Water-based hydraulic fluids comprising poly-oxazines or poly-ox

Details Water-based hydraulic fluids comprising poly-oxazines or poly-ox Water-based hydraulic fluids comprising poly-oxazines or poly-ox

1983-05-02

1987-10-27

Kittle, John E.

Compositions

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

Organic components

252 327E, 252 493, 252 515R, 252 77, 252 73, C10M10500, C10M10508, C10M10570

Patent

active

047028548

ABSTRACT:
Substantially oil-free aqueous industrial fluids possess superior lubricating and wear preventing characteristics and are useful as hydraulic fluids and metalworking compositions. Fluids of the invention comprise (1) an aqueous liquid and (2) a water-soluble synthetic addition copolymer of a poly-2-oxazoline or a poly-2-oxazine.
The industrial fluids exhibit good Newtonian behavior and mechanical stability at high shear.

REFERENCES:
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patent: 3483141 (1969-12-01), Litt et al.
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patent: 4253982 (1981-03-01), Bridger et al.
patent: 4277353 (1981-07-01), Deen et al.
patent: 4375417 (1983-03-01), Zoleski et al.
patent: 4386001 (1983-05-01), Zoleski et al.
patent: 4469611 (1984-09-01), Snyder, Jr. et al.
patent: 4474928 (1984-10-01), Hoenig et al.

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