Polyimide aerogels can be used for many aerospace and commercial applications because they have high porosity, low density, low thermal conductivity, and higher modulus. Properties of polyimide aerogels can be tailored depending on the structures of the oligomer backbones. Due to their low dielectric constant, flexible polyimide aerogels would be ideal to coat carbon nanotube wires and yarns for use as the low dielectric insulation layer for lightweight data cables. In this study, cross-linked polyimide aerogels with different backbone structures as coating on carbon nanotube wires were screened and examined. The effect of the polyimide backbone structure on the properties of the aerogel, including density, shrinkage, porosity, surface area, and mechanical properties were studied.

Polyimide aerogel coatings for carbon nanotube wire insulation

255th National Meeting (2018)

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