Patent ID: 6027794
Filing Date: 2000-02-22
Classification: B29K,C08J,Y10T

Abstract:
A prepreg layer for combination with one or more additional layers of said prepreg to form a fiber-reinforced plastic composite, said prepreg layer comprising:(A) a multiplicity of reinforcing fibers (A) having fiber lengths of at least 5 cm,(B) a matrix resin body (B) in which said reinforcing fibers (A) are embedded, and(C) a plurality of individual discrete surface region thermoplastic resin fibers (C) in the form of a non-woven fabric having fiber lengths of 3 cm or more, said fibers (C) being arranged at random on and within said surface portion of said matrix resin body (B), said fibers (C) being localized in a surface region adjacent said surface, said surface region extending to a depth of 30% into the thickness direction of said prepreg layer, wherein more than 90% of said thermoplastic fibers (C) are localized in said surface region.