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US 2016/0107422 A1Published application
Shrink sleeve label
AssigneeSealed Air Corporation (US)
InventorLarry Bickle McAllister, JR.
Life of this patent
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Abstract
A film has a skin layer, a base layer, and an intermediate layer between the skin and base layers. The skin layer has styrenic block copolymer, the base layer has ethylene/alpha-olefin copolymer, and the intermediate layer has from 12% to 50% styrene/ethylene-butadiene/styrene block copolymer. The film has a free shrink at 90° C. of at least 65% and a density of at most 0.960 grams per cubic centimeter.
Claims30
A film comprising:
- a skin layer comprising at least 50% by weight of the skin layer of styrenic block copolymer having a styrene monomer content of at least 50 wt. %;
- a base layer comprising at least 50% by weight of the base layer of ethylene/alpha-olefin copolymer;
- and
- an intermediate layer between the skin and base layers and directly adjacent at least one of the skin layer and the base layer, the intermediate layer comprising at least 12% and at most 50%, by weight of the intermediate layer, of styrene/ethylene-butadiene/styrene block copolymer, wherein the film has:
- a free shrink at 90° C. in at least one of the transverse and machine directions of at least 65%;
- and
- a density of at most 0.960 grams per cubic centimeter.
4 more elements
Dependencies are inferred from the claim text.