Fast and scalable production of crosslinked polyimide aerogel …
2023年12月16日 · Polyimide aerogel fibers hold promise for intelligent thermal management fabrics, but their scalable production faces challenges due to the sluggish gelation kinetics and the weak backbone...
Durable Polyimide Aerogels | T2 Portal - NASA
Glenn's durable polyimide aerogels combine the robust nature of a polyimide network with low thermal and sound conductivity. This unique combination of strength, flexibility, and exceptional insulating properties make these aerogels ideal for insulation (thermal, electrical, and acoustic), structural elements and more - at a fraction of the ...
Super-elasticity at 4 K of covalently crosslinked polyimide aerogels ...
2021年7月2日 · In this work, super-elasticity at a deep cryogenic temperature of covalently crosslinked polyimide (PI) aerogels is achieved based on scalable and low-cost directional dimethyl sulfoxide...
Polyimide aerogels for ballistic impact protection
2022年8月17日 · The ballistic performance of edge-clamped monolithic polyimide aerogel blocks (12 mm thickness) has been studied through a series of impact tests using a helium-filled gas gun connected to a...
Heterogeneous silica-polyimide aerogel-in-aerogel …
2022年9月1日 · This study reports the development of heterogeneous polyimide-silica aerogel composites by compounding micrometer-sized silica aerogel particles into the polyimide aerogel by using an efficient mixing manor that prevents excessive infiltration of …
Recent progress on polyimide aerogels against shrinkage: a review
2022年7月18日 · Polyimide aerogels are promising for diverse applications owing to their nanoporous structure and superior performance in thermal insulation, dielectric protection, etc.
Polyimide aerogels • Entire aerogel skeletal architecture synthesized from a polymer should be flexible as a thin film • Polyimides are known for their high temperature stability • Family of polymer aerogels made by cross-linking polyimide oligomers to form gel network • Supercritical fluid extraction to remove liquid from gels 11
Double‐Phase‐Networking Polyimide Hybrid Aerogel with …
2024年7月2日 · Here, a novel “double-phase-networking” strategy is proposed for fabricating a lightweight and mechanically robust polyimide hybrid aerogel by forming silica–zirconia-phase networking skeletons, which possess exceptional dimensional stability in high-temperature environments and superior thermal insulation.
Construction of polyimide composite aerogels via multi …
2024年6月1日 · The fabrication of polyimide (PI) composite aerogels can promote and optimize the characteristics and performance efficiency. But in fact, interface effect and assembly technique are the key problems in preparing PI composite aerogels.
Highly Robust, Processable and Multi-functional PDMS
6 天之前 · Rigid and flexible polyimide aerogels with less fatigue for use in harsh conditions. Chemical Engineering Journal, 428 (2022), Article 131193. View PDF View article View in Scopus Google Scholar [16] Wu M., Geng H., Hu Y., Ma H., Yang C., Chen H., et al. Superelastic graphene aerogel-based metamaterials.
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