Ester based metal working lubricants

Details Ester based metal working lubricants Ester based metal working lubricants

1977-07-12

1979-12-11

Metz, Andrew

Compositions

Electrolytes for electrical devices

72 42, 252 495, 252 56S, C10M 110

Patent

active

041782607

ABSTRACT:
The invention relates to lubricants for use in metal shaping operations, especially hot and cold rolling of steel and aluminium, and casting of aluminium. Preferred lubricants comprise in a mixture (i) a tetraester of pentaerythritol and a C.sub.16 to C.sub.20 aliphatic monocarboxylic acid, (ii) orthophosphoric acid. The lubricants have markedly reduced coefficients of friction; improved roll-wear characteristics and good stability at temperatures of 250+.degree.C. Incorporation of mineral oil and an emulsifier enables the thus modified composition to be used for the preparation of aqueous emulsions or dispersions.

REFERENCES:
patent: 3026262 (1902-03-01), Foster et al.
patent: 3236774 (1966-02-01), Thompson et al.
patent: 3459663 (1969-08-01), Rue
patent: 3496104 (1970-02-01), Shimada et al.
patent: 3526596 (1970-09-01), Kress et al.
patent: 3567636 (1971-03-01), Katzenstein
patent: 3701730 (1972-10-01), Daniels et al.
patent: 3723314 (1973-03-01), Davis
patent: 3860521 (1975-01-01), Aepli et al.

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