Thermal Gelation for Synthesis of Surface-Modified Silica Aerogel Powders

Thermal Gelation for Synthesis of Surface-Modified Silica Aerogel Powders

A spherical silica aerogel powder with hydrophobic surfaces displaying a water contact angle of 147° was synthesized from a water glass-in-hexane emulsion through ambient pressure drying. Water glass droplets containing acetic acid and ethyl alcohol were stabilized in <i>n</i>-hexane wit...

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Bibliographic Details
Main Authors: Kyoung-Jin Lee, Jae Min Lee, Ki Sun Nam, Haejin Hwang
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Gels
Subjects:
silica aerogel
thermal gelation
porous
thermal conductivity
hydrophobicity
Online Access:https://www.mdpi.com/2310-2861/7/4/242

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