Highly active double metal cyanide catalysts

Details Highly active double metal cyanide catalysts Highly active double metal cyanide catalysts

B - Operations, Transporting

01

J

B01J 31/22 (2006.01) C08G 59/68 (2006.01)

Patent

CA 2157312

Highly active double metal cyanide (DMC) catalysts are disclosed. The catalysts comprise a DMC complex, and organic complexing agent, and from about 5 to about 80 wt.%, based on the amount of catalyst, of a polyether having a number average molecular weight greater than about 500. A method of preparing the catalysts is also disclosed. The catalysts are easy to prepare, have exceptional activity, and are readily removed, if desired, from polymer products.

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