Novel Polyetherimide Dielectrics: Molecular Design, Energy Storage Property, and Self‐Healing Performance
Shimo Cao,
Hui Tong,
Silin Wang
et al.
Abstract:The development of high‐temperature resistant dielectrics with excellent dielectric properties and self‐healing behavior is crucial for the application of metallized film capacitors. In this work, a series of polyetherimide (PEI) dielectric films are designed and fabricated. The introduction of polar groups is in favor to the increase of permittivity, and the flexible connection such as the ether group will facilitate the reduction of dielectric loss. Moreover, the oxygen elements are beneficial to the “self‐h… Show more
A facile strategy has been developed to produce semi-aromatic polyimides through direct in situ thermo-polymerization. The obtained polyimides exhibit favorable performances and are presented as potential candidates applied in microelectronics.
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