Process that combines microwave foaming and curing of polyimide precursors in single step produces fire-resistant foam slabs of much larger volume than has previously been possible. By adding selected conductive fillers to powder precursors and by using high-power microwave oven, foam slabs with dimensions in excess of 61 by 61 by 7.6 cm are made. Typical foaming and curing and curing time is 35 minutes in microwave oven with additional 1 to 2 hour postcure in conventional oven.


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    Titel :

    One-step microwave foaming and curing


    Beteiligte:
    Gagliani, J. (Autor:in) / Lee, R. (Autor:in) / Sorathia, U. A. K. (Autor:in) / Wilcoxson, A. L. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1981-01-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


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