REFINING FLUORINATED COMPOUNDS
Patent
·
OSTI ID:4738966
This invention relates to the method of refining a liquid perfluorinated hydrocarbon oil containing fluorocarbons from 12 to 28 carbon atoms per molecule by distilling between 150 deg C and 300 deg C at 10 mm Hg absolute pressure. The perfluorinated oil is washed with a chlorinated lower aliphatic hydrocarbon, which mairtains a separate liquid phase when mixed with the oil. Impurities detrimental to the stability of the oil are extracted by the chlorinated lower aliphatic hydrocarbon. (AEC)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-17-008119
- Assignee:
- U.S. Atomic Energy Commission
- Patent Number(s):
- US 3071628
- OSTI ID:
- 4738966
- Country of Publication:
- United States
- Language:
- English
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