Catalyst for polymerizing olefins and polymerization method of o

Details Catalyst for polymerizing olefins and polymerization method of o Catalyst for polymerizing olefins and polymerization method of o

1978-02-10

1979-06-26

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252431C, 526124, 526125, 526127, 526128, C08F 464

Patent

active

041592565

ABSTRACT:
Novel high active catalysts useful for highly stereospecific polymerization of olefin which enables to produce polymer of low content of catalyst residue, and of good grain size having a high stereoregularity can be obtained by a combination of [A] a solid catalyst component obtained by reacting and/or grinding a specified organomagnesium component (i) with a specified chlorosilane compound containing Si-H (ii) to obtain a solid (1) and reacting said solid (1) with a titanium compound containing at least one halogen atom (2) and a carboxylic acid or a derivative thereof (3) and [B] a component consisting of an organometallic compound and a carboxylic acid or a derivative thereof. The organomagnesium component is of the formula

REFERENCES:
patent: 3670043 (1972-06-01), Kobicek et al.
patent: 3676418 (1972-07-01), Tashiro et al.
patent: 3784481 (1974-01-01), Lassau et al.
patent: 3823196 (1974-07-01), Morikawa et al.
patent: 4004071 (1977-01-01), Aishima et al.
patent: 4027089 (1977-05-01), Aishima et al.

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