Oxygen and flavor barrier laminate for liquid packaging

Details Oxygen and flavor barrier laminate for liquid packaging Oxygen and flavor barrier laminate for liquid packaging

1991-07-18

1992-05-26

Seidleck, James J.

Stock material or miscellaneous articles

Hollow or container type article

Paper containing

156 82, 15624423, 428349, 428513, B65D 8500, B32B 2710, B32B 3100

Patent

active

051166496

ABSTRACT:
A heat-sealable paperboard laminate for liquid packaging which does not transmit nor absorb oxygen or flavor and odor ingredients comprises paperboard sandwiched between two layers of heat-sealable low density polyethylene polymer (LDPE) and including a three-component product-contact barrier layer coextruded onto the inner layer of LDPE. The barrier layer comprises ethylene vinyl alcohol copolymer (EVOH)/a tie layer (Plexar 177 or 175)/ low density polyethylene polymer (LDPE).

REFERENCES:
patent: 4513036 (1985-04-01), Thompson et al.
patent: 4701360 (1987-10-01), Gibbons et al.
patent: 4789575 (1988-12-01), Gibbons et al.
Barrier Coextrusion Coating as a Foil Replacement in Paperboard Lamination, Dragan Djordjevic, Apr. 4-6, 1984 pp. 119-148.
Extrusion Coaters Gear for New Packaging Action, Plastics World, Mark Schlack, Jul. 1984, pp. 42-47.

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