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HomeMaterials Science ForumMaterials Science Forum Vol. 849SiO2 Cryogel Dispersion in Organic Solvent for the...

SiO₂ Cryogel Dispersion in Organic Solvent for the Application as Transparent Heat Insulation Coating on PET

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Abstract:

SiO₂ cryogels (SCG) with a low thermal conductivity was used for transparent heat insulation coatings. SCG dispersion in organic solvent was prepared by sand milling, and the paint was composed of SCG dispersion as a functional filler and polyacylic resin as a binder. The paint was coated on PET film and then pasted on a glass substrate to form the filmed glass. The results showed that the particle sizes of SCG in the dispersion were almost below 100 nm, and the organic dispersion had a good stability. The coating with SCG dispersion exhibited a remarkable shielding effect in the near infrared waveband as well as a high transmittance above 80% in the visible light. The heat insulation temperature of SCG filmed glass was 4 °C compared with the blank glass. The transparent heat insulation coating with SCG will be developed for solar control and energy saving applications.

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Periodical:

Materials Science Forum (Volume 849)

Pages:

732-737

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.849.732

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Online since:

March 2016

Authors:

Jia You Xu, Jian Hua Zhou, Lei Miao

Keywords:

Dispersion, Filmed Glass, Silica Cryogel, Transparent Heat Insulation

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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