BENZOATE ESTER-TITANIUM HALIDE COORDINATION COMPLEX CATALYSTS FOR THE PREPARATION OF HOMOPOLYMERS AND COPOLYMERS OF ALPHA MONOOLEFINS

BENZOATE ESTER-TITANIUM HALIDE COORDINATION COMPLEX CATALYSTS FOR THE PREPARATION OF HOMOPOLYMERS AND COPOLYMERS OF ALPHA MONOOLEFINS

A process for the preparation of homopolymers and copolymers of alpha monoolefins by means of a catalyst system characterized by high activity, high polymer production rates, low residual chloride in the polymer, and polymer morphological properties which allow the use of high reactor temperatures,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: THADDEUS WILLIAM KLIMEK, JAMES FRANCIS ROSS, RICHARD WARREN FRIES, ROLF FRANZ FOERSTER
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:A process for the preparation of homopolymers and copolymers of alpha monoolefins by means of a catalyst system characterized by high activity, high polymer production rates, low residual chloride in the polymer, and polymer morphological properties which allow the use of high reactor temperatures, and comprising (1) a coordination complex formed between a titanium halide of the formula TiCl3 &cirf& m AlCl3 where m is a number from 0 to 0.5, and a benzoic acid ester of the formula where R is an alkyl radical or an aromatic or aliphatic radical, and (2) an appropriate conventional aluminium alkyl, the titanium halide and the ester having been milled together before use.