Polypropylene modification for improved adhesion of polypropylene-based multilayer packaging film structure to vacuum deposited aluminum

There is provided a metallizable alkene or olefin polymer composition. The composition results from the blending of a modifier with an alkene or olefin polymer composition. The modifier is selected from the group consisting of: a maleic anhydride grafted ethylene copolymer, an ethylene copolymer con...

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Bibliographische Detailangaben
1. Verfasser:	LEBOEUF CHRISTIAN
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL PAINT OR INK REMOVERS 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 COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DIFFUSION TREATMENT OF METALLIC MATERIAL DYES FILLING PASTES GENERAL PROCESSES OF COMPOUNDING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS WORKING-UP
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Beschreibung
Zusammenfassung:	There is provided a metallizable alkene or olefin polymer composition. The composition results from the blending of a modifier with an alkene or olefin polymer composition. The modifier is selected from the group consisting of: a maleic anhydride grafted ethylene copolymer, an ethylene copolymer containing acid monomers and/or ester monomers, an acid-grafted propylene copolymer, and a maleic anhydride grafted blend of a propylene copolymer with an ethylene copolymer. The resultant polymeric composition adheres surprisingly well to metal films and particularly well to aluminum film. The resultant composition also has unexpectedly favourable rheology properties making the composition efficient to use in co-extrusion processes. Also provided is a method of preparing the polymer compositions.