Characterization of PMR Polyimides - Correlation of Ester Impurities with Composite Properties

The presumed relationship of chemical impurities to final composite properties is the rationale for most chemical characterization studies. This study examines this relationship for PMR-polyimide resin. Ester/acid solutions of one monomer were aged at selected temperatures and chemical changes were...

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Bibliographische Detailangaben
Hauptverfasser:	Lauver, R. W, Vannucci, R. D
Format:	Report
Sprache:	eng
Schlagworte:	ACIDS CHEMICALS COMPOSITE MATERIALS CORRELATION ESTERS FABRICATION FIBER REINFORCED COMPOSITES GRAPHITE IMPURITIES Laminates and Composite Materials MONOMERS Organic Chemistry Plastics PMR POLYIMIDE RESINS Polymer Chemistry POLYMERS PROCESSING SOLUTIONS(MIXTURES)
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Zusammenfassung:	The presumed relationship of chemical impurities to final composite properties is the rationale for most chemical characterization studies. This study examines this relationship 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. jg p2