Higher dielectric properties of semiconducting biopolymer composites of poly(3-hydroxy butyrate) (PHB) with polyaniline (PANI), carbon black, and plasticizer

Higher dielectric properties of semiconducting biopolymer composites of poly(3-hydroxy butyrate)... Four composites of PHB, with varying amounts of PANI, carbon black (CB), and a tributyl O-acetylcitrate were prepared by solvent casting and then melted to form films by hydraulic hot press. The morphology, thermal properties, and electrical conductivity of PHB were studied by TEM, DSC, four-point probe, LCR bridge, FT-IR, and WAXD. The values of ε′ and ε″ had a higher values with the addition of PANI/CB compared to pure PHB. The conductivity increased from 10−15 to 10−6 S cm−1 and increased with raised the temperature similar semiconductor. TEM showed good dispersion of PANI and CB and no agglomerations in the PHB matrix. The new PHB composites can be applied in the medical and electronics industries in the near future. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Polymer Bulletin Springer Journals

Higher dielectric properties of semiconducting biopolymer composites of poly(3-hydroxy butyrate) (PHB) with polyaniline (PANI), carbon black, and plasticizer

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Springer-Verlag GmbH Germany
Subject
Chemistry; Polymer Sciences; Soft and Granular Matter, Complex Fluids and Microfluidics; Characterization and Evaluation of Materials; Physical Chemistry; Organic Chemistry
ISSN
0170-0839
eISSN
1436-2449
D.O.I.
10.1007/s00289-017-2118-8
Publisher site
See Article on Publisher Site

Abstract

Four composites of PHB, with varying amounts of PANI, carbon black (CB), and a tributyl O-acetylcitrate were prepared by solvent casting and then melted to form films by hydraulic hot press. The morphology, thermal properties, and electrical conductivity of PHB were studied by TEM, DSC, four-point probe, LCR bridge, FT-IR, and WAXD. The values of ε′ and ε″ had a higher values with the addition of PANI/CB compared to pure PHB. The conductivity increased from 10−15 to 10−6 S cm−1 and increased with raised the temperature similar semiconductor. TEM showed good dispersion of PANI and CB and no agglomerations in the PHB matrix. The new PHB composites can be applied in the medical and electronics industries in the near future.

Journal

Polymer BulletinSpringer Journals

Published: Jul 13, 2017

References

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