Patent ID: 11858242
Assignee: DOW GLOBAL TECHNOLOGIES LLC
Field: Surface technology, coating (Chemistry)
Classification: CPC B | IPC B

Claim 11:
12. A recyclable, all-polyethylene laminate film structure suitable for use in a flexible packaging, consisting of:
(A) a sealant film layer consisting essentially of an ethylene/octene interpolymer and a low density polyethylene;
(B) one or more intermediate film layers, each intermediate film layer consisting essentially of a high density polyethylene;
(C) a structural film layer consistently essentially of an ethylene/octene interpolymer and a low density polyethylene,
wherein the one or more intermediate film layers (B) are disposed between the sealant film layer (A) and the structural film layer (C); and
(D) a barrier adhesive layer disposed on a surface of the structural film layer (C) opposite the one or more intermediate film layers (B),
wherein the recyclable, all-polyethylene laminate film structure has an oxygen transmission rate not greater than 100 cc O2/m2/day, measured according to ASTM Method D3985.