Process for producing olefin polymers

Details Process for producing olefin polymers Process for producing olefin polymers

1980-12-04

1982-07-13

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252431R, 526132, 526133, C08F 464, C08F 468

Patent

active

043393519

ABSTRACT:
A process for producing olefin polymers, which comprises polymerizing or copolymerizing olefins in the presence of a catalyst comprising a solid catalyst component and an organoaluminum compound, said solid catalyst component being a titanium compound and/or a vanadium compound supported on a solid product obtained by the reaction between a Grignard compound and a boron compound represented by the general formula B(OR.sup.1).sub.a R.sup.2.sub.b R.sup.3.sub.c, wherein a, b and c are numbers defined by the formulas 0<a.ltoreq.3, 0.ltoreq.b<3, 0.ltoreq.c<3 and a+b+c=3, R.sup.1 represents a hydrocarbon radical having 1 to 20 carbon atoms, and R.sup.2 and R.sup.3, which may be the same or different, represent each a hydrogen atom, a hydrocarbon radical having 1 to 20 carbon atoms, or a halogen atom.

REFERENCES:
patent: 3579493 (1971-05-01), Ziegler et al.
patent: 4209601 (1980-06-01), Kuroda et al.
patent: 4258168 (1981-03-01), Karayannis et al.

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