Departmental Bulletin Paper 種々の乾燥法を用いたシリカエアロゲルの作製
Preparation of Silica Aerogel by Different Kinds of Drying Methods

王, 嘉墨  ,  林, 一成  ,  片桐, 成人  ,  安達, 信泰  ,  太田, 敏孝

Aerogel is an ultra-porous material derived from a gel, in which the liquid component of the gel has been replaced with air. Usually it is prepared by a supercritical drying using carbon dioxide. In this study, we tried to prepare aerogel by other drying, that is, by a solvent-exchange treatment and then a heat-drying at ambient pressure, and by a freeze-drying with an antifreeze protein. Some samples had many macropores like the aerogel prepared by the supercritical drying.

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