Process for the manufacture of linear polyethylene containing alpha -alkene commonomers

Process for the manufacture of linear polyethylene containing alpha -alkene commonomers

A process for making a blend of high-density polyethylene polymers containing one or more C3 to C12 alpha -olefin comonomers. The process begins in two parallel streams. In one stream ethylene is polymerized alone, and in the second stream ethylene is polymerized with the comonomer(s). The two strea...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FEIG, JAMES E, LUNDEEN, ALLAN J
Format: Patent
Sprache:eng
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 process for making a blend of high-density polyethylene polymers containing one or more C3 to C12 alpha -olefin comonomers. The process begins in two parallel streams. In one stream ethylene is polymerized alone, and in the second stream ethylene is polymerized with the comonomer(s). The two streams are combined in a subsequent reactor where the polymerization process is completed. The polymerization produces a polymer wherein the comonomer is concentrated in the higher molecular weight fractions.