Process for the production of polyolefins

Details Process for the production of polyolefins Process for the production of polyolefins

1976-09-10

1977-12-27

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, 526125, 526352, C08F 402, C08F 1002

Patent

active

040656110

ABSTRACT:
Processes for the production of polyolefins are disclosed in which olefins are polymerized in the presence of Ziegler catalyst components carried on magnesium oxide. The polymerization is effected in the presence of a solid catalyst comprising a transition metal halide carried on magnesium oxide, such oxide having been pretreated with an organic halide, and another catalyst component selected from the group consisting of organoaluminum compounds and alkylzinc. The combination of these catalysts contributes to increased polymer yields based on both carrier and transition metal.

REFERENCES:
patent: 3513150 (1970-05-01), Matsuura et al.
patent: 3658722 (1972-04-01), Delbouille et al.
patent: 3663660 (1972-05-01), Dilbouille et al.
patent: 3676415 (1972-07-01), Diedrich et al.
patent: 3888789 (1975-06-01), Dombro et al.

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