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Carbon nitride/polyimide porous film an NIPS method with advanced dielectric and hydrophobicity properties.
RSC Adv
May 2024
Department of Macromolecular Materials and Engineering, School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science 201620 Shanghai China
Herein, an ultra-low dielectric porous polyimide (PPI) composite film was fabricated by non-solvent induced phase separation (NIPS). High-performance carbon nitride nanosheets grafted by heptadecafluoro-1,1,2,2-tetradecyl-trimethoxysilane (CNNF) were incorporated into the PPI film to enhance thermomechanical and hydrophobic properties. The effects of non-solvent and filler content on the porous morphology, dielectric properties, hydrophobicity and thermomechanical properties of films were investigated.
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