Anisotropic and Lightweight Silica Aerogel-Doped Copolymerized Polyimide Foams Fabricated by Combining Microwave-Assisted Foaming and Freeze-Drying for High-Temperature Thermal Insulation and Hydrophobic Applications.
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DOI: 10.1021/acsami.5c09574
Abstract: A series of silica aerogel (SiA)-containing copolymerized polyimide composite foams were prepared by combining microwave-assisted foaming with vacuum/ultrasound-assisted impregnation and freeze-drying methods. The fluorinated polyimide foams (F-PIF) featuring "bottom-up" directional growth of pores and uniform… read more here.
Keywords: silica aerogel; thermal insulation; sia; copolymerized polyimide ... See more keywords