Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1996-02-02
1997-02-18
Delmendo, Romulo H.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
502125, 502129, 502133, 5261245, 5261246, 5261254, 5261258, 526908, C08F 4656
Patent
active
056041721
ABSTRACT:
A process is provided for preparing a shape-shifted catalyst component comprising (1) contacting a dihydrocarbyloxide magnesium compound with carbon dioxide in the presence of a slurrying agent to form a slurry of a carboxylated dihydrocarbyloxide magnesium compound; (2) adding a filler to the slurry either before or after the carboxylation of step (1); (3) spray drying the slurry of step (2) to evaporate the slurrying agent and to produce solid particles of the carboxylated dihydrocarbyloxide magnesium compound incorporating the filler; and, optionally, (4) heating the solid particles to remove carbon dioxide to produce a shape-shifted dihydrocarbyloxide magnesium compound component. A catalyst system using the component and a polymerization process employing the catalyst system are also provided.
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Boor, Jr., John, Ziegler-Natta Catalysts and Polymerizations, Academic Press, New York, 1979, pp. 602-609.
Jorgensen Robert J.
Wagner Burkhard E.
Zilker, Jr. Daniel P.
Delmendo Romulo H.
Reiskind A. S.
Union Carbide Chemicals & Plastics Technology Corporation
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