Carbon dioxide oxirane copolymers prepared using double metal cyanide complexes
AssigneeThe Dow Chemical Company
InventorsWilliam J. Kruper, Jr., Daniel J. Swart
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Abstract
The invention is a process for the preparation of a carbon dioxide oxirane copolymer wherein the process comprises contacting carbon dioxide with an oxirane in the presence of (1) an organic coordination compound and (2) a catalytic amount of a double metal cyanide complex under conditions such that an oxirane carbon dioxide copolymer is prepared.
Claims22
A process for the preparation of a carbon dioxide oxirane copolymer wherein the process comprises contacting carbon dioxide with an oxirane in the presence of (1) an organic coordination compound and (2) a catalytic amount of a double metal cyanide complex under conditions such that an oxirane carbon dioxide copolymer is prepared.
Dependencies are inferred from the claim text.