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US 2013/0171386 A1Published application
Multi-Layer Films and Articles Made Therefrom
AssigneeExxonMobil Oil Corporation
InventorsBenoit Ambroise, Jay K.M. Keung, Pang-Chia Lu
Life of this patent
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Abstract
Multi-layer films particularly suited for packaging applications, including a core layer, a tie layer made from at least 10 wt % of a first polymer and where the first polymer preferably is not present in the core layer are provided. Optionally, the multi-layer film may have a skin layer, a second tie layer and/or a second skin layer. Embodiments may have the advantage of improved seal strength, hermeticity, hot tack and reduced-temperature sealability.
Claims20
A multi-layer film, comprising:
- a) a core layer;
- b) a tie layer, said tie layer having at least 10 wt % of a first polymer comprising from about 75 wt % to about 96 wt % propylene and from about 4 wt % to about 25 wt % ethylene, said first polymer having a density in the range of 0.850 g/cm3 to 0.900 g/cm3;
- and
- c) a skin layer,
- said tie layer being intermediate said core layer and said skin layer.
2 more elements
Dependencies are inferred from the claim text.