Process for preparing neutral and functional perfluoropolyethers

Details Process for preparing neutral and functional perfluoropolyethers Process for preparing neutral and functional perfluoropolyethers

1985-05-22

1988-07-05

Killos, Paul J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

568615, C07C 59315

Patent

active

047553308

ABSTRACT:
A process for decomposing perfluoropolyethers to products with a controlled molecular weight, comprising heating the perfluoropolyethers at temperatures of from 150.degree. to 380.degree. C. with 0.1%-2% by weight of a catalyst comprising a fluoride and/or oxyfluoride of Al, Ti, V, Co or Ni; and in case to fluorination at high temperatures to obtain completely neutral perfluoropolyethers.

REFERENCES:
patent: 3250808 (1966-05-01), Moore et al.
patent: 3985810 (1976-10-01), von Halasz et al.
Shinn, Dennis B. et al. Inorganic Chemistry, vol. 5 (1966) pp. 1937-33.
Staritzky et al. Analytical Chemistry, vol. 29 (1957) page 984.

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