C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 43/12 (2006.01) C07C 41/01 (2006.01) C07C 41/16 (2006.01)
Patent
CA 2111762
ABSTRACT A novel process for synthesizing difluoromethyl methyl ether for use as regrigerants and blowing agents, etc. is hereby disclosed. This process involves (1) feeding chlorodifluoromethane at a rate from about 0.5 to 5 grams of feed gas per gram of solution per minute through a sodium methoxide in methanol or basic ion exchange slurry in methanol; (2) removing the gaseous product and the unreacted chlorodifluoromethane continuously; and (3) separating difluoromethyl ether from the unreacted chlorodifluoromethane.
Bulka Robert J.
O'neill Gerald J.
Popper Felix B.
Hampshire Chemical Corp.
Smart & Biggar
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