1,1,2,2,3,3-hexafluorocyclopentane and use thereof in compositions and processes for cleaning
AssigneeE. I. Du Pont de Nemours and Company
InventorDouglas R. Anton
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Abstract
The compound 1,1,2,2,3,3-hexafluorocyclopentane and mixtures thereof with alcohols, ethers, esters, ketones, nitromethane, and halogenated hydrocarbons are disclosed; as is a process for cleaning a solid surface which comprises treating the surface with said compound or said mixtures. Binary mixtures of 1,1,2,2,3,3-hexafluorocyclopentane either with about 27 to 35 weight percent methanol, or with about 21 to 29 weight percent ethanol are disclosed as azeotrope or azeotrope-like compositions and are particularly suited for use where solvent recovery and reuse is practiced.
Claims20
A process for cleaning a solid surface which comprises treating said surface with a composition comprising an admixture of effective amounts of 1,1,2,2,3,3-hexafluorocyclopentane and one or more solvents selected from the group consisting of alcohols containing from 1 to 4 carbon atoms to form an azeotrope or azeotrope-like mixture.
Dependencies are inferred from the claim text.