Water-based hydraulic fluids

Details Water-based hydraulic fluids Water-based hydraulic fluids

1982-12-20

1985-01-15

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 495, 252 73, 252 79, 72 42, C10M 304, C10M 312

Patent

active

044937776

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) an ethylenically unsaturated crosslinking monomer, (b) an ethylenically unsaturated water-soluble monomer, and (c) an ethylenically unsaturated water-insoluble monomer.
The industrial fluids exhibit good Newtonian behavior and mechanical stability at high shear.

REFERENCES:
patent: 3833502 (1974-09-01), Leary et al.
patent: 4248685 (1981-02-01), Beede et al.
patent: 4257902 (1981-03-01), Singer

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