NOVEL BIMODAL RESINS HAVING GOOD FILM PROCESSABILITY

NOVEL BIMODAL RESINS HAVING GOOD FILM PROCESSABILITY

A bimodal polyethylene copolymer comprising a lower molecular weight (LMW) component and a higher molecular weight (HMW) component, the copolymer having a z-average molecular weight (Mz) of from about 1,000 kg/mol to about 2,500 kg/mol, a weight fraction of the LMW component (LMW fr.) of from about...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LANIER, Jerry T, ST JEAN, Guylaine, YANG, Qing
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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 bimodal polyethylene copolymer comprising a lower molecular weight (LMW) component and a higher molecular weight (HMW) component, the copolymer having a z-average molecular weight (Mz) of from about 1,000 kg/mol to about 2,500 kg/mol, a weight fraction of the LMW component (LMW fr.) of from about 0.60 to 0.85, a ratio of a weight average molecular weight (Mw) of the HMW component (HMW Mw) to a Mw of the LMW component (LMW Mw) of from about 14 to about 25, a zero shear viscosity ( 0) of from about 5×105 Pa-s to about 1×107 Pa-s and a HMW Mw of from about 800 kg/mol to about 1,500 kg/mol.