Compositions – Electrolytes for electrical devices
Patent
1980-04-24
1982-01-26
Albrecht, Dennis L.
Compositions
Electrolytes for electrical devices
252 493, 252 495, 252 73, 252 74, 252 75, 252 76, 252 52A, 252389R, 252390, 252391, 568624, C09K 300, C10M 304, C10M 306, C10M 316
Patent
active
043127681
ABSTRACT:
Water-based hydraulic fluids and metalworking lubricants are disclosed which are thickened with a polyether polyol having a molecular weight of about 1000 to about 75,000 modified with an alpha-olefin epoxide having about 12 to about 18 carbon atoms. Unexpectedly, synergistic thickening results from a combination of said polyether polyol with the components of a water-based hydraulic fluid or metalworking lubricant. The particularly effective components of the hydraulic fluid or metalworking lubricant are the phosphate ester and water-soluble amine corrosion inhibitor components. The hydraulic fluid and metalworking fluids of the invention also contain 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, a sulfurized molybdenum or antimony compound and a metal deactivator as well as other adjuvants conventional in this art.
REFERENCES:
patent: 3249538 (1966-05-01), Freier
patent: 3748276 (1973-07-01), Schmolka
patent: 3933658 (1976-01-01), Beiswanger et al.
patent: 3970569 (1976-07-01), Sturwold et al.
patent: 4138346 (1979-02-01), Nassry et al.
patent: 4151099 (1979-04-01), Nassry et al.
Compton John W.
Davis Pauls
Maxwell Jerrold F.
Nassry Assadullah
Panek Edward J.
Albrecht Dennis L.
BASF Wyandotte Corporation
Pierce Andrew E.
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