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Aerogels-Airy Materials: Chemistry, Structure, and Properties.
Nicola Hüsing,Ulrich S. Schubert +1 more
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The design of such a filigrane network requires the very careful control of chemical parameters and the reward is an assortment of different property profiles owing to the richness of possible variations.Abstract:
Air, air, air… and some solid skeleton; this is the basis for an interesting class of materials-the aerogels (shown schematically on the right). Can one therefore speak of "simple" chemistry? The design of such a filigrane network requires the very careful control of chemical parameters. The reward is an assortment of different property profiles owing to the richness of possible variations.read more
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Synthesis of polyimide cross-linked silica aerogels with good acoustic performance
TL;DR: Polyimide cross-linked silica gels with different weight percentages of solid precursors and different volumes of MTMS were prepared by using bis(trimethoxysilylpropyl)amine (BTMSPA) crosslinked polyamide acid, synthesized by 4,4′-oxydianiline (ODA), p-phenylenediamine (PPDA), compounding with a silica network which was hydrolysed by MTMS, then supercritically dried to produce a hybrid aerogel as discussed by the authors.
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Cellular mesoscopically organized silica monoliths with tailored surface chemistry by one-step drying/extraction/surface modification processes
TL;DR: In this paper, large, low density silica monoliths with a hierarchical organisation of macro-and periodically arranged mesopores were obtained in a one-step procedure by treatment of as-synthesized wet gels with trimethylchlorosilane.
Oxidation−Stable Plasmonic Copper Nanoparticles in Photocatalytic TiO 2 Nanoarchitectures
Paul A. DeSario,Jeremy J. Pietron,Todd Brintlinger,Joseph F. Parker,Olga A. Baturina,Rhonda M. Stroud,Debra R. Rolison +6 more
TL;DR: In this paper, the plasmonic behavior of Cu nanoparticles was investigated in a nanoscale Cu/TiO2 composite aerogel, where each Cu nanoparticle is in contact with multiple nanoparticles of the reducing oxide.
Journal ArticleDOI
Synthesis and Characterization of Fibre Reinforced Silica Aerogel Blankets for Thermal Protection
TL;DR: Using tetraethoxysilane (TEOS) as the source of silica, fibre reinforced silica aerogels were synthesized via fast ambient pressure drying using methanol, trimethylchlorosilane, ammonium fluoride (NH4F), and hexane as discussed by the authors.
Journal ArticleDOI
Sorption capacity of hydrophobic cellulose cryogels silanized by two different methods
TL;DR: In this article, the development of hydrophobic cellulose cryogels for application in petroleum sorption was studied, where the most effective silanization method was by vapor deposition where the petroleum capacity was 50% higher than by the cellulose addition method using methyltrimethoxysilane (MTMS).