Fluorination of chlorinated hydrocarbons

Details Fluorination of chlorinated hydrocarbons Fluorination of chlorinated hydrocarbons

1978-05-22

1979-04-03

Davis, C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2606533, 2606537, C07C 1708, C07C 1715

Patent

active

041477332

ABSTRACT:
Chlorine atoms in chlorinated lower aliphatic hydrocarbons are replaced by fluorine in the vapor phase reaction of the chlorinated hydrocarbons with aqueous HF at 275.degree. C.- 425.degree. C. in the presence of a metal fluoride catalyst, particularly where the metal is one or more of aluminum, nickel, or chromium. The fluorinated products are blowing agents, refrigerants, monomers, or intermediates for making them.

REFERENCES:
patent: 2744148 (1956-05-01), Ruh et al.
patent: 3258500 (1966-06-01), Swamer et al.
patent: 3862995 (1975-01-01), Martens et al.
patent: 4039596 (1977-08-01), Pieters et al.
patent: 4052468 (1977-10-01), Peterson et al.

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