A packaging laminate possessing gas and light barrier properties, and a method of producing the same

A packaging laminate for a package possessing superior gas and light barrier properties is disclosed, and a method of producing the packaging laminate (10). The packaging laminate includes a layer (17) of a silicon oxide compound serving as gas barrier and a layer (13) of metal serving as light barr...

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Bibliographische Detailangaben
1. Verfasser:	LOEFGREN, LARS
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING DIFFUSION TREATMENT OF METALLIC MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING
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Beschreibung
Zusammenfassung:	A packaging laminate for a package possessing superior gas and light barrier properties is disclosed, and a method of producing the packaging laminate (10). The packaging laminate includes a layer (17) of a silicon oxide compound serving as gas barrier and a layer (13) of metal serving as light barrier, these layers (17 and 13) being deposited by vacuum deposition on each respective layer (12 and 16) of plastic serving as carrier, and being permanently bonded to one another through an interjacent layer (20) of adhesive for the formation of the packaging laminate (10). By regulating the thickness of the gas and light barrier layers (17 and 13 respectively) independently of one another, an optional combination of gas and light barrier properties is made possible, whereby the packaging laminate (10) may be more or less "tailor made" for each type of product which is to be packed.