Process for the production of polyolefins

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

1978-03-16

1980-06-24

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429B, 252429C, 526125, 526132, 526348, 526352, 526906, C08F 402, C08F 1002

Patent

active

042096014

ABSTRACT:
The present invention discloses improved catalysts for polymerizing or copolymerizing olefins and a process for the production of polyolefins comprising a polymerization or copolymerization of olefins by the use of said catalysts. According to the invention there is provided a process for the production of polyolefins by polymerizing or copolymerizing olefins using as the catalyst a solid component containing a titanium compound and/or a vanadium compound and an organometallic compound, said solid component comprising a substance obtained by co-pulverizing (1) a metal halide selected from the group consisting of magnesium halides and manganese halides, (2) a compound represented by the general formula B(OR).sub.n X.sub.3-n X3 in which n is a number of the range 0<n.ltoreq.3, X represents a halogen atom and R is a hydrocarbon radical containing from 1 to 20 carbon atoms and may be alike or different and (3) a titanium compound and/or a vanadium compound.

REFERENCES:
patent: 3502634 (1970-03-01), Stedefeder et al.
patent: 3991260 (1976-11-01), Matsuura et al.

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