High activity catalyst for the polymerization of alpha-olefins

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

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Details

252429B, 252431P, 526124, 526121, 526115, 526116, 526114, 526159, 526169, C08F 462, C08F 464, C08F 468, C08F 402

Patent

active

042331820

ABSTRACT:
High activity alpha-olefin polymerization catalysts comprising an organometallic promoter and a component prepared from at least one compound of a Group IVB, VB, or VIB metal, at least one support material which is a divalent metal salt of a phosphorus acid ester having at least one phosphorous acid ester group bonded to metal through oxygen or sulfur, and at least one alkylaluminum halide.

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