Titanium halide catalyst for polymerization

Details Titanium halide catalyst for polymerization Titanium halide catalyst for polymerization

1980-05-12

1982-01-26

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

526125, C08F 464

Patent

active

043127827

ABSTRACT:
A novel catalyst system for the polymerization of alpha-olefins is provided. The catalyst system comprises: (a) an organoaluminum containing component, e.g. triethyl aluminum, and (b) a titanium halide containing component. The titanium halide containing component is obtained by copulverizing a halogen containing magnesium compound, e.g. MgCl.sub.2, with an active hydrogen containing organic compound, e.g. phenol, to produce a copulverized product. The copulverized product is then reacted with an organometallic compound of a metal of Groups I to III of the Periodic Table, e.g. triethyl aluminum, to produce a reaction product. The reaction product is then copulverized with a complex of a first titanium halide compound and an electron-donor, e.g. TiCl.sub.4.ethyl benzoate, to produce a solid reaction product. The solid reaction product is then reacted with a second titanium halide compound, e.g. TiCl.sub.4.
A novel titanium halide containing component is provided as well as a process for producing said component. A process for the polymerization of alpha-olefins is also provided.

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patent: 4107413 (1978-08-01), Giannini et al.
patent: 4143223 (1979-03-01), Toyota et al.
patent: 4149990 (1979-04-01), Giannini et al.

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