Process for preparing peroxidic perfluoropolyethers

Details Process for preparing peroxidic perfluoropolyethers Process for preparing peroxidic perfluoropolyethers

1997-02-14

1998-07-21

Gorgos, Kathryn L.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415792, 568560, 568561, C07F 100, C07C 4100, C07C40900

Patent

active

057837899

ABSTRACT:
Tetrafluoroethylene oxidation process comprising the step of oxidizing tetrafluoroethylene in solution at temperatures between -80.degree. C. and -50.degree. C. in the presence of ultraviolet radiation, oxygen and perfluoroethane (125) as solvent to obtain peroxidic perfluoropolyethers.

REFERENCES:
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patent: 3847978 (1974-11-01), Sianesi et al.
patent: 4451646 (1984-05-01), Sianesi et al.
patent: 4858299 (1989-08-01), Kobayashi et al.
patent: 5258110 (1993-11-01), Sianesi et al.
patent: 5354922 (1994-10-01), Marchionni et al.

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