Process for the polymerization of .alpha.-olefins

Details Process for the polymerization of .alpha.-olefins Process for the polymerization of .alpha.-olefins

1976-12-15

1978-06-13

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429B, 526139, 526348, 526351, C08F 466, C08F 1006

Patent

active

040950166

ABSTRACT:
A catalyst system comprising (1) a cocrystallized titanium trichloride-aluminum chloride modified with phosphorus oxytrichloride, (2) an organo aluminum compound, and (3) an organic trithiophosphite or trithiophosphate for the production of polymers in high yields and of reduced amorphous polymer content.

REFERENCES:
patent: 3639375 (1972-02-01), Slaiger et al.
patent: 3644320 (1972-02-01), Sugiura et al.
patent: 3736307 (1973-05-01), Perry
patent: 3752797 (1973-08-01), Gordon et al.
patent: 3926928 (1975-12-01), Karayannis et al.
patent: 3940345 (1976-02-01), Count

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