Alpha-olefin polymerization

Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants

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252429C, 526119, C08F 402, C08F 464

Patent

active

043917364

ABSTRACT:
A process and catalyst for the polymerization of olefins wherein the catalyst comprises the product obtained by reacting a complex of a magnesium dihalide and a tetraalkyl titanate with the product resulting from a reaction between an organometallic compound and a hydroxyl-containing carrier such as silica and then reacting that product with a titanium halide.

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patent: 4039472 (1977-08-01), Hoff
patent: 4089808 (1978-05-01), Zucchini et al.
patent: 4218339 (1980-08-01), Zucchini et al.

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