Patent ID: 8450225
Filing Date: 2013-05-28
Classification: B29C,B29K,B32B,Y10T

Abstract:
1. A cured or uncured structural composite material comprising a structural component in a form of a plurality of layers of textile that comprises structural fibers; a thermosetting resin component; and a viscoelastie interleaf positioned between a pair of adjacent layers of to tile, said viscoelastic interleaf comprising at least one thin layer of nonwoven material, which is comprised of thermoplastic elastomer fibers; wherein the viscoelastic interleaf and structural component are partially or completely impregnated with the thermosetting resin component; and wherein the resin component has a glass transition temperature T wherein the thermoplastic elastomer fibers in said nonwoven material are made of at least on polymer selected from the group consisting of styrenic thermoplastic elastomers, and a blend thereof.