Article made of a multilayer composite material and preparation method thereof

Abstract

The present invention refers to an article made of a multilayer composite material comprising a central element (I) arranged between a first and a second reinforcement layer (B) to form a structure (B)-(I)-(B), said central element (I) comprising: a first and a second structural layer (A) each comprising at least one mat of needle punched fibres of the thermoplastic and/or natural type or else a mat of expanded thermoplastic polymer, said structural layers (A) being impregnated with a thermosetting resin; a third reinforcement layer (B) arranged between said two structural layers (A), said first, second and third reinforcement layer (B) consisting of a fibrous material, comprising one or more types of fibres selected from the group consisting of glass fibres, natural fibres, carbon fibres, basalt fibres, kevlar fibres, aramid fibres or a mixture of such fibres.

Dependencies are inferred from the claim text.