Preparation and properties of mesoporous SiO2/polyimide composite films
Xue Cui,
Rong‐rong Zheng,
Jing‐ying Wang
et al.
Abstract:Although polyimide films have a low dielectric constant, with the advent of the 5G era, the dielectric properties of the material are required to be further improved. Therein, we prepared controlled hollow mesoporous SiO2 nanomicrospheres by the hard template method to make mesoporous low dielectric polyimide films. The composite membrane exhibits better thermal stability, mechanical properties, and hydrophobicity compared to the pure membrane. Hollow mesoporous SiO2 dispersed in polyimide can reduce the inhom… Show more
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