Thermoformable Propylene Polymer Blends

This invention relates to thermoformable blends of propylene polymer and a tackifying resin and thermoformed articles produced from said blends. The thermoformed articles typically have an advantageous combination of good optical properties, stiffness, and barrier properties. This invention further...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Keung Jay K, Barry Adrian G, Donahue John M
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	This invention relates to thermoformable blends of propylene polymer and a tackifying resin and thermoformed articles produced from said blends. The thermoformed articles typically have an advantageous combination of good optical properties, stiffness, and barrier properties. This invention further relates to a method of improving the processability of a propylene based polymer by blending the polymer with a tackifying resin.