MULTILAYER SYSTEM COMPRISING A FOIL AND HAVING GAS BARRIER PROPERTIES

A multilayer system comprising at least the following layers,a) a packing foil,b) on the packing foil a primer layer containing at least 5% by weight of at least one polymer containing carboxylic groups, wherein the at least one polymer has a weight average molecular weight of at least 400 g/mol and...

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Bibliographische Detailangaben
Hauptverfasser:	SCHORER, Joachim, HANCKE, Lars, FRISCHMANN, Lutz, EICHENSEER, Corinna, CIRIELLO, Giuseppe, GARBER, André
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES GENERAL PROCESSES OF COMPOUNDING INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS WORKING-UP
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Beschreibung
Zusammenfassung:	A multilayer system comprising at least the following layers,a) a packing foil,b) on the packing foil a primer layer containing at least 5% by weight of at least one polymer containing carboxylic groups, wherein the at least one polymer has a weight average molecular weight of at least 400 g/mol and has a carboxyl number of 50 to 200, andc) on the primer layer a barrier layer containing at least one polyvinyl alcohol and/or at least one copolymer containing polyvinyl alcohol.