Polymerization of propylene with a catalyst prepared in situ

Details Polymerization of propylene with a catalyst prepared in situ Polymerization of propylene with a catalyst prepared in situ

1978-06-20

1980-10-14

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 96, 526123, 526130, 526348, 526351, 526903, C08F 402, C08F 1006

Patent

active

042282632

ABSTRACT:
In the production of elastomeric polypropylene by polymerizing propylene in the presence of a catalyst system which is the reaction product of a metal oxide and and an organometallic compound of Zr, Ti or Hf under conditions such that the reaction medium contains liquid propylene, a fluid, mobile slurry of polypropylene in propylene is formed by mixing the components of the catalyst system together in the presence of the propylene to be polymerized.

REFERENCES:
patent: 3002961 (1961-10-01), Kirschner et al.
patent: 3694422 (1972-09-01), Long
patent: 3794628 (1974-02-01), Bower
patent: 3840508 (1974-10-01), Ballard et al.
patent: 3875132 (1975-04-01), Kruse
patent: 3932307 (1976-01-01), Setterquist

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