Adhesive label, labeled item, and method for labeling item with polymer film label using water-based adhesive
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United States of America Patent
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Issued Date -
Jun 5, 2003
app pub date -
Sep 20, 2002
filing date -
Dec 5, 2001
priority date (Note) -
Abandoned
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Abstract
This invention discloses a method for labeling an item wherein a sheet of polymer film is adhered to the item with a layer of water-based adhesive. The invention also discloses a label that includes a sheet of polymer film and a water-based adhesive, and a package that includes an item and a label adhered to the item. The item can be a product container such as a beverage bottle. The polymer film has a water vapor transmission rate of at least about 100 gm/m.sup.2/24 hours, and is also less than about 10,000 gm/m.sup.2/24 hours. The polymer film is also ink receptive to printing. A particularly suitable polymer film is polylactide (PLA) polymer 4040D. The sheet of polymer film has a thickness from about 0.001 to about 0.003 inches and is substantially transparent. The water-based adhesive can be a natural or synthetic adhesive, and can further include a contact sublayer and a tie sublayer. The water-based adhesive can be applied directly to the label or the item, and can be applied to the label, dried, and later reactivated at such time as the label is applied to the item.
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