Process for producing a composite

The method for preparing compound, wherein the composite comprises the following components: a) all or a part of the portion of the molding material comprises, wherein the molding material comprising at least 40 wt% of polyamide, wherein monomeric unit comprises at least 8 carbon atoms with average, and b) a portion of the molding material is formed, the is a characterised, wherein preparing the composite material, (a) and b) at least one of the contact surface of a plasma treatment and normal condition, and connected with each other, wherein a, the reliable agglutinations of the component, wherein the component in a first of each other is a be.