Production of bis(fluoromethyl)ether and/or difluoromethane...

Details Production of bis(fluoromethyl)ether and/or difluoromethane... Production of bis(fluoromethyl)ether and/or difluoromethane...

C - Chemistry, Metallurgy

07

C

C07C 43/12 (2006.01) C07C 17/361 (2006.01) C07C 19/08 (2006.01) C07C 41/01 (2006.01) C07C 17/24 (1990.01)

Patent

CA 2123100

A process for the production of bis(fluoromethyl)ether by contacting formaldehyde with hydrogen fluoride in a reaction/ distillation vessel. The reaction/distillation vessel is preferably a reaction/distillation column through which formaldehyde and hydrogen fluoride preferably flow in counter current. The bis(fluoromethyl)ether may be converted to difluoromethane, prefer- ably by heating the bis(fluoromethyl)ether to elevated temperature in the presence of a metal, metal oxide, metal fluoride or metal oxyfluoride catalyst.

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