POLYOLEFIN PACKAGING MATERIAL

A polyolefin packaging material includes a first polyolefin polymer film, a second polyolefin polymer film, and a polyolefin bonding adhesive layer. The first polyolefin polymer film is a cast polypropylene film (CPP film). The second polyolefin polymer film is a biaxially oriented polypropylene fil...

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Bibliographische Detailangaben
Hauptverfasser:	YUAN, CHING-YAO, MA, TENG-KO, Wang, Chih-Feng, LIAO, TEAO
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY 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 DYES HANDLING THIN OR FILAMENTARY MATERIAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PACKAGES PACKAGING ELEMENTS PACKING PAINTS PERFORMING OPERATIONS POLISHES STORING TRANSPORTING USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	A polyolefin packaging material includes a first polyolefin polymer film, a second polyolefin polymer film, and a polyolefin bonding adhesive layer. The first polyolefin polymer film is a cast polypropylene film (CPP film). The second polyolefin polymer film is a biaxially oriented polypropylene film (BOPP film). The polyolefin bonding adhesive layer is bonded between the first polyolefin polymer film and the second polyolefin polymer film. The polyolefin bonding adhesive layer is formed of a polyolefin copolymer modified by maleic anhydride, the polyolefin copolymer is formed by copolymerization of at least two kinds of C2 to C4 olefin molecules, a graft ratio of the maleic anhydride grafted onto the polyolefin copolymer is between 0.5% and 5%, and a melt index of the polyolefin copolymer is between 1 g/10 min and 5 g/10 min.