Methods and adhesives for bonding polyolefin film
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United States of America Patent
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Feb 25, 1992
Grant Date -
N/A
app pub date -
Mar 7, 1990
filing date -
Mar 7, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for wrapping a label about a container by employing a solvent activated adhesive composition. The method includes either a shrink wrap method, a mandrel wrapping method or a method employing a preformed roll of flat seamed tubular film. The roll of flat seamed tubular film is bonded at its seam by solvent activated adhesive. A roll for any of these methods with such adhesive, and a container covered by a film which includes strips of such adhesive is provided. A preferred adhesive comprises thermoplastic polyurethane with or without suitable additive.
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