Patent ID: 9738764
Date: 2017-08-22
CPC Classifications: C08J

Claim:
1. A method for curing an epoxy-containing prepreg assembly for a composite material comprising: positioning the epoxy-containing prepreg assembly for a composite material, in an enclosed environment, said enclosed environment comprising an inlet, said prepreg assembly comprising layers of prepregs, said layers of prepregs comprising fibers, said fibers selected from the group consisting of: carbon fibers, glass fibers, aramid fibers, boron fibers and combinations thereof; delivering a flow of an ammonia-containing compound to the enclosed environment via the inlet, said flow delivered to the enclosed environment to a predetermined concentration; maintaining the flow of the ammonia-containing compound to the enclosed environment at the predetermined concentration for a predetermined duration; and curing the epoxy-containing prepreg assembly to produce the composite material; wherein the prepreg assembly in the enclosed environment is maintained at a temperature ranging from about 60° F. to about 100° F. and at a pressure ranging from about 14 psi to about 16 psi.