Methods and adhesives for bonding polyolefin film

Details Methods and adhesives for bonding polyolefin film Methods and adhesives for bonding polyolefin film

B - Operations, Transporting

65

C

B65C 9/22 (2006.01) B65C 3/08 (2006.01) B65D 25/36 (2006.01) C08G 18/10 (2006.01) C08G 18/83 (2006.01) C09J 7/02 (2006.01) C09J 175/04 (2006.01) G09F 3/10 (2006.01) B29C 61/02 (2006.01)

Patent

CA 2078434

PCT/US91/01465 ABSTRACT A method for wrapping a label (40) about a container (60) 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 (10) of flat seamed tubular film (30). The roll (10) of flat. seamed tubular film (30) is bonded at its seam by solvent activated adhesive. A roll (10) for any of these methods with such adhesive, and a container covered by a film (30) which includes strips (36, 38) of such adhesive is provided. A preferred adhesive comprises thermoplastic polyurethane with or without suitable additive.

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