Aqueous lubricant composition

Details Aqueous lubricant composition Aqueous lubricant composition

1987-10-29

1989-05-09

Dixon, Jr., William R.

Compositions

Electrolytes for electrical devices

252 52A, 252 515A, C10M17302

Patent

active

048287350

ABSTRACT:
An aqueous lubricant composition contains a first polyether component represented by the general formula I given below, a second polyether component expressed by the general formula II given below and a polyamide component represented by the general formula III. This composition exhibiting a highly advantageous viscosity behavior over a wide range of temperatures has a high resistivity against shearing stress and a superior storage stability, and is thus very suitable for use as a hydraulic fluid, metal drawing fluid, cutting fluid, press oil and the like even in the form of a high water base fluid having a water content over 80% by the components are weight: ##STR1## in which R.sup.1 represents a hydrocarbon group having 5-26 carbon atoms, R.sup.2 is a residue of a polyhydric alcohol, a polyhydric phenol or a polyamine each having 2-26 carbon atoms, R.sup.3 denotes a hydrocarbon group having obtained when a mono- or polycarboxylic acid having 8 to 54 carbon atoms is reacted with an alkanolamine or an alkylalkanolamine to form the formula III compound R.sup.4 represents hydrogen atom, a hydrocarbon group having 1-26 carbon atoms or a group expressed by (C.sub.s H.sub.2S O).sub.h H, Y stands for an oxygen or nitrogen atom, p and q represent an integer of 3 or 4, r and s denote an integer of 2 or 3, g and h represent each an integer from 1 to 20 and t is an integer from 1 to 5, wherein a.gtoreq.0, b.gtoreq.2, c.gtoreq.0, d>0, e.gtoreq.0 and f>0.

REFERENCES:
patent: 2825693 (1958-03-01), Beaubien
patent: 3000826 (1961-09-01), Gililland
patent: 3310489 (1967-03-01), Davis
patent: 3346501 (1967-10-01), Boehmer
patent: 3676344 (1972-07-01), Kuceski
patent: 3992312 (1976-11-01), Genjida et al.
patent: 4107061 (1978-08-01), Steinwold et al.
patent: 4374741 (1983-02-01), Rieder

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