NASA NTRS · 20030112674
6F-Polyimides with Phenylethynyl Endcap for 600-7000F Applications
Abstract
6F-Polyimides with a phenylethynyl endcap (HFPE) were fabricated into carbon fiber composites using the standard polymerization of monomer reactant (PMR) approach via ester/acid route. Composites made from T650-35 carbon fabrics were evaluated at 600-700 F for their physical and mechanical properties as well as thermo-oxidative stability. In addition, concentrated HFPE monomer solutions were infused into stitched AS4 and T650-35 preforms to improve the composite performance under thermal cycling and rapid heating conditions.
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Chuang, Kathy C., Bowamn, Cheryl L., Tsotsis, Thomas K., Arendt, Cory P.. 2003-01-01. 6F-Polyimides with Phenylethynyl Endcap for 600-7000F Applications. https://ntrs.nasa.gov/citations/20030112674
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