Process for continuous multi-stage polymerization of olefins

Details Process for continuous multi-stage polymerization of olefins Process for continuous multi-stage polymerization of olefins

1985-07-31

1987-09-08

Schofer, Joseph L.

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

Synthetic resins

Polymerizing in two or more physically distinct zones

526351, 526352, 526901, 525 53, 528498, 422134, C08F 214, C08F 624

Patent

active

046925015

ABSTRACT:
In a process for producing an olefin polymer which comprises continuously polymerizing an olefin in the presence of a catalyst composed of a transition metal compound component and an organometallic compound component in at least two independent polymerization zones connected in series by a pipeline while feeding the olefin and the catalyst into an upstream zone of polymerization and withdrawing the resulting polymer from a downstream zone of polymerization; the improvement wherein

REFERENCES:
patent: 3347955 (1967-10-01), Renaudo
patent: 4053697 (1977-10-01), Asada et al.
patent: 4187278 (1980-02-01), Clifford
patent: 4368291 (1983-01-01), Frese et al.
patent: 4492787 (1985-01-01), Takashima et al.

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