Cleaning and liquid contact with solids – Processes – Oils – grease – tar – or wax removal – by dissolving
Patent
1987-03-16
1988-09-13
Lieberman, Paul
Cleaning and liquid contact with solids
Processes
Oils, grease, tar, or wax removal, by dissolving
252162, 252171, 252DIG9, B08B 308, C11D 730, C11D 750
Patent
active
047707143
ABSTRACT:
Solvent mixtures of 2,2,2,-trifluoroethanol and halogenated hydrocarbons containing 1 to 3 carbon atoms or polyfluorinated aromatic hydrocarbons in a weight ratio of from 1:90 to 99:1, and optional additive alcohols and/or stabilizers, and uses of such mixtures in cleaning processes, vapor degreasing, removal of adsorbed water from the surfaces of solid objects, and as working fluids for a Rankine process or heat pump.
REFERENCES:
patent: 3509061 (1970-04-01), Zisman
patent: 3722211 (1973-03-01), Conner
patent: 3753345 (1973-08-01), Cassidy
patent: 3957672 (1976-05-01), Zisman
patent: 4465610 (1984-08-01), Enjo
patent: 4530776 (1985-06-01), Hisamoto
Buchwald Hans
Raschkowski Boreslaus
Singer Dieter
Kali-Chemie Aktiengesellschaft
Lieberman Paul
Markowski Kathleen
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