BIAXIALLY ORIENTED MULTILAYER POLYPROPYLENE FILM

PROBLEM TO BE SOLVED: To provide a biaxially oriented polypropylene film excellent in transparency, antiblocking property and thickness precision. SOLUTION: The biaxially oriented polypropylene film comprises a laminate of at least one side of a base layer which can be obtained from a polypropylene...

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Bibliographische Detailangaben
1. Verfasser:	NEGISHI KAZUHIKO
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 SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS 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 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:	PROBLEM TO BE SOLVED: To provide a biaxially oriented polypropylene film excellent in transparency, antiblocking property and thickness precision. SOLUTION: The biaxially oriented polypropylene film comprises a laminate of at least one side of a base layer which can be obtained from a polypropylene polymer composition of a polypropylene sole polymer (A) and a polypropylene-α-olefin copolymer (B) having a biaxially oriented α-olefin content in the range of 0.1 to 1.8 mole% with a polypropylene polymer (C) layer containing an antiblocking agent. COPYRIGHT: (C)2008,JPO&INPIT