Multiple layer paperboard laminate

Details Multiple layer paperboard laminate Multiple layer paperboard laminate

1989-06-14

1990-08-21

Seidleck, James

Stock material or miscellaneous articles

Hollow or container type article

Paper containing

428349, 428511, 428516, 428520, B65D 556, B65D 562

Patent

active

049505106

ABSTRACT:
A non-foil paperboard laminate having excellent flavor barrier with superior heat sealability comprises paperboard having a layer of a heat-sealable, modified polyolefin extrusion coated onto its outer surface, a layer of low density polyethylene polymer extrusion coated onto its inner surface, and a product-contact barrier layer extrusion coated onto the inner layer of low density polyethylene polymer. The product-contact barrier layer may comprise one or more layers of a polymer having low permeability to flavor oils.

REFERENCES:
patent: 4233367 (1980-11-01), Ticknor et al.
patent: 4698246 (1987-10-01), Gibbons et al.
patent: 4701360 (1987-10-01), Gibbons et al.
patent: 4789575 (1988-12-01), Gibbons et al.
patent: 4795665 (1989-01-01), Lancaster et al.
patent: 4806399 (1989-02-01), Gibbons et al.

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