Purification of fluorinated ethers

Details Purification of fluorinated ethers Purification of fluorinated ethers

1974-11-20

1977-05-24

Mars, Howard T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

203 34, 203 42, 203 71, C07C 4112

Patent

active

040255670

ABSTRACT:
A process for the purification of partially fluorinated dimethyl ethers to remove impurities from bis(difluoromethyl) ether and from difluoromethyl fluoromethyl ether by washing the ether-containing stream with sulfuric acid or hydrochloric acid. The acid extract is diluted with water to form two phases which can be separated.

REFERENCES:
patent: 2500388 (1950-03-01), Simons
patent: 2519983 (1950-08-01), Simons
patent: 3650917 (1972-03-01), Ruehlen
patent: 3660254 (1972-05-01), Dunn

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