Olefin polymerization catalyst system producing polymer with low

Details Olefin polymerization catalyst system producing polymer with low Olefin polymerization catalyst system producing polymer with low

1984-09-24

1986-01-28

Garvin, Patrick P.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

502121, 502122, 526124, 526125, 526141, C08F 464

Patent

active

045671559

ABSTRACT:
A catalyst system especially suited for polymerizing alpha-olefins in the gas-phase to polymers containing essentially no active chloride comprises (A) a titanium-containing component supported on a hydrocarbon-insoluble magnesium-containing compound in combination with an electron donor compound and (B) a co-catalyst comprising (a) at least one trialkylaluminum compound (b) an aromatic acid ester and (c) an unhindered secondary amine, optionally reacted with a dialkylaluminum hydride, in substantial absence of compounds containing an Al-Cl bond.

REFERENCES:
patent: 3318860 (1967-05-01), Eichenbaum
patent: 3670043 (1972-06-01), Kubicek et al.
patent: 4279776 (1981-07-01), Shiga et al.
patent: 4310439 (1982-01-01), Langer
patent: 4312784 (1982-01-01), Welch
patent: 4324690 (1982-04-01), Karayannis et al.
patent: 4400302 (1983-08-01), Goodall et al.
patent: 4431570 (1984-02-01), Johnson

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