Liquid phase fluorination

Details Liquid phase fluorination Liquid phase fluorination

C - Chemistry, Metallurgy

07

C

260/486.2, 260/5

C07C 41/22 (2006.01) C07B 39/00 (2006.01) C07C 17/02 (2006.01) C07C 17/06 (2006.01) C07C 17/12 (2006.01) C07C 31/40 (2006.01) C07C 41/48 (2006.01) C07C 43/12 (2006.01) C07C 43/313 (2006.01) C07C 43/315 (2006.01) C07C 43/32 (2006.01) C07C 45/54 (2006.01) C07C 49/167 (2006.01) C07C 67/307 (2006.01) C07C 69/708 (2006.01) C07C 209/74 (2006.01) C07C 211/15 (2006.01) C08G 65/00 (2006.01) C08G 65/323 (2006.01) C08G 65/337 (2006.01)

Patent

CA 1336002

This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds. A hydrogen- containing compound is introduced into a liquid, perfluorocarbon, perhalogenated chlorofluorocarbon or chlorofluoroether medium while agitating the medium so that the hydrogen-containing compound is dissolved or dispersed within the liquid medium. A mixture of fluorine gas and a diluent gas is then introduced into the medium to fluorinate the hydrogen-containing compound, the fluorine being diluted so that the liquid perfluorocarbon, perhalogenated chlorofluorocarbon or chlorofluoroether medium and fluorine in the vapor space do not form a flammable mixture, the amount of fluorine gas being in excess of the stoichiometric amount needed to replace all of the hydrogen atoms of the hydrogen-containing compound with fluorine. The fluorination is continued until the hydrogen-containing compound is fluorinated.

613901

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