Azeotropic solvent composition for cleaning

Details Azeotropic solvent composition for cleaning Azeotropic solvent composition for cleaning

1975-08-19

1977-05-17

Bashore, S. Leon

Cleaning and liquid contact with solids

Processes

Paints, varnishes, lacquers, or enamels, removal

134 1, 252170, 252171, 252364, 252DIG9, B08B 308, B08B 312

Patent

active

040239845

ABSTRACT:
A solvent composition which comprises 1,1,1-trichloroethane and an aliphatic alcohol containing at least two carbon atoms in amounts such that the composition boils in the range from the boiling point of the constant boiling mixture of 1,1,1-trichloroethane and the alcohol up to 10.degree. C above the boiling point. The solvent composition is used to clean printed circuit boards contaminated with soldering flux.

REFERENCES:
patent: 3000978 (1961-09-01), Fredenburg
patent: 3499047 (1970-05-01), Cormany et al.
patent: 3549715 (1970-12-01), Cormany et al.
patent: 3671446 (1972-06-01), Schofield et al.
patent: 3733218 (1973-05-01), Begun
patent: 3767585 (1973-10-01), Sawabe et al.

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