METHOD FOR MAKING PET CONTAINERS WITH ENHANCED SILICON DIOXIDE BARRIER COATING

A process for applying a silicon oxide barrier coating to a PET container, wherein the PET container comprises a wall having an inner surface and an outer surface, the process comprising the steps of: (a) heating a PET container such that at least the outer surface is at a temperature of from about...

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Bibliographische Detailangaben
Hauptverfasser:	BOBROV SERGEY B, SCHNEIDER MARK D
Format:	Patent
Sprache:	eng
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 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 process for applying a silicon oxide barrier coating to a PET container, wherein the PET container comprises a wall having an inner surface and an outer surface, the process comprising the steps of: (a) heating a PET container such that at least the outer surface is at a temperature of from about 200° F. to about 383° F.; (b) forming a coated PET container by applying at least one silicon oxide barrier layer on at least the inner surface of the PET container while the temperature of at least the outer surface of the PET container is at a temperature of from about 200° F. to about 383° F.; and (c) cooling the coated PET container after step b.