Metalworking with a lubricant composition comprising mineral oil

Compositions – Electrolytes for electrical devices

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252 56R, 72 42, C10M17300, C10M12970

Patent

active

046184414

ABSTRACT:
A metalworking method that includes a step of applying to a metal object a lubricant composition comprising a major proportion of mineral oil and a minor proportion of an alkoxyalkyl ester having the general formula R.sub.2 COO(CH.sub.2 CH.sub.2 O).sub.n R.sub.1 wherein n=1 or 2, R.sub.1 is a C.sub.1 to C.sub.8 alkyl group and R.sub.2 is a C.sub.7 to C.sub.19 alkyl or alkenyl group. A particularly preferred composition comprises about 30 wt % butoxyethyl stearate dissolved in about 70 wt % mineral oil.
A metalworking lubricant emulsion is formed by emulsifying about 2-10 wt % of the composition in about 90-98 wt % water. A particularly preferred emulsion comprises about 5 wt % of the composition emulsified in about 95 wt % water. The method is particularly suitable for hot rolling and cold rolling aluminum and aluminum alloys.

REFERENCES:
patent: 2866758 (1958-12-01), Newman et al.
patent: 3024198 (1962-03-01), Harrington et al.
patent: 3364143 (1968-01-01), Johnson
patent: 3773668 (1973-11-01), Denis et al.
patent: 3945930 (1976-03-01), Sugiyama et al.
patent: 4303738 (1981-12-01), Gini et al.
patent: 4524007 (1985-06-01), Chibnik

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