Process for preparing olefin oxide polymerization catalysts

Details Process for preparing olefin oxide polymerization catalysts Process for preparing olefin oxide polymerization catalysts

C - Chemistry, Metallurgy

08

F

252/124, 402/268

C08F 4/10 (2006.01) C08G 59/68 (2006.01) C08G 65/00 (2006.01) C08G 65/26 (2006.01)

Patent

CA 1111409

Abstract of the Disclosure In a process for the preparation of an olefin oxide polymerization catalyst comprising: (i) admixing calcium, ammonia, an alkylene oxide modifier, and an organic nitrile modifier, the alkylene oxide consisting of carbon, hydrogen, and oxirane oxygen atoms and the organic nitrile consisting of carbon, nitrogen, and hydrogen atoms, at least one hydrogen atom being acidic, to form a slurry of modified calcium hexammine in ammonia; and (ii) evaporating ammonia to provide a soled residue, the improvement comprising: aging the solid residue at a temperature in the range of about 130°C to about 225°C.

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