Patent ID: 6440257
Filing Date: 2002-08-27
Classification: B29D,B32B,Y10T

Abstract:
A self-adhesive prepreg for bonding to a side surface of a honeycomb, said self-adhesive prepreg comprising:at least one fiber layer; a prepreg resin which has been combined with said fiber layer to form said self-adhesive prepreg comprising a bonding surface which is adapted to be bonded directly to said honeycomb, said prepreg resin comprising a thermosetting resin, a curing agent, a thermoplastic viscosity control agent which is substantially dissolved in said thermosetting resin; and thermoplastic fillet forming particles which are not dissolved to a substantial degree in said prepreg resin and wherein the amounts of said resin dissolved thermoplastic viscosity control agent and said thermoplastic fillet forming particles are such that the minimum viscosity of said prepreg resin during curing thereof is between 150-1500 poise.