Method for synthesizing poly(carbonyl fluoride) oligomers

Details Method for synthesizing poly(carbonyl fluoride) oligomers Method for synthesizing poly(carbonyl fluoride) oligomers

1981-06-17

1982-10-26

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

B01J 1912

Patent

active

043560709

ABSTRACT:
F-3-Methylbutene-1 has been oxidized using oxygen and ultraviolet radiation to form poly(carbonyl fluoride) oligomers. The formation of fluoroformate terminated material is insignificant. This is in sharp contrast to the products derived from the prior art oxidation of F-propene (HFP) in which up to 60% fluoroformate terminated material was produced. F-Ethylene (TFE) can be added to the F-3-methylbutene-1 reaction gas stream without adversely affecting the product composition. The fluoride oligomers, after addition of one unit of hexafluoropropylene oxide, can be converted to s-triazines which have excellent properties as hydrualic fluids.

REFERENCES:
patent: 2575125 (1951-11-01), Prober
patent: 2700661 (1955-01-01), Miller
patent: 3442942 (1969-05-01), Sianesi et al.
patent: 3706773 (1972-12-01), Anello et al.
patent: 3896167 (1975-07-01), Sianesi et al.
patent: 4003941 (1977-01-01), Crawford et al.

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