Water base hydraulic fluid

Details Water base hydraulic fluid Water base hydraulic fluid

1984-11-16

1985-09-24

Lieberman, Paul

Compositions

Heat-exchange, low-freezing or pour point, or high boiling...

Organic components

252 493, 252 76, 252 77, 252 785, 252 79, 252356, 252357, 252546, C09K 300, C10M 304, C10M 318, C10M 326

Patent

active

045431990

ABSTRACT:
A water base hydraulic fluid is disclosed. The fluid comprises 40 wt % of an amphoteric surfactant of the formula: ##STR1## wherein R is a mixture C.sub.12 alkyl groups and 10 wt % polypropylene glycol in water.
The diluted hydraulic fluid is noted for its good wear characteristics, anticorrosiveness and non foaming nature.

REFERENCES:
patent: 4107096 (1978-08-01), McEntire et al.
patent: 4209414 (1980-06-01), Holgado et al.
patent: 4391722 (1983-07-01), Schwartz et al.
patent: 4409001 (1983-10-01), Sung et al.
patent: 4438045 (1984-03-01), Nieh et al.
patent: 4470918 (1984-09-01), Mosier

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