<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Polyimide/polyaniline nanofiber composites were prepared by in situ polymerization with various weight percentages of polyaniline (PANI) nanofibers. X-ray diffraction (XRD) and Fourier transform infrared spectra (FT-IR), proved the successful preparation of PANI nanofiber composite films. In addition, thermal stability of PI/PANI nanofiber composites was superior relative to PI, having 10 % gravimetric loss in the range of 623 °C to 671 °C and glass transition temperature of 289 °C to 297 °C. Furthermore, the values of the loss tangent tanδ and AC conductivity σAC of the nanocomposite films were notably higher than those of pure polyimide. The addition of 5 wt.% to 15 wt.% PANI nanofiber filler enhanced the activation energy of PI composites from 0.37 eV to 0.34 eV.</p></abstract>

Polyimide/polyaniline nanofiber composites were prepared by in situ polymerization with various weight percentages of polyaniline (PANI) nanofibers. X-ray diffraction (XRD) and Fourier transform infrared spectra (FT-IR), proved the successful preparation of PANI nanofiber composite films. In addition, thermal stability of PI/PANI nanofiber composites was superior relative to PI, having 10 % gravimetric loss in the range of 623 °C to 671 °C and glass transition temperature of 289 °C to 297 °C. Furthermore, the values of the loss tangent tanδ and AC conductivity σAC of the nanocomposite films were notably higher than those of pure polyimide. The addition of 5 wt.% to 15 wt.% PANI nanofiber filler enhanced the activation energy of PI composites from 0.37 eV to 0.34 eV.

Thermal and electrical properties of polyimide/PANI nanofiber composites prepared via in situ polymerization

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Polyimide/polyaniline nanofiber composites were prepared by in situ polymerization with various weight percentages of polyaniline (PANI) nanofibers. X-ray...

Thermal and electrical properties of polyimide/PANI nanofiber composites prepared via in situ polymerization

Publié en ligne: 25 juin 2018

Pages: 283 - 287

Reçu: 08 sept. 2017

Accepté: 15 mars 2018

DOI: https://doi.org/10.2478/msp-2018-0047

Mots clés
polyimide, polyaniline nanofiber, in situ polymerization, PI/PANI nanofiber composite films

© 2018 Aseel A. Kareem, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Thermal and electrical properties of polyimide/PANI nanofiber composites prepared via in situ polymerization

Publié en ligne: 25 juin 2018

Pages: 283 - 287

Reçu: 08 sept. 2017

Accepté: 15 mars 2018

DOI: https://doi.org/10.2478/msp-2018-0047

Mots cléspolyimide, polyaniline nanofiber, in situ polymerization, PI/PANI nanofiber composite films

© 2018 Aseel A. Kareem, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
polyimide, polyaniline nanofiber, in situ polymerization, PI/PANI nanofiber composite films