Water-based hydraulic fluid and metalworking lubricant

Details Water-based hydraulic fluid and metalworking lubricant Water-based hydraulic fluid and metalworking lubricant

1977-01-03

1979-04-24

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

72 42, 252 495, 252 56R, 252 56S, 252 76, 252389A, C10M 148, C10M 342, C10M 524, C10M 746

Patent

active

041510992

ABSTRACT:
The present invention relates to the use, as a hydraulic fluid or metalworking lubricant, of compositions having water as a base and yet possessing superior lubricating and wear preventing characteristics. The fluids of the invention comprise (1) a water-soluble polyoxyethylated ester of an aliphatic acid and a monohydric or polyhydric aliphatic alcohol, either one or both said acid and said alcohol being polyoxyethylated (2) a sulfurized molybdenum or antimony compound or alternatively mixtures of (1) and (2) with (3) a phosphate ester. The compositions can be thickened, if desired, using for instance polyglycol, polyacrylic and polyvinyl alcohol type thickeners. The use of corrosion inhibitors, metal deactivators and other adjuvants conventional in this art is also contemplated.

REFERENCES:
patent: 3222284 (1965-12-01), Cook
patent: 3249538 (1966-05-01), Freier
patent: 3400140 (1968-09-01), Rowan et al.
patent: 3492232 (1970-01-01), Rosenberg
patent: 3723578 (1973-03-01), Eiseman et al.
patent: 3840463 (1974-10-01), Froeschmann et al.
patent: 3933658 (1976-01-01), Beiswanger et al.
patent: 3945930 (1976-03-01), Sugiyama et al.
patent: 3953344 (1976-04-01), Narushima

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