Supported catalyst for polymerization of olefins

Details Supported catalyst for polymerization of olefins Supported catalyst for polymerization of olefins

1982-12-20

1984-09-18

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...

502113, 502118, 502119, 502121, 502122, 502123, 502124, 502125, 502126, 502127, 526114, 526125, C08F 464

Patent

active

044725213

ABSTRACT:
An unmilled catalytic component for polymerizing olefins with high activity to yield polymers with high stereoregularity and a narrow particle size distribution with a low weight percentage of small particles comprises a solid, unmilled support containing magnesium-halogen bonds, a transition metal halide of a metal selected from Groups IVB and VB of the periodic table, and electron donors.
This catalytic component is obtained by steps comprising:

REFERENCES:
patent: 3135809 (1964-06-01), Bosmajian
patent: 3901863 (1975-08-01), Berger et al.
patent: 4039472 (1977-08-01), Hoff
patent: 4218339 (1980-08-01), Zucchini et al.
patent: 4250288 (1981-02-01), Lowery et al.
patent: 4252670 (1981-02-01), Caunt et al.
patent: 4329253 (1982-05-01), Goodall et al.
patent: 4363746 (1982-12-01), Capshew

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