ETHYLENE-A-OLEFIN COPOLYMER AND PROCESS FOR MANUFACTURING THEREOF

ETHYLENE-A-OLEFIN COPOLYMER AND PROCESS FOR MANUFACTURING THEREOF

An ethylene-α-olefin copolymer includes moieties derived from ethylene and moieties derived from an α-olefin comprising 3 to 10 carbon atoms, wherein the copolymer has: a short chain branching ratio (SCBR) of >1.40;a short chain branching content of ≥15.0/1000 C; a molecular weight distribution M...

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Bibliographische Detailangaben
Hauptverfasser: AlSaif, Nasser Abdullah, Li, Lidong, Al-Shibel, Mohammad, Banat, Yahya
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:An ethylene-α-olefin copolymer includes moieties derived from ethylene and moieties derived from an α-olefin comprising 3 to 10 carbon atoms, wherein the copolymer has: a short chain branching ratio (SCBR) of >1.40;a short chain branching content of ≥15.0/1000 C; a molecular weight distribution Mw/Mn of ≥10.0; and a quantity of polymer moieties derived from an α-olefin comprising 3 to 10 carbon atoms of ≥1.0 and ≤20.0 wt %, with regard to the total weight of the copolymer. Such copolymer demonstrates improved melt processability, as well as allows for manufacturing of films having desirable mechanical properties, in particular in production of films such as by blown film production or by cast film production.