Compositions of 1,1,1,2,2,5,5,5-octafluoro-4-trifluormethypentan

Details Compositions of 1,1,1,2,2,5,5,5-octafluoro-4-trifluormethypentan Compositions of 1,1,1,2,2,5,5,5-octafluoro-4-trifluormethypentan

1990-08-17

1991-12-17

Lieberman, Paul

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

134 12, 134 31, 134 38, 134 39, 134 40, 252153, 252170, 252171, 252172, 252364, 252DIG9, C11D 730, C11D 750, C23G 5028, B08B 300

Patent

active

050732900

ABSTRACT:
Mixtures of the compound 1,1,1,2,2,5,5,5-octafluoro-4-trifluoromethylpentane with alcohols, ethers, esters, ketones, nitrogen-containing organic compounds, and halogenated hydrocarbons are disclosed; as is a process for cleaning a solid surface which comprises treating the surface with said mixtures. Binary mixtures of 1,1,1,2,2,5,5,5-octafluoro-4-trifluoromethylpentane with about 5 to 13 weight percent methanol, with about 2 to 10 weight percent ethanol, with about 3 to 11 weight percent isopropanol, with about 50 to 58 weight percent dichloromethane, and with about 1 to 9 weight percent acetonitrile, are disclosed as azeotrope or azeotrope-like compositions and are particularly suited for use where solvent recovery and reuse is practiced.

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Li Jisen, et al., Shanghai Inst. Org. Chem., Youji Huaxe, vol. 1, pp. 40-42, 24 (1984).

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