and ceramization treatment. The preparing method is simple in process, and the obtained product is high in wave-transparent performance and heat insulation performance and excellent in mechanical property.
Preparing method for wave-transparent closed-cell beryllium-containing silicon carbide foamed ceramic
HUANG XIAOZHONG (author) / XIAO LUJUN (author) / DU ZUOJUAN (author) / XU SHENWEI (author)
2016-01-20
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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