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硅石气凝胶老化的新方法

Henan Chemical Industry(2008)

Cited 23|Views19
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Abstract
本研究用一种在较高温度和较高压力下正硅酸乙酯的碱性溶液中老化湿硅凝胶的方法,得到的硅石气凝胶无裂纹,比表面积高达983 m2/g,孔体积为6.09 mL/g,孔隙率为91.8%,并与常规的老化方法作了比较。
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Key words
supercritical drying,silica aerogel,aging
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