Hydraulic fluids comprising nitrogen-containing boric acid ester

Details Hydraulic fluids comprising nitrogen-containing boric acid ester Hydraulic fluids comprising nitrogen-containing boric acid ester

1979-01-30

1980-05-27

Pitlick, Harris A.

Compositions

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

Organic components

260462R, C10M 348, C10M 326

Patent

active

042049725

ABSTRACT:
Hydraulic fluids the primary properties of which comply with the official specifications and, moreover, which have a good lubricating effect, a high oxidation stability and a high acid stability consist of about 10 to 60% by weight of a nitrogen-containing boric acid ester, about 5 to 30% by weight of an alkyl-polyethylene glycol tert. butyl ether and about 35 to 75% by weight of a glycol monoalkyl ether. The nitrogen-containing boric acid ester is a reaction product of an alkoxylated monoalkyl amine, orthoboric acid and optionally a glycol.

REFERENCES:
patent: 3729497 (1973-04-01), Sawyer et al.
patent: 3972822 (1976-08-01), Sato et al.
patent: 4088590 (1978-05-01), Knoblauch et al.

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