VINYLIDENE CHLORIDE-BASED RESIN WRAP FILM AND METHOD FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide a vinylidene chloride-based resin wrap film that has superior adhesiveness, transparency and barrier properties, and also has physical properties superior in production adaptability.SOLUTION: A polyvinylidene chloride-based resin wrap film is obtained by the steps of...

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Bibliographische Detailangaben
Hauptverfasser:	KANEDA YUKIMASA, HACHITSUKA MICHIHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES 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 USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a vinylidene chloride-based resin wrap film that has superior adhesiveness, transparency and barrier properties, and also has physical properties superior in production adaptability.SOLUTION: A polyvinylidene chloride-based resin wrap film is obtained by the steps of: extruding a vinylidene chloride-based resin composition from a die in a melt state so as to have a pipe-like shape, and producing an extruded product having a hollow part; cooling and solidifying the extruded product in such a state that a sock solution containing 1.5-50 mass% of a surface active agent that is compatible with water and becomes a single liquid with water is stored in the hollow part; and subjecting the cooled and solidified extruded product to inflation treatment.