16. The composition of claim 1, wherein in the blend the first epoxy acrylic copolymer has a number average molecular weight in the range of 1000 to 3000 grams, an epoxy equivalent weight in the range of 240 to
26. The flexible bundle of fibers of claim 21, wherein said crosslinking material is an aqueous soluble, dispersible epoxy resin in an effective amount for partial curing of the curable polyurethane resin. 27. The flexible bundle of fibers of claim 21, wherein said aqueous impregnating compos...
5. Multilayered composite film of claim 1, wherein the functional acrylic film-forming polymer or copolymer of the powder coating comprises at least one epoxy functional acrylic copolymer of glycidyl methacrylate. 6. Multilayered composite film of claim 1, wherein the powder coating comprises: ...