THERMAL SHRINKAGE FILM

FIELD: protective materials. ^ SUBSTANCE: invention relates to technology for preparing thermal shrinkage polyethylene films that can be used as package material. Film has thickness from 5 to 500 mcm and prepared from polyethylene representing a mixture of homopolymer and copolymer of ethylene, and...

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Bibliographische Detailangaben
Hauptverfasser:	JOKHANSEN GEJR MORTEN, DAVIKNES KHANS GEORG, SKAR MERETE, BORVE K'ETIL LARSEN, MJURE OLE JAN
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR 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 CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING GENERAL PROCESSES OF COMPOUNDING HANDLING THIN OR FILAMENTARY MATERIAL 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 MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING UNPACKING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	FIELD: protective materials. ^ SUBSTANCE: invention relates to technology for preparing thermal shrinkage polyethylene films that can be used as package material. Film has thickness from 5 to 500 mcm and prepared from polyethylene representing a mixture of homopolymer and copolymer of ethylene, and showing molecular-mass distribution value in the range from 5 to 40 and average-mass molecular mass at least 100 kDa. Invention provides preparing films satisfying for requirements with respect to the melt strength, strength in cold state and other mechanical properties at stage of hot and cold shrinkage and after shrinkage also. ^ EFFECT: improved and valuable properties of film. ^ 23 cl, 3 tbl, 3 ex