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

Abstract : 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.