Process for the production of polyethylene compositions

Details Process for the production of polyethylene compositions Process for the production of polyethylene compositions

1984-11-08

1986-01-14

Lilling, Herbert J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523200, 523202, 523204, 523215, 523216, 524855, 526129, 526160, C08K 304, C08K 902, C08F 244, C08F 1002

Patent

active

045646473

ABSTRACT:
A process for producing a polyethylene composition which comprises polymerizing ethylene in the presence of a catalyst comprising (A) a contact treatment product of (a) a high activity catalyst component and (b) a filler, and (B) an organoaluminum compound.
This process has no need for a deashing step, i.e., a step to remove the catalyst after polymerization, since the catalyst has a remarkably high activity.
In the polyethylene composition produced, the filler is dispersed uniformly and the separation of the filler from the polyethylene is scarcely observed.

REFERENCES:
patent: 2917501 (1959-12-01), Drucker et al.
patent: 2924593 (1960-02-01), Breslow
patent: 3161629 (1964-12-01), Gorsich
patent: 3950303 (1976-04-01), Lipscomb
patent: 3971767 (1976-07-01), Setterquist
patent: 4241112 (1980-12-01), Kostandov et al.
patent: 4404344 (1983-09-01), Sinn et al.
patent: 4473672 (1984-09-01), Bottrill

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