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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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Assembly of BaTiO3 Nanocrystals into Macroscopic Aerogel Monoliths with High Surface Area
TL;DR: A strategy is presented for the controlled destabilization of concentrated dispersions of BaTiO3 nanoparticles, resulting in the assembly of the fully crystalline building blocks into cylindrically shaped monolithic gels, thereby combining the inherent properties of ternary oxides with the highly porous microstructure of aerogels.
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Flexible Aerogels From Hyperbranched Polyurethanes: Probing the Role of Molecular Rigidity with Poly(Urethane Acrylates) vs. Poly(Urethane Norbornenes)
TL;DR: In this paper, the molecular connection of macroscopic flexibility using polymeric aerogels based on star-shaped polyurethane-acrylate versus urethane-norbornene monomers was investigated.
Journal ArticleDOI
Lightweight and Ultrastrong Polymer Foams with Unusually Superior Flame Retardancy
Linli Xu,Linhong Xiao,Pan Jia,Karel Goossens,Peng Liu,Hui Li,Chungui Cheng,Yong Huang,Christopher W. Bielawski,Jianxin Geng +9 more
TL;DR: It is shown that isocyanate-based polyimide (PI) foam, a flammable material, can exhibit unusually superior flame retardancy as well as other excellent properties, such as being lightweight and displaying high mechanical strength, by incorporating red phosphorus (RP)-hybridized graphene.
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Strong, Machinable, and Insulating Chitosan–Urea Aerogels: Toward Ambient Pressure Drying of Biopolymer Aerogel Monoliths
Natalia Guerrero-Alburquerque,Natalia Guerrero-Alburquerque,Shanyu Zhao,Nour Adilien,Matthias M. Koebel,Marco Lattuada,Wim J. Malfait +6 more
TL;DR: This first demonstration to produce monolithic and machinable, mesoporous aerogels from bio-sourced, renewable, non-toxic precursors, combined with the potential for reduced production cost by means of simple APD, opens up new opportunities for biopolymer aerogel applications and marks an important step towards commercialization of biopolymers Aerogels.