Process for preparing a Ziegler type catalytic system and proces

Details Process for preparing a Ziegler type catalytic system and proces Process for preparing a Ziegler type catalytic system and proces

1988-12-29

1991-01-08

Garvin, Patrick P.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526156, 526352, 502132, C08F 402

Patent

active

049836935

ABSTRACT:
Description of the preparation of a Ziegler type catalyst system through impregnation of a special alumina with 0.8-1.0% by weight of titanium derived from a dilute solution of titanium halide in n-hexane, the activator employed being triisobutylaluminum or triethylaluminum at an (Al)/(Ti) molar ratio of 2.5/1 to 80/1 in the catalyst. The catalyst system has high efficiency and yield, and leads to polyethylenes of excellent physical and mechanical properties which make it particularly suitable for use in engineering plastics.

REFERENCES:
patent: 4247669 (1981-01-01), Reginato et al.
patent: 4295991 (1981-10-01), Wristers

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