Packaging laminate possessing gas and light barrier properties,

Details Packaging laminate possessing gas and light barrier properties, Packaging laminate possessing gas and light barrier properties,

1994-10-27

1996-05-07

Buffalow, Edith

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 358, 428448, 428451, 428461, 428463, 428458, 428480, B29D 2200

Patent

active

055144349

ABSTRACT:
A packaging laminate for a package possessing superior gas and light barrier properties is disclosed, and a method of producing the packaging laminate. The packaging laminate includes a layer of a silicon oxide compound serving as gas barrier and a layer of metal serving as light barrier, these layers being deposited by vacuum deposition on each respective layer of plastic serving as carrier, and being permanently bonded to one another through an interjacent layer of adhesive for the formation of the packaging laminate.
By regulating the thickness of the gas and light barrier layers independently of one another, an optional combination of gas and light barrier properties is made possible, whereby the packaging laminate may be more or less "tailor made" for each type of product which is to be packed.

REFERENCES:
patent: 5084356 (1992-01-01), Deak et al.
patent: 5232755 (1993-08-01), Komiya et al.

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