Polymerisation von Olefinen

PCT No. PCT/GB92/00618 Sec. 371 Date Jan. 19, 1994 Sec. 102(e) Date Jan. 19, 1994 PCT Filed Apr. 7, 1992 PCT Pub. No. WO92/17510 PCT Pub. Date Oct. 15, 1992.Olefin polymerisation uses catalysts based in pi-arene complexes of lanthanide metals in particular such catalysts supported on hydrophobic or...

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Hauptverfasser:	WHYMAN, ROBIN 25 ROWAN PARK CHRISTLETON, CHESHIRE AH3 7AZ, GB, JONES, PETER, JOHN, VAUGHAN 25 MANOR COURT, CLEVELAND TS22 5LS, GB, SEGAL, JOHN, ANTHONY 2 COPPICE HAWLEY LANE, CHESHIRE WA15 0XX, GB
Format:	Patent
Sprache:	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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Zusammenfassung:	PCT No. PCT/GB92/00618 Sec. 371 Date Jan. 19, 1994 Sec. 102(e) Date Jan. 19, 1994 PCT Filed Apr. 7, 1992 PCT Pub. No. WO92/17510 PCT Pub. Date Oct. 15, 1992.Olefin polymerisation uses catalysts based in pi-arene complexes of lanthanide metals in particular such catalysts supported on hydrophobic or hydroxylic surfaces particularly of alumina or silica halide surfaces particularly magnesium chloride. Such catalysts will polymerise ethylene and also propylene to give a largely isotactic polymer without using an electron donor to enhance stereo regularity. They also do not require co-catalysts to activate polymeriscation.