Process for the polymerization of alpha-olefins, catalyst employ

Details Process for the polymerization of alpha-olefins, catalyst employ Process for the polymerization of alpha-olefins, catalyst employ

1980-05-12

1981-08-18

Smith, Edward J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

C08F 402

Patent

active

042845262

ABSTRACT:
An alpha-olefin such as ethylene is polymerized in the presence of a catalyst system consisting of (1) an alkyl-halide, alkyl-derivative or hydride of a metal belonging to one of the first three groups of the periodic system and (2) the combination product of a transition metal chloride and titanium trichloride, supported on a previously chlorinated material such as chlorinated .alpha.-alumina having a high superficial area.

REFERENCES:
patent: 3223651 (1965-12-01), Tornqvist et al.
patent: 3256257 (1966-06-01), Orgabright et al.
patent: 3658722 (1972-04-01), Delbouille et al.
patent: 3772261 (1973-11-01), Faltings et al.
patent: 3812089 (1974-05-01), Tashiro et al.

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