Catalyst component for polymerization of alpha-olefins and metho

Details Catalyst component for polymerization of alpha-olefins and metho Catalyst component for polymerization of alpha-olefins and metho

1980-08-11

1983-01-25

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252431R, 252431C, 252431N, 252431P, 526125, 568700, 568715, 568716, 568821, 568822, 568832, 568851, C08F 402, C08F 464

Patent

active

043702570

ABSTRACT:
A process for producing a magnesium containing support for titanium comprising contacting magnesium metal, a halogenated hydrocarbon and a compound represented by the formula X'.sub.m C(OR').sub.4-m wherein X' is a hydrogen atom, a halogen atom or a C.sub.1 -C.sub.10 alkyl, aryl, cycloalkyl or halogenated alkyl, aryl, cycloalkyl group, R' is a C.sub.1 -C.sub.20 alkyl, aryl or cycloalkyl group and m is 0, 1 or 2 to form a magnesium-containing solid represented by the formula R'OMgX and thereafter contacting the magnesium-containing solid with a Lewis base or a compound which can form an ester such as benzoyl chloride and a titanium compound such as titanium tetrachloride. The obtained magnesium supported titanium composition is useful as a catalyst component in combination with a co-catalyst organoaluminum compound for the polymerization of olefins.

REFERENCES:
patent: 3381047 (1968-04-01), Eleuterio et al.
patent: 3784481 (1974-01-01), Lassau et al.
patent: 4220554 (1980-09-01), Scata et al.
patent: 4232139 (1980-11-01), Minami et al.

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