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

1977-12-23

1980-12-16

Smith, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429C, 526 97, 526115, 526116, 526352, C08F 402, C08F 1002

Patent

active

042398738

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 .gamma.-alumina having a high superficial area.

REFERENCES:
patent: 3223651 (1965-12-01), Tornquist et al.
patent: 3256257 (1966-06-01), Argabright 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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