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US 2019/0337275 A1Published application
Packaging films with improved hot-tack performance
AssigneeBemis Company, Inc.
InventorMelissa Kanzelberger Coolich
Life of this patent
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Abstract
The present invention is directed to hot-fill/retort packaging films having a sealant layer composition comprising a first propylene-ethylene copolymer, a second propylene-ethylene copolymer and a polyethylene. Hot-fill/retort packaging films are provided herein having a sealant layer composition that exhibits an ultimate hot tack within a range from 88 N/m to 876 H/m (0.5 lb./in to 5 lb./in) at a temperature within the range from 116° C. to 182° C. (240° F. to 360° F.).
Claims20
A hot-fill/retort sealant film comprising:
- a sealant layer composition comprising:
- i) a first propylene-ethylene copolymer
- ii) a second propylene-ethylene copolymer, and
- iii) a polyethylene.
1 more element
Dependencies are inferred from the claim text.