Azeotrope-like compositions of trichlorotrifluoroethane, nitrome

Compositions – Water-softening or purifying or scale-inhibiting agents

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252 67, 252 781, 252364, 252DIG9, 134 38, 134 40, C11D 750, C11D 732, C11D 730

Patent

active

040453669

ABSTRACT:
Azeotrope-like compositions consisting essentially of 1,1,2-trichloro-1,2,2-trifluoroethane, nitromethane and acetone have utility as degreasing agents and as solvents to remove rosin fluxes from printed circuit boards.

REFERENCES:
patent: 2999815 (1961-09-01), Eiseman
patent: 3573213 (1971-03-01), Burt
patent: 3728268 (1973-04-01), Burt
patent: 3789006 (1974-01-01), McMillan et al.
patent: 3903009 (1975-09-01), Bauer et al.
patent: 3960746 (1976-06-01), Gorski

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