Polyethylene composition and articles made therefrom

A polyethylene composition comprising at least 95 percent by weight of the units derived from ethylene; less than 5 percent by weight of units derived from one or more α-olefin comonomers; wherein said polyethylene composition has a density in the range of 0.930 to 0.945 g/cm3, a molecular weight di...

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Bibliographische Detailangaben
Hauptverfasser:	Kapur, Mridula, Davis, Mark B
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A polyethylene composition comprising at least 95 percent by weight of the units derived from ethylene; less than 5 percent by weight of units derived from one or more α-olefin comonomers; wherein said polyethylene composition has a density in the range of 0.930 to 0.945 g/cm3, a molecular weight distribution characterized by the ratio of the z-average molecular weight to the weight average molecular weight (Mz/Mw) less than 5, a melt index, I2 (measured at 190° C., 2.16 kg), in the range of 0.08 to 0.5 g/10 minutes, and a high flow melt index, I21 (measured at 190° C., 21.6 kg), in the range from 10 to 20 g/10 minutes; and wherein the polyethylene composition is produced utilizing a chromium oxide catalyst is provided.