Chlorotrifluoroethylene telomers

Details Chlorotrifluoroethylene telomers Chlorotrifluoroethylene telomers

1988-12-23

1991-05-07

Lieberman, Paul

Compositions

Heat-exchange, low-freezing or pour point, or high boiling...

Organic components

252 54, 252 58, 252 73, 568676, 568677, 568683, 568684, 568614, 568615, 570134, 570142, C10M10552, C10M10554

Patent

active

050134728

ABSTRACT:
New chlorotrifluoroethylene telomers and process for preparing them. Chlorotrifluoroethylene is reacted, at a temperature ranging from -100.degree. to +40.degree. C., with a fluoroxy compound of formula R.sub.x --CF.sub.2 OF, wherein R.sub.x represents among others a perhalogenated alkyl radical containing from 1 to 10 carbon atoms. There are obtained telomer mixtures having, among others, the following formulae: R.sub.x --CF.sub.2 --O--(M).sub.n --F; R.sub.x --CF.sub.2 --O--(M).sub.n --O--CF.sub.2 --R.sub.x ; R.sub.x --(M).sub.n --F; R.sub.x (M).sub.n --R.sub.x ; R.sub.x --CF.sub.2 --O--(M).sub.n --R.sub.x and F--(M).sub.n --F; wherein M is CF.sub.2 --CFCL and "N" ranges from 2 to 20. Most of these telomers are new compounds.

REFERENCES:
patent: 3076765 (1963-02-01), West
patent: 4528109 (1985-07-01), Fifolt et al.
patent: 4533762 (1985-08-01), Campbell et al.
patent: 4577044 (1986-03-01), Campbell et al.

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