OLEFIN POLYMERIZATION PROCESS
A PROCESS FOR POLYMERIZING AN OLEFIN WHICH COMPRISES POLYMERIZING AN OLEFIN IN THE PRESENCE OF A POLYMERIZATION CATALYST AND A COCATALYST, WHEREIN SAID COCATALYST IS PREPARED BY FORMING A MIXTURE OF (A) A CHROMIUM SALT, (B) A METAL AMIDE; AND (C) AN ETHER. THE CHROMIUM-CONTAINING, OR CHROMIUM PYRROL...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A PROCESS FOR POLYMERIZING AN OLEFIN WHICH COMPRISES POLYMERIZING AN OLEFIN IN THE PRESENCE OF A POLYMERIZATION CATALYST AND A COCATALYST, WHEREIN SAID COCATALYST IS PREPARED BY FORMING A MIXTURE OF (A) A CHROMIUM SALT, (B) A METAL AMIDE; AND (C) AN ETHER. THE CHROMIUM-CONTAINING, OR CHROMIUM PYRROLIDE COMPOUNDS ARE USED AS A COCATALYST IN THE PRESENCE OF AN OLEFIN POLYMERIZATION CATALYST TO PRODUCE A COMONOMER IN-SITU. THE RESULTANT POLYMER, ALTHOUGH PRODUCED FROM PREDOMINATELY ONE MONOMER, HAS CHARACTERISTICS OF A COPOLYMER. |
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