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US 12,233,629 B2Granted
Flexible multilayer film
AssigneeDow Global Technologies LLC
InventorsKleber Brunelli, Nicolas Cardoso Mazzola
Life of this patent
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Abstract
The present disclosure provides a flexible multilayer film. The flexible multilayer film includes at least three layers. One of the layers is a seal layer and one of the layers is a barrier layer. The seal layer is an ionomer. The backing layer is in direct contact with the seal layer. The backing layer is an ethylene/α-olefin multi-block copolymer.
Claims15
A flexible multilayer film comprising:
- at least three layers
- a seal layer comprising an ionomer, the seal layer is a surface layer;
- a backing layer in direct contact with the seal layer, the backing layer comprising an ethylene/α-olefin multi-block copolymer consisting of (i) ethylene and (ii) a C4-C8 α-olefin comonomer.
A flexible pouch comprising:
- opposing flexible multilayer films, the flexible multilayer films defining a common peripheral edge, each flexible multilayer film comprising;
- at least three layers
- a seal layer comprising an ionomer, the seal layer is a surface layer;
- a backing layer in direct contact with the seal layer, the backing layer comprising an ethylene/α-olefin multi-block copolymer consisting of (i) ethylene and (ii) a C4-C8 α-olefin comonomer;
- and
- a peripheral seal extending along at least a portion of the common peripheral edge, the peripheral seal forming a closed flexible pouch having a storage compartment.
3 more elements
Dependencies are inferred from the claim text.