A fast synthesis of silica aerogel powders-based on water glass via ambient drying
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Sol-Gel Science and Technology"
DOI: 10.1007/s10971-017-4312-4
Abstract: In this paper, we report the experimental results of the silica aerogel powders prepared by water glass and ambient pressure drying within 4 h. Water glass was hydrolyzed in water using HCl as the acid catalyst.… read more here.
Keywords: water; aerogel powders; silica aerogel; water glass ... See more keywords
Phase transfer agents facilitate the production of superinsulating silica aerogel powders by simultaneous hydrophobization and solvent- and ion-exchange
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2019.122421
Abstract: Abstract A fast and simple, one-step synthesis for the preparation of silica aerogel powders is reported. A waterglass based sol was prepared without prior ion-exchange and stirred with an immiscible organic phase (heptane) that contains… read more here.
Keywords: silica aerogel; phase transfer; hydrophobization; phase ... See more keywords
Spectral and Texture Properties of Hydrophobic Aerogel Powders Obtained from Room Temperature Drying
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DOI: 10.3390/molecules26061796
Abstract: Attenuated Total Reflectance Infrared (ATR-IR) spectroscopy and texture measurements based on nitrogen adsorption-desorption isotherms are combined to characterize silica aerogel granules with different degrees of hydrophobicity. The aerogels were prepared from tetraethoxysilane via a room… read more here.
Keywords: texture; aerogel powders; room temperature; texture properties ... See more keywords