Mondi Ag

Mondi Inncoat Gmbh

Wilhelm Munninger

Werner Tschenet

Helmut Schönfelder

Peter Ludwig

Rolf Krekel

The present invention inter alia relates to a release liner, which comprises according to an embodiment, a carrier substrate, a thermoplastic polymer layer applied on one side of the carrier substrate, and a release layer applied on the thermoplastic polymer layer on the side opposite to the carrier substrate. The thermoplastic polymer layer and the release layer include a network of ridges resulting in elevations of the surface of the release liner. The surface on the release layer side has a roughness at least between the ridges, such that it has a plurality of pits. The average number of pits per an area of 3.4 mmof the plan view of the release liner surface is at least 50. The pits extend at least to a level of 10.0 μm above the deepest point of the deepest pit within said area.

Release liner for repositionable adhesive articles

A separable layer of permanently thermoplastic bonding material made by extrusion lamination comprises a mixture of In the laminate, a backing layer and a top layer are laminated together therewith. The laminate is produced either by flat sheet monoextrusion or flat sheet coextrusion of the bonding material.

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Neubeuern, Germany

Wilhelm Munninger