Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1982-06-22
1984-03-27
Garvin, Patrick
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
502107, 502111, 502104, 502133, 502125, 502126, 502127, 502123, 502121, 526124, C08F 464
Patent
active
044395370
ABSTRACT:
A process for the preparation of the former catalyst component of a catalyst for the polymerization of olefins composed of a titanium-based catalyst component and an organo aluminium compound is disclosed.
The former catalyst component can readily be produced by contacting (a) a fatty acid salt of magnesium, (b) an electron donor compound and (c) a titanium halide.
In the polymerization of olefins by use of the former catalyst component, both the amount of catalyst residues in the produced polymer and halogen content therein are greatly reduced with high polymerization activity per unit weight of the former catalyst component and with high yield of stereoregular polymer.
REFERENCES:
patent: 3642746 (1972-02-01), Kashiwa et al.
patent: 4143223 (1979-03-01), Toyota et al.
patent: 4170568 (1979-10-01), Kirkwood
patent: 4319010 (1982-03-01), van den Berg
patent: 4364853 (1982-12-01), Mink et al.
Hitosugi Yoshikazu
Inoue Masuo
Kimura Kouhei
Miyoshi Katsuyoshi
Murai Atsushi
Garvin Patrick
Toho Titanium Co., Ltd.
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