Azeotrope-like compositions of 1,1,1,2,2,3,3,-heptafluoropentane

Details Azeotrope-like compositions of 1,1,1,2,2,3,3,-heptafluoropentane Azeotrope-like compositions of 1,1,1,2,2,3,3,-heptafluoropentane

1993-08-17

1994-10-04

Skaling, Linda

Compositions

Water-softening or purifying or scale-inhibiting agents

134 12, 134 31, 134 40, 134 42, 252153, 252170, 252364, 252DIG9, B08B 300, C11D 730, C11D 750, C23G 5028

Patent

active

053523750

ABSTRACT:
Stable azeotrope-like compositions of 1,1,1,2,2,3,3-heptafluoropentane, C.sub.1 -C.sub.3 alkanol and optionally nitromethane have been discovered which are useful 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: 5219488 (1993-06-01), Basu et al.
patent: 5219489 (1993-06-01), Swan et al.
patent: 5275669 (1994-01-01), Van Der Puy et al.
Giacometti et al, Canadian Journal of Chemistry vol. 36 pp. 1493-1500 (1958).

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