Improvements in the preparation of concentrates for high water b

Details Improvements in the preparation of concentrates for high water b Improvements in the preparation of concentrates for high water b

1983-08-24

1985-07-02

Kittle, John E.

Compositions

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

Organic components

252 325, 252 327R, 252 333, 252 493, 252 495, 252 77, 252 785, C10M 148, C10M 342, C10M 524, C10M 106

Patent

active

045266972

ABSTRACT:
A high water based hydraulic fluid having about 95% water and a concentrate comprising a zincdihydrocarbyldithiophosphate, the reaction product of an alkanolamine, preferably triethanolamine, and a phosphate ester acid of the general formula: ##STR1## where R.sup.4 is hydrocarbyl, R.sup.5 is alkyl, each n is independently 1 or 2 and x is between 1 and 20, and optionally a polyalkylene glycol of molecular weight between 1000 and 100000.
A method of preparing a concentrate is also disclosed.

REFERENCES:
patent: 1992689 (1935-02-01), Cox
patent: 3222284 (1965-12-01), Cook
patent: 3532632 (1970-10-01), Sugarman et al.
patent: 4010105 (1977-03-01), Holgado
patent: 4118329 (1978-10-01), Hotten
patent: 4136041 (1979-01-01), Lenack
patent: 4151099 (1979-04-01), Nassry et al.
patent: 4257902 (1981-03-01), Singer
patent: 4428860 (1984-01-01), Panek et al.

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