Characterization of PMR polyimides: Correlation of ester impurities with composite properties
The presumed relationship of chemical impurities to final composite properties was investigated for PMR-polyimide resin. Ester/acid solutions of one monomer were aged at selected temperatures and chemical changes were monitored spectroscopically. At selected intervals, graphite fiber reinforced comp...
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| Zusammenfassung: | The presumed relationship of chemical impurities to final composite properties was investigated for PMR-polyimide resin. Ester/acid solutions of one monomer were aged at selected temperatures and chemical changes were monitored spectroscopically. At selected intervals, graphite fiber reinforced composite panels were fabricated. Changes in resin processing characteristics and composite properties were determined. The correlation of these data are discussed as are related characterization studies of PMR-polyimide resin. |
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