Epoxy resin/curing agent/catalyst combinations were investigated in efforts to obtain state-of-the-art performance (350 F) from graphite fiber reinforced composites coupled with prolonged prepreg flow life under ambient shop conditions. Resins evaluated included commercially available multi- functional glycidylamines and epoxy novalacs. Curing agent studies were based upon the use of aromatic diamines with attenuated reactivity and limited solubility in the resins.
