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

Claim 0:
1. A recyclable, all-polyethylene laminate film structure suitable for use in a flexible packaging, consisting of:
a first film consisting essentially of
(A) a sealant film layer consisting essentially of an ethylene-based polymer;
(B) one or more intermediate film layers, each intermediate film layer consisting essentially of an ethylene-based polymer; and
(C) a structural film layer consisting essentially of an ethylene-based polymer,
wherein the one or more intermediate film layers (B) are disposed between the sealant film layer (A) and the structural film layer (C);

a second film consisting essentially of an ethylene-based polymer; and
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 first film is bonded to the second film by way of the barrier adhesive layer, and
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.