2008 | OriginalPaper | Buchkapitel
Organically Modified Monolithic Silica Aerogels
Aktivieren Sie unsere intelligente Suche, um passende Fachinhalte oder Patente zu finden.
Wählen Sie Textabschnitte aus um mit Künstlicher Intelligenz passenden Patente zu finden. powered by
Markieren Sie Textabschnitte, um KI-gestützt weitere passende Inhalte zu finden. powered by (Link öffnet in neuem Fenster)
Organically modified silica aerogels have been prepared by sol-gel processing of methanolic solutions of R’Si(OR)
3
/ Si(OR)
4
mixtures (R = 3-methacryloxypropyl or 2-aminoethyl-3-aminopropyl groups), followed by supercritical drying with carbon dioxide. The resulting material is characterized by a very low density (0.14–0.27 g·cm
−1
), high porosity and surface areas from 250 to 600 m
2
·g
−1
depending on the kind of organic moiety used. The organic groups are easily accessible for further reactions.