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Das Biopolymer Pectin kann leicht aus Apfelschalen extrahiert werden und dient als effizientes Verstärkungsmaterial für SiO2‐Aerogele. In der Zuschrift auf S. 14490 ff. beschreiben M. M. Koebel, T. Budtova et al. ein Eintopfverfahren zur Herstellung von monolithischen, thermisch superisolierenden SiO2‐Hybridaerogelen durch Kogelieren von Pectin und Kieselsäure, Nachbehandeln und überkritisches Trocknen...
Silica aerogels are excellent thermal insulators, but their brittle nature has prevented widespread application. To overcome these mechanical limitations, silica–biopolymer hybrids are a promising alternative. A one‐pot process to monolithic, superinsulating pectin–silica hybrid aerogels is presented. Their structural and physical properties can be tuned by adjusting the gelation pH and pectin concentration...
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