System for preparing silica aerogel powder
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United States of America Patent
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Aug 27, 2013
Grant Date -
Sep 27, 2012
app pub date -
Jun 16, 2011
filing date -
Mar 23, 2011
priority date (Note) -
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Abstract
A system for preparing silica aerogel powders. The system includes a material supplier, a mixer, a drier and a recoverer. The material supplier transmitting de-ionized water, water glass, an organosilane compound, an inorganic acid and at least one organic solvent. Some of organic solvents are mixed and transmitted to the mixer and tramining organic solvent is transmitted to the mixer. The mixer mixes the materials transmitted from the material supplier so as to generate silica hydrogel. The drier dries the silica hydrogel so as to generate silica aerogel powders. The recoverer recovers some vaporized materials of the materials used in the mixer and the drier.
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