Azeotrope-like compositions of 1,1,1,3,3,5,5,5-octafluoropentane

Details Azeotrope-like compositions of 1,1,1,3,3,5,5,5-octafluoropentane Azeotrope-like compositions of 1,1,1,3,3,5,5,5-octafluoropentane

1993-03-15

1994-02-22

Skaling, Linda

Compositions

Water-softening or purifying or scale-inhibiting agents

134 12, 134 31, 134 38, 134 40, 134 42, 252153, 252162, 252364, 252DIG9, 8142, C11D 730, C11D 750, C23G 5028

Patent

active

052884228

ABSTRACT:
Azeotrope-like compositions comprising 1,1,1,3,3,5,5,5-octafluoropentane, chlorinated ethylene and optionally nitromethane have been discovered which are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards and dry cleaning.

REFERENCES:
patent: 3927129 (1975-12-01), Haszeldine et al.
patent: 5171902 (1992-12-01), Krespan et al.
patent: 5196137 (1993-03-01), Merchant
F. A. Bloshcitsa et al., "Reaction of Hydroxy- and Carbonyl Compounds with Sulfur Tetrafluoride, XIV. Reaction of Aliphatic Oxocarboxylic Acids with SF.sub.4 ", Zh. Org. Khim. vol. wl, No. 7, pp. 1414-1420 (1985).

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