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Preparing Silica Aerogel Monoliths via a Rapid Supercritical Extraction Method
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JoVE Journal Química
Preparing Silica Aerogel Monoliths via a Rapid Supercritical Extraction Method

Preparing Silica Aerogel Monoliths via a Rapid Supercritical Extraction Method

DOI:
10.3791/51421-v

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06:54 min

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February 28, 2014

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, ,
1Department of Chemistry,Union College, 2Department of Mechanical Engineering,Union College

Capítulos

  • 00:05Título
  • 01:31Prepare Reagents and Other Supplies
  • 02:21Prepare Instruments and Seal Mold Bottom
  • 03:06Make Precursor Solution
  • 03:57Pour Precursor Solution into the Mold in the Hot Press and Remove the Aerogels from the Mold
  • 04:59Results: Fabrication of Silica Aerogels via Rapid Supercritical Extraction
  • 05:57Conclusion

Summary

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This article describes a rapid supercritical extraction method for fabricating silica aerogels. By utilizing a confined mold and hydraulic hot press, monolithic aerogels can be made in eight hours or less.

Tags

Keywords: Silica AerogelMonolithRapid Supercritical ExtractionTetramethylorthosilicate (TMOS)Sol-gelMesoporousAerogel Properties

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