A New Silarylene-Siloxane Monomeric Resin for Structural Composites: Cure-Chemistry Insight and Thermal Properties of the Cured Matrix

Reported here are the synthesis and characterization of a siloxane-silarylene liquid monomer, which is a promising new resin component for the fabrication of tough carbon-fiber-composite parts that survive stowage in hot-wet environments and surface temperatures at high-Mach flight speeds. A model c...

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Bibliographische Detailangaben
Hauptverfasser:	Lindsay, Geoffrey A, Chafin, Andrew P, Baldwin, Lawrence C, Cambrea, Lee R, Quintana, Roxanne L
Format:	Report
Sprache:	eng
Schlagworte:	2PEPPSI2 COMPOSITE MATERIALS CURED MATRIX CURING DISILOXANE-SILPHENYLENE FOURIER TRANSFORMATION GAS CHROMATOGRAPHY GLASS TRANSITION TEMPERATURE HENYLETHYNYLENEPHENYLENE INFRARED SPECTROSCOPY Laminates and Composite Materials MASS SPECTROMETRY MELTING POINT MONOMERIC RESINS MONOMERS NUCLEAR MAGNETIC RESONANCE PEP Physical Chemistry PLASTICS REFLECTANCE SILARYLENES SILOXANES STRUCTURAL COMPONENTS THERMAL PROPERTIES Thermodynamics THERMOGRAVIMETRIC ANALYSIS
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Zusammenfassung:	Reported here are the synthesis and characterization of a siloxane-silarylene liquid monomer, which is a promising new resin component for the fabrication of tough carbon-fiber-composite parts that survive stowage in hot-wet environments and surface temperatures at high-Mach flight speeds. A model compound for the type of reactive end groups used was cured and analyzed by chromatography and mass spectrometry to give insight on the crosslinking and chain-extending structures that form during the curing process. Prepared in collaboration with the Chemistry Division, Naval Air Warfare Center, China Lake, CA.