Barrier laminates for containment of flavor, essential oils and

Details Barrier laminates for containment of flavor, essential oils and Barrier laminates for containment of flavor, essential oils and

1991-10-11

1992-12-29

Sluby, P. C.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

4284758, 4284769, 4284793, 428219, 428483, 428513, 428516, 426127, B32B 2700, B32B 2308, B65D 556

Patent

active

051750368

ABSTRACT:
A laminate providing an effective barrier to migration of essential oils and flavorings and for retention of vitamin C, essential oils and flavor in a juice and cartons made therefrom, wherein the laminate comprises, from the outer surface to the inner surface contacting the juice: an outer polyethylene layer for heat sealing and graphics, a bleached sulfate paperboard substrate, a nylon barrier layer constituting a barrier for oxygen, a first tie layer of modified polyethylene acting as an adherent, another polyethylene layer acting as a heat seal layer and bonded to the nylon barrier layer by the first tie layer, a second tie layer acting as an adherent, and an inner skin layer, which contacts the contents of the carton, which is bonded to the polyethylene layer by the second tie layer, and which may be ethylene vinyl alcohol copolymer (EVOH), polyethylene terephthalate or nylon.

REFERENCES:
patent: 4513036 (1985-04-01), Thompson et al.
patent: 4935282 (1990-06-01), Pawlowski et al.
patent: 4948640 (1990-08-01), Gibbons et al.
patent: 5002833 (1991-03-01), Kinsey, Jr. et al.

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