Chlorotrifluoroethylene telomerization process

Details Chlorotrifluoroethylene telomerization process Chlorotrifluoroethylene telomerization process

1983-11-02

1987-09-01

Moyer, Donald B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

C07C 1726

Patent

active

046910654

ABSTRACT:
An improved process for preparaing telomers of chlorotrifluoroethylene comprises the solution telomerization reaction of chlorotrifluoroethylene with carbon tetrachloride in the presence of a catalytic amount of cupric chloride (CuCl.sub.2) and an iron reductant. Preferably, the solvent for the system comprises acetonitrile, and the telomerization is carried out under elevated pressure conditions and at a temperature in the range of from about 90.degree. C. to about 150.degree. C. The crude telomer prepared by this process can be fluorinated to produce a stabilized oil or grease.

REFERENCES:
patent: 2766299 (1956-10-01), Schaff
patent: 3651019 (1972-03-01), Asscher et al.
patent: 3843734 (1974-10-01), Trebillon

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