公开(公告)号：US20240253335A1

公开(公告)日：2024-08-01

申请号：US18566512

申请日：2022-05-31

申请人： Constantia Pirk GmbH & Co. KG

发明人： Frank Eger ,  Andreas Fischer ,  Werner Geitner ,  Tobias Stein ,  Achim Grefenstein ,  Matthias Scheck

IPC分类号： B32B27/10 ,  B32B7/12 ,  B32B37/12 ,  B65D75/26

CPC分类号： B32B27/10 ,  B32B7/12 ,  B32B37/12 ,  B65D75/26 ,  B32B2250/02 ,  B32B2255/10 ,  B32B2255/205 ,  B32B2255/26 ,  B32B2307/516 ,  B32B2307/518 ,  B32B2307/582 ,  B32B2307/718 ,  B32B2307/7244 ,  B32B2307/7246 ,  B32B2307/7376 ,  B32B2317/12 ,  B32B2439/06 ,  B32B2439/70

摘要： A packaging laminate includes a carrier layer and a barrier film, wherein the carrier layer consists of paper with a grammage of 40 to 120 g/m2, wherein the barrier film is connected with the carrier layer via a connecting layer, wherein a plastics film stretched in at least one stretching direction is provided as the barrier film, wherein the barrier film has a layer thickness of 1 to 10 μm, preferably less than 5 μm and very preferably less than 3 μm, and wherein the elongation at break of the barrier film in the at least one stretching direction is less than or equal to 180%, preferably less than or equal to 130%.