| abstract |
The invention relates to a method for producing a multi-layer packaging material, comprising the following steps: a) providing a carrier material, b) coating the carrier material by coextruding at least two layers onto the carrier material, c) removing the finished multi-layer packaging material, with the roughness of the surface the outermost coextruded layer is adjusted to a peak-to-valley height of Rz=1-20 before step c). |