Catalyst for preparing polyalkenes

Details Catalyst for preparing polyalkenes Catalyst for preparing polyalkenes

1978-03-08

1979-11-06

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252429C, 252428, 252430, 252431R, 526151, C08F 464

Patent

active

041735471

ABSTRACT:
An improved process for polymerizing .alpha.-alkenes and using Ziegler-type catalyst compositions is described.
The Ziegler-type catalyst composition comprises a component consisting of an organoaluminum compound, an organomagnesium compound and a titanium compound or their reaction products on an inorganic porous solid particulate carrier material, wherein the aluminum/magnesium/titanium components are distributed and absorbed onto the inorganic carrier material, in separate steps, with removal of solvent or diluent therein between whereby the final catalyst/carrier composition when used in the polymerization process produces solid particulate polymer products with narrow particle size distributions.

REFERENCES:
patent: 3094568 (1963-06-01), Hay et al.
patent: 3549717 (1970-12-01), Itakura et al.
patent: 4004071 (1977-01-01), Aishima et al.

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