Photogenerated free radicals decay at different rates in crystalline and amorphous phases. Degree of crystallinity in polymer having both crystalline and amorphous phases measured indirectly by technique based in part on electron-spin-resonance (ESR) spectroscopy. Accuracy of crystallinity determined by new technique equals or exceeds similar determinations by differential scanning calorimetry, wide-angle x-ray scattering, or measurement of density.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen


    Exportieren, teilen und zitieren



    Titel :

    ESR Measurement Of Crystallinity In Semicrystalline Polymers


    Beteiligte:
    Kim, Soon Sam (Autor:in) / Tsay, Fun-Dow (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.09.1989



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Melt-Pressed Films of Insoluble Semicrystalline Polymers

    Tyeryar, J. R. / Jensen, B. J. / Fox, R. L. | NTRS | 1986


    Making Semicrystalline Polyimide Powders

    St. Clair, Terry L. / Chang, Alice | NTRS | 1994



    Characterization of semicrystalline polyimidesulfone powder

    Hou,T.H. / Clair,T.L. / NASA Langley Research Center,US | Kraftfahrwesen | 1988


    Characterization of a Semicrystalline Polyimidesulfone Powder

    Hou, T. H. / St. Clair, T. L. | SAE Technical Papers | 1988