NASA NTRS · 19760009149
Development of autoclave moldable addition-type polyimides
Abstract
Chemistry and processing modifications of the poly(Diels Alder) polyimide (PDA) resin were performed to obtain structural composites suitable for 589 K (600 F) service. This work demonstrated that the PDA resin formulation is suitable for service at 589 K (600 F) for up to 125 hours when used in combination with Hercules HTS graphite fiber. Sandwich panels were autoclave molded using PDA/HTS skins and polyimide/glass honeycomb core. Excellent adhesion between honeycomb core and the facing skins was demonstrated. Fabrication ease was demonstrated by autoclave molding three-quarter scale YF-12 wing panels.
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Vaughan, R. W., Jones, R. J., Orell, M. K., Zakrzewski, G. A.. 1976-01-01. Development of autoclave moldable addition-type polyimides. https://ntrs.nasa.gov/citations/19760009149
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