Inorganic oxide resins for internal oxidation inhibition of carbon-carbon composites

摘要

A liquid, boron-containing, inorganic oxide resin containing unsaturated organic groups may additionally comprise the units -O-M-O-, where M can vary from one unit to the next and is selected from Si, Ti, Al, Ba, Zr, Li and Hf. The resins can be used to inhibit the oxidation of carbon-carbon composites by impregnating the composite with the resin, cross-linking the resin and pyrolyzing to convert the resin to a ceramic material.