Analysis on thermally stimulated currents in polyethylene-terephthalate and polyethylene-naphthalate

Peng Yang, Yoshimichi Ohki, Fuqiang Tian

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2 Citations (Scopus)

    Abstract

    Through analysis of thermally stimulated polarization and depolarization currents (TSPC and TSDC), dielectric properties of polyethylene terephthalate (PET) and polyethylene naphthalate (PEN) are compared. Since the two polymers have very similar chemical structures, their dielectric properties are also similar. However, the temperature at which TSPC or TSDC starts to increase rapidly is about 20 °C higher in PEN than in PET. This difference is mostly due to the fact that the glass transition temperature Tg is higher in PEN. This means that thermal properties including the glass transition affect significantly the dielectric behavior of PET and PEN. At temperatures about 30 °C lower than Tg, the two polymers show a hump in their first-run TSPC spectra, probably originating from impurity or moisture. It is also clearly demonstrated that both PET and PEN can be reliable electrical insulating materials, especially at temperatures below their Tg's.

    Original languageEnglish
    Title of host publicationProceedings of the International Symposium on Electrical Insulating Materials
    PublisherInstitute of Electrical Engineers of Japan
    Pages401-404
    Number of pages4
    ISBN (Print)9784886860866
    DOIs
    Publication statusPublished - 2014
    Event2014 International Symposium on Electrical Insulating Materials, ISEIM 2014 - Niigata
    Duration: 2014 Jun 12014 Jun 5

    Other

    Other2014 International Symposium on Electrical Insulating Materials, ISEIM 2014
    CityNiigata
    Period14/6/114/6/5

    Fingerprint

    Polyethylene Terephthalates
    Polyethylene
    Polyethylene terephthalates
    Polyethylenes
    Dielectric properties
    Polymers
    Insulating materials
    Depolarization
    Temperature
    Glass transition
    Moisture
    Thermodynamic properties
    Impurities
    Polarization

    Keywords

    • dielectric property
    • PEN
    • PET
    • thermally stimulated current (TSC)

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Electronic, Optical and Magnetic Materials

    Cite this

    Yang, P., Ohki, Y., & Tian, F. (2014). Analysis on thermally stimulated currents in polyethylene-terephthalate and polyethylene-naphthalate. In Proceedings of the International Symposium on Electrical Insulating Materials (pp. 401-404). [6870804] Institute of Electrical Engineers of Japan. https://doi.org/10.1109/ISEIM.2014.6870804

    Analysis on thermally stimulated currents in polyethylene-terephthalate and polyethylene-naphthalate. / Yang, Peng; Ohki, Yoshimichi; Tian, Fuqiang.

    Proceedings of the International Symposium on Electrical Insulating Materials. Institute of Electrical Engineers of Japan, 2014. p. 401-404 6870804.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Yang, P, Ohki, Y & Tian, F 2014, Analysis on thermally stimulated currents in polyethylene-terephthalate and polyethylene-naphthalate. in Proceedings of the International Symposium on Electrical Insulating Materials., 6870804, Institute of Electrical Engineers of Japan, pp. 401-404, 2014 International Symposium on Electrical Insulating Materials, ISEIM 2014, Niigata, 14/6/1. https://doi.org/10.1109/ISEIM.2014.6870804
    Yang P, Ohki Y, Tian F. Analysis on thermally stimulated currents in polyethylene-terephthalate and polyethylene-naphthalate. In Proceedings of the International Symposium on Electrical Insulating Materials. Institute of Electrical Engineers of Japan. 2014. p. 401-404. 6870804 https://doi.org/10.1109/ISEIM.2014.6870804
    Yang, Peng ; Ohki, Yoshimichi ; Tian, Fuqiang. / Analysis on thermally stimulated currents in polyethylene-terephthalate and polyethylene-naphthalate. Proceedings of the International Symposium on Electrical Insulating Materials. Institute of Electrical Engineers of Japan, 2014. pp. 401-404
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