BARRIER FILMS HAVING VAPOR COATED EVOH SURFACES

A METHOD OF PRODUCING A MULTILAYER POLYMERIC FILM IS ACCOMPLISHED THROUGH THE VAPOR DEPOSITION OF A BARRIER COATING ONTO AN ETHYLENE VINYL ALCOHOL COPOLYMER LAYER, WHICH IS ADHERED TO A POLYMERIC SUBSTRATE. A MULTILAYER POLYMERIC FILM EXHIBITING BARRIER CHARACTERISTICS IS ALSO ACCOMPLISHED THROUGH T...

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1. Verfasser:	JOHN RALPH WAGNER, JR
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 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 COMPOSITIONS BASED THEREON DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL PROCESSES OF COMPOUNDING 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 ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PLASMA TECHNIQUE PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS SPRAYING OR ATOMISING IN GENERAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Zusammenfassung:	A METHOD OF PRODUCING A MULTILAYER POLYMERIC FILM IS ACCOMPLISHED THROUGH THE VAPOR DEPOSITION OF A BARRIER COATING ONTO AN ETHYLENE VINYL ALCOHOL COPOLYMER LAYER, WHICH IS ADHERED TO A POLYMERIC SUBSTRATE. A MULTILAYER POLYMERIC FILM EXHIBITING BARRIER CHARACTERISTICS IS ALSO ACCOMPLISHED THROUGH THE USE OF AN ETHYLENE VINYL ALCOHOL COPOLYMER LAYER BETWEEN A VAPOR DEPOSITED BARRIER COATING AND A POLYMERIC SUBSTRATE.