COEXTRUDIERTE FILME UND DIESE ENTHALTENDE BANDROLLEN UND HERGESTELLTE GEGENSTÄNDE

A film comprising: (A) a base layer; and (B) a reinforcing layer adhered to (A); wherein (B) is made of a material that is tougher than (A), (B) forms a continuous layer over a surface of (A) and the thickness of (B) is less than 25% of the total thickness of (A) + (B). The film is useful to make ta...

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Bibliographische Detailangaben
Hauptverfasser:	TRAMPER, RICHARD, ALAN, JR, SUBRAMANIAN, PAZAM
Format:	Patent
Sprache:	ger
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES 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 ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	A film comprising: (A) a base layer; and (B) a reinforcing layer adhered to (A); wherein (B) is made of a material that is tougher than (A), (B) forms a continuous layer over a surface of (A) and the thickness of (B) is less than 25% of the total thickness of (A) + (B). The film is useful to make tape products, which are, in turn, useful in packaging and as tear strips to open sealed packages. Preferably, base layer (A) comprises polypropylene and reinforcing layer (B) comprises polyethylene and the thickness of base layer (A) ranges from about 60 mu m to about 125 mu m and the thickness of reinforcing layer (B) ranges from about 2 mu m to about 10 mu m. More particularly, the thickness of reinforcing layer (B) ranges from about 3 mu m to about 5 mu m.