초록 ▼

Tough laminated composite material which comprise (A) long reinforcing fibers, (B) a matrix resin mixed with the long reinforcing fibers and (C1) a resin, preferably in the form of fine resin particles, forming a phase separate from said matrix resin which is localized in inter-layer zones, wherein

Tough laminated composite material which comprise (A) long reinforcing fibers, (B) a matrix resin mixed with the long reinforcing fibers and (C1) a resin, preferably in the form of fine resin particles, forming a phase separate from said matrix resin which is localized in inter-layer zones, wherein 90% or more of said resin (C1) is localized in inter-layer zones and/or wherein the border length factor in the inter-layer zones is 2.5 or more and prepegs used to form the composite materials.

대표청구항 ▼

A tough laminated composite material, comprising: (A) at least two lamination layers comprising high strength long reinforcing fibers; (B) a matrix resin which is at least in part thermosetting mixed with said reinforcing fibers; and (C1) thermoplastic resin particles independently dispersed in a ma

A tough laminated composite material, comprising: (A) at least two lamination layers comprising high strength long reinforcing fibers; (B) a matrix resin which is at least in part thermosetting mixed with said reinforcing fibers; and (C1) thermoplastic resin particles independently dispersed in a matrix resin or partially integrated with each other in a matrix resin, wherein 90% or more of said particles are localized in inter-layer zones which have a thickness which is 30% of the thickness of said lamination layers, wherein the border length factor in said inter-layer zones is 2.5 or more.