Lubricating oil for use under radioactive or energy irradiation

Details Lubricating oil for use under radioactive or energy irradiation Lubricating oil for use under radioactive or energy irradiation

1992-03-09

1993-03-09

Howard, Jacqueline

Compositions

Electrolytes for electrical devices

252 54, C10M16904, C10M12510

Patent

active

051924579

ABSTRACT:
A finely pulverized alkaline earth metal oxide or an alkali metal oxide is added to perfluoropolyether oil represented by the general formula Rf[CF(CF.sub.3)CF.sub.2 O].sub.5.about.60 Rf, to absorb HF generated by decomposition of the perfluoropolyether at radioactive or energy irradiation of the perfluoropolyether oil, thereby effectively suppressing diffusion of HF into the oil or the gas phase.

REFERENCES:
patent: 3250808 (1966-05-01), Moore, Jr. et al.
patent: 3432432 (1969-03-01), Dreder
patent: 3788987 (1974-01-01), Bartlett
patent: 5032302 (1991-07-01), Jahlke et al.

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