Patent ID: 11945630
Assignee: ENEOS CORPORATION
Field: Surface technology, coating (Chemistry)
Classification: CPC B | IPC B

Claim 0:
1. An oxygen-permeable packaging material comprising:
a non-perforated polyolefin layer having a thickness of 3 μm to 18 μm and formed of at least one selected from the group consisting of polypropylene and polyethylene; and
a reticulated reinforcing layer made of a laminated nonwoven fabric in which a split web and/or a slit web are laminated and adhered such that stretching directions of the split web and/or the slit web being laminated approximately orthogonally intersect each other, wherein
the split web is formed by uniaxially stretching a film in a longitudinal direction thereof, splitting the stretched film at a plurality of sites along the longitudinal direction, and expanding the stretched and splitted film in a transverse direction that orthogonally intersects the stretching direction, and
the slit web is formed by uniaxially stretching a film having a plurality of slits.