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Proceedings Paper

Improved monolithic aerogel for transparent glass spacer in innovative windows
Author(s): E. Elaloui; P. Achard; Bruno Chevalier; Jean-Luc Chevalier; M. Durant; G. M. Pajonk
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Paper Abstract

A collaborative research program is engaged to produce `super window' elements with monolithic silica aerogel used as a spacer between two glass panes. The first improvement is a new precursor called polyethoxysiloxane, for an easier and shorter process. This modification is followed by optical measurements, introducing a new concept: the `transparency ratio.' And we show how the diffuse part of the transmitted light may be corrected by the chemical composition and process. With the two further improvements (`in situ' production of aerogel and CO2 substitution method) we anticipate progress toward a high transparency of the final product.

Paper Details

Date Published: 25 November 1992
PDF: 11 pages
Proc. SPIE 1727, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Selective Materials, Concentrators and Reflectors, Transparent Insulation and Superwindows, (25 November 1992); doi: 10.1117/12.130528
Show Author Affiliations
E. Elaloui, Univ. Claude Bernard-Lyon I (France)
P. Achard, Ecole des Mines de Paris (France)
Bruno Chevalier, Centre Scientifique et Technique du Batiment (France)
Jean-Luc Chevalier, Centre Scientifique et Technique du Batiment (France)
M. Durant, Produits Chimiques Auxiliaires et de Synthese (France)
G. M. Pajonk, Univ. Claude Bernard-Lyon I (France)


Published in SPIE Proceedings Vol. 1727:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Selective Materials, Concentrators and Reflectors, Transparent Insulation and Superwindows

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