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Cryogenic heat insulation composite material and preparation method thereof
The invention provides a cryogenic heat insulation composite material which is a fiber felt material and comprises the following components in parts by mass: 100 parts of high-performance fiber, 10-40 parts of calcium silicate, 5-15 parts of iron silicate and 0.3-0.7 part of silicone oil, the high-performance fiber is one or more of alkali-free glass fiber, basalt fiber, aluminum magnesium fiber and silicon oxide fiber. The composite material is good in low-temperature performance, stable in structure at low temperature, low in volume shrinkage rate and good in heat insulation performance, and meets the cryogenic heat insulation requirement.
本发明提供了一种深冷绝热复合材料，该材料为纤维毡材，按质量计，包括以下组分：高性能纤维：100份，硅酸钙：10‑40份，硅酸铁：5‑15份，硅油：0.3‑0.7份；所述高性能纤维为无碱玻璃纤维、玄武岩纤维、铝镁质纤维和氧化硅纤维中的一种或者多种。该复合材料的低温性能好，在低温下结构稳定，体积收缩率低，绝热性能良好，满足深冷绝热要求。
Cryogenic heat insulation composite material and preparation method thereof
The invention provides a cryogenic heat insulation composite material which is a fiber felt material and comprises the following components in parts by mass: 100 parts of high-performance fiber, 10-40 parts of calcium silicate, 5-15 parts of iron silicate and 0.3-0.7 part of silicone oil, the high-performance fiber is one or more of alkali-free glass fiber, basalt fiber, aluminum magnesium fiber and silicon oxide fiber. The composite material is good in low-temperature performance, stable in structure at low temperature, low in volume shrinkage rate and good in heat insulation performance, and meets the cryogenic heat insulation requirement.
本发明提供了一种深冷绝热复合材料，该材料为纤维毡材，按质量计，包括以下组分：高性能纤维：100份，硅酸钙：10‑40份，硅酸铁：5‑15份，硅油：0.3‑0.7份；所述高性能纤维为无碱玻璃纤维、玄武岩纤维、铝镁质纤维和氧化硅纤维中的一种或者多种。该复合材料的低温性能好，在低温下结构稳定，体积收缩率低，绝热性能良好，满足深冷绝热要求。
Cryogenic heat insulation composite material and preparation method thereof
一种深冷绝热复合材料及其制备方法
CHEN DEDONG (author) / OU JUN (author) / DU LINHAI (author) / LIU ZUOLEI (author)
2023-11-10
Patent
Electronic Resource
Chinese
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