abstract |
The invention relates to a multi-layer composite system, containing (A) a planar substrate, (B) optionally a connecting layer, which can take up the entire surface or a portion thereof, (C) a foam material layer, (D) optionally a connecting layer which is made of the same material as the connecting layer (B) or of a material that is different from the connecting layer (B), (E) a polymer layer comprising capillaries which extend over the entire thickness of the polymer layer (E), wherein the polymer layer (E) has a pattern having a fish scale-like or a shark skin-like appearance. |