Polyimides: Synthesis Properties, Characterization and Applications

Hajipour, Abdol R.; Rafiee, Fatemeh; Azizi, Ghobad

doi:10.1002/9781118229064.ch8

Handbook of Engineering and Specialty Thermoplastics 2011

DOI: 10.1002/9781118229064.ch8

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Polyimides: Synthesis Properties, Characterization and Applications

Abdol R. Hajipour

Fatemeh Rafiee

Ghobad Azizi

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Cited by 2 publications

References 162 publications

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Harnessing machine learning for high-throughput screening of high thermal conductivity polyimides: A multiscale feature engineering approach

Han,

Ying,

Cao

et al. 2025

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Harnessing machine learning for high-throughput screening of high thermal conductivity polyimides: A multiscale feature engineering approach

Han,

Ying,

Cao

et al. 2025

Next Materials

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Synthesis and high-temperature energy storage performances of fluorinated polyimides

Yan,

Wang,

Zhang

et al. 2024

AIP Advances

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In light of the increasingly stringent requirements for the applications of light-weight flexible high-temperature-resistant dielectric materials in the fields of aerospace, electronics, and electric vehicles, the imperative lies in the development of dielectric materials with high discharged energy density, enduring temperature resistance and high reliability. This work introduced side-chain trifluoromethyl (–CF3) groups into high-temperature engineering polymer polyimides and conducted comprehensive studies on the breakdown and energy storage capabilities. The introduction of bulky –CF3 substituents reduces the intermolecular interactions, increases the free volume, and suppresses the high-temperature leakage conductance loss by decreasing the formation of intermolecular charge transfer complexes between polymer chains. As a result, the fluorinated polyimides (PFI) with lower dielectric constant exhibit enhanced breakdown strengths (730 MV m−1 at 25 °C; 630 MV m−1 at 150 °C), leading to a high discharged energy density of 3.6 J cm−3 (∼1.7 times of pristine polyimides), alongside a charge-discharge energy efficiency of ∼80% at 150 °C. These findings underscore the great potential of PFI for applications in the field of high-temperature energy storage.

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Polyimides: Synthesis Properties, Characterization and Applications

Cited by 2 publications

References 162 publications

Harnessing machine learning for high-throughput screening of high thermal conductivity polyimides: A multiscale feature engineering approach

Harnessing machine learning for high-throughput screening of high thermal conductivity polyimides: A multiscale feature engineering approach

Synthesis and high-temperature energy storage performances of fluorinated polyimides

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