Process for the direct synthesis of highly amorphous propylene homopolymers and propylene-ethylene copolymers

Process for the direct synthesis of highly amorphous propylene homopolymers and propylene-ethylene copolymers

Disclosed is a process for the production of highly amorphous propylene homopolymers or propylene-ethylene copolymers which comprises polymerizing propylene or a mixture of propylene and ethylene at a temperature of 130 DEG C-190 DEG C and a pressure of about 300-5000 psig (2,068-34,475 kPa) in the...

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Bibliographische Detailangaben
Hauptverfasser: SMITH, THOMAS WILLIAM, PEARSON, NEAL, AMES, WILLIAM ALBERT, HOLLIDAY, ROBERT EMMETT
Format: Patent
Sprache:eng ; fre ; ger
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:Disclosed is a process for the production of highly amorphous propylene homopolymers or propylene-ethylene copolymers which comprises polymerizing propylene or a mixture of propylene and ethylene at a temperature of 130 DEG C-190 DEG C and a pressure of about 300-5000 psig (2,068-34,475 kPa) in the presence of a catalyst system which comprises (a) titanium halide on a support comprising magnesium chloride and (b) an aluminum alkyl.