Because alumina-condensed furfuryl alcohol resins offer several advantages over analogous acid-condensed resins, the work described in this report has been directed toward gaining a more complete under¬standing of their physical and chemical properties, both prior to and during thermosetting and pyrolysis. The work also includes a study of the interactions of the resin when used as a binder with certain filler materials.nEquipment and methods used in preparing resins of different viscosi¬ties are briefly discussed as is the equipment used in making the neces¬sary analyses.nIn the discussion of results, data obtained from fractional distillation, gas chromatography, differential thermal analysis, thermogravimetric analysis, X-ray studies, shrinkage measurements, and dynamic elastic modulus measurements are presented, interpreted and correlated. Also included is information on the use of low viscosity resin as an impregnant, resin modifications, cured resin yield, and microstructures.nThis report has been reviewed and is approved.
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